Completely removed GDI

.forgejo/workflows/build-catalog-lite.yml

@@ -8,11 +8,6 @@ on:
         required: true
         default: '2026-12-31'
         type: string
-      publish_release:
-        description: Publish Forgejo release when running on a tag ref
-        required: true
-        default: false
-        type: boolean
 
 env:
   DOTNET_VERSION: 10.0.x
@@ -28,8 +23,10 @@ jobs:
         include:
           - runtime: win-x64
             artifact_name: catalog-lite-win-x64
+            executable_name: CatalogLite.exe
           - runtime: linux-x64
             artifact_name: catalog-lite-linux-x64
+            executable_name: CatalogLite
 
     steps:
       - name: Checkout
@@ -62,12 +59,15 @@ jobs:
           dotnet publish "${{ env.PROJECT_PATH }}" \
             -c Release \
             -r "${{ matrix.runtime }}" \
-            --self-contained true \
+            --self-contained false \
             --no-restore \
             -p:CatalogLiteExpirationDate="${CATALOG_LITE_EXPIRATION_DATE}" \
             -p:PublishSingleFile=true \
+            -p:SelfContained=false \
+            -p:IncludeNativeLibrariesForSelfExtract=true \
             -p:PublishTrimmed=false \
             -p:PublishReadyToRun=false \
+            -p:DebugType=embedded \
             -o "${PUBLISH_DIR}"
 
       - name: Validate published files
@@ -75,14 +75,23 @@ jobs:
           PUBLISH_DIR: artifacts/publish/${{ matrix.runtime }}
         run: |
           set -eu
-          if [ "${{ matrix.runtime }}" = "win-x64" ]; then
+          executable="${PUBLISH_DIR}/${{ matrix.executable_name }}"
-            file_count="$(find "${PUBLISH_DIR}" -maxdepth 1 -type f -iname '*.exe' | wc -l | tr -d ' ')"
+          if [ ! -f "${executable}" ]; then
-          else
+            echo "Catalog Lite executable was not produced: ${executable}"
-            file_count="$(find "${PUBLISH_DIR}" -maxdepth 1 -type f -name 'CatalogLite' | wc -l | tr -d ' ')"
+            exit 1
           fi
 
-          if [ "${file_count}" -eq 0 ]; then
+          loose_library_count="$(find "${PUBLISH_DIR}" -maxdepth 1 -type f \( -iname '*.dll' -o -name '*.so' -o -name '*.dylib' \) | wc -l | tr -d ' ')"
-            echo "No Catalog Lite executable produced in ${PUBLISH_DIR}"
+          if [ "${loose_library_count}" -ne 0 ]; then
+            echo "Catalog Lite publish must not contain loose native or managed libraries:"
+            find "${PUBLISH_DIR}" -maxdepth 1 -type f \( -iname '*.dll' -o -name '*.so' -o -name '*.dylib' \) -print
+            exit 1
+          fi
+
+          extra_file_count="$(find "${PUBLISH_DIR}" -maxdepth 1 -type f ! -name "${{ matrix.executable_name }}" | wc -l | tr -d ' ')"
+          if [ "${extra_file_count}" -ne 0 ]; then
+            echo "Catalog Lite publish artifact must contain only ${{ matrix.executable_name }}:"
+            find "${PUBLISH_DIR}" -maxdepth 1 -type f ! -name "${{ matrix.executable_name }}" -print
             exit 1
           fi
 
@@ -90,11 +99,10 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: ${{ matrix.artifact_name }}
-          path: artifacts/publish/${{ matrix.runtime }}
+          path: artifacts/publish/${{ matrix.runtime }}/${{ matrix.executable_name }}
           if-no-files-found: error
 
   release:
-    if: inputs.publish_release && startsWith(forgejo.ref, 'refs/tags/')
     needs: build
     runs-on: docker
     env:
@@ -107,12 +115,6 @@ jobs:
           name: catalog-lite-win-x64
           path: artifacts/release/win-x64
 
-      - name: Download Linux artifact
-        uses: actions/download-artifact@v3
-        with:
-          name: catalog-lite-linux-x64
-          path: artifacts/release/linux-x64
-
       - name: Validate release token
         run: |
           set -eu
@@ -125,8 +127,10 @@ jobs:
         run: |
           set -eu
           api_base="${FORGEJO_SERVER_URL%/}/api/v1/repos/${FORGEJO_REPOSITORY}"
-          tag="${FORGEJO_REF_NAME}"
+          tag="catalog-lite-${CATALOG_LITE_EXPIRATION_DATE}"
-          create_payload="$(printf '{"tag_name":"%s","name":"%s","body":"Catalog Lite\\n\\nScadenza build: %s","draft":false,"prerelease":false}' "${tag}" "${tag}" "${CATALOG_LITE_EXPIRATION_DATE}")"
+          name="Catalog Lite ${CATALOG_LITE_EXPIRATION_DATE}"
+          commit="${FORGEJO_SHA:-${GITHUB_SHA:-}}"
+          create_payload="$(printf '{"tag_name":"%s","target_commitish":"%s","name":"%s","body":"Catalog Lite\\n\\nScadenza build: %s","draft":false,"prerelease":false}' "${tag}" "${commit}" "${name}" "${CATALOG_LITE_EXPIRATION_DATE}")"
           update_payload="$(printf '{"body":"Catalog Lite\\n\\nScadenza build: %s"}' "${CATALOG_LITE_EXPIRATION_DATE}")"
 
           http_code="$(curl -sS -o release.json -w '%{http_code}' \
@@ -169,23 +173,25 @@ jobs:
         run: |
           set -eu
           api_base="${FORGEJO_SERVER_URL%/}/api/v1/repos/${FORGEJO_REPOSITORY}"
-          short_sha="$(printf '%s' "${FORGEJO_SHA}" | cut -c1-12)"
 
           windows_exe="$(find artifacts/release/win-x64 -maxdepth 1 -type f -iname '*.exe' | head -n1)"
-          linux_exe="$(find artifacts/release/linux-x64 -maxdepth 1 -type f -name 'CatalogLite' | head -n1)"
 
           if [ -z "${windows_exe}" ]; then
             echo "No Windows executable found in downloaded artifact"
             exit 1
           fi
 
-          if [ -z "${linux_exe}" ]; then
+          curl -fsS \
-            echo "No Linux executable found in downloaded artifact"
+            -H "Authorization: token ${FORGEJO_TOKEN}" \
-            exit 1
+            "${api_base}/releases/${RELEASE_ID}/assets" \
-          fi
+            -o assets.json
 
-          linux_archive="CatalogLite-linux-x64-${FORGEJO_REF_NAME}-${short_sha}.tar.gz"
+          for asset_id in $(tr '{' '\n' < assets.json | sed -n 's/.*"id":\([0-9][0-9]*\).*"name":"[^"]*".*/\1/p'); do
-          tar -czf "${linux_archive}" -C "$(dirname "${linux_exe}")" "$(basename "${linux_exe}")"
+            curl -fsS \
+              -H "Authorization: token ${FORGEJO_TOKEN}" \
+              -X DELETE \
+              "${api_base}/releases/${RELEASE_ID}/assets/${asset_id}"
+          done
 
           upload_asset() {
             asset_path="$1"
@@ -197,5 +203,4 @@ jobs:
               "${api_base}/releases/${RELEASE_ID}/assets?name=${asset_name}"
           }
 
-          upload_asset "${windows_exe}" "CatalogLite-win-x64-${FORGEJO_REF_NAME}-${short_sha}.exe"
+          upload_asset "${windows_exe}" "CatalogLite-${CATALOG_LITE_EXPIRATION_DATE}.exe"
-          upload_asset "${linux_archive}" "${linux_archive}"

.forgejo/workflows/build-windows-avalonia.yml

@@ -91,6 +91,13 @@ jobs:
             exit 1
           fi
 
+          legacy_renderer_count="$(find "${{ env.PUBLISH_DIR }}" -maxdepth 1 -type f \( -iname 'Microsoft.Windows.Compatibility.dll' -o -iname 'System.Private.Windows.GdiPlus.dll' \) | wc -l | tr -d ' ')"
+          if [ "${legacy_renderer_count}" -ne 0 ]; then
+            echo "Legacy GDI compatibility assemblies must not be published:"
+            find "${{ env.PUBLISH_DIR }}" -maxdepth 1 -type f \( -iname 'Microsoft.Windows.Compatibility.dll' -o -iname 'System.Private.Windows.GdiPlus.dll' \) -print
+            exit 1
+          fi
+
       - name: Upload publish artifact
         uses: actions/upload-artifact@v3
         with:

.forgejo/workflows/release-windows-avalonia.yml

@@ -82,6 +82,13 @@ jobs:
             exit 1
           fi
 
+          legacy_renderer_count="$(find "${{ env.PUBLISH_DIR }}" -maxdepth 1 -type f \( -iname 'Microsoft.Windows.Compatibility.dll' -o -iname 'System.Private.Windows.GdiPlus.dll' \) | wc -l | tr -d ' ')"
+          if [ "${legacy_renderer_count}" -ne 0 ]; then
+            echo "Legacy GDI compatibility assemblies must not be published:"
+            find "${{ env.PUBLISH_DIR }}" -maxdepth 1 -type f \( -iname 'Microsoft.Windows.Compatibility.dll' -o -iname 'System.Private.Windows.GdiPlus.dll' \) -print
+            exit 1
+          fi
+
       - name: Upload publish artifact
         uses: actions/upload-artifact@v3
         with:

.github/copilot-instructions.md

@@ -42,21 +42,17 @@ The main app launches Avalonia directly. Dialog events (`SelectSourceFolderReque
 1. User configures paths/settings in the UI (`DataModel.cs` — MVVM ViewModel)
 2. `ProcessImagesCommand` triggers `ImageCreationService`
 3. `ImageCreationService` processes files in parallel chunks, with configurable concurrency and batch size (GC flush between chunks)
-4. Each file is handled by an `IImageCreator` implementation (GDI+ or ImageSharp)
+4. Each file is handled by the ImageSharp `IImageCreator` implementation
 5. Output: resized/watermarked/overlaid images written to a destination folder hierarchy
 
 ### Key Abstractions (MaddoShared)
 
-- **`IImageCreator`** — single async method to process one image; two implementations: `ImageCreatorGDI` (System.Drawing) and `ImageCreatorSharp` (SixLabors.ImageSharp)
+- **`IImageCreator`** — single async method to process one image; implemented by `ImageCreatorImageSharp` (SixLabors.ImageSharp)
 - **`ImageCreationService`** — parallel orchestrator; uses `AsyncEnumerator` with chunking; loads logo once, clones per thread for thread safety
 - **`ImageState`** — per-file processing context (input path, EXIF orientation, thumbnail sizes, overlays, logo, rotation)
-- **`PicSettings`** — 50+ property configuration model (dimensions, fonts, colors, JPEG quality, watermark, logo positioning, `ImageCreatorProvider` selector)
+- **`PicSettings`** — 50+ property configuration model (dimensions, fonts, colors, JPEG quality, watermark, logo positioning)
 - **`FileHelperSharp`** — recursive file enumeration with folder-per-N-files mapping and counter formatting
 
-### Implementation Selection
-
-`PicSettings.ImageCreatorProvider` switches between `"Sharp"` (SixLabors.ImageSharp) and `"Alternate"` (GDI+) at runtime.
-
 ## Conventions
 
 ### C# Style

.gitlab-ci.yml

@@ -88,6 +88,13 @@ build_windows:
         # Produce a single-file, ready-to-run publish so downstream jobs only need the EXE.
         try {
           & $dotnetExe publish "imagecatalog\ImageCatalog 2.csproj" -c $env:BUILD_CONFIG -r win-x64 --self-contained true -p:PublishSingleFile=true -p:PublishTrimmed=false -p:PublishReadyToRun=true -o "imagecatalog\bin\$env:BUILD_CONFIG\net10.0-windows\publish" -v minimal
+          $publishDir = "imagecatalog\bin\$env:BUILD_CONFIG\net10.0-windows\publish"
+          $legacyRendererFiles = Get-ChildItem $publishDir -File | Where-Object { $_.Name -in @('Microsoft.Windows.Compatibility.dll', 'System.Private.Windows.GdiPlus.dll') }
+          if ($legacyRendererFiles) {
+            Write-Host 'Legacy GDI compatibility assemblies must not be published:'
+            $legacyRendererFiles | ForEach-Object { Write-Host $_.FullName }
+            exit 1
+          }
         } catch {
           Write-Host "dotnet publish failed: $_"
           throw

CatalogLite/App.axaml

@@ -36,6 +36,6 @@
         <Style Selector="ProgressBar">
             <Setter Property="MinHeight" Value="18" />
         </Style>
-        <StyleInclude Source="avares://IconPacks.Avalonia/Icons.axaml" />
+        <StyleInclude Source="avares://IconPacks.Avalonia.Material/Material.axaml" />
     </Application.Styles>
 </Application>

CatalogLite/CatalogConfigurationLoader.cs

@@ -1,7 +1,8 @@
-using System.Drawing;
 using System.Globalization;
 using System.Xml.Linq;
 using MaddoShared;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
 
 namespace CatalogLite;
 
