v2.25.0

- **File formats:**
   - (Add) Allow to partial open the files for read and/or change properties, the layer images won't be read nor cached (Fast)
   - (Add) More abstraction on partial save
- **Scripting:**
   - (Add) ScriptOpenFolderDialogInput - Selects a folder path
   - (Add) ScriptOpenFileDialogInput - Selectes a file to open
   - (Add) ScriptSaveFileDialogInput - Selects a file to save
- (Add) [UNSAVED] tag to the title bar when there are unsaved changes on the current session
- (Improvement) Better handling of empty images on the UI

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## 18/11/2021 - v2.25.0
+
+- **File formats:**
+   - (Add) Allow to partial open the files for read and/or change properties, the layer images won't be read nor cached (Fast)
+   - (Add) More abstraction on partial save
+- **Scripting:**
+   - (Add) ScriptOpenFolderDialogInput - Selects a folder path
+   - (Add) ScriptOpenFileDialogInput - Selectes a file to open
+   - (Add) ScriptSaveFileDialogInput - Selects a file to save
+- (Add) [UNSAVED] tag to the title bar when there are unsaved changes on the current session
+- (Improvement) Better handling of empty images on the UI
+
 ## 14/11/2021 - v2.24.4
 
 - **File - Send to - Device**

UVtools.AvaloniaControls/AdvancedImageBox.axaml.cs

@@ -2117,7 +2117,7 @@ namespace UVtools.AvaloniaControls
         /// <returns></returns>
         public Rect GetImageViewPort()
         {
-            if (ViewPortSize.Width == 0 && ViewPortSize.Height == 0) return Rect.Empty;
+            if (!IsImageLoaded || (ViewPortSize.Width == 0 && ViewPortSize.Height == 0)) return Rect.Empty;
 
             double xOffset = 0;
             double yOffset = 0;

UVtools.AvaloniaControls/UVtools.AvaloniaControls.csproj

@@ -13,7 +13,7 @@
     <PackageTags>Advanced image box</PackageTags>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <Description>AvaloniaUI Controls</Description>
-    <Version>1.0.0</Version>
+    <Version>1.0.1</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">

UVtools.Core/FileFormats/CTBEncryptedFile.cs

@@ -1097,15 +1097,15 @@ namespace UVtools.Core.FileFormats
         }
 
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             Header = Helpers.Deserialize<FileHeader>(inputFile);
             Debug.WriteLine($"Header: {Header}");
 
             if (Header.Magic is not MAGIC_CBT_ENCRYPTED)
             {
-                throw new FileLoadException($"Not a valid CTB encrypted file! Magic Value: {Header.Magic}", fileFullPath);
+                throw new FileLoadException($"Not a valid CTB encrypted file! Magic Value: {Header.Magic}", FileFullPath);
             }
 
             inputFile.Seek(Header.SettingsOffset, SeekOrigin.Begin);
@@ -1127,7 +1127,7 @@ namespace UVtools.Core.FileFormats
             var hash = inputFile.ReadBytes(HASH_LENGTH);
             if (!hash.SequenceEqual(encryptedHash))
             {
-                throw new FileLoadException("The file checksum does not match, malformed file.", fileFullPath);
+                throw new FileLoadException("The file checksum does not match, malformed file.", FileFullPath);
             }
 
             progress.Reset(OperationProgress.StatusDecodePreviews, ThumbnailsCount);
@@ -1174,7 +1174,7 @@ namespace UVtools.Core.FileFormats
             }
 
             progress.Reset(OperationProgress.StatusDecodeLayers, Settings.LayerCount);
-            LayerManager.Init(Settings.LayerCount);
+            LayerManager.Init(Settings.LayerCount, DecodeType == FileDecodeType.Partial);
             LayersDefinition = new LayerDef[LayerCount];
             var buggyLayers = new ConcurrentBag<uint>();
 
@@ -1187,43 +1187,48 @@ namespace UVtools.Core.FileFormats
                     inputFile.Seek(LayersPointer[layerIndex].LayerOffset, SeekOrigin.Begin);
                     LayersDefinition[layerIndex] = Helpers.Deserialize<LayerDef>(inputFile);
                     LayersDefinition[layerIndex].Parent = this;
-                    LayersDefinition[layerIndex].RLEData = inputFile.ReadBytes(LayersDefinition[layerIndex].DataLength);
+                    if (DecodeType == FileDecodeType.Full) LayersDefinition[layerIndex].RLEData = inputFile.ReadBytes(LayersDefinition[layerIndex].DataLength);
                     Debug.WriteLine($"layer[{layerIndex}]: {LayersDefinition[layerIndex]}");
                 }
 
-
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (progress.Token.IsCancellationRequested) return;
-
-                    var layerDef = LayersDefinition[layerIndex];
-
-                    if (layerDef.EncryptedDataLength > 0)
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
                     {
-                        /* Decrypt RLE data here */
+                        if (progress.Token.IsCancellationRequested) return;
 
-                        var byteBuffer = new byte[layerDef.EncryptedDataLength];
-                        Array.Copy(layerDef.RLEData, (int)layerDef.EncryptedDataOffset, byteBuffer, 0, (int)layerDef.EncryptedDataLength);
+                        var layerDef = LayersDefinition[layerIndex];
 
-                        byteBuffer = CryptExtensions.AesCryptBytes(byteBuffer, Bigfoot, CipherMode.CBC, PaddingMode.None, false, CookieMonster);
-                        Array.Copy(byteBuffer, 0, layerDef.RLEData, layerDef.EncryptedDataOffset, layerDef.EncryptedDataLength);
-                    }
 
-                    bool isBugged = false;
-                    /* bug fix for Chitubox when a small layer RLE data is encrypted */
-                    if (layerDef.EncryptedDataLength > 0 && layerDef.RLEData.Length < RLEEncryptedMinimumLength && layerDef.RLEData.Length % 16 != 0)
-                    {
-                        buggyLayers.Add((uint)layerIndex);
-                        isBugged = true;
-                        layerDef.RLEData = null; /* clean up RLE data */
-                    }
+                        if (layerDef.EncryptedDataLength > 0)
+                        {
+                            /* Decrypt RLE data here */
 
-                    var layer = new Layer((uint)layerIndex, isBugged ? null : layerDef.DecodeImage((uint)layerIndex), this);
-                    layerDef.CopyTo(layer);
-                    this[layerIndex] = layer;
-                    
-                    progress.LockAndIncrement();
-                });
+                            var byteBuffer = new byte[layerDef.EncryptedDataLength];
+                            Array.Copy(layerDef.RLEData, (int)layerDef.EncryptedDataOffset, byteBuffer, 0,
+                                (int)layerDef.EncryptedDataLength);
+
+                            byteBuffer = CryptExtensions.AesCryptBytes(byteBuffer, Bigfoot, CipherMode.CBC,
+                                PaddingMode.None, false, CookieMonster);
+                            Array.Copy(byteBuffer, 0, layerDef.RLEData, layerDef.EncryptedDataOffset,
+                                layerDef.EncryptedDataLength);
+                        }
+
+                        bool isBugged = false;
+                        /* bug fix for Chitubox when a small layer RLE data is encrypted */
+                        if (layerDef.EncryptedDataLength > 0 && layerDef.RLEData.Length < RLEEncryptedMinimumLength &&
+                            layerDef.RLEData.Length % 16 != 0)
+                        {
+                            buggyLayers.Add((uint)layerIndex);
+                            isBugged = true;
+                            layerDef.RLEData = null; /* clean up RLE data */
+                        }
+
+                        this[layerIndex] = new Layer((uint)layerIndex, isBugged ? null : layerDef.DecodeImage((uint)layerIndex), this);
+
+                        progress.LockAndIncrement();
+                    });
+                }
             }
 
             if (buggyLayers.Count == LayerCount)
@@ -1231,7 +1236,12 @@ namespace UVtools.Core.FileFormats
                 throw new FileLoadException("Unable to load this file due to Chitubox bug affecting every layer." +
                                             "Please increase the portion of the plate in use and reslice the file.");
             }
-            
+
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                LayersDefinition[layerIndex].CopyTo(this[layerIndex]);
+            }
+
             if (!buggyLayers.IsEmpty)
             {
                 var sortedLayerIndexes = buggyLayers.ToArray();
@@ -1267,13 +1277,13 @@ namespace UVtools.Core.FileFormats
             //inputFile.ReadBytes(HashLength);
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
 #if !DEBUG
             throw new NotSupportedException(Preamble);
 #endif
 
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             //uint currentOffset = 0;
 
             /* Create the file header and fill out what we can. SignatureOffset will have to be populated later
@@ -1401,25 +1411,8 @@ namespace UVtools.Core.FileFormats
             Helpers.SerializeWriteFileStream(outputFile, Header);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             SanitizeProperties();
 
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);

UVtools.Core/FileFormats/CWSFile.cs

@@ -575,7 +575,7 @@ namespace UVtools.Core.FileFormats
 
         #region Methods
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             //var filename = fileFullPath.EndsWith(TemporaryFileAppend) ? Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(fileFullPath)) : Path.GetFileNameWithoutExtension(fileFullPath);
 
@@ -610,7 +610,7 @@ namespace UVtools.Core.FileFormats
                 throw new InvalidOperationException($"Filename for this format should not end with a digit: {filename}");
             }
 
-            using ZipArchive outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create);
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
             if (Printer == PrinterType.Wanhao)
             {
                 var manifest = new CWSManifest
@@ -703,9 +703,9 @@ namespace UVtools.Core.FileFormats
             outputFile.PutFileContent($"{filename}.gcode", GCodeStr, ZipArchiveMode.Create);
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Read);
+            using var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read);
             var entry = inputFile.GetEntry("manifest.xml");
             if (entry is not null) // Wanhao
             {
@@ -722,7 +722,7 @@ namespace UVtools.Core.FileFormats
                 catch (Exception e)
                 {
                     Clear();
-                    throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", fileFullPath);
+                    throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", FileFullPath);
                 }
                     
 
@@ -741,7 +741,7 @@ namespace UVtools.Core.FileFormats
                     catch (Exception e)
                     {
                         Clear();
-                        throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", fileFullPath);
+                        throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", FileFullPath);
                     }
                 }
             }
@@ -751,7 +751,7 @@ namespace UVtools.Core.FileFormats
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException("slice.conf not found", fileFullPath);
+                    throw new FileLoadException("slice.conf not found", FileFullPath);
                 }
 
                 using TextReader tr = new StreamReader(entry.Open());
@@ -780,8 +780,7 @@ namespace UVtools.Core.FileFormats
             if (entry is null)
             {
                 Clear();
-                throw new FileLoadException("Unable to find .gcode file",
-                    fileFullPath);
+                throw new FileLoadException("Unable to find .gcode file", FileFullPath);
             }
 
             using (TextReader tr = new StreamReader(entry.Open()))
@@ -821,32 +820,36 @@ namespace UVtools.Core.FileFormats
                 tr.Close();
             }
 
-            LayerManager.Init(OutputSettings.LayersNum);
+            LayerManager.Init(OutputSettings.LayersNum, DecodeType == FileDecodeType.Partial);
 
             progress.ItemCount = OutputSettings.LayersNum;
 
             if(LayerCount > 0)
             {
-                var inputFilename = Path.GetFileNameWithoutExtension(fileFullPath);
-                foreach (var pngEntry in inputFile.Entries)
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (!pngEntry.Name.EndsWith(".png")) continue;
-                    var filename = Path.GetFileNameWithoutExtension(pngEntry.Name).Replace(inputFilename, string.Empty, StringComparison.Ordinal);
-                    
-                    var layerIndexStr = string.Empty;
-                    var layerStr = filename;
-                    for (int i = layerStr.Length - 1; i >= 0; i--)
+                    var inputFilename = Path.GetFileNameWithoutExtension(FileFullPath);
+                    foreach (var pngEntry in inputFile.Entries)
                     {
-                        if (layerStr[i] < '0' || layerStr[i] > '9') break;
-                        layerIndexStr = $"{layerStr[i]}{layerIndexStr}";
+                        if (!pngEntry.Name.EndsWith(".png")) continue;
+                        var filename = Path.GetFileNameWithoutExtension(pngEntry.Name)
+                            .Replace(inputFilename, string.Empty, StringComparison.Ordinal);
+
+                        var layerIndexStr = string.Empty;
+                        var layerStr = filename;
+                        for (int i = layerStr.Length - 1; i >= 0; i--)
+                        {
+                            if (layerStr[i] < '0' || layerStr[i] > '9') break;
+                            layerIndexStr = $"{layerStr[i]}{layerIndexStr}";
+                        }
+
+                        if (string.IsNullOrEmpty(layerIndexStr)) continue;
+                        if (!uint.TryParse(layerIndexStr, out var layerIndex)) continue;
+                        using var stream = pngEntry.Open();
+                        this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
                     }
-
-                    if (string.IsNullOrEmpty(layerIndexStr)) continue;
-                    if (!uint.TryParse(layerIndexStr, out var layerIndex)) continue;
-                    using var stream = pngEntry.Open();
-                    this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
                 }
-
+                
                 GCode.ParseLayersFromGCode(this);
 
                 var firstLayer = FirstLayer;
@@ -993,61 +996,43 @@ namespace UVtools.Core.FileFormats
             RaisePropertyChanged(nameof(GCodeStr));
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
+            var arch = Environment.Is64BitOperatingSystem ? "64-bits" : "32-bits";
+            var entry = outputFile.GetPutFile("slice.conf");
+            var stream = entry.Open();
+            stream.SetLength(0);
+
+            using (TextWriter tw = new StreamWriter(stream))
             {
-                if (!string.IsNullOrEmpty(filePath))
+
+                tw.WriteLine($"# {About.Website} {About.Software} {Assembly.GetExecutingAssembly().GetName().Version} {arch} {DateTime.UtcNow}");
+                tw.WriteLine("# conf version 1.0");
+                tw.WriteLine("");
+
+                foreach (var propertyInfo in SliceSettings.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance))
                 {
-                    FileFullPath = filePath;
+                    var displayNameAttribute = propertyInfo.GetCustomAttributes(false).OfType<DisplayNameAttribute>().FirstOrDefault();
+                    if (displayNameAttribute is null) continue;
+                    tw.WriteLine($"{displayNameAttribute.DisplayName.PadRight(24)}= {propertyInfo.GetValue(SliceSettings)}");
                 }
-                Encode(FileFullPath, progress);
-                return;
             }
 
-            if (!string.IsNullOrEmpty(filePath))
+            var entriesToRemove = outputFile.Entries.Where(zipEntry => zipEntry.Name.EndsWith(".gcode")).ToArray();
+            foreach (var zipEntry in entriesToRemove)
             {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
+                zipEntry.Delete();
             }
 
-            using (var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update))
-            {
-                string arch = Environment.Is64BitOperatingSystem ? "64-bits" : "32-bits";
-                var entry = outputFile.GetPutFile("slice.conf");
-                var stream = entry.Open();
-                stream.SetLength(0);
+            outputFile.PutFileContent($"{About.Software}.gcode", GCodeStr, ZipArchiveMode.Update);
 
-                using (TextWriter tw = new StreamWriter(stream))
-                {
-
-                    tw.WriteLine($"# {About.Website} {About.Software} {Assembly.GetExecutingAssembly().GetName().Version} {arch} {DateTime.UtcNow}");
-                    tw.WriteLine("# conf version 1.0");
-                    tw.WriteLine("");
-
-                    foreach (var propertyInfo in SliceSettings.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance))
-                    {
-                        var displayNameAttribute = propertyInfo.GetCustomAttributes(false).OfType<DisplayNameAttribute>().FirstOrDefault();
-                        if (displayNameAttribute is null) continue;
-                        tw.WriteLine($"{displayNameAttribute.DisplayName.PadRight(24)}= {propertyInfo.GetValue(SliceSettings)}");
-                    }
-                }
-
-                var entriesToRemove = outputFile.Entries.Where(zipEntry => zipEntry.Name.EndsWith(".gcode")).ToArray();
-                foreach (var zipEntry in entriesToRemove)
-                {
-                    zipEntry.Delete();
-                }
-
-                outputFile.PutFileContent($"{About.Software}.gcode", GCodeStr, ZipArchiveMode.Update);
-
-                /*foreach (var layer in this)
+            /*foreach (var layer in this)
                 {
                     if (!layer.IsModified) continue;
                     outputFile.PutFileContent(layer.Filename, layer.CompressedBytes, ZipArchiveMode.Update);
                     layer.IsModified = false;
                 }*/
-            }
 
             //Decode(FileFullPath, progress);
         }

UVtools.Core/FileFormats/CXDLPFile.cs

@@ -17,7 +17,6 @@ using System.Text;
 using System.Threading.Tasks;
 using BinarySerialization;
 using Emgu.CV;
-using Emgu.CV.CvEnum;
 using Emgu.CV.Structure;
 using MoreLinq;
 using UVtools.Core.Extensions;
@@ -571,9 +570,9 @@ namespace UVtools.Core.FileFormats
             SlicerInfoSettings.WaitTimeBeforeCure = (ushort)Math.Max(1, WaitTimeBeforeCure);
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.ReadWrite);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.ReadWrite);
 
             if (ResolutionX == 1620 && ResolutionY == 2560)
             {
@@ -790,9 +789,9 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
 
             inputFile.Seek(0, SeekOrigin.Begin);
 
@@ -812,10 +811,10 @@ namespace UVtools.Core.FileFormats
             if (expectedCheckSum != checkSum)
             {
                 throw new FileLoadException($"Checksum fails, expecting: {expectedCheckSum} but got: {checkSum}.\n" +
-                                            $"Try to reslice the file.", fileFullPath);
+                                            $"Try to reslice the file.", FileFullPath);
             }
             
-            byte[][] previews = new byte[ThumbnailsOriginalSize.Length][];
+            var previews = new byte[ThumbnailsOriginalSize.Length][];
             for (int i = 0; i < ThumbnailsOriginalSize.Length; i++)
             {
                 previews[i] = new byte[ThumbnailsOriginalSize[i].Area() * 2];
@@ -833,116 +832,80 @@ namespace UVtools.Core.FileFormats
             SlicerInfoSettings = Helpers.Deserialize<SlicerInfo>(inputFile);
             Debug.WriteLine(SlicerInfoSettings);
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             inputFile.Seek(LayerCount * 4 + 2, SeekOrigin.Current); // Skip pre layers
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-            /*var preLayers = new PreLayer[LayerCount];
-            for (int layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+
+            if (DecodeType == FileDecodeType.Full)
             {
-                progress.Token.ThrowIfCancellationRequested();
-                preLayers[layerIndex] = Helpers.Deserialize<PreLayer>(inputFile);
-                progress++;
-            }*/
+                progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
 
-            //inputFile.Seek(2, SeekOrigin.Current);
-
-            var linesBytes = new byte[LayerCount][];
-            foreach (var batch in BatchLayersIndexes())
-            {
-                progress.Token.ThrowIfCancellationRequested();
-
-                foreach (var layerIndex in batch)
+                var linesBytes = new byte[LayerCount][];
+                foreach (var batch in BatchLayersIndexes())
                 {
-                    inputFile.Seek(4, SeekOrigin.Current);
-                    var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
-
-                    linesBytes[layerIndex] = new byte[lineCount * 6];
-                    inputFile.ReadBytes(linesBytes[layerIndex]);
-                    inputFile.Seek(2, SeekOrigin.Current);
-
                     progress.Token.ThrowIfCancellationRequested();
-                }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = EmguExtensions.InitMat(Resolution))
+                    foreach (var layerIndex in batch)
                     {
+                        inputFile.Seek(4, SeekOrigin.Current);
+                        var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
 
-                        for (int i = 0; i < linesBytes[layerIndex].Length; i++)
-                        {
-                            LayerLine line = new()
-                            {
-                                Coordinates =
-                                {
-                                    [0] = linesBytes[layerIndex][i++],
-                                    [1] = linesBytes[layerIndex][i++],
-                                    [2] = linesBytes[layerIndex][i++],
-                                    [3] = linesBytes[layerIndex][i++],
-                                    [4] = linesBytes[layerIndex][i++]
-                                },
-                                Gray = linesBytes[layerIndex][i]
-                            };
+                        linesBytes[layerIndex] = new byte[lineCount * 6];
+                        inputFile.ReadBytes(linesBytes[layerIndex]);
+                        inputFile.Seek(2, SeekOrigin.Current);
 