@@ -89,7 +90,7 @@ public sealed class CatalogConfigurationLoader
         settings.Margine = values.GetInt("TestoMargine", 8);
         settings.LogoAltezza = values.GetInt("MarchioAltezza", 430);
         settings.LogoLarghezza = values.GetInt("MarchioLarghezza", 430);
-        settings.FontColoreRGB = ParseColor(values.GetString("ColoreTestoRGB", "Yellow"), Color.Yellow);
+        settings.FontColoreRGB = ParseColor(values.GetString("ColoreTestoRGB", "Yellow"), new Rgba32(255, 255, 0, 255));
         settings.LogoAggiungi = values.GetBool("MarchioAggiungi");
         settings.LogoNomeFile = values.GetString("MarchioFile");
         settings.LogoTrasparenza = values.GetInt("MarchioTrasparenza", 100).ToString(CultureInfo.InvariantCulture);
@@ -118,7 +119,6 @@ public sealed class CatalogConfigurationLoader
         settings.FotoRuotaASinistra = false;
         settings.TempMinText = string.Empty;
         settings.OverwriteFiles = values.GetBool("GeneraleSovrascriviFile");
-        settings.ImageCreatorProvider = "ImageSharp";
     }
 
     private static ImageCreationService.Options BuildOptions(ConfigurationValues values, string sourcePath, string destinationPath)
@@ -150,7 +150,7 @@ public sealed class CatalogConfigurationLoader
         return string.Equals(values.GetString("MiniatureModalita"), mode, StringComparison.OrdinalIgnoreCase);
     }
 
-    private static Color ParseColor(string value, Color fallback)
+    private static Rgba32 ParseColor(string value, Rgba32 fallback)
     {
         if (string.IsNullOrWhiteSpace(value))
         {
@@ -162,14 +162,19 @@ public sealed class CatalogConfigurationLoader
         {
             if (normalized.StartsWith('#') && normalized.Length == 7)
             {
-                return Color.FromArgb(
+                return new Rgba32(
-                    Convert.ToInt32(normalized[1..3], 16),
+                    Convert.ToByte(normalized[1..3], 16),
-                    Convert.ToInt32(normalized[3..5], 16),
+                    Convert.ToByte(normalized[3..5], 16),
-                    Convert.ToInt32(normalized[5..7], 16));
+                    Convert.ToByte(normalized[5..7], 16),
+                    255);
             }
 
-            var named = Color.FromName(normalized);
+            if (normalized.Length == 6 && normalized.All(Uri.IsHexDigit))
-            return named.IsKnownColor || named.IsNamedColor ? named : fallback;
+            {
+                normalized = "#" + normalized;
+            }
+
+            return Color.Parse(normalized).ToPixel<Rgba32>();
         }
         catch
         {

CatalogLite/CatalogLite.csproj

@@ -8,6 +8,13 @@
     <RootNamespace>CatalogLite</RootNamespace>
     <AvaloniaUseCompiledBindingsByDefault>false</AvaloniaUseCompiledBindingsByDefault>
     <CatalogLiteExpirationDate Condition="'$(CatalogLiteExpirationDate)' == ''">2026-12-31</CatalogLiteExpirationDate>
+    <UseAppHost>true</UseAppHost>
+    <SelfContained>false</SelfContained>
+    <PublishSingleFile>true</PublishSingleFile>
+    <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
+    <PublishTrimmed>false</PublishTrimmed>
+    <PublishReadyToRun>false</PublishReadyToRun>
+    <DebugType>embedded</DebugType>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(RuntimeIdentifier)' == 'win-x64' Or '$(RuntimeIdentifier)' == 'win-arm64'">
@@ -26,7 +33,7 @@
     <PackageReference Include="Avalonia" Version="11.3.13" />
     <PackageReference Include="Avalonia.Desktop" Version="11.3.13" />
     <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.13" />
-    <PackageReference Include="IconPacks.Avalonia" Version="2.0.0" />
+    <PackageReference Include="IconPacks.Avalonia.Material" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.8" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="10.0.8" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="10.0.8" />
@@ -45,4 +52,25 @@
       Overwrite="true"
       Lines="using System.Reflection%3B&#x0A;&#x0A;[assembly: AssemblyMetadata(&quot;CatalogLiteGeneratedExpirationDate&quot;, &quot;$(CatalogLiteExpirationDate)&quot;)]&#x0A;[assembly: AssemblyMetadata(&quot;CatalogLiteExpirationDate&quot;, &quot;$(CatalogLiteExpirationDate)&quot;)]&#x0A;&#x0A;namespace CatalogLite%3B&#x0A;&#x0A;internal static class BuildExpiration&#x0A;{&#x0A;    public const string ExpirationDate = &quot;$(CatalogLiteExpirationDate)&quot;%3B&#x0A;}" />
   </Target>
+
+  <Target Name="ValidateCatalogLiteFeatureDependencies" AfterTargets="ResolveReferences">
+    <ItemGroup>
+      <_CatalogLiteForbiddenReference Include="@(ReferencePath)" Condition="$([System.String]::Copy('%(FileName)').StartsWith('AIFotoONLUS')) Or '%(FileName)' == 'Catalog.Communication' Or '%(FileName)' == 'Microsoft.Windows.Compatibility' Or '%(FileName)' == 'System.Drawing.Common' Or '%(FileName)' == 'System.Private.Windows.GdiPlus' Or '%(FileName)' == 'System.Windows.Extensions'" />
+    </ItemGroup>
+    <Error Condition="'@(_CatalogLiteForbiddenReference)' != ''" Text="Catalog Lite must not reference AI or race upload assemblies: @(_CatalogLiteForbiddenReference->'%(FileName)%(Extension)', ', ')" />
+  </Target>
+
+  <Target Name="PruneCatalogLitePublishSidecars" AfterTargets="Publish" Condition="'$(PublishDir)' != '' And '$(PublishSingleFile)' == 'true'">
+    <ItemGroup>
+      <_CatalogLiteSidecarFile Include="$(PublishDir)**\*.dll.config;$(PublishDir)**\*.pdb" />
+    </ItemGroup>
+    <Delete Files="@(_CatalogLiteSidecarFile)" />
+  </Target>
+
+  <Target Name="ValidateCatalogLitePublishOutput" AfterTargets="PruneCatalogLitePublishSidecars" Condition="'$(PublishDir)' != '' And '$(PublishSingleFile)' == 'true'">
+    <ItemGroup>
+      <_CatalogLiteLooseNativeFile Include="$(PublishDir)**\*.dll;$(PublishDir)**\*.so;$(PublishDir)**\*.dylib" />
+    </ItemGroup>
+    <Error Condition="'@(_CatalogLiteLooseNativeFile)' != ''" Text="Catalog Lite single-file publish produced loose native/managed library files: @(_CatalogLiteLooseNativeFile->'%(Filename)%(Extension)', ', ')" />
+  </Target>
 </Project>

CatalogLite/LiteCatalogViewModel.cs

@@ -250,7 +250,6 @@ public sealed class LiteCatalogViewModel : ViewModelBase
         _picSettings.DirectorySorgente = SourcePath;
         _picSettings.DirectoryDestinazione = DestinationPath;
         _picSettings.DestDir = new DirectoryInfo(DestinationPath);
-        _picSettings.ImageCreatorProvider = "ImageSharp";
 
         IsProcessing = true;
         ResetProgress("Analisi immagini...");

MaddoShared.Benchmarks/ChunkSizeBenchmarks.cs

@@ -50,7 +50,7 @@ public class ChunkSizeBenchmarks
         });
 
         var logger = loggerFactory.CreateLogger<ImageCreationService>();
-        var imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorGDI>();
+        var imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorImageSharp>();
 
         _picSettings = new PicSettings
         {
@@ -75,7 +75,7 @@ public class ChunkSizeBenchmarks
             Trasparenza = 100
         };
 
-        var imageCreatorService = new ImageCreatorGDI(_picSettings, imageCreatorLogger);
+        var imageCreatorService = new ImageCreatorImageSharp(_picSettings, imageCreatorLogger);
         _imageCreationStuff = new ImageCreationService(logger, _picSettings, imageCreatorService);
     }
 

MaddoShared.Benchmarks/Helpers/TestImageGenerator.cs

@@ -1,25 +1,16 @@
 using System;
-using System.Diagnostics.CodeAnalysis;
-using System.Drawing;
-using System.Drawing.Imaging;
 using System.IO;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.PixelFormats;
 
 namespace MaddoShared.Benchmarks.Helpers;
 
 /// <summary>
-/// Helper class to generate test images for benchmarking
+/// Helper class to generate test images for benchmarking.
 /// </summary>
-[SuppressMessage("Interoperability", "CA1416:Validate platform compatibility")]
 public static class TestImageGenerator
 {
-    /// <summary>
-    /// Generates a set of test JPEG images in the specified directory
-    /// </summary>
-    /// <param name="outputDirectory">Directory where images will be created</param>
-    /// <param name="imageCount">Number of images to generate</param>
-    /// <param name="width">Width of each image</param>
-    /// <param name="height">Height of each image</param>
-    /// <param name="includeSubfolders">Whether to create images in subfolders</param>
     public static void GenerateTestImages(
         string outputDirectory,
         int imageCount,
@@ -29,9 +20,10 @@ public static class TestImageGenerator
     {
         Directory.CreateDirectory(outputDirectory);
 
-        var random = new Random(42); // Fixed seed for reproducibility
+        var random = new Random(42);
+        var encoder = new JpegEncoder { Quality = 85 };
 
-        for (int i = 0; i < imageCount; i++)
+        for (var i = 0; i < imageCount; i++)
         {
             var targetDir = outputDirectory;
 
@@ -42,48 +34,17 @@ public static class TestImageGenerator
             }
 
             var filePath = Path.Combine(targetDir, $"test_image_{i:D5}.jpg");
-            
-            // Skip if already exists
             if (File.Exists(filePath))
-                continue;
-
-            using var bitmap = new Bitmap(width, height);
-            using var graphics = Graphics.FromImage(bitmap);
-            
-            // Fill with a random color background
-            var bgColor = Color.FromArgb(random.Next(256), random.Next(256), random.Next(256));
-            graphics.Clear(bgColor);
-
-            // Draw some random shapes to make it more realistic
-            for (int j = 0; j < 20; j++)
             {
-                var color = Color.FromArgb(random.Next(256), random.Next(256), random.Next(256));
+                continue;
-                var brush = new SolidBrush(color);
-                var x = random.Next(width);
-                var y = random.Next(height);
-                var w = random.Next(200, 800);
-                var h = random.Next(200, 800);
-                graphics.FillEllipse(brush, x, y, w, h);
             }
 
-            // Add some text
+            using var image = new Image<Rgba32>(width, height, RandomColor(random));
-            using var font = new Font("Arial", 48, FontStyle.Bold);
+            AddBenchmarkTexture(image, random);
-            var text = $"Test Image {i}";
+            image.Save(filePath, encoder);
-            var textBrush = new SolidBrush(Color.White);
-            graphics.DrawString(text, font, textBrush, new PointF(100, 100));
-
-            // Save as JPEG with standard quality
-            var encoder = GetEncoder(ImageFormat.Jpeg);
-            var encoderParameters = new EncoderParameters(1);
-            encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, 85L);
-            
-            bitmap.Save(filePath, encoder, encoderParameters);
         }
     }
 
-    /// <summary>
-    /// Cleans up generated test images
-    /// </summary>
     public static void CleanupTestImages(string directory)
     {
         if (Directory.Exists(directory))
@@ -92,16 +53,38 @@ public static class TestImageGenerator
         }
     }
 
-    private static ImageCodecInfo GetEncoder(ImageFormat format)
+    private static void AddBenchmarkTexture(Image<Rgba32> image, Random random)
     {
-        var codecs = ImageCodecInfo.GetImageEncoders();
+        image.ProcessPixelRows(accessor =>
-        foreach (var codec in codecs)
         {
-            if (codec.FormatID == format.Guid)
+            for (var shape = 0; shape < 20; shape++)
             {
-                return codec;
+                var color = RandomColor(random);
+                var startX = random.Next(image.Width);
+                var startY = random.Next(image.Height);
+                var width = random.Next(200, Math.Min(800, image.Width) + 1);
+                var height = random.Next(200, Math.Min(800, image.Height) + 1);
+                var endX = Math.Min(accessor.Width, startX + width);
+                var endY = Math.Min(accessor.Height, startY + height);
+
+                for (var y = startY; y < endY; y++)
+                {
+                    var row = accessor.GetRowSpan(y);
+                    for (var x = startX; x < endX; x++)
+                    {
+                        row[x] = color;
+                    }
+                }
             }
-        }
+        });
-        return null;
+    }
+
+    private static Rgba32 RandomColor(Random random)
+    {
+        return new Rgba32(
+            (byte)random.Next(256),
+            (byte)random.Next(256),
+            (byte)random.Next(256),
+            255);
     }
 }

MaddoShared.Benchmarks/ImageProcessingBenchmarks.cs

@@ -25,7 +25,7 @@ public class ImageProcessingBenchmarks
     private ImageCreationService _imageCreationStuff;
     private PicSettings _picSettings;
     private ILogger<ImageCreationService> _logger;
-    private ILogger<ImageCreatorGDI> _imageCreatorLogger;
+    private ILogger<ImageCreatorImageSharp> _imageCreatorLogger;
 