-                            CvInvoke.Line(mat, new Point(line.StartX, line.StartY), new Point(line.StartX, line.EndY),
-                                new MCvScalar(line.Gray));
-                        }
-
-                        linesBytes[layerIndex] = null;
-
-                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        progress.Token.ThrowIfCancellationRequested();
                     }
 
-                    progress.LockAndIncrement();
-                });
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using (var mat = EmguExtensions.InitMat(Resolution))
+                        {
+
+                            for (int i = 0; i < linesBytes[layerIndex].Length; i++)
+                            {
+                                LayerLine line = new()
+                                {
+                                    Coordinates =
+                                    {
+                                        [0] = linesBytes[layerIndex][i++],
+                                        [1] = linesBytes[layerIndex][i++],
+                                        [2] = linesBytes[layerIndex][i++],
+                                        [3] = linesBytes[layerIndex][i++],
+                                        [4] = linesBytes[layerIndex][i++]
+                                    },
+                                    Gray = linesBytes[layerIndex][i]
+                                };
+
+                                CvInvoke.Line(mat, new Point(line.StartX, line.StartY),
+                                    new Point(line.StartX, line.EndY),
+                                    new MCvScalar(line.Gray));
+                            }
+
+                            linesBytes[layerIndex] = null;
+
+                            this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        }
+
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+            else // Partial read
+            {
+                inputFile.Seek(-Helpers.Serializer.SizeOf(FooterSettings), SeekOrigin.End);
             }
 
             progress.Token.ThrowIfCancellationRequested();
 
-            /*var layerDefs = new LayerDef[LayerCount];
-            for (int layerIndex = 0; layerIndex < LayerCount; layerIndex++)
-            {
-                progress.Token.ThrowIfCancellationRequested();
-                layerDefs[layerIndex] = Helpers.Deserialize<LayerDef>(inputFile);
-                progress++;
-            }
 
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-            Parallel.For(0, LayerCount,  CoreSettings.ParallelOptions, layerIndex =>
-            {
-                if (progress.Token.IsCancellationRequested) return;
-                using var mat = EmguExtensions.InitMat(Resolution);
-                foreach (var line in layerDefs[layerIndex].Lines)
-                {
-                    CvInvoke.Line(mat, new Point(line.StartX, line.StartY), new Point(line.StartX, line.EndY), new MCvScalar(line.Gray));
-                }
-
-                this[layerIndex] = new Layer((uint)layerIndex, mat, this);
-                progress.LockAndIncrement();
-            });*/
 
             FooterSettings = Helpers.Deserialize<Footer>(inputFile);
             FooterSettings.Validate();
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             var offset = Helpers.Serializer.SizeOf(HeaderSettings);
             foreach (var size in ThumbnailsOriginalSize)
             {

UVtools.Core/FileFormats/CXDLPv1File.cs

@@ -499,9 +499,9 @@ namespace UVtools.Core.FileFormats
 
         #region Methods
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
 
             if (ResolutionX == 2560 && ResolutionY == 1620)
             {
@@ -628,9 +628,9 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             HeaderSettings.Validate();
 
@@ -654,62 +654,67 @@ namespace UVtools.Core.FileFormats
             SlicerInfoSettings = Helpers.Deserialize<SlicerInfo>(inputFile);
             Debug.WriteLine(SlicerInfoSettings);
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             inputFile.Seek(LayerCount * 4 + 2, SeekOrigin.Current); // Skip pre layers
 
 
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-
-            var range = Enumerable.Range(0, (int)LayerCount);
-
-            var linesBytes = new byte[LayerCount][];
-            foreach (var batch in BatchLayersIndexes())
+            if (DecodeType == FileDecodeType.Full)
             {
-                progress.Token.ThrowIfCancellationRequested();
-
-                foreach (var layerIndex in batch)
+                progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
+                var linesBytes = new byte[LayerCount][];
+                foreach (var batch in BatchLayersIndexes())
                 {
-                    inputFile.Seek(4, SeekOrigin.Current);
-                    var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
-
-                    linesBytes[layerIndex] = new byte[lineCount * 6];
-                    inputFile.ReadBytes(linesBytes[layerIndex]);
-                    inputFile.Seek(2, SeekOrigin.Current);
-
                     progress.Token.ThrowIfCancellationRequested();
-                }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = EmguExtensions.InitMat(Resolution))
+                    foreach (var layerIndex in batch)
                     {
-                        for (int i = 0; i < linesBytes[layerIndex].Length; i++)
-                        {
-                            LayerLine line = new()
-                            {
-                                Coordinates =
-                                {
-                                    [0] = linesBytes[layerIndex][i++],
-                                    [1] = linesBytes[layerIndex][i++],
-                                    [2] = linesBytes[layerIndex][i++],
-                                    [3] = linesBytes[layerIndex][i++],
-                                    [4] = linesBytes[layerIndex][i++]
-                                },
-                                Gray = linesBytes[layerIndex][i]
-                            };
+                        inputFile.Seek(4, SeekOrigin.Current);
+                        var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
 
-                            CvInvoke.Line(mat, new Point(line.StartX, line.StartY), new Point(line.StartX, line.EndY),
-                                new MCvScalar(line.Gray));
-                        }
+                        linesBytes[layerIndex] = new byte[lineCount * 6];
+                        inputFile.ReadBytes(linesBytes[layerIndex]);
+                        inputFile.Seek(2, SeekOrigin.Current);
 
-                        linesBytes[layerIndex] = null;
-
-                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        progress.Token.ThrowIfCancellationRequested();
                     }
 
-                    progress.LockAndIncrement();
-                });
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using (var mat = EmguExtensions.InitMat(Resolution))
+                        {
+                            for (int i = 0; i < linesBytes[layerIndex].Length; i++)
+                            {
+                                LayerLine line = new()
+                                {
+                                    Coordinates =
+                                    {
+                                        [0] = linesBytes[layerIndex][i++],
+                                        [1] = linesBytes[layerIndex][i++],
+                                        [2] = linesBytes[layerIndex][i++],
+                                        [3] = linesBytes[layerIndex][i++],
+                                        [4] = linesBytes[layerIndex][i++]
+                                    },
+                                    Gray = linesBytes[layerIndex][i]
+                                };
+
+                                CvInvoke.Line(mat, new Point(line.StartX, line.StartY),
+                                    new Point(line.StartX, line.EndY),
+                                    new MCvScalar(line.Gray));
+                            }
+
+                            linesBytes[layerIndex] = null;
+
+                            this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        }
+
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+            else // Partial read
+            {
+                inputFile.Seek(-Helpers.Serializer.SizeOf(FooterSettings), SeekOrigin.End);
             }
 
             progress.Token.ThrowIfCancellationRequested();
@@ -718,24 +723,8 @@ namespace UVtools.Core.FileFormats
             FooterSettings.Validate();
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             var offset = Helpers.Serializer.SizeOf(HeaderSettings);
             foreach (var size in ThumbnailsOriginalSize)
             {

UVtools.Core/FileFormats/ChituboxFile.cs

@@ -1775,7 +1775,7 @@ namespace UVtools.Core.FileFormats
             return true;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             SanitizeMagicVersion();
             SanitizeProperties();
@@ -1799,7 +1799,7 @@ namespace UVtools.Core.FileFormats
 
             //uint currentOffset = (uint)Helpers.Serializer.SizeOf(HeaderSettings);
             LayerDefinitions = new LayerDef[HeaderSettings.AntiAliasLevel, HeaderSettings.LayerCount];
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             outputFile.Seek(Helpers.Serializer.SizeOf(HeaderSettings), SeekOrigin.Begin);
 
             Mat[] thumbnails = {GetThumbnail(true), GetThumbnail(false)};
@@ -1956,16 +1956,16 @@ namespace UVtools.Core.FileFormats
         }
 
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             //HeaderSettings = Helpers.ByteToType<CbddlpFile.Header>(InputFile);
             //HeaderSettings = Helpers.Serializer.Deserialize<Header>(InputFile.ReadBytes(Helpers.Serializer.SizeOf(typeof(Header))));
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
 
             if (HeaderSettings.Magic is not MAGIC_CBDDLP and not MAGIC_CTB and not MAGIC_CTBv4)
             {
-                throw new FileLoadException($"Not a valid PHOTON nor CBDDLP nor CTB file! Magic Value: {HeaderSettings.Magic}", fileFullPath);
+                throw new FileLoadException($"Not a valid PHOTON nor CBDDLP nor CTB file! Magic Value: {HeaderSettings.Magic}", FileFullPath);
             }
 
             if (HeaderSettings.Version == 1 || HeaderSettings.AntiAliasLevel == 0)
@@ -1973,8 +1973,6 @@ namespace UVtools.Core.FileFormats
                 HeaderSettings.AntiAliasLevel = 1;
             }
 
-            FileFullPath = fileFullPath;
-
             progress.Reset(OperationProgress.StatusDecodePreviews, ThumbnailsCount);
 
             Debug.Write("Header -> ");
@@ -2031,7 +2029,7 @@ namespace UVtools.Core.FileFormats
                 {
                     throw new FileLoadException(
                         $"Malformed file, PrintParametersV4Address is missing",
-                        fileFullPath);
+                        FileFullPath);
                 }
 
                 inputFile.Seek(SlicerInfoSettings.PrintParametersV4Address, SeekOrigin.Begin);
@@ -2044,7 +2042,7 @@ namespace UVtools.Core.FileFormats
                     throw new FileLoadException(
                         $"Malformed file, PrintParametersV4 found invalid validation values, expected (4, 4) " +
                         $"but got ({PrintParametersV4Settings.Four1}, {PrintParametersV4Settings.Four2})",
-                        fileFullPath);
+                        FileFullPath);
                 }
             }
 
@@ -2053,8 +2051,7 @@ namespace UVtools.Core.FileFormats
 
             uint layerOffset = HeaderSettings.LayersDefinitionOffsetAddress;
 
-            progress.Reset(OperationProgress.StatusGatherLayers,
-                HeaderSettings.AntiAliasLevel * HeaderSettings.LayerCount);
+            progress.Reset(OperationProgress.StatusGatherLayers, HeaderSettings.AntiAliasLevel * HeaderSettings.LayerCount);
 
             for (byte aaIndex = 0; aaIndex < HeaderSettings.AntiAliasLevel; aaIndex++)
             {
@@ -2089,65 +2086,52 @@ namespace UVtools.Core.FileFormats
                 }
             }
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
 
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-
-            foreach (var batch in BatchLayersIndexes())
+            if (DecodeType == FileDecodeType.Full)
             {
-                foreach (var layerIndex in batch)
-                {
-                    for (byte aaIndex = 0; aaIndex < HeaderSettings.AntiAliasLevel; aaIndex++)
-                    {
-                        progress.Token.ThrowIfCancellationRequested();
+                progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
 
-                        inputFile.Seek(LayerDefinitions[aaIndex, layerIndex].DataAddress, SeekOrigin.Begin);
-                        LayerDefinitions[aaIndex, layerIndex].EncodedRle = inputFile.ReadBytes(LayerDefinitions[aaIndex, layerIndex].DataSize);
+                foreach (var batch in BatchLayersIndexes())
+                {
+                    foreach (var layerIndex in batch)
+                    {
+                        for (byte aaIndex = 0; aaIndex < HeaderSettings.AntiAliasLevel; aaIndex++)
+                        {
+                            progress.Token.ThrowIfCancellationRequested();
+
+                            inputFile.Seek(LayerDefinitions[aaIndex, layerIndex].DataAddress, SeekOrigin.Begin);
+                            LayerDefinitions[aaIndex, layerIndex].EncodedRle = inputFile.ReadBytes(LayerDefinitions[aaIndex, layerIndex].DataSize);
+                        }
                     }
+
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using var mat = LayerDefinitions[0, layerIndex].Decode((uint)layerIndex);
+                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+
+                        progress.LockAndIncrement();
+                    });
                 }
-
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = LayerDefinitions[0, layerIndex].Decode((uint)layerIndex))
-                    {
-                        var layer = new Layer((uint)layerIndex, mat, this);
-                        if (layerDefinitionsEx is not null) // CTBv4
-                        {
-                            layerDefinitionsEx[layerIndex].CopyTo(layer);
-                        }
-                        else // others
-                        {
-                            LayerDefinitions[0, layerIndex].CopyTo(layer);
-                        }
-
-                        this[layerIndex] = layer;
-                    }
-
-                    progress.LockAndIncrement();
-                });
             }
+
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                if (layerDefinitionsEx is not null) // CTBv4
+                {
+                    layerDefinitionsEx[layerIndex].CopyTo(this[layerIndex]);
+                }
+                else // others
+                {
+                    LayerDefinitions[0, layerIndex].CopyTo(this[layerIndex]);
+                }
+            }
+
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             SanitizeProperties();
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(0, SeekOrigin.Begin);

UVtools.Core/FileFormats/ChituboxZipFile.cs

@@ -401,9 +401,9 @@ namespace UVtools.Core.FileFormats
             return false;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using (ZipArchive outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create))
+            using (ZipArchive outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create))
             {
                 if (Thumbnails.Length > 0 && Thumbnails[0] is not null)
                 {
@@ -416,14 +416,10 @@ namespace UVtools.Core.FileFormats
 
                 if (Thumbnails.Length > 1 && Thumbnails[1] is not null)
                 {
-                    using (Stream stream = outputFile.CreateEntry("preview_cropping.png").Open())
-                    {
-                        using (var vec = new VectorOfByte())
-                        {
-                            stream.WriteBytes(Thumbnails[1].GetPngByes());
-                            stream.Close();
-                        }
-                    }
+                    using Stream stream = outputFile.CreateEntry("preview_cropping.png").Open();
+                    using var vec = new VectorOfByte();
+                    stream.WriteBytes(Thumbnails[1].GetPngByes());
+                    stream.Close();
                 }
 
                 if (!IsPHZZip)
@@ -443,7 +439,7 @@ namespace UVtools.Core.FileFormats
             }
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
             using (var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read))
             {
@@ -497,24 +493,27 @@ namespace UVtools.Core.FileFormats
                     }
                 }
 
-                LayerManager.Init(HeaderSettings.LayerCount);
+                LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
 
                 progress.ItemCount = LayerCount;
 
-                for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (progress.Token.IsCancellationRequested) break;
-                    entry = inputFile.GetEntry($"{layerIndex+1}.png");
-                    if (entry is null)
+                    for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
                     {
-                        Clear();
-                        throw new FileLoadException($"Layer {layerIndex+1} not found", fileFullPath);
+                        if (progress.Token.IsCancellationRequested) break;
+                        entry = inputFile.GetEntry($"{layerIndex + 1}.png");
+                        if (entry is null)
+                        {
+                            Clear();
+                            throw new FileLoadException($"Layer {layerIndex + 1} not found", FileFullPath);
+                        }
+
+                        using var stream = entry.Open();
+                        this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
+
+                        progress++;
                     }
-
-                    using var stream = entry.Open();
-                    this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
-
-                    progress++;
                 }
 
                 if (IsPHZZip) // PHZ file
@@ -561,24 +560,8 @@ namespace UVtools.Core.FileFormats
             RaisePropertyChanged(nameof(GCodeStr));
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
             var entriesToRemove = outputFile.Entries.Where(zipEntry => zipEntry.Name.EndsWith(".gcode")).ToArray();
             foreach (var zipEntry in entriesToRemove)

UVtools.Core/FileFormats/FDGFile.cs

@@ -904,7 +904,7 @@ namespace UVtools.Core.FileFormats
             LayersDefinitions = null;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             /*if (HeaderSettings.EncryptionKey == 0)
             {
@@ -912,7 +912,7 @@ namespace UVtools.Core.FileFormats
                 HeaderSettings.EncryptionKey = (uint)rnd.Next(short.MaxValue, int.MaxValue);
             }*/
 
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             outputFile.Seek(Helpers.Serializer.SizeOf(HeaderSettings), SeekOrigin.Begin);
 
             for (byte i = 0; i < ThumbnailsCount; i++)
@@ -1021,22 +1021,19 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             //HeaderSettings = Helpers.ByteToType<CbddlpFile.Header>(InputFile);
             //HeaderSettings = Helpers.Serializer.Deserialize<Header>(InputFile.ReadBytes(Helpers.Serializer.SizeOf(typeof(Header))));
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.Magic != MAGIC)
             {
-                throw new FileLoadException("Not a valid FDG file!", fileFullPath);
+                throw new FileLoadException("Not a valid FDG file!", FileFullPath);
             }
 
             HeaderSettings.AntiAliasLevel = 1;
 
-            FileFullPath = fileFullPath;
-
-
             progress.Reset(OperationProgress.StatusDecodePreviews, ThumbnailsCount);
             Debug.Write("Header -> ");
             Debug.WriteLine(HeaderSettings);
@@ -1070,7 +1067,7 @@ namespace UVtools.Core.FileFormats
                 HeaderSettings.MachineName = Encoding.ASCII.GetString(buffer);
             }
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             LayersDefinitions = new LayerDef[HeaderSettings.LayerCount];
             
             progress.Reset(OperationProgress.StatusDecodeLayers, HeaderSettings.LayerCount);
@@ -1087,45 +1084,37 @@ namespace UVtools.Core.FileFormats
                     Debug.Write($"LAYER {layerIndex} -> ");
                     Debug.WriteLine(layerDef);
 
-                    inputFile.SeekDoWorkAndRewind(layerDef.DataAddress, () =>
+                    if (DecodeType == FileDecodeType.Full)
                     {
-                        layerDef.EncodedRle = inputFile.ReadBytes(layerDef.DataSize);
-                    });
+                        inputFile.SeekDoWorkAndRewind(layerDef.DataAddress,
+                            () => { layerDef.EncodedRle = inputFile.ReadBytes(layerDef.DataSize); });
+                    }
                 }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = LayersDefinitions[layerIndex].Decode((uint)layerIndex))
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
                     {
-                        var layer = new Layer((uint)layerIndex, mat, this);
-                        LayersDefinitions[layerIndex].CopyTo(layer);
-                        this[layerIndex] = layer;
-                    }
+                        if (progress.Token.IsCancellationRequested) return;
+                        if (DecodeType == FileDecodeType.Full)
+                        {
+                            using var mat = LayersDefinitions[layerIndex].Decode((uint)layerIndex);
+                            this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        }
 
-                    progress.LockAndIncrement();
-                });
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                LayersDefinitions[layerIndex].CopyTo(this[layerIndex]);
             }
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(0, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);

UVtools.Core/FileFormats/FileFormat.cs

@@ -121,6 +121,19 @@ namespace UVtools.Core.FileFormats
             Small = 0,
             Large
         }
+
+        public enum FileDecodeType : byte
+        {
+            /// <summary>
+            /// Decodes all the file information and caches layer images
+            /// </summary>
+            Full,
+
+            /// <summary>
+            /// Decodes only the information in the file and thumbnails, no layer image is read nor cached, fast
+            /// </summary>
+            Partial,
+        }
         #endregion
 
         #region Sub Classes
@@ -441,6 +454,17 @@ namespace UVtools.Core.FileFormats
             return PathExtensions.GetFileNameStripExtensions(filepath, AllFileExtensionsString.OrderByDescending(s => s.Length).ToList(), out strippedExtension);
         }
 
+        public static FileFormat Open(string fileFullPath, FileDecodeType decodeType, OperationProgress progress = null)
+        {
+            var slicerFile = FindByExtensionOrFilePath(fileFullPath, true);
+            if (slicerFile is null) return null;
+            slicerFile.Decode(fileFullPath, decodeType, progress);
+            return slicerFile;
+        }
+
+        public static FileFormat Open(string fileFullPath, OperationProgress progress = null) =>
+            Open(fileFullPath, FileDecodeType.Full, progress);
+
 
         public static byte[] EncodeImage(string dataType, Mat mat)
         {
@@ -762,6 +786,8 @@ namespace UVtools.Core.FileFormats
         /// </summary>
         public abstract FileExtension[] FileExtensions { get; }
 