     [Params(10, 50, 100)]
     public int ImageCount { get; set; }
@@ -55,7 +55,7 @@ public class ImageProcessingBenchmarks
         });
 
         _logger = loggerFactory.CreateLogger<ImageCreationService>();
-        _imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorGDI>();
+        _imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorImageSharp>();
 
         // Setup PicSettings with default values
         _picSettings = new PicSettings
@@ -81,7 +81,7 @@ public class ImageProcessingBenchmarks
             Trasparenza = 100
         };
 
-        var imageCreatorService = new ImageCreatorGDI(_picSettings, _imageCreatorLogger);
+        var imageCreatorService = new ImageCreatorImageSharp(_picSettings, _imageCreatorLogger);
         _imageCreationStuff = new ImageCreationService(_logger, _picSettings, imageCreatorService);
     }
 

MaddoShared.Benchmarks/ImageSizeBenchmarks.cs

@@ -59,7 +59,7 @@ public class ImageSizeBenchmarks
         });
 
         var logger = loggerFactory.CreateLogger<ImageCreationService>();
-        var imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorGDI>();
+        var imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorImageSharp>();
 
         _picSettings = new PicSettings
         {
@@ -84,7 +84,7 @@ public class ImageSizeBenchmarks
             Trasparenza = 100
         };
 
-        var imageCreatorService = new ImageCreatorGDI(_picSettings, imageCreatorLogger);
+        var imageCreatorService = new ImageCreatorImageSharp(_picSettings, imageCreatorLogger);
         _imageCreationStuff = new ImageCreationService(logger, _picSettings, imageCreatorService);
     }
 

MaddoShared.Benchmarks/MaddoShared.Benchmarks.csproj

@@ -2,10 +2,8 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net10.0-windows</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <PlatformTarget>x64</PlatformTarget>
-    <UseWindowsForms>true</UseWindowsForms>
-    <ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
   </PropertyGroup>
 
   <ItemGroup>

MaddoShared.Benchmarks/StressTestBenchmark.cs

@@ -50,7 +50,7 @@ public class StressTestBenchmark
         });
 
         var logger = loggerFactory.CreateLogger<ImageCreationService>();
-        var imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorGDI>();
+        var imageCreatorLogger = loggerFactory.CreateLogger<ImageCreatorImageSharp>();
 
         _picSettings = new PicSettings
         {
@@ -75,7 +75,7 @@ public class StressTestBenchmark
             Trasparenza = 100
         };
 
-        var imageCreatorService = new ImageCreatorGDI(_picSettings, imageCreatorLogger);
+        var imageCreatorService = new ImageCreatorImageSharp(_picSettings, imageCreatorLogger);
         _imageCreationStuff = new ImageCreationService(logger, _picSettings, imageCreatorService);
 
         Console.WriteLine($"[STRESS TEST] Setup complete. Ready to process {ImageCount} images.");

MaddoShared.ImageSharpTests/MaddoShared.ImageSharpTests.csproj

@@ -15,9 +15,9 @@
     <PackageReference Include="NSubstitute" Version="5.3.0" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.8" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="4.0.0" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
-    <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="3.0.0" />
+    <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="2.1.7" />
-    <PackageReference Include="SixLabors.Fonts" Version="3.0.0" />
+    <PackageReference Include="SixLabors.Fonts" Version="2.1.3" />
   </ItemGroup>
 
   <ItemGroup>

MaddoShared.Tests/ImageCreatorSharpTests.cs

@@ -1,237 +1,63 @@
-using System;
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.IO;
 using System.Reflection;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Microsoft.Extensions.Logging;
-using NSubstitute;
-using Shouldly;
 using MaddoShared;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Shouldly;
+using SixLabors.ImageSharp;
 
-namespace MaddoShared.Tests
+namespace MaddoShared.Tests;
+
+[TestClass]
+public class ImageCreatorSharpTests
 {
-    [TestClass]
+    [TestMethod]
-    public class ImageCreatorSharpTests
+    public void CalculateThumbnailSize_Larghezza_UsesWidthScaling()
     {
-        private ImageCreatorGDI CreateService(Action<PicSettings> customize = null)
+        var size = CalculateThumbnailSize(400, 200, 200, "Larghezza");
+
+        size.Width.ShouldBe(200);
+        size.Height.ShouldBe(100);
+    }
+
+    [TestMethod]
+    public void CalculateThumbnailSize_Altezza_UsesHeightScaling()
+    {
+        var size = CalculateThumbnailSize(200, 400, 200, "Altezza");
+
+        size.Width.ShouldBe(100);
+        size.Height.ShouldBe(200);
+    }
+
+    [TestMethod]
+    public void FindBestFontSize_ConstrainsTextToBounds()
+    {
+        const string text = "A very long text that will not fit at the requested size";
+        var method = typeof(ImageCreatorImageSharp).GetMethod(
+            "FindBestFontSize",
+            BindingFlags.NonPublic | BindingFlags.Static);
+
+        method.ShouldNotBeNull();
+
+        var size = (float)method.Invoke(null, new object[]
         {
-            var settings = new PicSettings
+            text,
-            {
+            "Arial",
-                DimStandard = 20,
+            40,
-                DimStandardMiniatura = 10,
+            50f,
-                LarghezzaSmall = 100,
+            20f,
-                AltezzaSmall = 100,
+            6
-                LarghezzaBig = 800,
+        })!;
-                AltezzaBig = 600,
-                Trasparenza = 50,
-                IlFont = "Arial",
-                Grassetto = false,
-                Posizione = "CENTRO",
-                Allineamento = "CENTRO",
-                Margine = 10,
-                MargVert = 10,
-                TestoMin = false,
-                AggNumTempMin = false
-            };
 
-            customize?.Invoke(settings);
+        size.ShouldBeInRange(6f, 40f);
+        (size * text.Length * 0.6f <= 50f || size <= 6f).ShouldBeTrue();
+    }
 
-            var logger = Substitute.For<ILogger<ImageCreatorGDI>>();
+    private static Size CalculateThumbnailSize(int width, int height, int maxPixel, string sizeMode)
-            return new ImageCreatorGDI(settings, logger);
+    {
-        }
+        var method = typeof(ImageCreatorImageSharp).GetMethod(
+            "CalculateThumbnailSize",
+            BindingFlags.NonPublic | BindingFlags.Static);
 
-        [TestMethod]
+        method.ShouldNotBeNull();
-        public void CalculateThumbnailSize_Larghezza_UsesWidthScaling()
+        return (Size)method.Invoke(null, new object[] { width, height, maxPixel, sizeMode })!;
-        {
-            var svc = CreateService();
-            var mi = svc.GetType().GetMethod("CalculateThumbnailSize", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var size = (Size)mi.Invoke(svc, new object[] { 400, 200, 200, "Larghezza" });
-
-            size.Width.ShouldBe(200);
-            size.Height.ShouldBe(100);
-        }
-
-        [TestMethod]
-        public void CalculateThumbnailSize_Altezza_UsesHeightScaling()
-        {
-            var svc = CreateService();
-            var mi = svc.GetType().GetMethod("CalculateThumbnailSize", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var size = (Size)mi.Invoke(svc, new object[] { 200, 400, 200, "Altezza" });
-
-            size.Width.ShouldBe(100);
-            size.Height.ShouldBe(200);
-        }
-
-        [TestMethod]
-        public void IsSameDirectory_IsCaseInsensitive()
-        {
-            var svc = CreateService();
-            var mi = svc.GetType().GetMethod("IsSameDirectory", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            bool same = (bool)mi.Invoke(svc, new object[] { @"C:\Temp", @"c:\temp" });
-            same.ShouldBeTrue();
-
-            bool notSame = (bool)mi.Invoke(svc, new object[] { @"C:\TempA", @"c:\temp" });
-            notSame.ShouldBeFalse();
-        }
-
-        [TestMethod]
-        public void UpdateFilenameWithCode_InsertsCodeBeforeExtension()
-        {
-            var svc = CreateService(s => s.Codice = "_X");
-            var mi = svc.GetType().GetMethod("UpdateFilenameWithCode", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var state = new ImageState { NomeFileSmall = "photo123.jpg" };
-            mi.Invoke(svc, new object[] { state });
-
-            state.NomeFileSmall.ShouldBe("photo123_X.jpg");
-        }
-
-        [DataTestMethod]
-        [DataRow("SINISTRA")]
-        [DataRow("CENTRO")]
-        [DataRow("DESTRA")]
-        public void CalculateHorizontalAlignment_RespectsAlignment(string alignment)
-        {
-            var svc = CreateService(s => { s.Allineamento = alignment; s.Margine = 20; });
-
-            var mi = svc.GetType().GetMethod("CalculateHorizontalAlignment", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var center = (float)mi.Invoke(svc, new object[] { 800, 100f });
-
-            if (alignment == "SINISTRA")
-                center.ShouldBeInRange(0f, 400f);
-            if (alignment == "DESTRA")
-                center.ShouldBeInRange(400f, 800f);
-            if (alignment == "CENTRO")
-                center.ShouldBe(800 / 2f, 0.0001f);
-        }
-
-        [TestMethod]
-        public void SetVerticalPosition_AltoAndBasso_SetExpectedValues()
-        {
-            var svc = CreateService(s => s.Posizione = "ALTO");
-            var mi = svc.GetType().GetMethod("SetVerticalPosition", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var state = new ImageState();
-
-            // ALTO
-            mi.Invoke(svc, new object[] { 500, 20f, state });
-            state.YPosFromBottom1.ShouldBe(10f);
-            state.YPosFromBottom4.ShouldBe(10f);
-
-            // BASSO
-            state = new ImageState();
-            svc = CreateService(s => { s.Posizione = "BASSO"; s.Margine = 10; s.MargVert = 5; });
-            mi = svc.GetType().GetMethod("SetVerticalPosition", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.Invoke(svc, new object[] { 200, 20f, state });
-
-            var expected1 = (float)(200 - 20 - (200 * 10 / 100.0));
-            var expected4 = (float)(200 - 20 - (200 * 5 / 100.0));
-            state.YPosFromBottom1.ShouldBe(expected1, 0.001f);
-            state.YPosFromBottom4.ShouldBe(expected4, 0.001f);
-        }
-
-        [TestMethod]
-        public void FormatTimeText_WithAndWithoutFileName_ProducesExpectedStrings()
-        {
-            var svc = CreateService();
-            var mi = svc.GetType().GetMethod("FormatTimeText", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var state = new ImageState
-            {
-                NomeFileBig = "file.jpg",
-                TestoOrario = "T:",
-                DataPartenzaI = new DateTime(2024, 01, 01, 12, 0, 0),
-                DataFoto = new DateTime(2024, 01, 01, 11, 59, 0)
-            };
-            var withoutName = (string)mi.Invoke(svc, new object[] { state, false });
-            withoutName.ShouldStartWith(Environment.NewLine);
-            withoutName.ShouldContain("T:");
-
-            var withName = (string)mi.Invoke(svc, new object[] { state, true });
-            withName.ShouldContain("file.jpg");
-            withName.ShouldContain("T:");
-            withName.ShouldContain(Environment.NewLine);
-        }
-
-        [TestMethod]
-        public void PrepareSignatureText_SetsSmallSignature_AccordingFlags()
-        {
-            var svc = CreateService();
-            var miPrep = svc.GetType().GetMethod("PrepareSignatureText", BindingFlags.NonPublic | BindingFlags.Instance);
-            miPrep.ShouldNotBeNull();
-
-            var state = new ImageState { NomeFileBig = "bigname.jpg" };
-
-            svc = CreateService(s => s.TestoMin = true);
-            miPrep.Invoke(svc, new object[] { state });
-            state.TestoFirmaPiccola.ShouldBe("bigname.jpg");
-
-            state.TestoFirmaPiccola = "";
-            svc = CreateService(s => { s.TestoMin = false; s.AggNumTempMin = true; });
-            miPrep.Invoke(svc, new object[] { state });
-            state.TestoFirmaPiccola.ShouldBe("bigname.jpg ");
-        }
-
-        [TestMethod]
-        public void ShouldRenderText_ReturnsCorrectFlag()
-        {
-            var svc = CreateService(s => { s.UsaOrarioMiniatura = false; s.TestoMin = false; s.AggTempoGaraMin = false; s.AggNumTempMin = false; });
-            var mi = svc.GetType().GetMethod("ShouldRenderText", BindingFlags.NonPublic | BindingFlags.Instance);
-            mi.ShouldNotBeNull();
-
-            var res = (bool)mi.Invoke(svc, Array.Empty<object>());
-            res.ShouldBeFalse();
-
-            svc = CreateService(s => s.TestoMin = true);
-            mi = svc.GetType().GetMethod("ShouldRenderText", BindingFlags.NonPublic | BindingFlags.Instance);
-            res = (bool)mi.Invoke(svc, Array.Empty<object>());
-            res.ShouldBeTrue();
-        }
-
-        [TestMethod]
-        public void FindBestFontSize_And_AdjustFontToFitWidth_ModifySizes()
-        {
-            var svc = CreateService(s => { s.IlFont = "Arial"; s.DimStandardMiniatura = 30; });
-
-            using var bmp = new Bitmap(400, 100);
-            using var g = Graphics.FromImage(bmp);
-
-            var miFind = svc.GetType().GetMethod("FindBestFontSize", BindingFlags.NonPublic | BindingFlags.Instance);
-            miFind.ShouldNotBeNull();
-
-            int best = (int)miFind.Invoke(svc, new object[] { g, "A very long text that won't fit", "Arial", 40, false, 50, 5 });
-            best.ShouldBeInRange(5, 40);
-
-            // The helper AdjustFontToFitWidth was in an earlier refactor; replicate its logic here
-            var imageState = new ImageState { DimensioneStandardMiniatura = 30, TestoFirmaPiccola = "A very long test string" };
-            var initialFont = new Font("Arial", imageState.DimensioneStandardMiniatura);
-            var textSize = g.MeasureString(imageState.TestoFirmaPiccola, initialFont);
-
-            int tempFontSize = imageState.DimensioneStandardMiniatura;
-            while ((textSize.Width > 50) && tempFontSize > 5)
-            {
-                tempFontSize = (tempFontSize > 20) ? tempFontSize - 5 : tempFontSize - 1;
-                using var tempFont = new Font("Arial", tempFontSize);
-                textSize = g.MeasureString(imageState.TestoFirmaPiccola, tempFont);
-            }
-
-            var updatedSize = textSize;
-            imageState.DimensioneStandardMiniatura = tempFontSize;
-
-            imageState.DimensioneStandardMiniatura.ShouldBeLessThanOrEqualTo(30);
-            (updatedSize.Width <= 50 || imageState.DimensioneStandardMiniatura <= 5).ShouldBeTrue();
-        }
     }
 }