+        public FileDecodeType DecodeType { get; private set; } = FileDecodeType.Full;
+
         /// <summary>
         /// Gets the available <see cref="PrintParameterModifier"/>
         /// </summary>
@@ -847,6 +873,7 @@ namespace UVtools.Core.FileFormats
         /// </summary>
         public string FileFullPath { get; set; }
 
+        public string FileDirectoryPath => Path.GetDirectoryName(FileFullPath);
         public string Filename => Path.GetFileName(FileFullPath);
         public string FileExtension => Path.GetExtension(FileFullPath);
         public string FilenameNoExt => GetFileNameStripExtensions(FileFullPath);
@@ -2520,9 +2547,8 @@ namespace UVtools.Core.FileFormats
         /// <summary>
         /// Encode to an output file
         /// </summary>
-        /// <param name="fileFullPath">Output file</param>
         /// <param name="progress"></param>
-        protected abstract void EncodeInternally(string fileFullPath, OperationProgress progress);
+        protected abstract void EncodeInternally(OperationProgress progress);
 
         /// <summary>
         /// Encode to an output file
@@ -2531,6 +2557,11 @@ namespace UVtools.Core.FileFormats
         /// <param name="progress"></param>
         public void Encode(string fileFullPath, OperationProgress progress = null)
         {
+            if (DecodeType == FileDecodeType.Partial)
+            {
+                throw new InvalidOperationException("File was partial decoded, a full encode is not possible.");
+            }
+
             progress ??= new OperationProgress();
             progress.Reset(OperationProgress.StatusEncodeLayers, LayerCount);
 
@@ -2543,12 +2574,9 @@ namespace UVtools.Core.FileFormats
 
             LayerManager.Sanitize();
 
-            FileFullPath = fileFullPath;
+            if (File.Exists(fileFullPath)) File.Delete(fileFullPath);
 
-            if (File.Exists(fileFullPath))
-            {
-                File.Delete(fileFullPath);
-            }
+            FileFullPath = fileFullPath;
 
             for (var i = 0; i < Thumbnails.Length; i++)
             {
@@ -2557,7 +2585,7 @@ namespace UVtools.Core.FileFormats
                 CvInvoke.Resize(Thumbnails[i], Thumbnails[i], new Size(ThumbnailsOriginalSize[i].Width, ThumbnailsOriginalSize[i].Height));
             }
 
-            EncodeInternally(fileFullPath, progress);
+            EncodeInternally(progress);
 
             LayerManager.SetAllIsModified(false);
             RequireFullEncode = false;
@@ -2566,24 +2594,32 @@ namespace UVtools.Core.FileFormats
         /// <summary>
         /// Decode a slicer file
         /// </summary>
-        /// <param name="fileFullPath"></param>
         /// <param name="progress"></param>
-        protected abstract void DecodeInternally(string fileFullPath, OperationProgress progress);
+        protected abstract void DecodeInternally(OperationProgress progress);
 
         /// <summary>
         /// Decode a slicer file
         /// </summary>
         /// <param name="fileFullPath"></param>
         /// <param name="progress"></param>
-        public void Decode(string fileFullPath, OperationProgress progress = null)
+        public void Decode(string fileFullPath, OperationProgress progress = null) => Decode(fileFullPath, FileDecodeType.Full, progress);
+
+        /// <summary>
+        /// Decode a slicer file
+        /// </summary>
+        /// <param name="fileFullPath"></param>
+        /// <param name="fileDecodeType"></param>
+        /// <param name="progress"></param>
+        public void Decode(string fileFullPath, FileDecodeType fileDecodeType, OperationProgress progress = null)
         {
             Clear();
             FileValidation(fileFullPath);
             FileFullPath = fileFullPath;
+            DecodeType = fileDecodeType;
             progress ??= new OperationProgress();
             progress.Reset(OperationProgress.StatusGatherLayers, LayerCount);
 
-            DecodeInternally(fileFullPath, progress);
+            DecodeInternally(progress);
 
             progress.Token.ThrowIfCancellationRequested();
 
@@ -2745,20 +2781,15 @@ namespace UVtools.Core.FileFormats
                     }
                 }
 
-                if (LayerCount > 0)
+                if (LayerCount > 0 && DecodeType == FileDecodeType.Full)
                 {
                     Parallel.ForEach(this, CoreSettings.ParallelOptions, layer =>
                     {
                         if (progress.Token.IsCancellationRequested) return;
                         var byteArr = layer.CompressedBytes;
-                        using var stream = File.Create(Path.Combine(path, layer.Filename),
-                            byteArr.Length);
+                        if (byteArr is null) return;
+                        using var stream = new FileStream(Path.Combine(path, layer.Filename), FileMode.Create, FileAccess.Write);
                         stream.Write(byteArr, 0, byteArr.Length);
-                        stream.Close();
-
-                        //using var mat = layer.LayerMat;
-                        //mat.Save(Path.Combine(path, $"{layer.Filename}.jpg"));
-
                         progress.LockAndIncrement();
                     });
                 }
@@ -3343,7 +3374,34 @@ namespace UVtools.Core.FileFormats
         /// </summary>
         /// <param name="filePath">File path to save copy as, use null to overwrite active file (Same as <see cref="Save"/>)</param>
         /// <param name="progress"></param>
-        public abstract void SaveAs(string filePath = null, OperationProgress progress = null);
+        public void SaveAs(string filePath = null, OperationProgress progress = null)
+        {
+            if (RequireFullEncode)
+            {
+                if (!string.IsNullOrEmpty(filePath))
+                {
+                    FileFullPath = filePath;
+                }
+                Encode(FileFullPath, progress);
+                return;
+            }
+
+            if (!string.IsNullOrEmpty(filePath))
+            {
+                File.Copy(FileFullPath, filePath, true);
+                FileFullPath = filePath;
+
+            }
+
+            PartialSaveInternally(progress);
+        }
+
+        /// <summary>
+        /// Partial save of the file, this is the file information only.
+        /// When this function is called it's already ready to save to file
+        /// </summary>
+        /// <param name="progress"></param>
+        protected abstract void PartialSaveInternally(OperationProgress progress);
 
         /// <summary>
         /// Triggers when a conversion is valid and before start converting values

UVtools.Core/FileFormats/FlashForgeSVGXFile.cs

@@ -446,17 +446,17 @@ namespace UVtools.Core.FileFormats
         #endregion
 
         #region Methods
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             if (SVGDocument.PrintParameters.ResolutionX == 0 || SVGDocument.PrintParameters.ResolutionY == 0 ||
                 SVGDocument.PrintParameters.DisplayWidth == 0 || SVGDocument.PrintParameters.DisplayHeight == 0)
             {
                 throw new FileLoadException("This file does not contain a resolution and/or display size information needed to generate the layer images.\n" +
                                             "Note that FlashDLPrint slicer is unable to output files with the required information to load in here.\n" +
-                                            "Please use other compatible slicer capable of output the correct information to load the file in here.", fileFullPath);
+                                            "Please use other compatible slicer capable of output the correct information to load the file in here.", FileFullPath);
             }
 
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             outputFile.Seek(Helpers.Serializer.SizeOf(HeaderSettings), SeekOrigin.Begin);
 
             HeaderSettings.Preview1Address = 0;
@@ -594,13 +594,13 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.Identifier != Header.IdentifierText)
             {
-                throw new FileLoadException("Not a valid Flashforge SVGX file!", fileFullPath);
+                throw new FileLoadException("Not a valid Flashforge SVGX file!", FileFullPath);
             }
 
             progress.Reset(OperationProgress.StatusDecodePreviews, ThumbnailsCount);
@@ -644,15 +644,16 @@ namespace UVtools.Core.FileFormats
             {
                 throw new FileLoadException("This file does not contain a resolution and/or display size information needed to generate the layer images.\n" +
                                             "Note that FlashDLPrint slicer is unable to output files with the required information to load in here.\n" +
-                                            "Please use other compatible slicer capable of output the correct information to load the file in here.", fileFullPath);
+                                            "Please use other compatible slicer capable of output the correct information to load the file in here.", FileFullPath);
             }
 
             var halfDisplay = Display.Half();
             var ppmm = Ppmm;
 
-            LayerManager.Init(SVGDocument.PrintParameters.LayerCount);
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
+            LayerManager.Init(SVGDocument.PrintParameters.LayerCount, DecodeType == FileDecodeType.Partial);
 
+            if (DecodeType != FileDecodeType.Full) return;
+            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
             Parallel.For(0, LayerCount, CoreSettings.ParallelOptions, layerIndex =>
             {
                 if (progress.Token.IsCancellationRequested) return;
@@ -661,14 +662,15 @@ namespace UVtools.Core.FileFormats
 
                 var group = SVGDocument.Groups.FirstOrDefault(g => g.Id == $"layer-{layerIndex}");
 
-                if (group is not null)
+                if (@group is not null)
                 {
                     var pointsOfPoints = new List<Point[]>();
                     var points = new List<Point>();
-                    foreach (var path in group.Paths)
+                    foreach (var path in @group.Paths)
                     {
                         if (progress.Token.IsCancellationRequested) break;
-                        var spaceSplit = path.Value.Split(' ', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries);
+                        var spaceSplit = path.Value.Split(' ',
+                            StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries);
 
                         for (int i = 0; i < spaceSplit.Length; i++)
                         {
@@ -679,8 +681,10 @@ namespace UVtools.Core.FileFormats
                                     pointsOfPoints.Add(points.ToArray());
                                     points.Clear();
                                 }
+
                                 continue;
                             }
+
                             if (spaceSplit[i] == "Z")
                             {
                                 if (points.Count > 0)
@@ -688,9 +692,12 @@ namespace UVtools.Core.FileFormats
                                     pointsOfPoints.Add(points.ToArray());
                                     points.Clear();
                                 }
+
                                 continue;
                             }
-                            if (spaceSplit[i].Length == 1 && !char.IsDigit(spaceSplit[i][0])) continue; // Ignore any other not processed 1 char that's not a digit (L)
+
+                            if (spaceSplit[i].Length == 1 && !char.IsDigit(spaceSplit[i][0]))
+                                continue; // Ignore any other not processed 1 char that's not a digit (L)
 
                             if (i + 1 >= spaceSplit.Length) break; // No more to see
 
@@ -730,24 +737,8 @@ namespace UVtools.Core.FileFormats
             });
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(HeaderSettings.SVGDocumentAddress, SeekOrigin.Begin);
             outputFile.SetLength(outputFile.Position);

UVtools.Core/FileFormats/GR1File.cs

@@ -354,9 +354,9 @@ namespace UVtools.Core.FileFormats
         #endregion
 
         #region Methods
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             var pageBreak = PageBreak.Bytes;
 
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);
@@ -465,13 +465,13 @@ namespace UVtools.Core.FileFormats
 
 
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.HeaderValue != Header.HEADER_VALUE)
             {
-                throw new FileLoadException("Not a valid Makerbase file!", fileFullPath);
+                throw new FileLoadException("Not a valid Makerbase file!", FileFullPath);
             }
 
             byte[][] previews = new byte[ThumbnailsOriginalSize.Length][];
@@ -491,77 +491,65 @@ namespace UVtools.Core.FileFormats
 
             SlicerInfoSettings = Helpers.Deserialize<SlicerInfo>(inputFile);
 
-            LayerManager.Init(SlicerInfoSettings.LayerCount);
+            LayerManager.Init(SlicerInfoSettings.LayerCount, DecodeType == FileDecodeType.Partial);
 
 
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-
-            var range = Enumerable.Range(0, (int)LayerCount);
-
-            var linesBytes = new byte[LayerCount][];
-            foreach (var batch in BatchLayersIndexes())
+            if (DecodeType == FileDecodeType.Full)
             {
-                progress.Token.ThrowIfCancellationRequested();
-
-                foreach (var layerIndex in batch)
+                progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
+                var linesBytes = new byte[LayerCount][];
+                foreach (var batch in BatchLayersIndexes())
                 {
-                    var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
-
-                    linesBytes[layerIndex] = new byte[lineCount * 6];
-                    inputFile.ReadBytes(linesBytes[layerIndex]);
-                    inputFile.Seek(2, SeekOrigin.Current);
-
                     progress.Token.ThrowIfCancellationRequested();
-                }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using var mat = EmguExtensions.InitMat(Resolution);
-
-                    for (int i = 0; i < linesBytes[layerIndex].Length; i++)
+                    foreach (var layerIndex in batch)
                     {
-                        var startY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
-                        var endY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
-                        var startX = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i]);
+                        var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
 
-                        CvInvoke.Line(mat, new Point(startX, startY), new Point(startX, endY), EmguExtensions.WhiteColor);
+                        linesBytes[layerIndex] = new byte[lineCount * 6];
+                        inputFile.ReadBytes(linesBytes[layerIndex]);
+                        inputFile.Seek(2, SeekOrigin.Current);
+
+                        progress.Token.ThrowIfCancellationRequested();
                     }
 
-                    linesBytes[layerIndex] = null;
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using var mat = EmguExtensions.InitMat(Resolution);
 
-                    this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        for (int i = 0; i < linesBytes[layerIndex].Length; i++)
+                        {
+                            var startY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
+                            var endY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
+                            var startX = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i]);
 
-                    progress.LockAndIncrement();
-                });
+                            CvInvoke.Line(mat, new Point(startX, startY), new Point(startX, endY),
+                                EmguExtensions.WhiteColor);
+                        }
+
+                        linesBytes[layerIndex] = null;
+
+                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+            else // Partial read
+            {
+                inputFile.Seek(-Helpers.Serializer.SizeOf(HeaderSettings), SeekOrigin.End);
             }
 
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.HeaderValue != Header.HEADER_VALUE)
             {
-                throw new FileLoadException("Not a valid Makerbase file!", fileFullPath);
+                throw new FileLoadException("Not a valid Makerbase file!", FileFullPath);
             }
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(SlicerInfoAddress, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, SlicerInfoSettings);

UVtools.Core/FileFormats/ImageFile.cs

@@ -77,14 +77,14 @@ namespace UVtools.Core.FileFormats
 
         private Mat ImageMat { get; set; }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            throw new NotSupportedException();
+            this[0].LayerMat.Save(FileFullPath);
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            ImageMat = CvInvoke.Imread(fileFullPath, ImreadModes.Grayscale);
+            ImageMat = CvInvoke.Imread(FileFullPath, ImreadModes.Grayscale);
             const byte startDivisor = 2;
             for (int i = 0; i < ThumbnailsCount; i++)
             {
@@ -102,9 +102,9 @@ namespace UVtools.Core.FileFormats
             this[0] = new Layer(0, ImageMat, LayerManager);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            this[0].LayerMat.Save(filePath ?? FileFullPath);
+            this[0].LayerMat.Save(FileFullPath);
         }
 
         public override FileFormat Convert(Type to, string fileFullPath, OperationProgress progress = null)

UVtools.Core/FileFormats/LGSFile.cs

@@ -487,7 +487,7 @@ namespace UVtools.Core.FileFormats
 
         #region Methods
 
-       protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+       protected override void EncodeInternally(OperationProgress progress)
         {
             if (FileEndsWith(".lgs")) // Longer Orange 10
             {
@@ -511,7 +511,7 @@ namespace UVtools.Core.FileFormats
             }
 
             //uint currentOffset = (uint)Helpers.Serializer.SizeOf(HeaderSettings);
-            using (var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write))
+            using (var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write))
             {
                 outputFile.WriteSerialize(HeaderSettings);
                 outputFile.WriteBytes(EncodeImage(DATATYPE_RGB565_BE, Thumbnails[0]));
@@ -566,13 +566,13 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.Name != Header.NameValue)
             {
-                throw new FileLoadException("Not a valid LGS file!", fileFullPath);
+                throw new FileLoadException("Not a valid LGS file!", FileFullPath);
             }
 
             //if (HeaderSettings.PrinterModel is 10 or 30 or 120)
@@ -594,54 +594,38 @@ namespace UVtools.Core.FileFormats
             }
 
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             var layerData = new LayerDef[LayerCount];
 
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-            foreach (var batch in BatchLayersIndexes())
+            if (DecodeType == FileDecodeType.Full)
             {
-                foreach (var layerIndex in batch)
+                progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
+                foreach (var batch in BatchLayersIndexes())
                 {
-                    progress.Token.ThrowIfCancellationRequested();
-
-                    layerData[layerIndex] = Helpers.Deserialize<LayerDef>(inputFile);
-                    layerData[layerIndex].Parent = this;
-                }
-
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = layerData[layerIndex].Decode())
+                    foreach (var layerIndex in batch)
                     {
-                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        progress.Token.ThrowIfCancellationRequested();
+
+                        layerData[layerIndex] = Helpers.Deserialize<LayerDef>(inputFile);
+                        layerData[layerIndex].Parent = this;
                     }
 
-                    progress.LockAndIncrement();
-                });
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using var mat = layerData[layerIndex].Decode();
+                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+
+                        progress.LockAndIncrement();
+                    });
+                }
             }
 
             LayerManager.RebuildLayersProperties();
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(0, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);

UVtools.Core/FileFormats/MDLPFile.cs

@@ -315,9 +315,9 @@ namespace UVtools.Core.FileFormats
         #endregion
 
         #region Methods
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             var pageBreak = PageBreak.Bytes;
 
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);
@@ -425,9 +425,9 @@ namespace UVtools.Core.FileFormats
 
 
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             //HeaderSettings = Helpers.ByteToType<CbddlpFile.Header>(InputFile);
             //HeaderSettings = Helpers.Serializer.Deserialize<Header>(InputFile.ReadBytes(Helpers.Serializer.SizeOf(typeof(Header))));
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
@@ -450,76 +450,62 @@ namespace UVtools.Core.FileFormats
 
             SlicerInfoSettings = Helpers.Deserialize<SlicerInfo>(inputFile);
 
-            LayerManager.Init(SlicerInfoSettings.LayerCount);
+            LayerManager.Init(SlicerInfoSettings.LayerCount, DecodeType == FileDecodeType.Partial);
 
-
-            progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
-
-            var range = Enumerable.Range(0, (int)LayerCount);
-
-            var linesBytes = new byte[LayerCount][];
-            foreach (var batch in BatchLayersIndexes())
+            if (DecodeType == FileDecodeType.Full)
             {
-                progress.Token.ThrowIfCancellationRequested();
-
-                foreach (var layerIndex in batch)
+                progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
+                var linesBytes = new byte[LayerCount][];
+                foreach (var batch in BatchLayersIndexes())
                 {
-                    var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
-
-                    linesBytes[layerIndex] = new byte[lineCount * 6];
-                    inputFile.ReadBytes(linesBytes[layerIndex]);
-                    inputFile.Seek(2, SeekOrigin.Current);
-
                     progress.Token.ThrowIfCancellationRequested();
-                }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = EmguExtensions.InitMat(Resolution))
+                    foreach (var layerIndex in batch)
                     {
+                        var lineCount = BitExtensions.ToUIntBigEndian(inputFile.ReadBytes(4));
 
-                        for (int i = 0; i < linesBytes[layerIndex].Length; i++)
-                        {
-                            var startY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
-                            var endY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
-                            var startX = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i]);
+                        linesBytes[layerIndex] = new byte[lineCount * 6];
+                        inputFile.ReadBytes(linesBytes[layerIndex]);
+                        inputFile.Seek(2, SeekOrigin.Current);
 
-                            CvInvoke.Line(mat, new Point(startX, startY), new Point(startX, endY), EmguExtensions.WhiteColor);
-                        }
-
-                        linesBytes[layerIndex] = null;
-
-                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        progress.Token.ThrowIfCancellationRequested();
                     }
 