MaddoShared.Tests/MaddoShared.Tests.csproj

@@ -18,7 +18,6 @@
     <PackageReference Include="NSubstitute" Version="5.3.0" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.8" />
-    <PackageReference Include="System.Drawing.Common" Version="10.0.3" />
   </ItemGroup>
 
   <ItemGroup>

MaddoShared/ImageCreatorGDI.cs

@@ -1,866 +0,0 @@
-#if WINDOWS
-using System;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Drawing;
-using System.Drawing.Drawing2D;
-using System.Drawing.Imaging;
-using System.Globalization;
-using System.IO;
-using System.Threading.Tasks;
-using Microsoft.Extensions.Logging;
-using SixLabors.ImageSharp.Metadata.Profiles.Exif;
-
-// Imports System.Threading
-
-namespace MaddoShared;
-
-[SuppressMessage("Interoperability", "CA1416:Validate platform compatibility")]
-public class ImageCreatorGDI(PicSettings picSettings, ILogger<ImageCreatorGDI> logger) : IImageCreator
-{
-    public async Task CreateImageAsync(ImageState imgState, byte[]? logoData)
-    {
-        try
-        {
-            await Task.Run(() =>
-            {
-                logger.LogInformation("File: {FileInfo} Dest: {DirectoryInfo}", imgState.WorkFile, imgState.DestDir);
-                PrepareVariables(imgState);
-                ExtractExif(imgState);
-
-                using var g = Image.FromFile(imgState.WorkFile.FullName);
-
-                // Set extra text
-                SetExtraText(g, imgState);
-
-                // Rotate image according to EXIF
-                ApplyRotation(g, imgState);
-
-                // Force jpeg if option selected
-                var thisFormat = g.RawFormat;
-                if (picSettings.UsaForzaJpg)
-                    thisFormat = ImageFormat.Jpeg;
-
-                PrepareThumbnailSize(g, imgState);
-
-                using var imgOutputBig = new Bitmap(g, imgState.ThumbSizeBig.Width, imgState.ThumbSizeBig.Height);
-
-                imgOutputBig.SetResolution(g.HorizontalResolution, g.VerticalResolution);
-
-                // Create thumbnails
-                CreateThumbnails(g, imgState, imgOutputBig, thisFormat);
-
-                AddText(g, imgState, imgOutputBig);
-
-                AddLogo(imgOutputBig, logoData);
-
-                SavePhoto(imgOutputBig, imgState, thisFormat);
-            }).ConfigureAwait(false);
-        }
-
-        catch (Exception ex)
-        {
-            var e = ex.Demystify();
-            logger.LogError(e, "Error in processing photo {WorkFileName}", imgState.WorkFile.Name);
-        }
-    }
-
-    private void ExtractExif(ImageState imgState)
-    {
-        using var img = SixLabors.ImageSharp.Image.Load(imgState.WorkFile.FullName);
-        imgState.Orientation = Orientations.TopLeft;
-
-        IExifValue<ushort> rotation = null;
-
-        var exifProfile = img.Metadata?.ExifProfile;
-        var found = exifProfile != null && exifProfile.TryGetValue(ExifTag.Orientation, out rotation);
-
-        if (found)
-        {
-            var intOrientation = rotation.Value.ToInt32();
-            imgState.Orientation = (Orientations)intOrientation;
-        }
-
-        IExifValue<string> date = null;
-        var creationFound = exifProfile != null && exifProfile.TryGetValue(ExifTag.DateTimeOriginal, out date);
-        if (creationFound)
-        {
-            var succ = DateTime.TryParseExact(date.Value, "yyyy:MM:dd HH:mm:ss", CultureInfo.InvariantCulture,
-                DateTimeStyles.None, out var crDate);
-            if (succ)
-            {
-                imgState.CreationDate = crDate;
-            }
-            else
-            {
-                imgState.CreationDate = null;
-            }
-        }
-        else
-        {
-            imgState.CreationDate = null;
-        }
-    }
-
-    private void ApplyRotation(Image g, ImageState imgState)
-    {
-        imgState.FotoRuotaADestra = false;
-        imgState.FotoRuotaASinistra = false;
-
-        if (picSettings.UsaRotazioneAutomatica && g.PropertyIdList.Length > 0)
-        {
-            switch (imgState.Orientation)
-            {
-                case Orientations.BottomLeft:
-                case Orientations.BottomRight:
-                case Orientations.LeftTop:
-                case Orientations.LftBottom:
-                    imgState.FotoRuotaASinistra = true;
-                    break;
-                case Orientations.RightBottom:
-                case Orientations.RightTop:
-                case Orientations.TopLeft:
-                case Orientations.TopRight:
-                    break;
-            }
-        }
-
-        if (imgState.FotoRuotaASinistra)
-            g.RotateFlip(RotateFlipType.Rotate270FlipNone);
-        if (imgState.FotoRuotaADestra)
-            g.RotateFlip(RotateFlipType.Rotate90FlipNone);
-    }
-
-    /// <summary>
-    ///     ''' Aggiunge Orario, tempo gara e altri
-    ///     ''' </summary>
-    ///     ''' <param name="g">Image</param>
-    ///     <param name="imgState"></param>
-    ///     ''' <remarks></remarks>
-    private void SetExtraText(Image g, ImageState imgState)
-    {
-        if (picSettings.UsaOrarioTestoApplicare || picSettings.UsaTempoGaraTestoApplicare ||
-            picSettings.UsaOrarioMiniatura || picSettings.TestoMin || picSettings.AggTempoGaraMin ||
-            picSettings.AggNumTempMin)
-        {
-            if (g.PropertyIdList.Length <= 0) return;
-            imgState.DataFoto = imgState.CreationDate ?? DateTime.Now;
-            imgState.TestoFirma = picSettings.TestoFirmaStart;
-            imgState.TestoFirmaV = picSettings.TestoFirmaStartV;
-
-            if (imgState.DataFoto.Year == 1) return;
-            imgState.TestoFirmaPiccola = imgState.DataFoto.ToShortTimeString();
-            if (picSettings.UsaOrarioTestoApplicare)
-            {
-                imgState.TestoFirma +=
-                    $" {imgState.DataFoto.ToShortDateString()} {imgState.DataFoto.ToLongTimeString()}";
-                imgState.TestoFirmaV +=
-                    $" {imgState.DataFoto.ToShortDateString()} {imgState.DataFoto.ToLongTimeString()}";
-            }
-
-            if (!picSettings.UsaTempoGaraTestoApplicare) return;
-            var diff = imgState.DataFoto - imgState.DataPartenzaI;
-            imgState.TestoFirma += $" {imgState.TestoOrario}{diff.Hours:00}:{diff.Minutes:00}:{diff.Seconds:00}";
-            imgState.TestoFirmaV += $" {imgState.TestoOrario}{diff.Hours:00}:{diff.Minutes:00}:{diff.Seconds:00}";
-        }
-        else
-        {
-            imgState.TestoFirma = picSettings.TestoFirmaStart;
-            imgState.TestoFirmaV = picSettings.TestoFirmaStartV;
-        }
-    }
-
-    /// <summary>
-    ///     ''' Prepara diverse variabili azzerandole, elaborandole e prendendole dalle impostazioni
-    ///     ''' </summary>
-    ///     ''' <remarks></remarks>
-    private void PrepareVariables(ImageState imgState)
-    {
-        imgState.AlphaScelta = System.Convert.ToInt32((255 * (100 - picSettings.Trasparenza) / (double)100));
-        imgState.TestoFirma = "";
-        imgState.TestoFirmaV = "";
-        imgState.DataPartenzaI = picSettings.DataPartenza;
-        imgState.TestoOrario = picSettings.TestoOrario;
-        if (imgState.TestoOrario.Length > 0)
-            imgState.TestoOrario += " ";
-        imgState.TestoFirmaPiccola = "";
-        imgState.ThumbSizeSmall = new Size();
-        imgState.ThumbSizeBig = new Size();
-        imgState.NomeFileSmall = "";
-        imgState.NomeFileBig2 = "";
-        imgState.NomeFileBig = "";
-        imgState.DimensioneStandard = picSettings.DimStandard;
-        imgState.DimensioneStandardMiniatura = picSettings.DimStandardMiniatura;
-        // nomeFileSmall = Suffisso & NomeFileChild
-        // nomeFileBig = NomeFileChild
-        imgState.NomeFileSmall = picSettings.Suffisso + imgState.WorkFile.Name;
-        imgState.NomeFileBig = imgState.WorkFile.Name;
-        // Sanitize file names to avoid invalid characters causing IO errors
-        imgState.NomeFileSmall = SanitizeFileName(imgState.NomeFileSmall);
-        imgState.NomeFileBig = SanitizeFileName(imgState.NomeFileBig);
-    }
-
-    private static string SanitizeFileName(string fileName)
-    {
-        if (string.IsNullOrEmpty(fileName)) return fileName;
-        var invalid = Path.GetInvalidFileNameChars();
-        var sb = new System.Text.StringBuilder(fileName.Length);
-        foreach (var ch in fileName)
-        {
-            sb.Append(Array.IndexOf(invalid, ch) >= 0 ? '_' : ch);
-        }
-        return sb.ToString();
-    }
-
-    private void PrepareThumbnailSize(Image g, ImageState imgState)
-    {
-        if (g.Width > g.Height)
-        {
-            imgState.ThumbSizeSmall = CalculateThumbnailSize(g.Width, g.Height, picSettings.LarghezzaSmall, "Larghezza");
-            var sizeOrig = new Size(g.Width, g.Height);
-            imgState.ThumbSizeBig = sizeOrig;
-        }
-        else
-        {
-            imgState.ThumbSizeSmall = CalculateThumbnailSize(g.Width, g.Height, picSettings.AltezzaSmall, "Altezza");
-            var sizeOrig = new Size(g.Width, g.Height);
-            imgState.ThumbSizeBig = sizeOrig;
-        }
-    }
-
-    private void CreateThumbnails(Image sourceImage, ImageState imgState, Bitmap imgOutputBig, ImageFormat format)
-    {
-        // Only skip thumbnail generation when the global "create thumbnails" flag is false.
-        // Whether thumbnails include text is handled by ShouldRenderText/CreateThumbnailWithText
-        if (!picSettings.CreaMiniature)
-            return;
-
-        PrepareSignatureText(imgState);
-
-        if (IsSameDirectory(picSettings.DirectorySorgente, picSettings.DirectoryDestinazione))
-            UpdateFilenameWithCode(imgState);
-
-        if (ShouldRenderText())
-            CreateThumbnailWithText(sourceImage, imgState, imgOutputBig, format);
-        else
-            CreateSimpleThumbnail(sourceImage, imgState, format);
-    }
-
-    private void PrepareSignatureText(ImageState imgState)
-    {
-        if (picSettings.TestoMin)
-            imgState.TestoFirmaPiccola = imgState.NomeFileBig;
-        else if (picSettings.AggNumTempMin)
-            imgState.TestoFirmaPiccola = imgState.NomeFileBig + " ";
-    }
-
-    private bool IsSameDirectory(string dir1, string dir2) =>
-        string.Equals(dir1, dir2, StringComparison.OrdinalIgnoreCase);
-
-    private void UpdateFilenameWithCode(ImageState imgState)
-    {
-        var name = imgState.NomeFileSmall;
-        imgState.NomeFileSmall = name[..^4] + picSettings.Codice + name[^4..];
-    }
-
-    private bool ShouldRenderText() =>
-        picSettings.UsaOrarioMiniatura || picSettings.TestoMin || picSettings.AggTempoGaraMin ||
-        picSettings.AggNumTempMin;
-
-    private void CreateSimpleThumbnail(Image image, ImageState imgState, ImageFormat format)
-    {
-        using var thumbnail = new Bitmap(image, imgState.ThumbSizeSmall.Width, imgState.ThumbSizeSmall.Height);
-        thumbnail.Save(Path.Combine(imgState.DestDir.FullName, imgState.NomeFileSmall), format);
-    }
-
-    private void CreateThumbnailWithText(Image image, ImageState imgState, Bitmap sourceBitmap, ImageFormat format)
-    {
-        if (imgState.TestoFirmaPiccola.Length == 0)
-        {
-            CreateSimpleThumbnail(image, imgState, format);
-            return;
-        }
-
-        using var imgOutputSmall = (Bitmap)sourceBitmap.Clone();
-        using var graphics = Graphics.FromImage(imgOutputSmall);
-        graphics.SmoothingMode = SmoothingMode.AntiAlias;
-
-        // Use the user's configured font size directly
-        using var font1 = CreateFont(picSettings.IlFont, imgState.DimensioneStandardMiniatura, picSettings.Grassetto);
-        var textSize = graphics.MeasureString(imgState.TestoFirmaPiccola, font1);
-
-        // Adjust font if it's too large for the image dimensions
-        // Keep text height under 15% of image height to ensure proper spacing when resized
-        // This leaves room for margins and prevents clipping
-        int tempFontSize = imgState.DimensioneStandardMiniatura;
-        float maxTextHeight = image.Height * 0.15f;
-