-                    progress.LockAndIncrement();
-                });
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using (var mat = EmguExtensions.InitMat(Resolution))
+                        {
+
+                            for (int i = 0; i < linesBytes[layerIndex].Length; i++)
+                            {
+                                var startY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
+                                var endY = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i++]);
+                                var startX = BitExtensions.ToUShortBigEndian(linesBytes[layerIndex][i++], linesBytes[layerIndex][i]);
+
+                                CvInvoke.Line(mat, new Point(startX, startY), new Point(startX, endY), EmguExtensions.WhiteColor);
+                            }
+
+                            linesBytes[layerIndex] = null;
+
+                            this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        }
+
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+            else // Partial read
+            {
+                inputFile.Seek(-Helpers.Serializer.SizeOf(HeaderSettings), SeekOrigin.End);
             }
 
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             HeaderSettings.Validate();
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(SlicerInfoAddress, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, SlicerInfoSettings);

UVtools.Core/FileFormats/OSLAFile.cs

@@ -465,9 +465,9 @@ namespace UVtools.Core.FileFormats
             Previews = null;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             FileSettings.Update();
             var fileDefSize = Helpers.SerializeWriteFileStream(outputFile, FileSettings);
             HeaderSettings.TableSize = (uint)Helpers.Serializer.SizeOf(HeaderSettings);
@@ -598,9 +598,9 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             FileSettings = Helpers.Deserialize<FileDef>(inputFile);
             Debug.Write("File -> ");
             Debug.WriteLine(FileSettings);
@@ -646,7 +646,7 @@ namespace UVtools.Core.FileFormats
 
             inputFile.Seek(HeaderSettings.LayerDefinitionsAddress, SeekOrigin.Begin);
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             var layerDef = new LayerDef[LayerCount];
 
 
@@ -672,34 +672,37 @@ namespace UVtools.Core.FileFormats
             }
 
             
-
-            progress.Reset(OperationProgress.StatusDecodeLayers, HeaderSettings.LayerCount);
-            foreach (var batch in BatchLayersIndexes())
+            if (DecodeType == FileDecodeType.Full)
             {
-                var layerBytes = new byte[LayerCount][];
-
-                foreach (var layerIndex in batch)
+                progress.Reset(OperationProgress.StatusDecodeLayers, HeaderSettings.LayerCount);
+                foreach (var batch in BatchLayersIndexes())
                 {
-                    progress.Token.ThrowIfCancellationRequested();
+                    var layerBytes = new byte[LayerCount][];
 
-                    inputFile.Seek(layerDataAddresses[layerIndex], SeekOrigin.Begin);
-                    layerBytes[layerIndex] = inputFile.ReadBytes(inputFile.ReadUIntLittleEndian());
-                }
-
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
-                {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = DecodeImage(HeaderSettings.LayerDataType, layerBytes[layerIndex], Resolution))
+                    foreach (var layerIndex in batch)
                     {
-                        layerBytes[layerIndex] = null; // Clean
+                        progress.Token.ThrowIfCancellationRequested();
 
-                        var layer = new Layer((uint)layerIndex, mat, this);
-                        layerDef[layerIndex].CopyTo(layer);
-                        this[layerIndex] = layer;
+                        inputFile.Seek(layerDataAddresses[layerIndex], SeekOrigin.Begin);
+                        layerBytes[layerIndex] = inputFile.ReadBytes(inputFile.ReadUIntLittleEndian());
                     }
 
-                    progress.LockAndIncrement();
-                });
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                    {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using var mat = DecodeImage(HeaderSettings.LayerDataType, layerBytes[layerIndex], Resolution);
+                        layerBytes[layerIndex] = null; // Clean
+
+                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                layerDef[layerIndex].CopyTo(this[layerIndex]);
             }
 
             progress.Reset(OperationProgress.StatusDecodeGcode);
@@ -711,24 +714,8 @@ namespace UVtools.Core.FileFormats
             UpdateGlobalPropertiesFromLayers();
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(0, SeekOrigin.Begin);
             FileSettings.Update();

UVtools.Core/FileFormats/PHZFile.cs

@@ -927,7 +927,7 @@ namespace UVtools.Core.FileFormats
             LayersDefinitions = null;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             /*if (HeaderSettings.EncryptionKey == 0)
             {
@@ -936,7 +936,7 @@ namespace UVtools.Core.FileFormats
             }*/
 
             LayersDefinitions = new LayerDef[HeaderSettings.LayerCount];
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             outputFile.Seek(Helpers.Serializer.SizeOf(HeaderSettings), SeekOrigin.Begin);
 
             for (byte i = 0; i < ThumbnailsCount; i++)
@@ -1046,15 +1046,15 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             //HeaderSettings = Helpers.ByteToType<CbddlpFile.Header>(InputFile);
             //HeaderSettings = Helpers.Serializer.Deserialize<Header>(InputFile.ReadBytes(Helpers.Serializer.SizeOf(typeof(Header))));
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.Magic != MAGIC_PHZ)
             {
-                throw new FileLoadException("Not a valid PHZ file!", fileFullPath);
+                throw new FileLoadException("Not a valid PHZ file!", FileFullPath);
             }
 
             HeaderSettings.AntiAliasLevel = 1;
@@ -1093,7 +1093,7 @@ namespace UVtools.Core.FileFormats
             }
 
 
-            LayerManager.Init(HeaderSettings.LayerCount);
+            LayerManager.Init(HeaderSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             LayersDefinitions = new LayerDef[HeaderSettings.LayerCount];
 
             progress.Reset(OperationProgress.StatusDecodeLayers, HeaderSettings.LayerCount);
@@ -1110,45 +1110,34 @@ namespace UVtools.Core.FileFormats
                     Debug.Write($"LAYER {layerIndex} -> ");
                     Debug.WriteLine(layerDef);
 
-                    inputFile.SeekDoWorkAndRewind(layerDef.DataAddress, () =>
+                    if (DecodeType == FileDecodeType.Full)
                     {
-                        layerDef.EncodedRle = inputFile.ReadBytes(layerDef.DataSize);
-                    });
+                        inputFile.SeekDoWorkAndRewind(layerDef.DataAddress,
+                            () => { layerDef.EncodedRle = inputFile.ReadBytes(layerDef.DataSize); });
+                    }
                 }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = LayersDefinitions[layerIndex].Decode((uint)layerIndex))
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
                     {
-                        var layer = new Layer((uint)layerIndex, mat, this);
-                        LayersDefinitions[layerIndex].CopyTo(layer);
-                        this[layerIndex] = layer;
-                    }
+                        if (progress.Token.IsCancellationRequested) return;
 
-                    progress.LockAndIncrement();
-                });
+                        using var mat = LayersDefinitions[layerIndex].Decode((uint)layerIndex);
+                        this[layerIndex] = new Layer((uint)layerIndex, mat, this);
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                LayersDefinitions[layerIndex].CopyTo(this[layerIndex]);
             }
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(0, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);

UVtools.Core/FileFormats/PhotonSFile.cs

@@ -434,10 +434,10 @@ namespace UVtools.Core.FileFormats
 
         #region Methods
         
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             //throw new NotSupportedException("PhotonS is read-only format, please use pws instead!");
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             outputFile.WriteSerialize(HeaderSettings);
             outputFile.WriteBytes(EncodeImage(DATATYPE_BGR565, Thumbnails[0]));
             outputFile.WriteSerialize(LayerSettings);
@@ -474,13 +474,13 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine("-End-");
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
             if (HeaderSettings.Tag1 != Header.TAG1 || HeaderSettings.Tag2 != Header.TAG2)
             {
-                throw new FileLoadException("Not a valid PHOTONS file! TAGs doesn't match", fileFullPath);
+                throw new FileLoadException("Not a valid PHOTONS file! TAGs doesn't match", FileFullPath);
             }
 
             int previewSize = (int) (HeaderSettings.PreviewResolutionX * HeaderSettings.PreviewResolutionY * 2);
@@ -495,7 +495,7 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine(LayerSettings);
   
 
-            LayerManager.Init(LayerSettings.LayerCount);
+            LayerManager.Init(LayerSettings.LayerCount, DecodeType == FileDecodeType.Partial);
             var layersDefinitions = new LayerDef[LayerSettings.LayerCount];
 
             progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
@@ -508,7 +508,8 @@ namespace UVtools.Core.FileFormats
                     var layerDef = Helpers.Deserialize<LayerDef>(inputFile);
                     layersDefinitions[layerIndex] = layerDef;
 
-                    layerDef.EncodedRle = inputFile.ReadBytes(layerDef.RleDataSize);
+                    if (DecodeType == FileDecodeType.Full) layerDef.EncodedRle = inputFile.ReadBytes(layerDef.RleDataSize);
+                    else inputFile.Seek(layerDef.RleDataSize, SeekOrigin.Current);
 
                     Debug.Write($"LAYER {layerIndex} -> ");
                     Debug.WriteLine(layerDef);
@@ -521,40 +522,23 @@ namespace UVtools.Core.FileFormats
                     }
                 }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = layersDefinitions[layerIndex].Decode())
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
                     {
+                        if (progress.Token.IsCancellationRequested) return;
+                        using var mat = layersDefinitions[layerIndex].Decode();
                         this[layerIndex] = new Layer((uint)layerIndex, mat, this);
-                    }
-
-                    progress.LockAndIncrement();
-                });
+                        progress.LockAndIncrement();
+                    });
+                }
             }
 
             LayerManager.RebuildLayersProperties();
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);
             outputFile.Seek(0, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);

UVtools.Core/FileFormats/PhotonWorkshopFile.cs

@@ -1256,7 +1256,7 @@ namespace UVtools.Core.FileFormats
             LayersDefinition = null;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             HeaderSettings.PixelSizeUm = PixelSizeMicronsMax;
                 
@@ -1277,7 +1277,7 @@ namespace UVtools.Core.FileFormats
 
 
             FileMarkSettings.HeaderAddress = (uint) Helpers.Serializer.SizeOf(FileMarkSettings);
-            using var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write);
+            using var outputFile = new FileStream(FileFullPath, FileMode.Create, FileAccess.Write);
             outputFile.Seek((int)FileMarkSettings.HeaderAddress, SeekOrigin.Begin);
             Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);
 
@@ -1348,9 +1348,9 @@ namespace UVtools.Core.FileFormats
             Helpers.SerializeWriteFileStream(outputFile, FileMarkSettings);
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read);
+            using var inputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Read);
             FileMarkSettings = Helpers.Deserialize<FileMark>(inputFile);
 
             Debug.Write("FileMark -> ");
@@ -1359,17 +1359,14 @@ namespace UVtools.Core.FileFormats
             if (!FileMarkSettings.Mark.Equals(FileMark.SectionMarkFile))
             {
                 throw new FileLoadException(
-                    $"Invalid Filemark {FileMarkSettings.Mark}, expected {FileMark.SectionMarkFile}", fileFullPath);
+                    $"Invalid Filemark {FileMarkSettings.Mark}, expected {FileMark.SectionMarkFile}", FileFullPath);
             }
 
             if (FileMarkSettings.Version is not VERSION_1 and not VERSION_515)
             {
-                throw new FileLoadException($"Invalid Version {FileMarkSettings.Version}, expected {VERSION_1} or {VERSION_515}",
-                    fileFullPath);
+                throw new FileLoadException($"Invalid Version {FileMarkSettings.Version}, expected {VERSION_1} or {VERSION_515}", FileFullPath);
             }
 
-            FileFullPath = fileFullPath;
-
             inputFile.Seek(FileMarkSettings.HeaderAddress, SeekOrigin.Begin);
             HeaderSettings = Helpers.Deserialize<Header>(inputFile);
 
@@ -1402,7 +1399,7 @@ namespace UVtools.Core.FileFormats
             Debug.Write("LayersDefinition -> ");
             Debug.WriteLine(LayersDefinition);
 
-            LayerManager.Init(LayersDefinition.LayerCount);
+            LayerManager.Init(LayersDefinition.LayerCount, DecodeType == FileDecodeType.Partial);
             LayersDefinition.Layers = new LayerDef[LayerCount];
             
             LayersDefinition.Validate();
@@ -1418,52 +1415,43 @@ namespace UVtools.Core.FileFormats
                     LayersDefinition[layerIndex].Parent = this;
                     Debug.WriteLine($"Layer {layerIndex}: {LayersDefinition[layerIndex]}");
 
-
-                    inputFile.SeekDoWorkAndRewind(LayersDefinition[layerIndex].DataAddress, () =>
+                    if (DecodeType == FileDecodeType.Full)
                     {
-                        LayersDefinition[layerIndex].EncodedRle = inputFile.ReadBytes(LayersDefinition[layerIndex].DataLength);
-                    });
+                        inputFile.SeekDoWorkAndRewind(LayersDefinition[layerIndex].DataAddress,
+                            () =>
+                            {
+                                LayersDefinition[layerIndex].EncodedRle = inputFile.ReadBytes(LayersDefinition[layerIndex].DataLength);
+                            });
+                    }
                 }
 
-                Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
+                if (DecodeType == FileDecodeType.Full)
                 {
-                    if (progress.Token.IsCancellationRequested) return;
-                    using (var mat = LayersDefinition[layerIndex].Decode())
+                    Parallel.ForEach(batch, CoreSettings.ParallelOptions, layerIndex =>
                     {
-                        var layer = new Layer((uint)layerIndex, mat, this)
+                        if (progress.Token.IsCancellationRequested) return;
+
+                        using var mat = LayersDefinition[layerIndex].Decode();
+                        this[layerIndex] = new Layer((uint)layerIndex, mat, this)
                         {
                             PositionZ = LayersDefinition.Layers
                                 .Where((_, i) => i <= layerIndex)
                                 .Sum(def => def.LayerHeight),
                         };
-                        LayersDefinition[layerIndex].CopyTo(layer);
-                        this[layerIndex] = layer;
-                    }
 
-                    progress.LockAndIncrement();
-                });
+                        progress.LockAndIncrement();
+                    });
+                }
+            }
+
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                LayersDefinition[layerIndex].CopyTo(this[layerIndex]);
             }
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             HeaderSettings.PerLayerOverride = LayerManager.AllLayersAreUsingGlobalParameters ? 0 : 1u;
 
             using var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write);

UVtools.Core/FileFormats/SL1File.cs

@@ -533,13 +533,13 @@ namespace UVtools.Core.FileFormats
             Statistics.Clear();
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            var filename = fileFullPath;
+            var filename = FileFullPath;
             if (filename.EndsWith(TemporaryFileAppend)) filename = Path.GetFileNameWithoutExtension(filename); // tmp
             filename = Path.GetFileNameWithoutExtension(filename); // sl1
             OutputConfigSettings.JobDir = filename;
-            using ZipArchive outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create);
+            using ZipArchive outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
             var entry = outputFile.CreateEntry("config.ini");
             using (TextWriter tw = new StreamWriter(entry.Open()))
             {
@@ -596,7 +596,7 @@ namespace UVtools.Core.FileFormats
         }
 
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
             PrinterSettings = new Printer();
             MaterialSettings = new Material();
@@ -605,7 +605,7 @@ namespace UVtools.Core.FileFormats
 
             Statistics.ExecutionTime.Restart();
 
-            using (var inputFile = ZipFile.OpenRead(fileFullPath))
+            using (var inputFile = ZipFile.OpenRead(FileFullPath))
             {
                 List<string> iniFiles = new();
                 foreach (ZipArchiveEntry entity in inputFile.Entries)
@@ -689,7 +689,7 @@ namespace UVtools.Core.FileFormats
                     LightPWM = LookupCustomValue(Keyword_LightPWM, DefaultBottomLightPWM);
                 });
                 
-                LayerManager.Init(OutputConfigSettings.NumSlow + OutputConfigSettings.NumFast);
+                LayerManager.Init(OutputConfigSettings.NumSlow + OutputConfigSettings.NumFast, DecodeType == FileDecodeType.Partial);
 
                 progress.ItemCount = LayerCount;
 
@@ -698,7 +698,7 @@ namespace UVtools.Core.FileFormats
                     if (!entity.Name.EndsWith(".png")) continue;
                     if (entity.Name.StartsWith("thumbnail"))
                     {
-                        using Stream stream = entity.Open();
+                        using var stream = entity.Open();
                         Mat image = new();
                         CvInvoke.Imdecode(stream.ToArray(), ImreadModes.AnyColor, image);
                         byte thumbnailIndex =
@@ -707,17 +707,21 @@ namespace UVtools.Core.FileFormats
                                 ? FileThumbnailSize.Small
                                 : FileThumbnailSize.Large);
                         Thumbnails[thumbnailIndex] = image;
-                        stream.Close();
 
                         //thumbnailIndex++;
 
                         continue;
                     }
-
-                    // - .png - 5 numbers
-                    string layerStr = entity.Name.Substring(entity.Name.Length - 4 - 5, 5);
-                    uint iLayer = uint.Parse(layerStr);
-                    this[iLayer] = new Layer(iLayer, entity.Open(), LayerManager);
+                    
+                    if (DecodeType == FileDecodeType.Full)
+                    {
+                        // - .png - 5 numbers
+                        string layerStr = entity.Name.Substring(entity.Name.Length - 4 - 5, 5);
+                        uint iLayer = uint.Parse(layerStr);
+                        using var stream = entity.Open();
+                        this[iLayer] = new Layer(iLayer, stream, LayerManager);
+                    }
+                    
                     progress.ProcessedItems++;
                 }
             }
@@ -729,26 +733,8 @@ namespace UVtools.Core.FileFormats
             Debug.WriteLine(Statistics);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-
-            }
-
             using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
             //InputFile.CreateEntry("Modified");
             using (TextWriter tw = new StreamWriter(outputFile.PutFileContent("config.ini", string.Empty, ZipArchiveMode.Update).Open()))

UVtools.Core/FileFormats/UVJFile.cs

@@ -467,7 +467,7 @@ namespace UVtools.Core.FileFormats
             JsonSettings.Layers = new List<LayerDef>();
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             // Redo layer data
             if (JsonSettings.Layers is null)
@@ -484,7 +484,7 @@ namespace UVtools.Core.FileFormats
                 JsonSettings.Layers.Add(new LayerDef(this[layerIndex]));
             }
 
-            using var outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create);
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
             outputFile.PutFileContent(FileConfigName, JsonConvert.SerializeObject(JsonSettings, Formatting.Indented), ZipArchiveMode.Create);
 
             if (CreatedThumbnailsCount > 0)
@@ -514,20 +514,20 @@ namespace UVtools.Core.FileFormats
             }
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using (var inputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Read))
+            using (var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read))
             {
                 var entry = inputFile.GetEntry(FileConfigName);
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException($"{FileConfigName} not found", fileFullPath);
+                    throw new FileLoadException($"{FileConfigName} not found", FileFullPath);
                 }
 
                 JsonSettings = Helpers.JsonDeserializeObject<Settings>(entry.Open());
                 
-                LayerManager.Init(JsonSettings.Properties.Size.Layers);
+                LayerManager.Init(JsonSettings.Properties.Size.Layers, DecodeType == FileDecodeType.Partial);
 
                 entry = inputFile.GetEntry(FilePreviewTinyName);
                 if (entry is not null)
@@ -554,15 +554,16 @@ namespace UVtools.Core.FileFormats
                     entry = inputFile.GetEntry($"{FolderImageName}/{layerIndex:D8}.png");
                     if (entry is null) continue;
 
-                    using var stream = entry.Open();
-                    var layer = new Layer(layerIndex, stream, LayerManager);
+                    if (DecodeType == FileDecodeType.Full)
+                    {
+                        using var stream = entry.Open();
+                        this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
+                    }
 
                     if (JsonSettings.Layers?.Count > layerIndex)
                     {
-                        JsonSettings.Layers[(int)layerIndex].CopyTo(layer);
+                        JsonSettings.Layers[(int)layerIndex].CopyTo(this[layerIndex]);
                     }
-
-                    this[layerIndex] = layer;
                 }
                 
                 progress.ProcessedItems++;
@@ -571,25 +572,8 @@ namespace UVtools.Core.FileFormats
             LayerManager.GetBoundingRectangle(progress);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-
-            }
-
             if (JsonSettings.Layers is null)
             {
                 JsonSettings.Layers = new List<LayerDef>();

UVtools.Core/FileFormats/VDAFile.cs

@@ -302,10 +302,10 @@ namespace UVtools.Core.FileFormats
             return false;
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using var outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create);
-            var manifestFilename = Path.GetFileName(fileFullPath).
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
+            var manifestFilename = Filename.
                 Replace($".{FileExtensions[0].Extension}{TemporaryFileAppend}", ".xml").
                 Replace($".{FileExtensions[0].Extension}", ".xml");
 