-        while ((textSize.Width > image.Width * 0.95f || textSize.Height > maxTextHeight) && tempFontSize > 5)
-        {
-            tempFontSize = (tempFontSize > 20) ? tempFontSize - 5 : tempFontSize - 1;
-            using var tempFont = CreateFont(picSettings.IlFont, tempFontSize, picSettings.Grassetto);
-            textSize = graphics.MeasureString(imgState.TestoFirmaPiccola, tempFont);
-        }
-
-        // Re-measure text with the final font size for accurate positioning
-        using var finalFont = CreateFont(picSettings.IlFont, tempFontSize, picSettings.Grassetto);
-        var finalTextSize = graphics.MeasureString(imgState.TestoFirmaPiccola, finalFont);
-
-        SetVerticalPosition(image.Height, finalTextSize.Height, imgState);
-
-        float xCenter = CalculateHorizontalAlignment(image.Width, finalTextSize.Width);
-        using var stringFormat = new StringFormat();
-        stringFormat.Alignment = StringAlignment.Center;
-
-        using var shadowBrush = new SolidBrush(Color.FromArgb(imgState.AlphaScelta, 0, 0, 0));
-        using var textBrush = new SolidBrush(Color.FromArgb(imgState.AlphaScelta, picSettings.FontColoreRGB));
-
-        DrawText(graphics, imgState, xCenter, stringFormat, shadowBrush, textBrush, finalFont);
-
-        using var finalThumb =
-            new Bitmap(imgOutputSmall, imgState.ThumbSizeSmall.Width, imgState.ThumbSizeSmall.Height);
-        finalThumb.Save(Path.Combine(imgState.DestDir.FullName, imgState.NomeFileSmall), format);
-    }
-
-    private Font CreateFont(string fontName, int size, bool bold) =>
-        new Font(fontName, size, bold ? FontStyle.Bold : FontStyle.Regular);
-
-    private int FindBestFontSize(Graphics g, string text, string fontName, int maxSize, bool bold, int maxWidth, int minSize = 5)
-    {
-        if (maxSize <= minSize) return Math.Max(minSize, maxSize);
-
-        int low = minSize;
-        int high = Math.Max(minSize, maxSize);
-        int best = minSize;
-
-        while (low <= high)
-        {
-            int mid = (low + high) / 2;
-            using var testFont = CreateFont(fontName, mid, bold);
-            var measured = g.MeasureString(text, testFont);
-            if (measured.Width <= maxWidth)
-            {
-                best = mid;
-                low = mid + 1; // try larger
-            }
-            else
-            {
-                high = mid - 1; // too big
-            }
-        }
-
-        return best;
-    }
-
-
-    private void AddText(Image g, ImageState imgState, Bitmap imgOutputBig)
-    {
-        using var grPhoto = Graphics.FromImage(imgOutputBig);
-        grPhoto.SmoothingMode = SmoothingMode.AntiAlias;
-
-        // Determine best base font size using a binary search (faster than decremental loop)
-        int availableWidth = (int)g.Width;
-        int targetBaseSize = imgState.DimensioneStandard > 0 ? imgState.DimensioneStandard : picSettings.DimStandard;
-        int bestBaseSize = FindBestFontSize(grPhoto, imgState.TestoFirma ?? string.Empty, picSettings.IlFont, targetBaseSize, picSettings.Grassetto, availableWidth);
-        imgState.DimensioneStandard = bestBaseSize;
-
-        // Decide final drawing size (use DimVert if rotated)
-        int drawSize = (imgState.FotoRuotaADestra || imgState.FotoRuotaASinistra) ? picSettings.DimVert : imgState.DimensioneStandard;
-
-        using var drawFont = CreateFont(picSettings.IlFont, drawSize, picSettings.Grassetto);
-        var crSize = grPhoto.MeasureString(imgState.TestoFirma ?? string.Empty, drawFont);
-        var larghezzaStandard = Convert.ToInt32(crSize.Width);
-
-        // Vertical positions
-        switch (picSettings.Posizione.ToUpper())
-        {
-            case "ALTO":
-                {
-                    imgState.YPosFromBottom = picSettings.Margine;
-                    imgState.YPosFromBottom3 = picSettings.MargVert;
-                    break;
-                }
-
-            case "BASSO":
-                {
-                    imgState.YPosFromBottom =
-                        Convert.ToSingle((g.Height - crSize.Height - (g.Height * picSettings.Margine / 100.0)));
-                    imgState.YPosFromBottom3 =
-                        Convert.ToSingle((g.Height - crSize.Height - (g.Height * picSettings.MargVert / 100.0)));
-                    break;
-                }
-        }
-
-        float xCenterOfImg = 0;
-        using var strFormat = new StringFormat();
-        switch (picSettings.Allineamento.ToUpper())
-        {
-            case "SINISTRA":
-                {
-                    xCenterOfImg = Convert.ToSingle((picSettings.Margine + (larghezzaStandard / (double)2)));
-                    if ((larghezzaStandard / (double)2) > (g.Width / (double)2) - picSettings.Margine)
-                        xCenterOfImg = Convert.ToSingle((g.Width / (double)2));
-                    break;
-                }
-
-            case "CENTRO":
-                {
-                    xCenterOfImg = Convert.ToSingle((g.Width / (double)2));
-                    break;
-                }
-
-            case "DESTRA":
-                {
-                    xCenterOfImg =
-                        Convert.ToSingle((g.Width - picSettings.Margine - (larghezzaStandard / (double)2)));
-                    if ((larghezzaStandard / (double)2) > (g.Width / (double)2) - picSettings.Margine)
-                        xCenterOfImg = Convert.ToSingle((g.Width / (double)2));
-                    break;
-                }
-        }
-
-        strFormat.Alignment = StringAlignment.Center;
-
-        using var semiTransBrush2 = new SolidBrush(Color.FromArgb(imgState.AlphaScelta, 0, 0, 0));
-        using var semiTransBrush = new SolidBrush(Color.FromArgb(imgState.AlphaScelta, picSettings.FontColoreRGB));
-
-        // write text (NomeFileBig)
-        if (picSettings.TestoNome)
-        {
-            if (picSettings.NomeData && g.PropertyIdList.Length > 0)
-            {
-                imgState.DataFoto = imgState.CreationDate ?? DateTime.Now;
-
-                grPhoto.DrawString((imgState.NomeFileBig + " " + imgState.DataFoto.ToShortDateString()), drawFont,
-                    semiTransBrush2, new PointF(xCenterOfImg + 1, imgState.YPosFromBottom + 1), strFormat);
-                grPhoto.DrawString((imgState.NomeFileBig + " " + imgState.DataFoto.ToShortDateString()), drawFont,
-                    semiTransBrush, new PointF(xCenterOfImg, imgState.YPosFromBottom), strFormat);
-            }
-            else
-            {
-                grPhoto.DrawString(imgState.NomeFileBig, drawFont, semiTransBrush2,
-                    new PointF(xCenterOfImg + 1, imgState.YPosFromBottom + 1), strFormat);
-                grPhoto.DrawString(imgState.NomeFileBig, drawFont, semiTransBrush,
-                    new PointF(xCenterOfImg, imgState.YPosFromBottom), strFormat);
-            }
-        }
-        else
-        {
-            if (imgState.FotoRuotaADestra || imgState.FotoRuotaASinistra)
-            {
-                if (!picSettings.TestoMin)
-                {
-                    grPhoto.DrawString(imgState.TestoFirmaV, drawFont, semiTransBrush2,
-                        new PointF(xCenterOfImg + 1, imgState.YPosFromBottom3 + 1), strFormat);
-                    grPhoto.DrawString(imgState.TestoFirmaV, drawFont, semiTransBrush,
-                        new PointF(xCenterOfImg, imgState.YPosFromBottom3), strFormat);
-                }
-
-                if (picSettings.TestoMin)
-                {
-                    grPhoto.DrawString(imgState.TestoFirmaV, drawFont, semiTransBrush2,
-                        new PointF(xCenterOfImg + 1, imgState.YPosFromBottom4 + 1), strFormat);
-                    grPhoto.DrawString(imgState.TestoFirmaV, drawFont, semiTransBrush,
-                        new PointF(xCenterOfImg, imgState.YPosFromBottom4), strFormat);
-                }
-            }
-            else
-            {
-                grPhoto.DrawString(imgState.TestoFirma, drawFont, semiTransBrush2,
-                    new PointF(xCenterOfImg + 1, imgState.YPosFromBottom + 1), strFormat);
-                grPhoto.DrawString(imgState.TestoFirma, drawFont, semiTransBrush,
-                    new PointF(xCenterOfImg, imgState.YPosFromBottom), strFormat);
-            }
-        }
-
-        if (string.Equals(picSettings.DirectorySorgente, picSettings.DirectoryDestinazione,
-                StringComparison.OrdinalIgnoreCase))
-        {
-            imgState.NomeFileBig2 = imgState.NomeFileBig;
-            imgState.NomeFileBig = $"{imgState.NomeFileBig[..^4]}{picSettings.Codice}{imgState.NomeFileBig[^4..]}";
-        }
-    }
-
-    private void AddLogo(Bitmap imgOutputBig, byte[]? logoData)
-    {
-        // Skip if no logo bytes provided
-        if (logoData is null) return;
-
-        if (!picSettings.LogoAggiungi) return;
-
-        using var logo = Image.FromStream(new System.IO.MemoryStream(logoData));
-
-        // Decide whether to apply a color-key transparency remap or rely on existing image alpha.
-        // If UseTransparentColor is true, parse the configured TransparentColor and remap it to fully transparent.
-        using var grWatermark = Graphics.FromImage(imgOutputBig);
-        using ImageAttributes imageAttributes = new ImageAttributes();
-
-        if (picSettings.UseTransparentColor)
-        {
-            Color keyColor = Color.White;
-            try
-            {
-                if (!string.IsNullOrWhiteSpace(picSettings.TransparentColor))
-                {
-                    // ColorTranslator accepts both "#RRGGBB" and "RRGGBB"
-                    keyColor = ColorTranslator.FromHtml(picSettings.TransparentColor);
-                }
-            }
-            catch
-            {
-                keyColor = Color.White;
-            }
-
-            var colorMap = new ColorMap
-            {
-                // background: the color we search for and replace with transparency
-                OldColor = keyColor,
-                NewColor = Color.FromArgb(0, 0, 0, 0)
-            };
-
-            var remapTable = new[] { colorMap };
-            imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
-        }
-
-        // * The second color manipulation is used to change the opacity by setting the 3rd row and 3rd column to 0.3f
-        // Parse transparency safely (default to 100 if parsing fails)
-        if (!int.TryParse(picSettings.LogoTrasparenza, out var logoTransparencyValue))
-        {
-            logoTransparencyValue = 100;
-        }
-
-        var colorMatrixElements = new[]
-        {
-            new[] { 1.0F, 0.0F, 0.0F, 0.0F, 0.0F }, new[] { 0.0F, 1.0F, 0.0F, 0.0F, 0.0F },
-            new[] { 0.0F, 0.0F, 1.0F, 0.0F, 0.0F },
-            new[] { 0.0F, 0.0F, 0.0F, System.Convert.ToSingle(logoTransparencyValue) / 100F, 0.0F },
-            new[] { 0.0F, 0.0F, 0.0F, 0.0F, 1.0F }
-        };
-        var wmColorMatrix = new ColorMatrix(colorMatrixElements);
-        imageAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
-
-        var fotoLogoH = picSettings.LogoAltezza;
-        var fotoLogoW = picSettings.LogoLarghezza;
-        var fattoreAlt = logo.Height / (double)fotoLogoH;
-        var fattoreLarg = logo.Width / (double)fotoLogoW;
-        var nuovaSize = fattoreLarg > fattoreAlt
-            ? CalculateThumbnailSize(logo.Width, logo.Height, fotoLogoW, "Larghezza")
-            : CalculateThumbnailSize(logo.Width, logo.Height, fotoLogoH, "Altezza");
-
-        // Guard against null/empty LogoMargine and percentage parsing
-        var logoMargineStr = picSettings.LogoMargine ?? string.Empty;
-        var inPercentualeL = logoMargineStr.EndsWith('%');
-        var margineL = 0;
-        if (inPercentualeL)
-        {
-            var trimmed = logoMargineStr.TrimEnd('%');
-            if (!int.TryParse(trimmed, out margineL)) margineL = 0;
-        }
-        else
-        {
-            if (!int.TryParse(logoMargineStr, out margineL)) margineL = 0;
-        }
-        var margineUsato =
-            inPercentualeL ? System.Convert.ToInt32(imgOutputBig.Height * margineL / (double)100) : margineL;
-
-        int xPosOfWm = 0;
-        int yPosOfWm = 0;
-        var logoH = (picSettings.LogoPosizioneH ?? "NESSUNA").ToUpperInvariant();
-        var logoV = (picSettings.LogoPosizioneV ?? "NESSUNA").ToUpperInvariant();
-        switch (logoH)
-        {
-            case "SINISTRA":
-            case "NESSUNA":
-                {
-                    xPosOfWm = margineUsato;
-                    break;
-                }
-
-            case "CENTRO":
-                {
-                    xPosOfWm = System.Convert.ToInt32((imgOutputBig.Width - nuovaSize.Width) / (double)2);
-                    break;
-                }
-
-            case "DESTRA":
-                {
-                    xPosOfWm = ((imgOutputBig.Width - nuovaSize.Width) - margineUsato);
-                    break;
-                }
-        }
-
-        switch (logoV)
-        {
-            case "ALTO":
-            case "NESSUNA":
-                {
-                    yPosOfWm = margineUsato;
-                    break;
-                }
-
-            case "CENTRO":
-                {
-                    yPosOfWm = System.Convert.ToInt32((imgOutputBig.Height - nuovaSize.Height) / (double)2);
-                    break;
-                }
-
-            case "BASSO":
-                {
-                    yPosOfWm = ((imgOutputBig.Height - nuovaSize.Height) - margineUsato);
-                    break;
-                }
-        }
-
-        grWatermark.DrawImage(logo, new Rectangle(xPosOfWm, yPosOfWm, nuovaSize.Width, nuovaSize.Height), 0, 0,
-            logo.Width, logo.Height, GraphicsUnit.Pixel, imageAttributes);
-        //grWatermark.Dispose();
-    }
-
-
-    private void SavePhoto(Bitmap imgOutputBig, ImageState imgState, ImageFormat thisFormat)
-    {
-        var fileName = Path.Combine(imgState.DestDir.FullName, imgState.NomeFileBig);
-
-        using var image1Stream = new MemoryStream();
-        if (picSettings.FotoGrandeDimOrigina == false)
-        {
-            // attenzione non controlla se è png
-            // imgOutputBig.Save(Path.Combine(_DestDir.FullName, "Temp_" & NomeFileBig), thisFormat)
-            if (thisFormat.Equals(ImageFormat.Jpeg))
-            {
-                MakeImageCustomQuality(imgOutputBig, image1Stream, picSettings.JpegQuality);
-            }
-            //SalvaImmagineCustomQuality(imgOutputBig, Path.Combine(DestDir.FullName, "Temp_" + NomeFileBig), _picSettings.jpegQuality);
-            else
-            {
-                imgOutputBig.Save(image1Stream, thisFormat);
-            }
-
-            //imgOutputBig.Save(Path.Combine(DestDir.FullName, "Temp_" + NomeFileBig), thisFormat);
-            image1Stream.Seek(0, SeekOrigin.Begin);
-            using var g2 = Image.FromStream(image1Stream);
-            imgState.ThumbSizeBig = g2.Width > g2.Height
-                ? CalculateThumbnailSize(g2.Width, g2.Height, picSettings.LarghezzaBig, "Larghezza")
-                : CalculateThumbnailSize(g2.Width, g2.Height, picSettings.AltezzaBig, "Altezza");
-            using var imgOutputBig2 = new Bitmap(g2, imgState.ThumbSizeBig.Width, imgState.ThumbSizeBig.Height);
-
-            if (!picSettings.OverwriteFiles && File.Exists(fileName))
-            {
-                logger.LogInformation("Saltata foto {FileName}, esiste", fileName);
-            }
-            else
-            {
-                if (thisFormat.Equals(ImageFormat.Jpeg))
-                    SaveImageCustomQuality(imgOutputBig2, fileName, picSettings.JpegQuality);
-                else
-                    imgOutputBig2.Save(fileName, thisFormat);
-            }
-        }
-        else
-        {
-            if (!picSettings.OverwriteFiles && File.Exists(fileName))
-            {
-                logger.LogInformation("Saltata foto {FileName}, esiste", fileName);
-            }
-            else
-            {
-                if (thisFormat.Equals(ImageFormat.Jpeg))
-                    SaveImageCustomQuality(imgOutputBig, fileName, picSettings.JpegQuality);
-                else
-                    imgOutputBig.Save(fileName, thisFormat);
-            }
-        }
-
-        image1Stream.Seek(0, SeekOrigin.Begin);
-
-        if (!picSettings.CreaMiniature) return;
-        if (!picSettings.AggiungiScritteMiniature) return;
-
-        using var g1 = picSettings.FotoGrandeDimOrigina ? (Image)imgOutputBig.Clone() : Image.FromStream(image1Stream);
-
-        using var imgOutputSmall = new Bitmap(g1, imgState.ThumbSizeSmall.Width, imgState.ThumbSizeSmall.Height);
-
-        if (string.Equals(picSettings.DirectorySorgente, picSettings.DirectoryDestinazione,
-                StringComparison.OrdinalIgnoreCase))
-            imgState.NomeFileSmall = imgState.NomeFileSmall.Substring(0, imgState.NomeFileSmall.Length - 4) +
-                                     picSettings.Codice +
-                                     imgState.NomeFileSmall.Substring(imgState.NomeFileSmall.Length - 4);
-
-        var tnFileName = Path.Combine(imgState.DestDir.FullName, imgState.NomeFileSmall);
-
-        if (!picSettings.OverwriteFiles && File.Exists(tnFileName))
-        {
-            logger.LogInformation("Saltata miniatura foto {TnFileName}, esiste", tnFileName);
-        }
-        else
-        {
-            if (thisFormat.Equals(ImageFormat.Jpeg))
-                SaveImageCustomQuality(imgOutputSmall, tnFileName, picSettings.JpegQualityMin);
-            else
-                imgOutputSmall.Save(tnFileName, thisFormat);
-        }
-    }
-
-    private void SaveImageCustomQuality(Bitmap imageToSave, string nomeFileFinale, long quality)
-    {
-        var jgpEncoder = GetEncoder(ImageFormat.Jpeg);
-        var myEncoder = System.Drawing.Imaging.Encoder.Quality;
-
-        using var myEncoderParameters = new EncoderParameters(1);
-
-        var myEncoderParameter = new EncoderParameter(myEncoder, quality);
-        myEncoderParameters.Param[0] = myEncoderParameter;
-        imageToSave.Save(nomeFileFinale, jgpEncoder, myEncoderParameters);
-        //imageToSave.Dispose();
-    }
-
-    private void MakeImageCustomQuality(Bitmap imageToSave, Stream destinationStream, long quality)
-    {
-        var jgpEncoder = GetEncoder(ImageFormat.Jpeg);
-        var myEncoder = System.Drawing.Imaging.Encoder.Quality;
-
-        using var myEncoderParameters = new EncoderParameters(1);
-
-        var myEncoderParameter = new EncoderParameter(myEncoder, quality);
-        myEncoderParameters.Param[0] = myEncoderParameter;
-        destinationStream.Seek(0, SeekOrigin.Begin);
-        imageToSave.Save(destinationStream, jgpEncoder, myEncoderParameters);
-        //imageToSave.Dispose();
-    }
-
-    private ImageCodecInfo GetEncoder(ImageFormat format)
-    {
-        var codecs = ImageCodecInfo.GetImageDecoders();
-
-        foreach (var codec in codecs)
-        {
-            if (codec.FormatID == format.Guid)
-                return codec;
-        }
-
-        return null /* TODO Change to default(_) if this is not a reference type */;
-    }
-
-    /// <summary>
-    ///     ''' Calculate the Size of the New image
-    ///     ''' </summary>
-    ///     ''' <param name="currentwidth">Larghezza</param>
-    ///     ''' <param name="currentheight">Altezza</param>
-    ///     ''' <param name="maxPixel"></param>
-    ///     ''' <param name="tipoSize"></param>
-    ///     ''' <returns></returns>
-    ///     ''' <remarks></remarks>
-    private Size CalculateThumbnailSize(int currentwidth, int currentheight, int maxPixel, string tipoSize)
-    {
-        // e  
-        // *** Larghezza, Altezza, Auto
-
-        double tempMultiplier;
-
-        if (tipoSize.ToUpper() == "Larghezza".ToUpper())
-            tempMultiplier = maxPixel / (double)currentwidth;
-        else if (tipoSize.ToUpper() == "Altezza".ToUpper())
-            tempMultiplier = maxPixel / (double)currentheight;
-        else if (currentheight > currentwidth)
-            tempMultiplier = maxPixel / (double)currentheight;
-        else
-            tempMultiplier = maxPixel / (double)currentwidth;
-
-        var newSize = new Size(System.Convert.ToInt32(currentwidth * tempMultiplier),
-            System.Convert.ToInt32(currentheight * tempMultiplier));
-
-        return newSize;
-    }
-
-    private void SetVerticalPosition(int imgHeight, float textHeight, ImageState imgState)
-    {
-        // Use 1% of image height as minimum margin, or 10px, whichever is larger
-        float minMargin = Math.Max(10f, imgHeight * 0.01f);
-
-        switch (picSettings.Posizione.ToUpper())
-        {
-            case "ALTO":
-                imgState.YPosFromBottom1 = Math.Max(minMargin, picSettings.Margine);
-                imgState.YPosFromBottom4 = Math.Max(minMargin, picSettings.MargVert);
-                break;
-
-            case "BASSO":
-                var bottomMargin1 = (float)(imgHeight * picSettings.Margine / 100.0);
-                var bottomMargin4 = (float)(imgHeight * picSettings.MargVert / 100.0);
-
-                // Position from bottom: bottom edge of text at desired margin from bottom
-                // Y = imageHeight - textHeight - bottomMargin
-                var desiredY1 = imgHeight - textHeight - bottomMargin1;
-                var desiredY4 = imgHeight - textHeight - bottomMargin4;
-
-                // Ensure text stays completely within bounds:
-                // - Top edge must be >= minMargin (not clipped at top)
-                // - Bottom edge must be <= imgHeight - minMargin (not clipped at bottom)
-                var maxAllowedY1 = imgHeight - textHeight - minMargin; // Maximum Y to keep bottom margin
-                var maxAllowedY4 = imgHeight - textHeight - minMargin;
-
-                imgState.YPosFromBottom1 = Math.Max(minMargin, Math.Min(desiredY1, maxAllowedY1));
-                imgState.YPosFromBottom4 = Math.Max(minMargin, Math.Min(desiredY4, maxAllowedY4));
-                break;
-
-            case "CENTRO":
-            default:
-                // Center the text vertically
-                var centeredY = (imgHeight - textHeight) / 2f;
-                // Clamp to ensure margins are respected
-                imgState.YPosFromBottom1 = Math.Max(minMargin, Math.Min(centeredY, imgHeight - textHeight - minMargin));
-                imgState.YPosFromBottom4 = imgState.YPosFromBottom1;
-                break;
-        }
-    }
-
-    private float CalculateHorizontalAlignment(int imgWidth, float textWidth)
-    {
-        double halfWidth = textWidth / 2.0;
-
-        return picSettings.Allineamento.ToUpper() switch
-        {
-            "SINISTRA" => (float)Math.Min(picSettings.Margine + halfWidth, imgWidth / 2.0),
-            "DESTRA" => (float)Math.Max(imgWidth - picSettings.Margine - halfWidth, imgWidth / 2.0),
-            _ => imgWidth / 2.0f, // CENTRO or default
-        };
-    }
-
-    private void DrawText(Graphics g, ImageState imgState, float x, StringFormat format,
-        Brush shadowBrush, Brush textBrush, Font font)
-    {
-        string content = imgState.TestoFirmaPiccola;
-
-        if (picSettings.TestoMin)
-        {
-            content = imgState.NomeFileBig;
-        }
-        else if (picSettings.AggTempoGaraMin && picSettings.UsaTempoGaraTestoApplicare)
-        {
-            content = FormatTimeText(imgState, includeFileName: false);
-        }
-        else if (picSettings.AggNumTempMin)
-        {
-            content = FormatTimeText(imgState, includeFileName: true);
-        }
-
-        var offset = new PointF(x + 1, imgState.YPosFromBottom1 + 1);
-        var actual = new PointF(x, imgState.YPosFromBottom1);
-
-        g.DrawString(content, font, shadowBrush, offset, format);
-        g.DrawString(content, font, textBrush, actual, format);
-    }
-
-    private string FormatTimeText(ImageState imgState, bool includeFileName)
-    {
-        var diff = imgState.DataPartenzaI - imgState.DataFoto;
-        var ticks = (long)(diff.TotalSeconds * 10000000);
-        var time = new TimeSpan(ticks);
-
-        var formatted = $"{imgState.TestoOrario}{time:hh\\:mm\\:ss}";
-        return includeFileName
-            ? $"{imgState.NomeFileBig}{Environment.NewLine}{formatted}"
-            : Environment.NewLine + formatted;
-    }
-}
-#endif // WINDOWS