@@ -328,7 +328,7 @@ namespace UVtools.Core.FileFormats
             serializer.Serialize(stream, ManifestFile, ns);
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
             using (var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read))
             {
@@ -336,7 +336,7 @@ namespace UVtools.Core.FileFormats
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException($".xml manifest not found", fileFullPath);
+                    throw new FileLoadException($".xml manifest not found", FileFullPath);
                 }
 
                 try
@@ -348,11 +348,11 @@ namespace UVtools.Core.FileFormats
                 catch (Exception e)
                 {
                     Clear();
-                    throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", fileFullPath);
+                    throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", FileFullPath);
                 }
 
 
-                LayerManager.Init(ManifestFile.Slices.LayerCount);
+                LayerManager.Init(ManifestFile.Slices.LayerCount, DecodeType == FileDecodeType.Partial);
                 progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
 
 
@@ -364,11 +364,14 @@ namespace UVtools.Core.FileFormats
                     if (entry is null)
                     {
                         Clear();
-                        throw new FileLoadException($"Layer {filename} not found", fileFullPath);
+                        throw new FileLoadException($"Layer {filename} not found", FileFullPath);
                     }
 
-                    using var stream = entry.Open();
-                    this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
+                    if (DecodeType == FileDecodeType.Full)
+                    {
+                        using var stream = entry.Open();
+                        this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
+                    }
 
                     progress++;
                 }
@@ -377,24 +380,8 @@ namespace UVtools.Core.FileFormats
             LayerManager.GetBoundingRectangle(progress);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
             bool deleted;
 

UVtools.Core/FileFormats/VDTFile.cs

@@ -149,6 +149,42 @@ namespace UVtools.Core.FileFormats
             [JsonProperty("retract_distance2")] public float RetractHeight2 { get; set; } = DefaultRetractHeight2;
             [JsonProperty("retract_speed2")] public float RetractSpeed2 { get; set; } = DefaultRetractSpeed2;
             [JsonProperty("light_pwm")] public byte LightPWM { get; set; } = DefaultLightPWM;
+
+            public void SetFrom(Layer layer)
+            {
+                PositionZ = layer.PositionZ;
+                LightOffDelay = layer.LightOffDelay;
+                WaitTimeBeforeCure = layer.WaitTimeBeforeCure;
+                ExposureTime = layer.ExposureTime;
+                WaitTimeAfterCure = layer.WaitTimeAfterCure;
+                LiftHeight = layer.LiftHeight;
+                LiftSpeed = layer.LiftSpeed;
+                LiftHeight2 = layer.LiftHeight2;
+                LiftSpeed2 = layer.LiftSpeed2;
+                WaitTimeAfterLift = layer.WaitTimeAfterLift;
+                RetractSpeed = layer.RetractSpeed;
+                RetractHeight2 = layer.RetractHeight2;
+                RetractSpeed2 = layer.RetractSpeed2;
+                LightPWM = layer.LightPWM;
+            }
+
+            public void CopyTo(Layer layer)
+            {
+                layer.PositionZ = PositionZ;
+                layer.LightOffDelay = LightOffDelay;
+                layer.WaitTimeBeforeCure = WaitTimeBeforeCure;
+                layer.ExposureTime = ExposureTime;
+                layer.WaitTimeAfterCure = WaitTimeAfterCure;
+                layer.LiftHeight = LiftHeight;
+                layer.LiftSpeed = LiftSpeed;
+                layer.LiftHeight2 = LiftHeight2;
+                layer.LiftSpeed2 = LiftSpeed2;
+                layer.WaitTimeAfterLift = WaitTimeAfterLift;
+                layer.RetractSpeed = RetractSpeed;
+                layer.RetractHeight2 = RetractHeight2;
+                layer.RetractSpeed2 = RetractSpeed2;
+                layer.LightPWM = LightPWM;
+            }
         }
 
         #endregion
@@ -566,12 +602,12 @@ namespace UVtools.Core.FileFormats
             }
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
             // Redo layer data
             RebuildVDTLayers();
 
-            using var outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create);
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
             outputFile.PutFileContent(FileManifestName, JsonConvert.SerializeObject(ManifestFile, Formatting.Indented), ZipArchiveMode.Create);
 
             if (CreatedThumbnailsCount > 0)
@@ -598,20 +634,20 @@ namespace UVtools.Core.FileFormats
             }
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using (var inputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Read))
+            using (var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read))
             {
                 var entry = inputFile.GetEntry(FileManifestName);
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException($"{FileManifestName} not found", fileFullPath);
+                    throw new FileLoadException($"{FileManifestName} not found", FileFullPath);
                 }
 
                 ManifestFile = Helpers.JsonDeserializeObject<VDTManifest>(entry.Open());
                 
-                LayerManager.Init((uint) ManifestFile.Layers.Length);
+                LayerManager.Init((uint) ManifestFile.Layers.Length, DecodeType == FileDecodeType.Partial);
 
                 for (int i = 0; i < FilePreviewNames.Length; i++)
                 {
@@ -631,24 +667,14 @@ namespace UVtools.Core.FileFormats
                     var manifestLayer = ManifestFile.Layers[layerIndex];
                     entry = inputFile.GetEntry($"{layerIndex}.png");
                     if (entry is null) continue;
-                    using var stream = entry.Open();
-                    this[layerIndex] = new Layer(layerIndex, stream, LayerManager)
+
+                    if (DecodeType == FileDecodeType.Full)
                     {
-                        PositionZ = manifestLayer.PositionZ,
-                        LightOffDelay = manifestLayer.LightOffDelay,
-                        WaitTimeBeforeCure = manifestLayer.WaitTimeBeforeCure,
-                        ExposureTime = manifestLayer.ExposureTime,
-                        WaitTimeAfterCure = manifestLayer.WaitTimeAfterCure,
-                        LiftHeight = manifestLayer.LiftHeight,
-                        LiftSpeed = manifestLayer.LiftSpeed,
-                        LiftHeight2 = manifestLayer.LiftHeight2,
-                        LiftSpeed2 = manifestLayer.LiftSpeed2,
-                        WaitTimeAfterLift = manifestLayer.WaitTimeAfterLift,
-                        RetractSpeed = manifestLayer.RetractSpeed,
-                        RetractHeight2 = manifestLayer.RetractHeight2,
-                        RetractSpeed2 = manifestLayer.RetractSpeed2,
-                        LightPWM = manifestLayer.LightPWM,
-                    };
+                        using var stream = entry.Open();
+                        this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
+                    }
+
+                    manifestLayer.CopyTo(this[layerIndex]);
                 }
                 
                 progress.ProcessedItems++;
@@ -657,25 +683,8 @@ namespace UVtools.Core.FileFormats
             LayerManager.GetBoundingRectangle(progress);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-
-            }
-
             RebuildVDTLayers();
             using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
             outputFile.PutFileContent(FileManifestName, JsonConvert.SerializeObject(ManifestFile, Formatting.Indented), ZipArchiveMode.Update);

UVtools.Core/FileFormats/ZCodeFile.cs

@@ -467,9 +467,9 @@ namespace UVtools.Core.FileFormats
 
         #region Methods
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void EncodeInternally(OperationProgress progress)
         {
-            using ZipArchive outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create);
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
             if (Thumbnails.Length > 0 && Thumbnails[0] is not null)
             {
                 using var thumbnailsStream = outputFile.CreateEntry(PreviewFilename).Open();
@@ -497,14 +497,14 @@ namespace UVtools.Core.FileFormats
             outputFile.PutFileContent(GCodeFilename, EncryptGCode(progress), ZipArchiveMode.Create);
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
             using var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read);
             var entry = inputFile.GetEntry(ManifestFilename);
             if (entry is null)
             {
                 Clear();
-                throw new FileLoadException($"{ManifestFilename} not found", fileFullPath);
+                throw new FileLoadException($"{ManifestFilename} not found", FileFullPath);
             }
 
             try
@@ -516,14 +516,14 @@ namespace UVtools.Core.FileFormats
             catch (Exception e)
             {
                 Clear();
-                throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", fileFullPath);
+                throw new FileLoadException($"Unable to deserialize '{entry.Name}'\n{e}", FileFullPath);
             }
 
             entry = inputFile.GetEntry(GCodeFilename);
             if (entry is null)
             {
                 Clear();
-                throw new FileLoadException($"{GCodeFilename} not found", fileFullPath);
+                throw new FileLoadException($"{GCodeFilename} not found", FileFullPath);
             }
 
             var encryptEngine = new RsaEngine();
@@ -551,7 +551,7 @@ namespace UVtools.Core.FileFormats
                 tr.Close();
             }
 
-            LayerManager.Init(ManifestFile.Job.LayerCount);
+            LayerManager.Init(ManifestFile.Job.LayerCount, DecodeType == FileDecodeType.Partial);
             progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
 
             //var gcode = GCode.ToString();
@@ -564,12 +564,15 @@ namespace UVtools.Core.FileFormats
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException($"Layer {layerIndex+1} not found", fileFullPath);
+                    throw new FileLoadException($"Layer {layerIndex+1} not found", FileFullPath);
                 }
 
-                using var stream = entry.Open();
-                this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
-
+                if (DecodeType == FileDecodeType.Full)
+                {
+                    using var stream = entry.Open();
+                    this[layerIndex] = new Layer(layerIndex, stream, LayerManager);
+                }
+                
                 progress++;
             }
 
@@ -585,24 +588,8 @@ namespace UVtools.Core.FileFormats
             LayerManager.GetBoundingRectangle(progress);
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-            }
-
             using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
 
             var entriesToRemove = outputFile.Entries.Where(zipEntry => zipEntry.Name.EndsWith(".gcode") || zipEntry.Name.EndsWith(".xml")).ToArray();

UVtools.Core/FileFormats/ZCodexFile.cs

@@ -374,7 +374,7 @@ namespace UVtools.Core.FileFormats
             LayersSettings.Clear();
         }
 
-        protected override void EncodeInternally(string fileFullPath, OperationProgress progress) 
+        protected override void EncodeInternally(OperationProgress progress) 
         { 
             float usedMaterial = MaterialMilliliters / LayerCount;
             ResinMetadataSettings.Layers.Clear();
@@ -387,87 +387,83 @@ namespace UVtools.Core.FileFormats
                 });
             }
 
-            using (ZipArchive outputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Create))
-            {
-                outputFile.PutFileContent("ResinMetadata", JsonConvert.SerializeObject(ResinMetadataSettings, Formatting.Indented), ZipArchiveMode.Create);
-                outputFile.PutFileContent("UserSettingsData", JsonConvert.SerializeObject(UserSettings, Formatting.Indented), ZipArchiveMode.Create);
-                outputFile.PutFileContent("ZCodeMetadata", JsonConvert.SerializeObject(ZCodeMetadataSettings, Formatting.Indented), ZipArchiveMode.Create);
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Create);
+            outputFile.PutFileContent("ResinMetadata", JsonConvert.SerializeObject(ResinMetadataSettings, Formatting.Indented), ZipArchiveMode.Create);
+            outputFile.PutFileContent("UserSettingsData", JsonConvert.SerializeObject(UserSettings, Formatting.Indented), ZipArchiveMode.Create);
+            outputFile.PutFileContent("ZCodeMetadata", JsonConvert.SerializeObject(ZCodeMetadataSettings, Formatting.Indented), ZipArchiveMode.Create);
 
-                if (CreatedThumbnailsCount > 0)
+            if (CreatedThumbnailsCount > 0)
+            {
+                using var stream = outputFile.CreateEntry("Preview.png").Open();
+                stream.WriteBytes(Thumbnails[0].GetPngByes());
+                stream.Close();
+            }
+
+            GCode.Clear();
+
+            float lastZPosition = 0;
+            for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
+            {
+                progress.Token.ThrowIfCancellationRequested();
+
+                var layer = this[layerIndex];
+                GCode.AppendLine($"{GCodeKeywordSlice} {layerIndex}");
+
+                if (lastZPosition != layer.PositionZ)
                 {
-                    using (var stream = outputFile.CreateEntry("Preview.png").Open())
+                    if (layer.LiftHeight > 0)
                     {
-                        stream.WriteBytes(Thumbnails[0].GetPngByes());
-                        stream.Close();
+                        GCode.AppendLine($"G1 Z{layer.LiftHeight} F{layer.LiftSpeed}");
+                        GCode.AppendLine($"G1 Z-{Layer.RoundHeight(layer.LiftHeight - layer.PositionZ + lastZPosition)} F{layer.RetractSpeed}");
+                    }
+                    else
+                    {
+                        GCode.AppendLine($"G1 Z{Layer.RoundHeight(layer.PositionZ- lastZPosition)} F{layer.LiftSpeed}");
                     }
                 }
-
-                GCode.Clear();
-
-                float lastZPosition = 0;
-                for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
-                {
-                    progress.Token.ThrowIfCancellationRequested();
-
-                    Layer layer = this[layerIndex];
-                    GCode.AppendLine($"{GCodeKeywordSlice} {layerIndex}");
-
-                    if (lastZPosition != layer.PositionZ)
-                    {
-                        if (layer.LiftHeight > 0)
-                        {
-                            GCode.AppendLine($"G1 Z{layer.LiftHeight} F{layer.LiftSpeed}");
-                            GCode.AppendLine($"G1 Z-{Layer.RoundHeight(layer.LiftHeight - layer.PositionZ + lastZPosition)} F{layer.RetractSpeed}");
-                        }
-                        else
-                        {
-                            GCode.AppendLine($"G1 Z{Layer.RoundHeight(layer.PositionZ- lastZPosition)} F{layer.LiftSpeed}");
-                        }
-                    }
-                    /*else
+                /*else
                     {
                         //GCode.AppendLine($";G1 Z{LiftHeight} F{LiftSpeed}; Already here");
                         //GCode.AppendLine($";G1 Z-{LiftHeight - layer.PositionZ + lastZPosition} F{RetractSpeed}; Already here");
                     }*/
 
-                    //GCode.AppendLine($"G1 Z{LiftHeight} F{LiftSpeed}");
-                    //GCode.AppendLine($"G1 Z-{LiftHeight - LayerHeight} F{RetractSpeed}");
-                    GCode.AppendLine(GCodeKeywordDelayBlank);
-                    GCode.AppendLine("M106 S255");
-                    GCode.AppendLine(GCodeKeywordDelayModel);
-                    GCode.AppendLine("M106 S0");
+                //GCode.AppendLine($"G1 Z{LiftHeight} F{LiftSpeed}");
+                //GCode.AppendLine($"G1 Z-{LiftHeight - LayerHeight} F{RetractSpeed}");
+                GCode.AppendLine(GCodeKeywordDelayBlank);
+                GCode.AppendLine("M106 S255");
+                GCode.AppendLine(GCodeKeywordDelayModel);
+                GCode.AppendLine("M106 S0");
 
 
-                    var layerimagePath = $"{FolderImages}/{FolderImageName}{layerIndex:D5}.png";
-                    using (Stream stream = outputFile.CreateEntry(layerimagePath).Open())
-                    {
-                        //image.Save(stream, Helpers.PngEncoder);
-                        var byteArr = this[layerIndex].CompressedBytes;
-                        stream.Write(byteArr, 0, byteArr.Length);
-                        stream.Close();
-                    }
-
-                    lastZPosition = layer.PositionZ;
-
-                    progress++;
+                var layerimagePath = $"{FolderImages}/{FolderImageName}{layerIndex:D5}.png";
+                using (var stream = outputFile.CreateEntry(layerimagePath).Open())
+                {
+                    //image.Save(stream, Helpers.PngEncoder);
+                    var byteArr = this[layerIndex].CompressedBytes;
+                    stream.Write(byteArr, 0, byteArr.Length);
+                    stream.Close();
                 }
 
-                GCode.AppendLine($"G1 Z40.0 F{UserSettings.ZLiftFeedRate}");
-                GCode.AppendLine("M18");
+                lastZPosition = layer.PositionZ;
 
-                outputFile.PutFileContent("ResinGCodeData", GCode.ToString(), ZipArchiveMode.Create);
+                progress++;
             }
+
+            GCode.AppendLine($"G1 Z40.0 F{UserSettings.ZLiftFeedRate}");
+            GCode.AppendLine("M18");
+
+            outputFile.PutFileContent("ResinGCodeData", GCode.ToString(), ZipArchiveMode.Create);
         }
 
-        protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
+        protected override void DecodeInternally(OperationProgress progress)
         {
-            using (var inputFile = ZipFile.Open(fileFullPath, ZipArchiveMode.Read))
+            using (var inputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Read))
             {
                 var entry = inputFile.GetEntry("ResinMetadata");
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException("ResinMetadata not found", fileFullPath);
+                    throw new FileLoadException("ResinMetadata not found", FileFullPath);
                 }
 
                 ResinMetadataSettings = Helpers.JsonDeserializeObject<ResinMetadata>(entry.Open());
@@ -476,7 +472,7 @@ namespace UVtools.Core.FileFormats
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException("UserSettingsData not found", fileFullPath);
+                    throw new FileLoadException("UserSettingsData not found", FileFullPath);
                 }
 
                 UserSettings = Helpers.JsonDeserializeObject<UserSettingsdata>(entry.Open());
@@ -485,7 +481,7 @@ namespace UVtools.Core.FileFormats
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException("ZCodeMetadata not found", fileFullPath);
+                    throw new FileLoadException("ZCodeMetadata not found", FileFullPath);
                 }
 
                 ZCodeMetadataSettings = Helpers.JsonDeserializeObject<ZCodeMetadata>(entry.Open());
@@ -494,10 +490,10 @@ namespace UVtools.Core.FileFormats
                 if (entry is null)
                 {
                     Clear();
-                    throw new FileLoadException("ResinGCodeData not found", fileFullPath);
+                    throw new FileLoadException("ResinGCodeData not found", FileFullPath);
                 }
 
-                LayerManager.Init(ResinMetadataSettings.TotalLayersCount);
+                LayerManager.Init(ResinMetadataSettings.TotalLayersCount, DecodeType == FileDecodeType.Partial);
                 GCode.Clear();
                 using (TextReader tr = new StreamReader(entry.Open()))
                 {
@@ -577,14 +573,18 @@ M106 S0
                            
                             LayersSettings[layerIndex].LayerFileIndex = layerFileIndex;
                             LayersSettings[layerIndex].LayerEntry = inputFile.GetEntry(layerimagePath);
-                            this[layerIndex] = new Layer((uint) layerIndex, LayersSettings[layerIndex].LayerEntry.Open(), LayerManager)
+
+                            if (DecodeType == FileDecodeType.Full)
                             {
-                                PositionZ = currentHeight,
-                                LiftHeight = liftHeight,
-                                LiftSpeed = liftSpeed,
-                                RetractSpeed = retractSpeed,
-                                LightPWM = pwm
-                            };
+                                using var stream = LayersSettings[layerIndex].LayerEntry.Open();
+                                this[layerIndex] = new Layer((uint)layerIndex, stream, LayerManager);
+                            }
+
+                            this[layerIndex].PositionZ = currentHeight;
+                            this[layerIndex].LiftHeight = liftHeight;
+                            this[layerIndex].LiftSpeed = liftSpeed;
+                            this[layerIndex].RetractSpeed = retractSpeed;
+                            this[layerIndex].LightPWM = pwm;
                             layerIndex++;
 
                             progress++;
@@ -595,9 +595,9 @@ M106 S0
                 }
 
                 entry = inputFile.GetEntry("Preview.png");
-                if (!ReferenceEquals(entry, null))
+                if (entry is not null)
                 {
-                    using Stream stream = entry.Open();
+                    using var stream = entry.Open();
                     CvInvoke.Imdecode(stream.ToArray(), ImreadModes.AnyColor, Thumbnails[0]);
                     stream.Close();
                 }
@@ -622,36 +622,15 @@ M106 S0
             RaisePropertyChanged(nameof(GCodeStr));
         }
 
-        public override void SaveAs(string filePath = null, OperationProgress progress = null)
+        protected override void PartialSaveInternally(OperationProgress progress)
         {
-            if (RequireFullEncode)
-            {
-                if (!string.IsNullOrEmpty(filePath))
-                {
-                    FileFullPath = filePath;
-                }
-                Encode(FileFullPath, progress);
-                return;
-            }
-
-            if (!string.IsNullOrEmpty(filePath))
-            {
-                File.Copy(FileFullPath, filePath, true);
-                FileFullPath = filePath;
-
-            }
-
-            using (var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update))
-            {
-                outputFile.PutFileContent("ResinMetadata", JsonConvert.SerializeObject(ResinMetadataSettings, Formatting.Indented), ZipArchiveMode.Update);
-                outputFile.PutFileContent("UserSettingsData", JsonConvert.SerializeObject(UserSettings, Formatting.Indented), ZipArchiveMode.Update);
-                outputFile.PutFileContent("ZCodeMetadata", JsonConvert.SerializeObject(ZCodeMetadataSettings, Formatting.Indented), ZipArchiveMode.Update);
-                outputFile.PutFileContent("ResinGCodeData", GCodeStr, ZipArchiveMode.Update);
-            }
-
-            //Decode(FileFullPath, progress);
+            using var outputFile = ZipFile.Open(FileFullPath, ZipArchiveMode.Update);
+            outputFile.PutFileContent("ResinMetadata", JsonConvert.SerializeObject(ResinMetadataSettings, Formatting.Indented), ZipArchiveMode.Update);
+            outputFile.PutFileContent("UserSettingsData", JsonConvert.SerializeObject(UserSettings, Formatting.Indented), ZipArchiveMode.Update);
+            outputFile.PutFileContent("ZCodeMetadata", JsonConvert.SerializeObject(ZCodeMetadataSettings, Formatting.Indented), ZipArchiveMode.Update);
+            outputFile.PutFileContent("ResinGCodeData", GCodeStr, ZipArchiveMode.Update);
         }
 
-        #endregion
+    #endregion
     }
 }

UVtools.Core/Layers/Layer.cs

@@ -479,6 +479,7 @@ namespace UVtools.Core.Layers
         {
             get
             {
+                if (!HaveImage) return null;
                 Mat mat = new();
                 CvInvoke.Imdecode(_compressedBytes, ImreadModes.Grayscale, mat);
                 return mat;
@@ -604,6 +605,8 @@ namespace UVtools.Core.Layers
             _lightPWM = SlicerFile.GetBottomOrNormalValue(this, SlicerFile.BottomLightPWM, SlicerFile.LightPWM);
         }
 
+        public Layer(uint index, FileFormat slicerFile) : this(index, slicerFile.LayerManager) {}
+
         public Layer(uint index, byte[] compressedBytes, LayerManager parentLayerManager) : this(index, parentLayerManager)
         {
             CompressedBytes = compressedBytes;
@@ -625,8 +628,8 @@ namespace UVtools.Core.Layers
 
         public Layer(uint index, Mat layerMat, FileFormat slicerFile) : this(index, layerMat, slicerFile.LayerManager) { }
 
-        public Layer(uint index, Stream stream, LayerManager parentLayerManager) : this(index, stream.ToArray(), parentLayerManager) { }
-        public Layer(uint index, Stream stream, FileFormat slicerFile) : this(index, stream.ToArray(), slicerFile.LayerManager) { }
+        public Layer(uint index, Stream stream, LayerManager parentLayerManager) : this(index, stream?.ToArray(), parentLayerManager) { }
+        public Layer(uint index, Stream stream, FileFormat slicerFile) : this(index, stream?.ToArray(), slicerFile.LayerManager) { }
         #endregion
 
         #region Equatables
@@ -671,7 +674,7 @@ namespace UVtools.Core.Layers
             if (other is null) return false;
             if (ReferenceEquals(this, other)) return true;
             if (_index != other._index) return false;
-            if (_compressedBytes.Length != other._compressedBytes.Length) return false;
+            if (_compressedBytes?.Length != other._compressedBytes?.Length) return false;
             return _compressedBytes.AsSpan().SequenceEqual(other._compressedBytes.AsSpan());
             //return Equals(_compressedBytes, other._compressedBytes);
         }
@@ -1112,7 +1115,7 @@ namespace UVtools.Core.Layers
             //layer.CompressedBytes = _compressedBytes.ToArray();
             //Debug.WriteLine(ReferenceEquals(_compressedBytes, layer.CompressedBytes));
             //return layer;
-            return new (_index, CompressedBytes.ToArray(), ParentLayerManager)
+            return new (_index, CompressedBytes?.ToArray(), ParentLayerManager)
             {
                 _positionZ = _positionZ,
                 _lightOffDelay = _lightOffDelay,

UVtools.Core/Layers/LayerManager.cs

@@ -176,9 +176,14 @@ namespace UVtools.Core
             }
         }
 
-        public void Init(uint layerCount)
+        public void Init(uint layerCount, bool initializeLayers = false)
         {
             _layers = new Layer[layerCount];
+            if (!initializeLayers) return;
+            for (uint layerIndex = 0; layerIndex < layerCount; layerIndex++)
+            {
+                this[layerIndex] = new Layer(layerIndex, this);
+            }
         }
 
         public void Init(Layer[] layers)
@@ -672,9 +677,10 @@ namespace UVtools.Core
 
         public Rectangle GetBoundingRectangle(OperationProgress progress = null)
         {
-            if (!_boundingRectangle.IsEmpty || LayerCount == 0 || this[0] is null) return _boundingRectangle;
+            var firstLayer = FirstLayer;
+            if (!_boundingRectangle.IsEmpty || LayerCount == 0 || firstLayer is null || !firstLayer.HaveImage) return _boundingRectangle;
             progress ??= new OperationProgress(OperationProgress.StatusOptimizingBounds, LayerCount - 1);
-            _boundingRectangle = this[0].BoundingRectangle;
+            _boundingRectangle = firstLayer.BoundingRectangle;
             if (_boundingRectangle.IsEmpty) // Safe checking
             {
                 progress.Reset(OperationProgress.StatusOptimizingBounds, LayerCount-1);
@@ -687,9 +693,9 @@ namespace UVtools.Core
                     if (progress is null) return;
                     progress.LockAndIncrement();
                 });
-                _boundingRectangle = this[0].BoundingRectangle;
+                _boundingRectangle = firstLayer.BoundingRectangle;
 
-                if (progress is not null && progress.Token.IsCancellationRequested)
+                if (progress.Token.IsCancellationRequested)
                 {
                     _boundingRectangle = Rectangle.Empty;
                     progress.Token.ThrowIfCancellationRequested();

UVtools.Core/Managers/ClipboardManager.cs

@@ -275,11 +275,11 @@ namespace UVtools.Core.Managers
         /// <param name="slicerFile"></param>
         public void Init(FileFormat slicerFile)
         {
+            Clear();
+            SlicerFile = slicerFile;
+            if (slicerFile is null || slicerFile.DecodeType == FileFormat.FileDecodeType.Partial) return;
             SuppressRestoreWork(() =>
             {
-                Clear();
-                SlicerFile = slicerFile;
-                if (slicerFile is null) return;
                 var clip = new ClipboardItem(SlicerFile, "Original layers", true);
                 clip.AddRange(SlicerFile.LayerManager.CloneLayers());
                 Add(clip);

UVtools.Core/Managers/IssueManager.cs

@@ -124,6 +124,8 @@ namespace UVtools.Core.Managers
             bool emptyLayersConfig = true,
             OperationProgress progress = null)
         {
+            if (SlicerFile.DecodeType == FileFormat.FileDecodeType.Partial) return null;
+
             islandConfig ??= new IslandDetectionConfiguration();
             overhangConfig ??= new OverhangDetectionConfiguration();
             resinTrapConfig ??= new ResinTrapDetectionConfiguration();

UVtools.Core/Operations/Operation.cs

@@ -7,15 +7,12 @@
  */
 
 using System;
-using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Xml.Serialization;
 using Emgu.CV;
-using Emgu.CV.Cuda;
-using Emgu.CV.Util;
 using UVtools.Core.Extensions;
 using UVtools.Core.FileFormats;
 using UVtools.Core.Layers;
@@ -120,6 +117,11 @@ namespace UVtools.Core.Operations
         /// </summary>
         public virtual bool PassActualLayerIndex => false;
 
+        /// <summary>
+        /// Gets if this operation can run in a file open as partial mode
+        /// </summary>
+        public virtual bool CanRunInPartialMode => false;
+
         /// <summary>
         /// Gets if this operation can make use of ROI
         /// </summary>
@@ -502,6 +504,7 @@ namespace UVtools.Core.Operations
         public bool Execute(OperationProgress progress = null)
         {
             if (_slicerFile is null) throw new InvalidOperationException($"{Title} can't execute due the lacking of a file parent.");
+            if (_slicerFile.DecodeType == FileFormat.FileDecodeType.Partial && !CanRunInPartialMode) throw new InvalidOperationException($"The file was open in partial mode and the tool \"{Title}\" is unable to run in this mode.\nPlease reload the file in full mode in order to use this tool.");
             if (!IsValidated)
             {
                 var msg = Validate();

UVtools.Core/Operations/OperationCalculator.cs

@@ -18,6 +18,9 @@ namespace UVtools.Core.Operations
     public class OperationCalculator : Operation
     {
         #region Overrides
+
+        public override bool CanRunInPartialMode => true;
+
         public override string Title => "Calculator";
         public override string Description => null;
 

UVtools.Core/Operations/OperationDynamicLifts.cs

@@ -65,6 +65,8 @@ namespace UVtools.Core.Operations
 
         #region Overrides
 
+        public override bool CanRunInPartialMode => true;
+
         public override Enumerations.LayerRangeSelection StartLayerRangeSelection => Enumerations.LayerRangeSelection.Normal;
 
         public override string Title => "Dynamic lifts";

UVtools.Core/Operations/OperationEditParameters.cs

@@ -9,10 +9,8 @@
 using System;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 using System.Xml.Serialization;
 using UVtools.Core.FileFormats;
-using UVtools.Core.Objects;
 
 namespace UVtools.Core.Operations
 {
@@ -29,6 +27,8 @@ namespace UVtools.Core.Operations
         #endregion
 
         #region Overrides
+
+        public override bool CanRunInPartialMode => true;
         public override Enumerations.LayerRangeSelection StartLayerRangeSelection => Enumerations.LayerRangeSelection.None;
 
         public override bool CanROI => false;

UVtools.Core/Operations/OperationFadeExposureTime.cs

@@ -25,6 +25,7 @@ namespace UVtools.Core.Operations
         #endregion
 
         #region Overrides
+        public override bool CanRunInPartialMode => true;
         public override Enumerations.LayerRangeSelection StartLayerRangeSelection => Enumerations.LayerRangeSelection.Normal;
         public override bool LayerIndexEndEnabled => false;
         public override string Title => "Fade exposure time";

UVtools.Core/Operations/OperationIPrintedThisFile.cs

@@ -27,6 +27,8 @@ namespace UVtools.Core.Operations
 
         #region Overrides
 
+        public override bool CanRunInPartialMode => true;
+
         public override Enumerations.LayerRangeSelection StartLayerRangeSelection => Enumerations.LayerRangeSelection.None;
 
         public override bool CanROI => false;

UVtools.Core/Operations/OperationRaiseOnPrintFinish.cs

@@ -29,6 +29,9 @@ namespace UVtools.Core.Operations
         #endregion
 
         #region Overrides
+
+        public override bool CanRunInPartialMode => true;
+
         public override Enumerations.LayerRangeSelection StartLayerRangeSelection => Enumerations.LayerRangeSelection.None;
 
         public override string Title => "Raise platform on print finish";

UVtools.Core/Operations/OperationScripting.cs

@@ -30,6 +30,8 @@ namespace UVtools.Core.Operations
 
         #region Overrides
 
+        public override bool CanRunInPartialMode => true;
+
         public override bool CanHaveProfiles => false;
 
         public override string Title => "Scripting";

UVtools.Core/Scripting/ScriptFileDialogInput.cs

@@ -0,0 +1,41 @@
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+
+using System.Collections.Generic;
+
+namespace UVtools.Core.Scripting
+{
+    public abstract class ScriptFileDialogInput : ScriptBaseInput<string>
+    {
+        public class ScriptFileDialogFilter
+        {
+            public string Name { get; set; }
+            public List<string> Extensions { get; set; } = new();
+        }
+
+        /// <summary>
+        /// Gets or sets the title for the dialog
+        /// </summary>
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Gets or sets the default directory to open the dialog in
+        /// </summary>
+        public string Directory { get; set; }
+
+        /// <summary>
+        /// Gets or sets the initial filename to be on the dialog
+        /// </summary>
+        public string InitialFilename { get; set; }
+
+        /// <summary>
+        /// Gets or sets the file filters on the dropdown list
+        /// </summary>
+        public List<ScriptFileDialogFilter> Filters { get; set; }
+    }
+}

UVtools.Core/Scripting/ScriptOpenFileDialogInput.cs

@@ -0,0 +1,23 @@
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+
+namespace UVtools.Core.Scripting
+{
+    public class ScriptOpenFileDialogInput : ScriptFileDialogInput
+    {
+        /// <summary>
+        /// Gets or sets if allow multiple file selection
+        /// </summary>
+        public bool AllowMultiple { get; set; }
+
+        /// <summary>
+        /// Gets or sets the selected files
+        /// </summary>
+        public string[] Files {get; set; }
+    }
+}

UVtools.Core/Scripting/ScriptOpenFolderDialogInput.cs

@@ -0,0 +1,18 @@
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+
+namespace UVtools.Core.Scripting
+{
+    public class ScriptOpenFolderDialogInput : ScriptBaseInput<string>
+    {
+        /// <summary>
+        /// Gets the title for the dialog
+        /// </summary>
+        public string Title { get; set; }
+    }
+}

UVtools.Core/Scripting/ScriptSaveFileDialogInput.cs

@@ -0,0 +1,18 @@
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+
+namespace UVtools.Core.Scripting
+{
+    public class ScriptSaveFileDialogInput : ScriptFileDialogInput
+    {
+        /// <summary>
+        /// Gets or sets the default extension for the dialog
+        /// </summary>
+        public string DefaultExtension { get; set; }
+    }
+}

UVtools.Core/UVtools.Core.csproj

@@ -10,7 +10,7 @@
     <RepositoryUrl>https://github.com/sn4k3/UVtools</RepositoryUrl>
     <PackageProjectUrl>https://github.com/sn4k3/UVtools</PackageProjectUrl>
     <Description>MSLA/DLP, file analysis, calibration, repair, conversion and manipulation</Description>
-    <Version>2.24.4</Version>
+    <Version>2.25.0</Version>
     <Copyright>Copyright © 2020 PTRTECH</Copyright>
     <PackageIcon>UVtools.png</PackageIcon>
     <Platforms>AnyCPU;x64</Platforms>