MaddoShared/ImageCreatorImageSharp.cs

@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Threading.Tasks;
-// System.Drawing not required for ImageSharp-based drawing in this class
 using Microsoft.Extensions.Logging;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Jpeg;
@@ -17,11 +16,8 @@ using SixLabors.ImageSharp.Drawing;
 namespace MaddoShared;
 
 /// <summary>
-/// Image creator implemented using SixLabors.ImageSharp for core image operations.
+/// Image creator implemented with SixLabors.ImageSharp for loading, EXIF orientation,
-/// This implementation focuses on loading, EXIF-orientation, resizing and saving.
+/// resizing, text/logo drawing, and saving.
-/// It intentionally implements a minimal subset of the original functionality to
-/// provide a safe and testable replacement. Additional features (text/logo drawing)
-/// can be added later using ImageSharp.Drawing.Common and SixLabors.Fonts.
 /// </summary>
 public class ImageCreatorImageSharp : IImageCreator
 {
@@ -38,12 +34,11 @@ public class ImageCreatorImageSharp : IImageCreator
     {
         ArgumentNullException.ThrowIfNull(imgState);
 
-        // Minimal preparation of names and settings normally done by ImageCreatorSharp.PrepareVariables
         PrepareVariablesMinimal(imgState);
 
         try
         {
-            _logger.LogInformation("[Alternate] Processing {File} -> {Dest}", imgState.WorkFile?.FullName, imgState.DestDir?.FullName);
+            _logger.LogInformation("[ImageSharp] Processing {File} -> {Dest}", imgState.WorkFile?.FullName, imgState.DestDir?.FullName);
 
             using var fs = File.OpenRead(imgState.WorkFile.FullName);
 
@@ -59,9 +54,6 @@ public class ImageCreatorImageSharp : IImageCreator
             // text to draw (horizontal vs vertical).
             ApplyExifOrientation(img, imgState);
 
-            // Determine output format
-            var forceJpg = _picSettings.UsaForzaJpg;
-
             // Compute big size
             var bigSize = ComputeBigSize(img.Width, img.Height);
 
@@ -71,10 +63,10 @@ public class ImageCreatorImageSharp : IImageCreator
             // Ensure destination exists
             imgState.DestDir?.Create();
 
-                var fileNameBig = System.IO.Path.Combine(imgState.DestDir.FullName, imgState.NomeFileBig);
+            var fileNameBig = System.IO.Path.Combine(imgState.DestDir.FullName, imgState.NomeFileBig);
 
             // Draw overlays (text/logo) onto big image using ImageSharp and save
-            await DrawAndSaveWithGdiAsync(imgBig, fileNameBig, imgState, logoData, _picSettings.JpegQuality, isThumbnail: false).ConfigureAwait(false);
+            await DrawAndSaveAsync(imgBig, fileNameBig, imgState, logoData, _picSettings.JpegQuality, isThumbnail: false).ConfigureAwait(false);
 
             // Create thumbnail if requested
             if (_picSettings.CreaMiniature)
@@ -85,20 +77,16 @@ public class ImageCreatorImageSharp : IImageCreator
                 var fileNameSmall = System.IO.Path.Combine(imgState.DestDir.FullName, imgState.NomeFileSmall);
 
                 // Draw overlays and save thumbnail via ImageSharp
-                await DrawAndSaveWithGdiAsync(imgSmall, fileNameSmall, imgState, logoData, _picSettings.JpegQualityMin, isThumbnail: true).ConfigureAwait(false);
+                await DrawAndSaveAsync(imgSmall, fileNameSmall, imgState, logoData, _picSettings.JpegQualityMin, isThumbnail: true).ConfigureAwait(false);
             }
         }
         catch (Exception ex)
         {
-            _logger.LogError(ex, "[Alternate] Error processing image {File}", imgState.WorkFile?.Name);
+            _logger.LogError(ex, "[ImageSharp] Error processing image {File}", imgState.WorkFile?.Name);
             throw;
         }
     }
 
-            
-
-    // Thumbnail overlays are rendered by the GDI+ pass in DrawAndSaveWithGdiAsync to match original rendering.
-
     private static SixLabors.ImageSharp.Formats.IImageEncoder GetEncoderForExtension(string ext, long quality)
     {
         quality = Math.Clamp(quality, 1, 100);
@@ -110,7 +98,7 @@ public class ImageCreatorImageSharp : IImageCreator
         };
     }
 
-    private async Task DrawAndSaveWithGdiAsync(Image<Rgba32> imgSharp, string outputPath, ImageState imgState, byte[]? logoData, long quality, bool isThumbnail)
+    private async Task DrawAndSaveAsync(Image<Rgba32> imgSharp, string outputPath, ImageState imgState, byte[]? logoData, long quality, bool isThumbnail)
     {
         // Use ImageSharp drawing APIs to render text and logos and save using ImageSharp encoders.
         // Clone editable image so we don't mutate the original reference unexpectedly.
@@ -125,13 +113,13 @@ public class ImageCreatorImageSharp : IImageCreator
         }
         catch (Exception ex)
         {
-            _logger?.LogDebug(ex, "[Alternate] Failed to clear EXIF orientation on working image");
+            _logger?.LogDebug(ex, "[ImageSharp] Failed to clear EXIF orientation on working image");
         }
 
         // Ensure DataFoto is set (extracted earlier) so time-based text is available
         imgState.DataFoto = imgState.CreationDate ?? DateTime.Now;
 
-        // Ensure thumbnail text is prepared similarly to ImageCreatorSharp logic
+        // Ensure thumbnail text is prepared before drawing.
         if (isThumbnail)
         {
             if (string.IsNullOrEmpty(imgState.TestoFirmaPiccola))
@@ -285,8 +273,7 @@ public class ImageCreatorImageSharp : IImageCreator
             });
         }
 
-        // Draw logo if provided. For compatibility with the original GDI implementation,
+        // Draw logos only on full-size images.
-        // do not draw the logo on thumbnails (ImageCreatorSharp only draws logos on big images).
         if (logoData != null && logoData.Length > 0 && _picSettings.LogoAggiungi && !isThumbnail)
         {
             try
@@ -414,7 +401,7 @@ public class ImageCreatorImageSharp : IImageCreator
                     }
                     catch (Exception ex)
                     {
-                        _logger.LogError(ex, "[Alternate] Invalid transparent color setting {Color}", _picSettings.TransparentColor);
+                        _logger.LogError(ex, "[ImageSharp] Invalid transparent color setting {Color}", _picSettings.TransparentColor);
                     }
                 }
 
@@ -429,7 +416,7 @@ public class ImageCreatorImageSharp : IImageCreator
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "[Alternate] Error drawing logo in ImageSharp pass");
+                _logger.LogError(ex, "[ImageSharp] Error drawing logo");
             }
         }
 
@@ -444,8 +431,6 @@ public class ImageCreatorImageSharp : IImageCreator
         await working.SaveAsync(outStream, encoder).ConfigureAwait(false);
     }
 
-    // Removed GDI encoder helper; ImageSharp encoders are used instead.
-
     private void PrepareVariablesMinimal(ImageState imgState)
     {
         imgState.NomeFileBig = imgState.WorkFile.Name;
@@ -454,7 +439,6 @@ public class ImageCreatorImageSharp : IImageCreator
         imgState.DimensioneStandardMiniatura = _picSettings.DimStandardMiniatura;
 
         // basic text / transparency defaults used by drawing routines
-        // AlphaScelta mirrors ImageCreatorSharp behavior: compute from PicSettings.Trasparenza (0-100)
         imgState.AlphaScelta = Convert.ToInt32((255 * (100 - _picSettings.Trasparenza) / (double)100));
 
         // Set minimal text fields so text drawing has fallback values
@@ -517,9 +501,7 @@ public class ImageCreatorImageSharp : IImageCreator
 
     private void ApplyExifOrientation(Image<Rgba32> img, ImageState imgState)
     {
-        // Common EXIF orientations: 1=TopLeft, 3=BottomRight (rotate 180), 6=RightTop (rotate 90 CW), 8=LeftBottom (rotate 270 CW)
+        // Set rotation flags on the state so other code can pick the correct text variant.
-        // Set rotation flags on the state so other code can pick the correct
-        // text variant (vertical vs horizontal). Mirror ImageCreatorSharp logic.
         imgState.FotoRuotaADestra = false;
         imgState.FotoRuotaASinistra = false;
 
@@ -567,11 +549,11 @@ public class ImageCreatorImageSharp : IImageCreator
         catch (Exception ex)
         {
             // Non-fatal: log and continue
-            _logger?.LogDebug(ex, "[Alternate] Could not clear EXIF orientation tag");
+            _logger?.LogDebug(ex, "[ImageSharp] Could not clear EXIF orientation tag");
         }
     }
 
-    private System.Drawing.Size ComputeBigSize(int width, int height)
+    private Size ComputeBigSize(int width, int height)
     {
         // If original large size option requested, return original
         // otherwise compute based on width/height limits from settings
@@ -580,16 +562,14 @@ public class ImageCreatorImageSharp : IImageCreator
             : CalculateThumbnailSize(width, height, _picSettings.AltezzaBig, "Altezza");
     }
 
-    private System.Drawing.Size ComputeSmallSize(int width, int height)
+    private Size ComputeSmallSize(int width, int height)
     {
         return width > height
             ? CalculateThumbnailSize(width, height, _picSettings.LarghezzaSmall, "Larghezza")
             : CalculateThumbnailSize(width, height, _picSettings.AltezzaSmall, "Altezza");
     }
 
-    // Helper to access PicSettings values via instance _picSettings
+    private static Size CalculateThumbnailSize(int currentwidth, int currentheight, int maxPixel, string tipoSize)
-
-    private static System.Drawing.Size CalculateThumbnailSize(int currentwidth, int currentheight, int maxPixel, string tipoSize)
     {
         double tempMultiplier;
         if (string.Equals(tipoSize, "Larghezza", StringComparison.OrdinalIgnoreCase))
@@ -601,7 +581,7 @@ public class ImageCreatorImageSharp : IImageCreator
         else
             tempMultiplier = maxPixel / (double)currentwidth;
 
-        var newSize = new System.Drawing.Size(Convert.ToInt32(currentwidth * tempMultiplier), Convert.ToInt32(currentheight * tempMultiplier));
+        var newSize = new Size(Convert.ToInt32(currentwidth * tempMultiplier), Convert.ToInt32(currentheight * tempMultiplier));
         return newSize;
     }
 

MaddoShared/ImageCreatorMapper.cs

@@ -1,54 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using Microsoft.Extensions.Logging;
-
-namespace MaddoShared;
-
-/// <summary>
-/// Dynamically resolves the concrete IImageCreator implementation at call time
-/// based on current PicSettings.ImageCreatorProvider.
-/// On non-Windows platforms only ImageCreatorImageSharp is available.
-/// </summary>
-public class ImageCreatorMapper : IImageCreator
-{
-    private readonly IServiceProvider _sp;
-    private readonly PicSettings _settings;
-    private readonly ILogger<ImageCreatorMapper> _logger;
-
-    public ImageCreatorMapper(IServiceProvider sp, PicSettings settings, ILogger<ImageCreatorMapper> logger)
-    {
-        _sp = sp ?? throw new ArgumentNullException(nameof(sp));
-        _settings = settings ?? throw new ArgumentNullException(nameof(settings));
-        _logger = logger;
-    }
-
-    public Task CreateImageAsync(ImageState imgState, byte[]? logoData)
-    {
-        var provider = (_settings.ImageCreatorProvider ?? "Sharp").Trim();
-        _logger?.LogDebug("Resolving IImageCreator for provider '{Provider}'", provider);
-
-#if WINDOWS
-        return provider.Equals("ALTERNATE", StringComparison.OrdinalIgnoreCase)
-            ? ResolveAndCall<ImageCreatorImageSharp>(imgState, logoData)
-            : ResolveAndCall<ImageCreatorGDI>(imgState, logoData);
-#else
-        // GDI is not available on non-Windows — always use ImageSharp
-        return ResolveAndCall<ImageCreatorImageSharp>(imgState, logoData);
-#endif
-    }
-
-    private Task ResolveAndCall<T>(ImageState imgState, byte[]? logoData) where T : IImageCreator
-    {
-        var impl = (IImageCreator?)_sp.GetService(typeof(T));
-        if (impl is null)
-        {
-            _logger?.LogWarning("Requested image creator {Type} is not registered. Falling back to ImageCreatorImageSharp.", typeof(T).Name);
-            impl = (IImageCreator?)_sp.GetService(typeof(ImageCreatorImageSharp));
-        }
-
-        if (impl is null)
-            throw new InvalidOperationException("No IImageCreator implementation is registered.");
-
-        return impl.CreateImageAsync(imgState, logoData);
-    }
-}