UVtools.ScriptSample/ScriptCloneSettings.cs

@@ -0,0 +1,427 @@
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+
+using System;
+using UVtools.Core.Scripting;
+using System.IO;
+using System.Collections.Generic;
+using UVtools.Core.FileFormats;
+using System.Threading.Tasks;
+using UVtools.Core;
+using System.Collections.Concurrent;
+using System.Diagnostics;
+using System.Linq;
+
+namespace UVtools.ScriptSample
+{
+    /// <summary>
+    /// Performs a black inset around objects
+    /// </summary>
+    public class ScriptCloneSettings : ScriptGlobals
+    {
+        ScriptCheckBoxInput Recursive = new()
+        {
+            Label = "Recursive",
+            ToolTip = "If unchecked, only files in the same folder are modified; if checked, files in all sub-folders are modified too",
+            Value = true
+        };
+
+        ScriptCheckBoxInput Report = new()
+        {
+            Label = "Generate report file",
+            ToolTip = "Optionally generate a report file in the same directory as the open file",
+            Value = true
+        };
+
+        ScriptCheckBoxInput OpenReport = new()
+        {
+            Label = "Open report file",
+            ToolTip = "Optionally open the result file when completed",
+            Value = true
+        };
+
+        ScriptOpenFolderDialogInput FolderPath = new()
+        {
+            Label = "Folder path",
+            ToolTip = "The folder path to process",
+        };
+
+        private enum ResultStatus
+        {
+            Exception,
+            UnknownFileType,
+            DifferentMachineTypes,
+            Success,
+            Unchanged,
+        }
+
+        /// <summary>
+        /// Set configurations here, this function trigger just after load a script
+        /// </summary>
+        public void ScriptInit()
+        {
+            Script.Name = "Clone Settings";
+            Script.Description = "Copies the print settings from the current file to all files in the same directory and, optionally, recursively below it";
+            Script.Author = "Gina Venolia";
+            Script.Version = new Version(0, 2);
+            Script.UserInputs.Add(Recursive);
+            Script.UserInputs.Add(Report);
+            Script.UserInputs.Add(OpenReport);
+            Script.UserInputs.Add(FolderPath);
+            FolderPath.Value = SlicerFile.FileDirectoryPath;
+        }
+
+        /// <summary>
+        /// Validate user inputs here, this function trigger when user click on execute
+        /// </summary>
+        /// <returns>A error message, empty or null if validation passes.</returns>
+        public string ScriptValidate()
+        {
+            return null;
+        }
+
+        /// <summary>
+        /// Execute the script, this function trigger when when user click on execute and validation passes
+        /// </summary>
+        /// <returns>True if executes successfully to the end, otherwise false.</returns>
+        public bool ScriptExecute()
+        {
+            Progress.CanCancel = true;
+
+            // Gather the list of directories to operate on
+            Progress.Reset("Processing files...");
+
+            var directoryPaths = new List<string>();
+            directoryPaths.Add(Path.GetDirectoryName(SlicerFile.FileFullPath));
+
+            if (Recursive.Value)
+            {
+                for (var i = 0; i < directoryPaths.Count; i++)
+                {
+                    directoryPaths.AddRange(Directory.EnumerateDirectories(directoryPaths[i]));
+                }
+            }
+
+            // Gather the list of files to operate on
+            var filePaths = new List<string>();
+            foreach (var directoryPath in directoryPaths)
+            {
+                filePaths.AddRange(Directory.EnumerateFiles(directoryPath));
+            }
+
+            // Except for the file we started with
+            var normalizedFilePath = Path.GetFullPath(SlicerFile.FileFullPath);
+            filePaths.RemoveAll(x => Path.GetFullPath(x) == normalizedFilePath);
+
+            // Process the files
+            Progress.Reset("Processing files...", (uint)filePaths.Count, 0);
+
+            var results = new List<Tuple<ResultStatus, string, List<string>>>();
+            foreach (var filePath in filePaths)
+            {
+                if (Progress.Token.IsCancellationRequested) return false;
+
+                Tuple<ResultStatus, string, List<string>> result;
+                try
+                {
+                    result = ProcessFile(filePath);
+                }
+                catch (Exception ex)
+                {
+                    var deets = new List<string>();
+                    deets.Add(ex.GetType().Name);
+                    deets.Add(ex.Message);
+                    result = new Tuple<ResultStatus, string, List<string>>(ResultStatus.Exception, filePath, deets);
+                }
+
+                results.Add(result);
+
+                Progress++;
+            }
+
+            // Generate the report
+            if (Report.Value)
+            {
+                var reportDirectory = Path.GetDirectoryName(SlicerFile.FileFullPath);
+                var reportFilePath = Path.Combine(reportDirectory, "CloneSettingsReport.txt");
+                using (var writer = new StreamWriter(reportFilePath))
+                {
+                    writer.WriteLine(Script.Name + " " + Script.Version.ToString() + " by " + Script.Author);
+                    writer.WriteLine("Source file: " + SlicerFile.FileFullPath);
+                    writer.WriteLine(DateTime.Now.ToLongDateString() + ", " + DateTime.Now.ToLongTimeString());
+                    writer.WriteLine("Recursive: " + Recursive.Value.ToString());
+                    writer.WriteLine("Directories: " + directoryPaths.Count);
+                    writer.WriteLine("Files: " + filePaths.Count);
+                    writer.WriteLine();
+
+                    foreach (var statusGroup in results.GroupBy(x => x.Item1))
+                    {
+                        writer.WriteLine(statusGroup.Key.ToString());
+                        foreach (var result in statusGroup.OrderBy(x => x.Item2))
+                        {
+                            writer.WriteLine("\t" + result.Item2);
+                            if (result.Item3 is not null)
+                            {
+                                foreach (var detail in result.Item3)
+                                {
+                                    writer.WriteLine("\t\t" + detail);
+                                }
+                            }
+                        }
+                    }
+                }
+
+                if (OpenReport.Value)
+                {
+                    var startInfo = new ProcessStartInfo(reportFilePath)
+                    {
+                        UseShellExecute = true
+                    };
+                    Process.Start(startInfo);
+                }
+            }
+
+            // return true if not cancelled by user
+            return true;
+        }
+
+        private Tuple<ResultStatus, string, List<string>> ProcessFile(string filePath)
+        {
+            // Determine the type of file
+            var file = FileFormat.FindByExtensionOrFilePath(filePath, true);
+            if (file is null)
+            {
+                return new Tuple<ResultStatus, string, List<string>>(ResultStatus.UnknownFileType, filePath, null);
+            }
+
+            // Load the file
+            file.Decode(filePath);
+            if (string.Compare(file.MachineName, SlicerFile.MachineName, true) != 0)
+            {
+                var deets = new List<string>();
+                deets.Add("Source machine type: " + SlicerFile.MachineName);
+                deets.Add("Destination machine type: " + file.MachineName);
+                return new Tuple<ResultStatus, string, List<string>>(ResultStatus.DifferentMachineTypes, filePath, deets);
+            }
+
+            // TODO: Validate that some parameters are the same in both files?
+
+            // Change the parameters
+            var changed = false;
+            var details = new List<string>();
+
+            if (file.CanUseBottomLayerCount && file.BottomLayerCount != SlicerFile.BottomLayerCount)
+            {
+                details.Add($"Bottom Layer Count: {file.BottomLayerCount} to {SlicerFile.BottomLayerCount}");
+                file.BottomLayerCount = SlicerFile.BottomLayerCount;
+                changed = true;
+            }
+
+            if (file.CanUseBottomLightOffDelay && file.BottomLightOffDelay != SlicerFile.BottomLightOffDelay)
+            {
+                details.Add($"Bottom Light Off Delay: {file.BottomLightOffDelay} to {SlicerFile.BottomLightOffDelay}");
+                file.BottomLightOffDelay = SlicerFile.BottomLightOffDelay;
+                changed = true;
+            }
+
+            if (file.CanUseLightOffDelay && file.LightOffDelay != SlicerFile.LightOffDelay)
+            {
+                details.Add($"Light Off Delay: {file.LightOffDelay} to {SlicerFile.LightOffDelay}");
+                file.LightOffDelay = SlicerFile.LightOffDelay;
+                changed = true;
+            }
+
+            if (file.CanUseBottomWaitTimeBeforeCure && file.BottomWaitTimeBeforeCure != SlicerFile.BottomWaitTimeBeforeCure)
+            {
+                details.Add($"Bottom Wait Time Before Cure: {file.BottomWaitTimeBeforeCure} to {SlicerFile.BottomWaitTimeBeforeCure}");
+                file.BottomWaitTimeBeforeCure = SlicerFile.BottomWaitTimeBeforeCure;
+                changed = true;
+            }
+
+            if (file.CanUseWaitTimeBeforeCure && file.WaitTimeBeforeCure != SlicerFile.WaitTimeBeforeCure)
+            {
+                details.Add($"Wait Time Before Cure: {file.WaitTimeBeforeCure} to {SlicerFile.WaitTimeBeforeCure}");
+                file.WaitTimeBeforeCure = SlicerFile.WaitTimeBeforeCure;
+                changed = true;
+            }
+
+            if (file.CanUseBottomExposureTime && file.BottomExposureTime != SlicerFile.BottomExposureTime)
+            {
+                details.Add($"Bottom Exposure Time: {file.BottomExposureTime} to {SlicerFile.BottomExposureTime}");
+                file.BottomExposureTime = SlicerFile.BottomExposureTime;
+                changed = true;
+            }
+
+            if (file.CanUseExposureTime && file.ExposureTime != SlicerFile.ExposureTime)
+            {
+                details.Add($"Exposure Time: {file.ExposureTime} to {SlicerFile.ExposureTime}");
+                file.ExposureTime = SlicerFile.ExposureTime;
+                changed = true;
+            }
+
+            if (file.CanUseBottomWaitTimeAfterCure && file.BottomWaitTimeAfterCure != SlicerFile.BottomWaitTimeAfterCure)
+            {
+                details.Add($"Bottom Wait Time After Cure: {file.BottomWaitTimeAfterCure} to {SlicerFile.BottomWaitTimeAfterCure}");
+                file.BottomWaitTimeAfterCure = SlicerFile.BottomWaitTimeAfterCure;
+                changed = true;
+            }
+
+            if (file.CanUseWaitTimeAfterCure && file.WaitTimeAfterCure != SlicerFile.WaitTimeAfterCure)
+            {
+                details.Add($"Wait Time After Cure: {file.WaitTimeAfterCure} to {SlicerFile.WaitTimeAfterCure}");
+                file.WaitTimeAfterCure = SlicerFile.WaitTimeAfterCure;
+                changed = true;
+            }
+
+            if (file.CanUseBottomLiftHeight && file.BottomLiftHeight != SlicerFile.BottomLiftHeight)
+            {
+                details.Add($"Bottom Lift Height: {file.BottomLiftHeight} to {SlicerFile.BottomLiftHeight}");
+                file.BottomLiftHeight = SlicerFile.BottomLiftHeight;
+                changed = true;
+            }
+
+            if (file.CanUseBottomLiftSpeed && file.BottomLiftSpeed != SlicerFile.BottomLiftSpeed)
+            {
+                details.Add($"Bottom Lift Speed: {file.BottomLiftSpeed} to {SlicerFile.BottomLiftSpeed}");
+                file.BottomLiftSpeed = SlicerFile.BottomLiftSpeed;
+                changed = true;
+            }
+
+            if (file.CanUseLiftHeight && file.LiftHeight != SlicerFile.LiftHeight)
+            {
+                details.Add($"Lift Height: {file.LiftHeight} to {SlicerFile.LiftHeight}");
+                file.LiftHeight = SlicerFile.LiftHeight;
+                changed = true;
+            }
+
+            if (file.CanUseLiftSpeed && file.LiftSpeed != SlicerFile.LiftSpeed)
+            {
+                details.Add($"Lift Speed: {file.LiftSpeed} to {SlicerFile.LiftSpeed}");
+                file.LiftSpeed = SlicerFile.LiftSpeed;
+                changed = true;
+            }
+
+            if (file.CanUseBottomLiftHeight2 && file.BottomLiftHeight2 != SlicerFile.BottomLiftHeight2)
+            {
+                details.Add($"Bottom Lift Height 2: {file.BottomLiftHeight2} to {SlicerFile.BottomLiftHeight2}");
+                file.BottomLiftHeight2 = SlicerFile.BottomLiftHeight2;
+                changed = true;
+            }
+
+            if (file.CanUseBottomLiftSpeed2 && file.BottomLiftSpeed2 != SlicerFile.BottomLiftSpeed2)
+            {
+                details.Add($"Bottom Lift Speed2: {file.BottomLiftSpeed2} to {SlicerFile.BottomLiftSpeed2}");
+                file.BottomLiftSpeed2 = SlicerFile.BottomLiftSpeed2;
+                changed = true;
+            }
+
+            if (file.CanUseLiftHeight2 && file.LiftHeight2 != SlicerFile.LiftHeight2)
+            {
+                details.Add($"Lift Height 2: {file.LiftHeight2} to {SlicerFile.LiftHeight2}");
+                file.LiftHeight2 = SlicerFile.LiftHeight2;
+                changed = true;
+            }
+
+            if (file.CanUseLiftSpeed2 && file.LiftSpeed2 != SlicerFile.LiftSpeed2)
+            {
+                details.Add($"Lift Speed 2: {file.LiftSpeed2} to {SlicerFile.LiftSpeed2}");
+                file.LiftSpeed2 = SlicerFile.LiftSpeed2;
+                changed = true;
+            }
+
+            if (file.CanUseBottomWaitTimeAfterLift && file.BottomWaitTimeAfterLift != SlicerFile.BottomWaitTimeAfterLift)
+            {
+                details.Add($"Bottom Wait Time After Lift: {file.BottomWaitTimeAfterLift} to {SlicerFile.BottomWaitTimeAfterLift}");
+                file.BottomWaitTimeAfterLift = SlicerFile.BottomWaitTimeAfterLift;
+                changed = true;
+            }
+
+            if (file.CanUseWaitTimeAfterLift && file.WaitTimeAfterLift != SlicerFile.WaitTimeAfterLift)
+            {
+                details.Add($"Wait Time After Lift: {file.WaitTimeAfterLift} to {SlicerFile.WaitTimeAfterLift}");
+                file.WaitTimeAfterLift = SlicerFile.WaitTimeAfterLift;
+                changed = true;
+            }
+
+            if (file.CanUseBottomRetractSpeed && file.BottomRetractSpeed != SlicerFile.BottomRetractSpeed)
+            {
+                details.Add($"Bottom Retract Speed: {file.BottomRetractSpeed} to {SlicerFile.BottomRetractSpeed}");
+                file.BottomRetractSpeed = SlicerFile.BottomRetractSpeed;
+                changed = true;
+            }
+
+            if (file.CanUseRetractSpeed && file.RetractSpeed != SlicerFile.RetractSpeed)
+            {
+                details.Add($"Retract Speed: {file.RetractSpeed} to {SlicerFile.RetractSpeed}");
+                file.RetractSpeed = SlicerFile.RetractSpeed;
+                changed = true;
+            }
+
+            if (file.CanUseBottomRetractHeight2 && file.BottomRetractHeight2 != SlicerFile.BottomRetractHeight2)
+            {
+                details.Add($"Bottom Retract Height 2: {file.BottomRetractHeight2} to {SlicerFile.BottomRetractHeight2}");
+                file.BottomRetractHeight2 = SlicerFile.BottomRetractHeight2;
+                changed = true;
+            }
+
+            if (file.CanUseBottomRetractSpeed2 && file.BottomRetractSpeed2 != SlicerFile.BottomRetractSpeed2)
+            {
+                details.Add($"Bottom Retract Speed2: {file.BottomRetractSpeed2} to {SlicerFile.BottomRetractSpeed2}");
+                file.BottomRetractSpeed2 = SlicerFile.BottomRetractSpeed2;
+                changed = true;
+            }
+
+            if (file.CanUseRetractHeight2 && file.RetractHeight2 != SlicerFile.RetractHeight2)
+            {
+                details.Add($"Retract Height 2: {file.RetractHeight2} to {SlicerFile.RetractHeight2}");
+                file.RetractHeight2 = SlicerFile.RetractHeight2;
+                changed = true;
+            }
+
+            if (file.CanUseRetractSpeed2 && file.RetractSpeed2 != SlicerFile.RetractSpeed2)
+            {
+                details.Add($"Retract Speed 2: {file.RetractSpeed2} to {SlicerFile.RetractSpeed2}");
+                file.RetractSpeed2 = SlicerFile.RetractSpeed2;
+                changed = true;
+            }
+
+            if (file.CanUseBottomLightPWM && file.BottomLightPWM != SlicerFile.BottomLightPWM)
+            {
+                details.Add($"Bottom Light PWM: {file.BottomLightPWM} to {SlicerFile.BottomLightPWM}");
+                file.BottomLightPWM = SlicerFile.BottomLightPWM;
+                changed = true;
+            }
+
+            if (file.CanUseLightPWM && file.LightPWM != SlicerFile.LightPWM)
+            {
+                details.Add($"Light PWM: {file.LightPWM} to {SlicerFile.LightPWM}");
+                file.LightPWM = SlicerFile.LightPWM;
+                changed = true;
+            }
+
+            // if (file.CanUseXXX && file.XXX != SlicerFile.XXX)
+            // {
+            //     details.Add($"XXX: {file.XXX} to {SlicerFile.XXX}");
+            //     file.XXX = SlicerFile.XXX;
+            //     changed = true;
+            // }
+
+            // Bail out if not changed
+            if (!changed)
+            {
+                return new Tuple<ResultStatus, string, List<string>>(ResultStatus.Unchanged, filePath, null);
+            }
+
+            // Save the changed file
+            file.Save();
+
+            return new Tuple<ResultStatus, string, List<string>>(ResultStatus.Success, filePath, details);
+        }
+
+    }
+}

UVtools.WPF/Controls/Tools/ToolScriptingControl.axaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using Avalonia;
 using Avalonia.Controls;
@@ -39,7 +40,7 @@ namespace UVtools.WPF.Controls.Tools
             {
                 case ToolWindow.Callbacks.Init:
                 case ToolWindow.Callbacks.Loaded:
-                    ParentWindow.ButtonOkEnabled = Operation.CanExecute;
+                    if(ParentWindow is not null) ParentWindow.ButtonOkEnabled = Operation.CanExecute;
                     ReloadGUI();
                     Operation.PropertyChanged += (sender, e) =>
                     {
@@ -183,309 +184,309 @@ namespace UVtools.WPF.Controls.Tools
                 switch (variable)
                 {
                     case ScriptNumericalInput<sbyte> numSBYTE:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numSBYTE.Minimum,
-                                Maximum = numSBYTE.Maximum,
-                                Value = numSBYTE.Value,
-                                Increment = numSBYTE.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numSBYTE.Minimum,
+                            Maximum = numSBYTE.Maximum,
+                            Value = numSBYTE.Value,
+                            Increment = numSBYTE.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numSBYTE.Value = (sbyte)value;
-                                control.Value = numSBYTE.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numSBYTE.Value = (sbyte)value;
+                            control.Value = numSBYTE.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<byte> numBYTE:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numBYTE.Minimum,
-                                Maximum = numBYTE.Maximum,
-                                Value = numBYTE.Value,
-                                Increment = numBYTE.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numBYTE.Minimum,
+                            Maximum = numBYTE.Maximum,
+                            Value = numBYTE.Value,
+                            Increment = numBYTE.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numBYTE.Value = (byte)value;
-                                control.Value = numBYTE.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numBYTE.Value = (byte)value;
+                            control.Value = numBYTE.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<short> numSHORT:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numSHORT.Minimum,
-                                Maximum = numSHORT.Maximum,
-                                Value = numSHORT.Value,
-                                Increment = numSHORT.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numSHORT.Minimum,
+                            Maximum = numSHORT.Maximum,
+                            Value = numSHORT.Value,
+                            Increment = numSHORT.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numSHORT.Value = (short)value;
-                                control.Value = numSHORT.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numSHORT.Value = (short)value;
+                            control.Value = numSHORT.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<ushort> numUSHORT:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numUSHORT.Minimum,
-                                Maximum = numUSHORT.Maximum,
-                                Value = numUSHORT.Value,
-                                Increment = numUSHORT.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numUSHORT.Minimum,
+                            Maximum = numUSHORT.Maximum,
+                            Value = numUSHORT.Value,
+                            Increment = numUSHORT.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numUSHORT.Value = (ushort)value;
-                                control.Value = numUSHORT.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numUSHORT.Value = (ushort)value;
+                            control.Value = numUSHORT.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<int> numINT:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numINT.Minimum,
-                                Maximum = numINT.Maximum,
-                                Value = numINT.Value,
-                                Increment = numINT.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numINT.Minimum,
+                            Maximum = numINT.Maximum,
+                            Value = numINT.Value,
+                            Increment = numINT.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numINT.Value = (int)value;
-                                control.Value = numINT.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numINT.Value = (int)value;
+                            control.Value = numINT.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<uint> numUINT:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numUINT.Minimum,
-                                Maximum = numUINT.Maximum,
-                                Value = numUINT.Value,
-                                Increment = numUINT.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numUINT.Minimum,
+                            Maximum = numUINT.Maximum,
+                            Value = numUINT.Value,
+                            Increment = numUINT.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numUINT.Value = (uint)value;
-                                control.Value = numUINT.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numUINT.Value = (uint)value;
+                            control.Value = numUINT.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<long> numLONG:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numLONG.Minimum,
-                                Maximum = numLONG.Maximum,
-                                Value = numLONG.Value,
-                                Increment = numLONG.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numLONG.Minimum,
+                            Maximum = numLONG.Maximum,
+                            Value = numLONG.Value,
+                            Increment = numLONG.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numLONG.Value = (long)value;
-                                control.Value = numLONG.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numLONG.Value = (long)value;
+                            control.Value = numLONG.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<ulong> numULONG:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numULONG.Minimum,
-                                Maximum = numULONG.Maximum,
-                                Value = numULONG.Value,
-                                Increment = numULONG.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numULONG.Minimum,
+                            Maximum = numULONG.Maximum,
+                            Value = numULONG.Value,
+                            Increment = numULONG.Increment,
+                            MinWidth = 150
+                        };
 
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numULONG.Value = (ulong)value;
-                                control.Value = numULONG.Value;
-                            });
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numULONG.Value = (ulong)value;
+                            control.Value = numULONG.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            continue;
-                        }
+                        continue;
+                    }
                     case ScriptNumericalInput<float> numFLOAT:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numFLOAT.Minimum,
-                                Maximum = numFLOAT.Maximum,
-                                Value = numFLOAT.Value,
-                                Increment = numFLOAT.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numFLOAT.Minimum,
+                            Maximum = numFLOAT.Maximum,
+                            Value = numFLOAT.Value,
+                            Increment = numFLOAT.Increment,
+                            MinWidth = 150
+                        };
 
-                            if (numFLOAT.DecimalPlates > 0)
-                            {
-                                control.FormatString = $"F{numFLOAT.DecimalPlates}";
-                            }
-
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numFLOAT.Value = (float) Math.Round(value, numFLOAT.DecimalPlates);
-                                control.Value = numFLOAT.Value;
-                            });
-
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
-
-                            continue;
+                        if (numFLOAT.DecimalPlates > 0)
+                        {
+                            control.FormatString = $"F{numFLOAT.DecimalPlates}";
                         }
+
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numFLOAT.Value = (float) Math.Round(value, numFLOAT.DecimalPlates);
+                            control.Value = numFLOAT.Value;
+                        });
+
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
+
+                        continue;
+                    }
                     case ScriptNumericalInput<double> numDOUBLE:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = numDOUBLE.Minimum,
-                                Maximum = numDOUBLE.Maximum,
-                                Value = numDOUBLE.Value,
-                                Increment = numDOUBLE.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = numDOUBLE.Minimum,
+                            Maximum = numDOUBLE.Maximum,
+                            Value = numDOUBLE.Value,
+                            Increment = numDOUBLE.Increment,
+                            MinWidth = 150
+                        };
 
-                            if (numDOUBLE.DecimalPlates > 0)
-                            {
-                                control.FormatString = $"F{numDOUBLE.DecimalPlates}";
-                            }
-
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numDOUBLE.Value = Math.Round(value, numDOUBLE.DecimalPlates);
-                                control.Value = numDOUBLE.Value;
-                            });
-
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
-
-                            continue;
+                        if (numDOUBLE.DecimalPlates > 0)
+                        {
+                            control.FormatString = $"F{numDOUBLE.DecimalPlates}";
                         }
+
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numDOUBLE.Value = Math.Round(value, numDOUBLE.DecimalPlates);
+                            control.Value = numDOUBLE.Value;
+                        });
+
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
+
+                        continue;
+                    }
                     case ScriptNumericalInput<decimal> numDECIMAL:
+                    {
+                        NumericUpDown control = new()
                         {
-                            NumericUpDown control = new()
-                            {
-                                Minimum = (double)numDECIMAL.Minimum,
-                                Maximum = (double)numDECIMAL.Maximum,
-                                Value = (double)numDECIMAL.Value,
-                                Increment = (double)numDECIMAL.Increment,
-                                MinWidth = 150
-                            };
+                            Minimum = (double)numDECIMAL.Minimum,
+                            Maximum = (double)numDECIMAL.Maximum,
+                            Value = (double)numDECIMAL.Value,
+                            Increment = (double)numDECIMAL.Increment,
+                            MinWidth = 150
+                        };
 