MaddoShared/ImageState.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Drawing;
 using System.IO;
 
 namespace MaddoShared;
@@ -28,18 +27,16 @@ public class ImageState
     public DateTime DataPartenzaI { get; set; }
     public string TestoOrario { get; set; }
     public string TestoFirmaPiccola { get; set; }
-    public Size ThumbSizeSmall { get; set; }
+    public string NomeFileSmall { get; set; }
-    public Size ThumbSizeBig { get; set; }
+    public string NomeFileBig { get; set; }
-    public string NomeFileSmall{ get; set; }
+    public string NomeFileBig2 { get; set; }
-    public string NomeFileBig{ get; set; }
-    public string NomeFileBig2{ get; set; }
 
-    public float YPosFromBottom{ get; set; }
+    public float YPosFromBottom { get; set; }
-    public float YPosFromBottom1{ get; set; }
+    public float YPosFromBottom1 { get; set; }
-    public float YPosFromBottom2{ get; set; }
+    public float YPosFromBottom2 { get; set; }
-    public float YPosFromBottom3{ get; set; }
+    public float YPosFromBottom3 { get; set; }
-    public float YPosFromBottom4{ get; set; }
+    public float YPosFromBottom4 { get; set; }
 
-    public Orientations Orientation{ get; set; }
+    public Orientations Orientation { get; set; }
-    public DateTime? CreationDate{ get; set; }
+    public DateTime? CreationDate { get; set; }
 }

MaddoShared/MaddoShared.csproj

@@ -6,8 +6,6 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <PlatformTarget>x64</PlatformTarget>
-    <!-- WINDOWS preprocessor symbol mirrors the -windows TFM suffix so #if WINDOWS guards work -->
-    <DefineConstants Condition="$([MSBuild]::IsOsPlatform('Windows'))">$(DefineConstants);WINDOWS</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AsyncEnumerator" Version="4.0.2" />
@@ -31,6 +29,5 @@
     <PackageReference Include="Microsoft.DotNet.UpgradeAssistant.Extensions.Default.Analyzers" Version="0.4.421302">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Windows.Compatibility" Version="10.0.3" Condition="$([MSBuild]::IsOsPlatform('Windows'))" />
   </ItemGroup>
 </Project>

MaddoShared/PicSettings.cs

@@ -1,6 +1,6 @@
 using System;
-using System.Drawing;
 using System.IO;
+using SixLabors.ImageSharp.PixelFormats;
 
 namespace MaddoShared;
 
@@ -35,7 +35,7 @@ public class PicSettings
     public int Margine { get; set; }
     public int LogoAltezza { get; set; }
     public int LogoLarghezza { get; set; }
-    public Color FontColoreRGB { get; set; }
+    public Rgba32 FontColoreRGB { get; set; } = new(255, 255, 0, 255);
     public bool LogoAggiungi { get; set; }
     // Initialize logo-related strings to safe defaults to avoid null reference issues
     public string LogoNomeFile { get; set; } = string.Empty;
@@ -81,6 +81,4 @@ public class PicSettings
     public bool FotoRuotaASinistra { get; set; } = false;
     public string TempMinText { get; set; } = string.Empty;
     public bool OverwriteFiles { get; set; } = false;
-    // Which image creator to use: "Sharp" for current implementation, "Alternate" for alternate library
-    public string ImageCreatorProvider { get; set; } = "Sharp";
 }

README.md

@@ -7,7 +7,7 @@ Catalog 3
 The build embeds an expiration date from the `CatalogLiteExpirationDate` MSBuild property:
 
 ```powershell
-dotnet publish CatalogLite/CatalogLite.csproj -c Release -r win-x64 --self-contained true -p:CatalogLiteExpirationDate=2026-12-31
+dotnet publish CatalogLite/CatalogLite.csproj -c Release -r win-x64 --self-contained false -p:PublishSingleFile=true -p:CatalogLiteExpirationDate=2026-12-31
 ```
 
 The separate Forgejo workflow is `.forgejo/workflows/build-catalog-lite.yml`; run it manually and set `expiration_date` in `yyyy-MM-dd` format.

docs/image-generation-tests-plan.md

@@ -51,7 +51,7 @@ Verification approach
 Scope boundaries
 ----------------
 - In scope: `ImageCreatorImageSharp` behavior: resize, EXIF rotation, text presence/position, logo position/opactiy, thumbnails.
-- Out of scope: `ImageCreatorGDI` (excluded), OCR verification of exact text glyphs, font-subpixel metrics, performance testing.
+- Out of scope: OCR verification of exact text glyphs, font-subpixel metrics, performance testing.
 
 Implementation notes
 --------------------

imagecatalog/AvaloniaViews/GeneralTabView.axaml

@@ -38,12 +38,6 @@
                         <TextBlock Text="Chunk:" VerticalAlignment="Center" Grid.Column="2" />
                         <TextBox Text="{Binding ChunkSize, Mode=TwoWay}" Width="74" Grid.Column="3" />
                     </Grid>
-
-                    <TextBlock Text="Libreria Immagini" FontWeight="Bold" />
-                    <StackPanel Margin="0,2,0,0" Spacing="3">
-                        <RadioButton Content="System.Graphics" IsChecked="{Binding UseSystemGraphics}" GroupName="Lib" IsVisible="{Binding IsRunningOnWindows}" />
-                        <RadioButton Content="ImageSharp" IsChecked="{Binding UseImageSharp}" GroupName="Lib" />
-                    </StackPanel>
                 </StackPanel>
 
                 <StackPanel Grid.Column="1" Spacing="8">

imagecatalog/DataModel.cs

@@ -6,12 +6,8 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Diagnostics;
-#if WINDOWS
-using System.Drawing.Text;
-#endif
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using System.Text;
 using System.Globalization;
 using System.Threading;
@@ -23,6 +19,7 @@ using AutoMapper;
 using MaddoShared;
 using Microsoft.Extensions.Logging;
 using System.Collections.ObjectModel;
+using SixLabors.Fonts;
 
 namespace ImageCatalog_2
 {
@@ -561,16 +558,19 @@ namespace ImageCatalog_2
 
         private List<string> LoadAvailableFonts()
         {
-#if WINDOWS
+            try
-            var fonts = new List<string>();
-            using (var installedFonts = new InstalledFontCollection())
             {
-                fonts.AddRange(installedFonts.Families.Select(f => f.Name));
+                return SystemFonts.Collection.Families
+                    .Select(f => f.Name)
+                    .Where(name => !string.IsNullOrWhiteSpace(name))
+                    .Distinct(StringComparer.OrdinalIgnoreCase)
+                    .OrderBy(name => name, StringComparer.CurrentCultureIgnoreCase)
+                    .ToList();
+            }
+            catch
+            {
+                return new List<string>();
             }
-            return fonts;
-#else
-            return new List<string>();
-#endif
         }
 
         private CancellationTokenSource? _mainToken;
@@ -841,56 +841,6 @@ namespace ImageCatalog_2
             set => _visual.LogoTransparency = value;
         }
 
-        // Image library selection (UI radio buttons bind to the boolean helpers)
-        private string _imageLibrary = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "System.Graphics" : "ImageSharp";
-
-        /// <summary>
-        /// Whether the application is running on Windows. Used by cross-platform UIs to show/hide Windows-only options.
-        /// </summary>
-        public bool IsRunningOnWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
-
-        /// <summary>
-        /// The selected image processing library. Possible values: "System.Graphics" or "ImageSharp".
-        /// This value is mirrored into PicSettings.ImageCreatorProvider so the runtime mapper picks the implementation.
-        /// </summary>
-        public string ImageLibrary
-        {
-            get => _imageLibrary;
-            set
-            {
-                if (_imageLibrary == value) return;
-                _imageLibrary = value;
-                // Reflect selection into PicSettings so mapper can resolve at runtime
-                _picSettings.ImageCreatorProvider = string.Equals(value, "ImageSharp", StringComparison.OrdinalIgnoreCase)
-                    ? "ALTERNATE"
-                    : "Sharp";
-                NotifyPropertyChanged();
-                NotifyPropertyChanged(nameof(UseSystemGraphics));
-                NotifyPropertyChanged(nameof(UseImageSharp));
-                NotifyPropertyChanged(nameof(IsRunningOnWindows));
-            }
-        }
-
-        public bool UseSystemGraphics
-        {
-            get => string.Equals(ImageLibrary, "System.Graphics", StringComparison.OrdinalIgnoreCase);
-            set
-            {
-                if (value) ImageLibrary = "System.Graphics";
-                NotifyPropertyChanged();
-            }
-        }
-
-        public bool UseImageSharp
-        {
-            get => string.Equals(ImageLibrary, "ImageSharp", StringComparison.OrdinalIgnoreCase);
-            set
-            {
-                if (value) ImageLibrary = "ImageSharp";
-                NotifyPropertyChanged();
-            }
-        }
-
         // Folder division settings
         private int _filesPerFolder = 99;
         public int FilesPerFolder

imagecatalog/ImageCatalog 2.csproj

@@ -72,6 +72,7 @@
     <PackageReference Include="AIFotoONLUS.Core" Version="0.1.2" Condition="'$(UseLocalAIFotoONLUS)' != 'true'" />
     <PackageReference Include="AutoMapper" Version="16.1.1" />
     <PackageReference Include="IconPacks.Avalonia" Version="2.0.0" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.3" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.8" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="10.0.8" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="10.0.8" />

imagecatalog/Mappings/DataModelMappingProfile.cs

@@ -1,6 +1,7 @@
-using System.Drawing;
+using AutoMapper;
-using AutoMapper;
 using MaddoShared;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
 
 namespace ImageCatalog_2.Mappings;
 
@@ -25,7 +26,7 @@ public class DataModelMappingProfile : Profile
             .ForMember(dest => dest.Allineamento, opt => opt.MapFrom(src => src.HorizontalAlignment))
             .ForMember(dest => dest.Trasparenza, opt => opt.MapFrom(src => src.TextTransparency))
             .ForMember(dest => dest.Margine, opt => opt.MapFrom(src => src.TextMargin))
-            .ForMember(dest => dest.FontColoreRGB, opt => opt.MapFrom(src => ColorTranslator.FromHtml(src.TextColorRGB)))
+            .ForMember(dest => dest.FontColoreRGB, opt => opt.MapFrom(src => ParseColor(src.TextColorRGB)))
 
             // Thumbnail settings
             .ForMember(dest => dest.AltezzaSmall, opt => opt.MapFrom(src => src.ThumbnailHeight))
@@ -91,4 +92,27 @@ public class DataModelMappingProfile : Profile
             .ForMember(dest => dest.FotoRuotaASinistra, opt => opt.Ignore())
             .ForMember(dest => dest.TempMinText, opt => opt.Ignore());
     }
+
+    private static Rgba32 ParseColor(string? value)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return new Rgba32(255, 255, 0, 255);
+        }
+
+        try
+        {
+            var normalized = value.Trim();
+            if (normalized.Length == 6 && normalized.All(Uri.IsHexDigit))
+            {
+                normalized = "#" + normalized;
+            }
+
+            return Color.Parse(normalized).ToPixel<Rgba32>();
+        }
+        catch
+        {
+            return new Rgba32(255, 255, 0, 255);
+        }
+    }
 }

imagecatalog/Models/SettingsDto.cs

@@ -192,11 +192,6 @@ namespace ImageCatalog_2.Models
         [XmlElement("UsaColoreTrasparente")]
         public bool UseTransparentColor { get; set; } = false;
 
-        // Selected image processing library (e.g., "System.Graphics" or "ImageSharp")
-        [JsonPropertyName("ImageLibrary")]
-        [XmlElement("ImageLibrary")]
-        public string ImageLibrary { get; set; } = "ImageSharp";
-
         // Options
         [JsonPropertyName("ForceJpeg")]
         [XmlElement("GeneraleForzaJpg")]

imagecatalog/Program.cs

@@ -143,13 +143,7 @@ static class Program
         services.AddTransient<IAiExtractionService, AiExtractionService>();
         services.AddTransient<IImageProcessingCoordinator, ImageProcessingCoordinator>();
         services.AddTransient<ImageCreationService>();
-#if WINDOWS
+        services.AddTransient<IImageCreator, ImageCreatorImageSharp>();
-        services.AddTransient<ImageCreatorGDI>();
-#endif
-        services.AddTransient<ImageCreatorImageSharp>();
-        services.AddTransient<ImageCreatorMapper>();
-
-        services.AddTransient<IImageCreator>(sp => sp.GetRequiredService<ImageCreatorMapper>());
 
         var userPrefsPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
             "ImageCatalog", "userprefs.xml");