-                            if (numDECIMAL.DecimalPlates > 0)
-                            {
-                                control.FormatString = $"F{numDECIMAL.DecimalPlates}";
-                            }
-
-                            var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                numDECIMAL.Value = (decimal)Math.Round(value, numDECIMAL.DecimalPlates);
-                                control.Value = (double)numDECIMAL.Value;
-                            });
-
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
-
-                            continue;
+                        if (numDECIMAL.DecimalPlates > 0)
+                        {
+                            control.FormatString = $"F{numDECIMAL.DecimalPlates}";
                         }
+
+                        var valueProperty = control.GetObservable(NumericUpDown.ValueProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            numDECIMAL.Value = (decimal)Math.Round(value, numDECIMAL.DecimalPlates);
+                            control.Value = (double)numDECIMAL.Value;
+                        });
+
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
+
+                        continue;
+                    }
                     case ScriptCheckBoxInput inputCheckBox:
+                    {
+                        var control = new CheckBox
                         {
-                            CheckBox control = new()
-                            {
-                                Content = variable.Label,
-                                IsChecked = inputCheckBox.Value
-                            };
+                            Content = variable.Label,
+                            IsChecked = inputCheckBox.Value
+                        };
 
-                            var valueProperty = control.GetObservable(CheckBox.IsCheckedProperty);
-                            valueProperty.Subscribe(value =>
-                            {
-                                if (value != null) inputCheckBox.Value = value.Value;
-                            });
+                        var valueProperty = control.GetObservable(CheckBox.IsCheckedProperty);
+                        valueProperty.Subscribe(value =>
+                        {
+                            if (value != null) inputCheckBox.Value = value.Value;
+                        });
 
-                            _scriptVariablesGrid.Children.Add(control);
-                            Grid.SetRow(control, i * 2);
-                            Grid.SetColumn(control, 2);
+                        _scriptVariablesGrid.Children.Add(control);
+                        Grid.SetRow(control, i * 2);
+                        Grid.SetColumn(control, 2);
 
-                            if (!string.IsNullOrWhiteSpace(variable.ToolTip))
-                            {
-                                ToolTip.SetTip(control, variable.ToolTip);
-                            }
-
-                            continue;
+                        if (!string.IsNullOrWhiteSpace(variable.ToolTip))
+                        {
+                            ToolTip.SetTip(control, variable.ToolTip);
                         }
+
+                        continue;
+                    }
                     case ScriptTextBoxInput inputTextBox:
                     {
                         TextBox control = new()
@@ -506,10 +507,169 @@ namespace UVtools.WPF.Controls.Tools
 
                         continue;
                     }
+                    case ScriptOpenFolderDialogInput inputOpenFolder:
+                    {
+                        var panel = new StackPanel
+                        {
+                            Orientation = Orientation.Horizontal,
+                            Spacing = 5
+                        };
+
+                        var control = new TextBox
+                        {
+                            IsReadOnly = true,
+                            Text = inputOpenFolder.Value,
+                        };
+
+                        var button = new Button
+                        {
+                            Content = "Select",
+                        };
+
+                        button.Click += async (sender, args) => 
+                        {
+                            var dialog = new OpenFolderDialog
+                            {
+                                Directory = inputOpenFolder.Value,
+                                Title = inputOpenFolder.Title
+                            };
+                            var result = await dialog.ShowAsync(ParentWindow);
+                            if (!string.IsNullOrWhiteSpace(result))
+                            {
+                                inputOpenFolder.Value = result;
+                                control.Text = result;
+                            }
+                        };
+
+                        panel.Children.Add(control);
+                        panel.Children.Add(button);
+
+                        _scriptVariablesGrid.Children.Add(panel);
+                        Grid.SetRow(panel, i * 2);
+                        Grid.SetColumn(panel, 2);
+
+                        continue;
+                    }
+                    case ScriptSaveFileDialogInput inputSaveFile:
+                    {
+                        var panel = new StackPanel
+                        {
+                            Orientation = Orientation.Horizontal,
+                            Spacing = 5
+                        };
+
+                        var control = new TextBox
+                        {
+                            IsReadOnly = true,
+                            Text = inputSaveFile.Value,
+                        };
+
+                        var button = new Button
+                        {
+                            Content = "Select",
+                        };
+
+                        button.Click += async (sender, args) =>
+                        {
+                            var dialog = new SaveFileDialog
+                            {
+                                Directory = inputSaveFile.Value,
+                                Title = inputSaveFile.Title,
+                                DefaultExtension = inputSaveFile.DefaultExtension,
+                                InitialFileName = inputSaveFile.InitialFilename
+                            };
+
+                            if (inputSaveFile.Filters is not null)
+                            {
+                                foreach (var filter in inputSaveFile.Filters)
+                                {
+                                    dialog.Filters.Add(new FileDialogFilter
+                                    {
+                                        Extensions = filter.Extensions,
+                                        Name = filter.Name
+                                    });
+                                }
+                            }
+
+                            var result = await dialog.ShowAsync(ParentWindow);
+                            if (!string.IsNullOrWhiteSpace(result))
+                            {
+                                inputSaveFile.Value = result;
+                                control.Text = result;
+                            }
+                        };
+
+                        panel.Children.Add(control);
+                        panel.Children.Add(button);
+
+                        _scriptVariablesGrid.Children.Add(panel);
+                        Grid.SetRow(panel, i * 2);
+                        Grid.SetColumn(panel, 2);
+
+                        continue;
+                    }
+                    case ScriptOpenFileDialogInput inputOpenFile:
+                        {
+                            var panel = new StackPanel
+                            {
+                                Orientation = Orientation.Horizontal,
+                                Spacing = 5
+                            };
+
+                            var control = new TextBox
+                            {
+                                IsReadOnly = true,
+                                Text = inputOpenFile.Value,
+                                AcceptsReturn = true,
+                            };
+
+                            var button = new Button
+                            {
+                                Content = "Select",
+                            };
+
+                            button.Click += async (sender, args) =>
+                            {
+                                var dialog = new OpenFileDialog
+                                {
+                                    Directory = inputOpenFile.Value,
+                                    Title = inputOpenFile.Title,
+                                    AllowMultiple = inputOpenFile.AllowMultiple,
+                                    InitialFileName = inputOpenFile.InitialFilename
+                                };
+
+                                if (inputOpenFile.Filters is not null)
+                                {
+                                    foreach (var filter in inputOpenFile.Filters)
+                                    {
+                                        dialog.Filters.Add(new FileDialogFilter
+                                        {
+                                            Extensions = filter.Extensions,
+                                            Name = filter.Name
+                                        });
+                                    }
+                                }
+
+                                var result = await dialog.ShowAsync(ParentWindow);
+                                if (result is null || result.Length == 0) return;
+                                inputOpenFile.Value = result[0];
+                                inputOpenFile.Files = result;
+                                control.Text = string.Join('\n', result);
+                            };
+
+                            panel.Children.Add(control);
+                            panel.Children.Add(button);
+
+                            _scriptVariablesGrid.Children.Add(panel);
+                            Grid.SetRow(panel, i * 2);
+                            Grid.SetColumn(panel, 2);
+
+                            continue;
+                        }
                 }
             }
 
-            ParentWindow.FitToSize();
+            ParentWindow?.FitToSize();
         }
     }
 }

UVtools.WPF/LayerCache.cs

@@ -36,6 +36,7 @@ namespace UVtools.WPF
                 Clear();
                 _layer = value;
                 Image = _layer.LayerMat;
+                if (Image is null) return;
                 ImageBgr = new Mat();
                 CvInvoke.CvtColor(Image, ImageBgr, ColorConversion.Gray2Bgr);
 

UVtools.WPF/MainWindow.Issues.cs

@@ -24,6 +24,7 @@ using MoreLinq;
 using UVtools.Core;
 using UVtools.Core.EmguCV;
 using UVtools.Core.Extensions;
+using UVtools.Core.FileFormats;
 using UVtools.Core.Layers;
 using UVtools.Core.Operations;
 using UVtools.WPF.Extensions;
@@ -467,6 +468,13 @@ namespace UVtools.WPF
         public async Task OnClickDetectIssues()
         {
             if (!IsFileLoaded) return;
+            if (SlicerFile.DecodeType == FileFormat.FileDecodeType.Partial)
+            {
+                await this.MessageBoxError("The file was open in partial mode and the detect issues is unable to run in this mode.\n" +
+                                           "Please reload the file in full mode in order to use detect issues.", "Unable to run in partial mode");
+                return;
+
+            }
             await ComputeIssues(
                 GetIslandDetectionConfiguration(),
                 GetOverhangDetectionConfiguration(),

UVtools.WPF/MainWindow.LayerPreview.cs

@@ -799,7 +799,11 @@ namespace UVtools.WPF
 
             var watch = Stopwatch.StartNew();
             LayerCache.Layer = SlicerFile[_actualLayer];
-            
+            if (LayerCache.Image is null)
+            {
+                RefreshCurrentLayerData();
+                return;
+            }
             try
             {
                 //var imageSpan = LayerCache.Image.GetPixelSpan<byte>();
@@ -1304,9 +1308,6 @@ namespace UVtools.WPF
                     CvInvoke.Rotate(LayerCache.ImageBgr, LayerCache.ImageBgr, _showLayerImageRotateCcwDirection ? RotateFlags.Rotate90CounterClockwise : RotateFlags.Rotate90Clockwise);
                 }
 
-                
-
-
                 LayerImageBox.Image = LayerCache.Bitmap = LayerCache.ImageBgr.ToBitmap();
                 
                 RefreshCurrentLayerData();

UVtools.WPF/MainWindow.axaml

@@ -43,6 +43,13 @@
                   <Image Source="\Assets\Icons\file-import-16x16.png"/>
               </MenuItem.Icon>
           </MenuItem>
+          <MenuItem Name="MainMenu.File.OpenInPartialMode" Header="Open in partial mode" Command="{Binding MenuFileOpenInPartialModeClicked}"
+                    ToolTip.Tip="Open a file only to see and/or edit properties.
+&#x0a;Layer images won't be loaded and most tools won't run in this mode.">
+              <MenuItem.Icon>
+                  <Image Source="\Assets\Icons\file-import-16x16.png"/>
+              </MenuItem.Icon>
+          </MenuItem>
         <MenuItem 
           Name="MainMenu.File.Reload" 
           Header="_Reload" 

UVtools.WPF/MainWindow.axaml.cs

@@ -584,8 +584,7 @@ namespace UVtools.WPF
                     menuTool.Click += async (sender, args) => await ShowRunOperation(operation.GetType());
                 }
             }
-
-
+            
             /*LayerSlider.PropertyChanged += (sender, args) =>
             {
                 Debug.WriteLine(args.Property.Name);
@@ -1146,6 +1145,7 @@ namespace UVtools.WPF
 
         public void MenuFileOpenClicked() => OpenFile();
         public void MenuFileOpenNewWindowClicked() => OpenFile(true);
+        public void MenuFileOpenInPartialModeClicked() => OpenFile(false, FileFormat.FileDecodeType.Partial);
 
         public void MenuFileOpenCurrentFileFolderClicked()
         {
@@ -1196,7 +1196,7 @@ namespace UVtools.WPF
             await SaveFile(file);
         }
 
-        public async void OpenFile(bool newWindow = false)
+        public async void OpenFile(bool newWindow = false, FileFormat.FileDecodeType fileDecodeType = FileFormat.FileDecodeType.Full)
         {
             var filters = Helpers.ToAvaloniaFileFilter(FileFormat.AllFileFiltersAvalonia);
             var orderedFilters = new List<FileDialogFilter> {filters[Settings.General.DefaultOpenFileExtensionIndex]};
@@ -1213,7 +1213,7 @@ namespace UVtools.WPF
                 Directory = Settings.General.DefaultDirectoryOpenFile
             };
             var files = await dialog.ShowAsync(this);
-            ProcessFiles(files, newWindow);
+            ProcessFiles(files, newWindow, fileDecodeType);
         }
 
         public async void OnMenuFileCloseFile()
@@ -1386,19 +1386,36 @@ namespace UVtools.WPF
 
         private void UpdateTitle()
         {
-            Title = SlicerFile is null
-                    ? $"{About.Software}   Version: {App.VersionStr}"
-                    : $"{About.Software}   File: {Path.GetFileName(SlicerFile.FileFullPath)} ({Math.Round(LastStopWatch.ElapsedMilliseconds / 1000m, 2)}s)   Version: {App.VersionStr}"
-                    ;
+            var title = $"{About.Software}   ";
 
-            Title += $"   RAM: {SizeExtensions.SizeSuffix(Environment.WorkingSet)}";
+            if (IsFileLoaded)
+            {
+                title += $"File: {Path.GetFileName(SlicerFile.FileFullPath)} ({Math.Round(LastStopWatch.ElapsedMilliseconds / 1000m, 2)}s)   ";
+            }
+
+            title += $"Version: {App.VersionStr}   RAM: {SizeExtensions.SizeSuffix(Environment.WorkingSet)}";
+
+            if (IsFileLoaded)
+            {
+                if (CanSave)
+                {
+                    title += "   [UNSAVED]";
+                }
+
+                if (SlicerFile.DecodeType == FileFormat.FileDecodeType.Partial)
+                {
+                    title += "   [PARTIAL MODE]";
+                }
+            }
 
 #if DEBUG
-            Title += "   [DEBUG]";
+            title += "   [DEBUG]";
 #endif
+
+            Title = title;
         }
 
-        public async void ProcessFiles(string[] files, bool openNewWindow = false)
+        public async void ProcessFiles(string[] files, bool openNewWindow = false, FileFormat.FileDecodeType fileDecodeType = FileFormat.FileDecodeType.Full)
         {
             if (files is null || files.Length == 0) return;
 
@@ -1436,7 +1453,7 @@ namespace UVtools.WPF
 
                 if (i == 0 && !openNewWindow && (_globalModifiers & KeyModifiers.Shift) == 0)
                 {
-                    ProcessFile(files[i]);
+                    ProcessFile(files[i], fileDecodeType);
                     continue;
                 }
 
@@ -1450,10 +1467,11 @@ namespace UVtools.WPF
         void ReloadFile(uint actualLayer)
         {
             if (App.SlicerFile is null) return;
-            ProcessFile(SlicerFile.FileFullPath, _actualLayer);
+            ProcessFile(SlicerFile.FileFullPath, SlicerFile.DecodeType, _actualLayer);
         }
 
-        async void ProcessFile(string fileName, uint actualLayer = 0)
+        void ProcessFile(string fileName, uint actualLayer = 0) => ProcessFile(fileName, FileFormat.FileDecodeType.Full, actualLayer);
+        async void ProcessFile(string fileName, FileFormat.FileDecodeType fileDecodeType, uint actualLayer = 0)
         {
             if (!File.Exists(fileName)) return;
             CloseFile();
@@ -1468,7 +1486,7 @@ namespace UVtools.WPF
             {
                 try
                 {
-                    SlicerFile.Decode(fileName, Progress);
+                    SlicerFile.Decode(fileName, fileDecodeType, Progress);
                     return true;
                 }
                 catch (OperationCanceledException)
@@ -1507,7 +1525,7 @@ namespace UVtools.WPF
                 return;
             }
 
-            if (Settings.Automations.AutoConvertFiles)
+            if (Settings.Automations.AutoConvertFiles && SlicerFile.DecodeType == FileFormat.FileDecodeType.Full)
             {
                 string convertFileExtension = SlicerFile switch
                 {
@@ -1626,7 +1644,7 @@ namespace UVtools.WPF
 
             Clipboard.Init(SlicerFile);
 
-            if (SlicerFile is not ImageFile)
+            if (SlicerFile is not ImageFile && SlicerFile.DecodeType == FileFormat.FileDecodeType.Full)
             {
                 List<MenuItem> menuItems = new();
                 foreach (var fileFormat in FileFormat.AvailableFormats)
@@ -1664,7 +1682,7 @@ namespace UVtools.WPF
                 MenuFileConvertItems = menuItems.ToArray();
             }
 
-            using var mat = SlicerFile[0].LayerMat;
+            using var mat = SlicerFile.FirstLayer?.LayerMat;
 
             VisibleThumbnailIndex = 1;
 
@@ -1672,7 +1690,6 @@ namespace UVtools.WPF
 
             UpdateTitle();
 
-
             if (mat is not null)
             {
                 if (Settings.LayerPreview.AutoRotateLayerBestView)
@@ -1726,7 +1743,7 @@ namespace UVtools.WPF
                     "Incorrect image ratio detected");
             }
 
-            if (mat.Size != SlicerFile.Resolution)
+            if (mat is not null && mat.Size != SlicerFile.Resolution)
             {
                 var result = await this.MessageBoxWaring($"Layer image resolution of {mat.Size} mismatch with printer resolution of {SlicerFile.Resolution}.\n" +
                                             "1) Printing this file can lead to problems or malformed model, please verify your slicer printer settings;\n" +
@@ -1747,29 +1764,32 @@ namespace UVtools.WPF
                 UpdateLayerTrackerHighlightIssues();
             };
 
-            if (Settings.Issues.ComputeIssuesOnLoad)
+            if (SlicerFile.DecodeType == FileFormat.FileDecodeType.Full)
             {
-                _firstTimeOnIssues = false;
-                await OnClickDetectIssues();
-                if (SlicerFile.IssueManager.Count > 0)
+                if (Settings.Issues.ComputeIssuesOnLoad)
                 {
-                    SelectedTabItem = TabIssues;
-                    if(Settings.Issues.AutoRepairIssuesOnLoad)
-                        await RunOperation(ToolRepairLayersControl.GetOperationRepairLayers());
+                    _firstTimeOnIssues = false;
+                    await OnClickDetectIssues();
+                    if (SlicerFile.IssueManager.Count > 0)
+                    {
+                        SelectedTabItem = TabIssues;
+                        if (Settings.Issues.AutoRepairIssuesOnLoad)
+                            await RunOperation(ToolRepairLayersControl.GetOperationRepairLayers());
+                    }
                 }
-            }
-            else
-            {
-                await ComputeIssues(
-                    GetIslandDetectionConfiguration(false),
-                    GetOverhangDetectionConfiguration(false),
-                    GetResinTrapDetectionConfiguration(false),
-                    GetTouchingBoundsDetectionConfiguration(false),
-                    GetPrintHeightDetectionConfiguration(true),
-                    true);
-                if (SlicerFile.IssueManager.Count > 0)
+                else
                 {
-                    SelectedTabItem = TabIssues;
+                    await ComputeIssues(
+                        GetIslandDetectionConfiguration(false),
+                        GetOverhangDetectionConfiguration(false),
+                        GetResinTrapDetectionConfiguration(false),
+                        GetTouchingBoundsDetectionConfiguration(false),
+                        GetPrintHeightDetectionConfiguration(true),
+                        true);
+                    if (SlicerFile.IssueManager.Count > 0)
+                    {
+                        SelectedTabItem = TabIssues;
+                    }
                 }
             }
 
@@ -2066,6 +2086,13 @@ namespace UVtools.WPF
                 return null;
             }
 
+            if (SlicerFile.DecodeType == FileFormat.FileDecodeType.Partial && !control.BaseOperation.CanRunInPartialMode)
+            {
+                await this.MessageBoxError($"The file was open in partial mode and the tool \"{control.BaseOperation.Title}\" is unable to run in this mode.\n" +
+                                           "Please reload the file in full mode in order to use this tool.", "Unable to run in partial mode");
+                return null;
+            }
+
             if (removeContent)
             {
                 control.IsVisible = false;

UVtools.WPF/UVtools.WPF.csproj

@@ -12,7 +12,7 @@
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <RepositoryUrl>https://github.com/sn4k3/UVtools</RepositoryUrl>
     <RepositoryType>Git</RepositoryType>
-    <Version>2.24.4</Version>
+    <Version>2.25.0</Version>
     <Platforms>AnyCPU;x64</Platforms>
   </PropertyGroup>