vendor: import KillerPDF 1.7.5 source (GPL-3.0) as the base for MMD PDF

2026-08-27 06:58:22 +02:00
commit 532485a830
577 changed files with 149058 additions and 0 deletions
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+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
+using MigraDocCore.DocumentObjectModel.MigraDoc.DocumentObjectModel.Shapes;
+using System;
+using System.IO;
+using SixLabors.ImageSharp.Formats;
+using SixLabors.ImageSharp.Formats.Bmp;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.Formats.Png;
+
+namespace PdfSharpCore.Utils
+{
+    public class ImageSharpImageSource<TPixel> : ImageSource where TPixel : unmanaged, IPixel<TPixel>
+    {
+
+        public static IImageSource FromImageSharpImage(Image<TPixel> image, IImageFormat imgFormat, int? quality = 75)
+        {
+            var _path = "*" + Guid.NewGuid().ToString("B");
+            return new ImageSharpImageSourceImpl<TPixel>(_path, image, (int)quality, imgFormat is PngFormat);
+        }
+
+        protected override IImageSource FromBinaryImpl(string name, Func<byte[]> imageSource, int? quality = 75)
+        {
+            var image = Image.Load<TPixel>(imageSource.Invoke(), out IImageFormat imgFormat);
+            return new ImageSharpImageSourceImpl<TPixel>(name, image, (int)quality, imgFormat is PngFormat);
+        }
+
+        protected override IImageSource FromFileImpl(string path, int? quality = 75)
+        {
+            var image = Image.Load<TPixel>(path, out IImageFormat imgFormat);
+            return new ImageSharpImageSourceImpl<TPixel>(path, image, (int) quality, imgFormat is PngFormat);
+        }
+
+        protected override IImageSource FromStreamImpl(string name, Func<Stream> imageStream, int? quality = 75)
+        {
+            using (var stream = imageStream.Invoke())
+            {
+                var image = Image.Load<TPixel>(stream, out IImageFormat imgFormat);
+                return new ImageSharpImageSourceImpl<TPixel>(name, image, (int)quality, imgFormat is PngFormat);
+            }
+        }
+
+        private class ImageSharpImageSourceImpl<TPixel2> : IImageSource where TPixel2 : unmanaged, IPixel<TPixel2>
+        {
+            private Image<TPixel2> Image { get; }
+            private readonly int _quality;
+
+            public int Width => Image.Width;
+            public int Height => Image.Height;
+            public string Name { get; }
+            public bool Transparent { get; internal set; }
+
+            public ImageSharpImageSourceImpl(string name, Image<TPixel2> image, int quality, bool isTransparent)
+            {
+                Name = name;
+                Image = image;
+                _quality = quality;
+                Transparent = isTransparent;
+            }
+
+            public void SaveAsJpeg(MemoryStream ms)
+            {
+                Image.SaveAsJpeg(ms, new JpegEncoder() { Quality = this._quality });
+            }
+
+            public void Dispose()
+            {
+                Image.Dispose();
+            }
+            public void SaveAsPdfBitmap(MemoryStream ms)
+            {
+                BmpEncoder bmp = new BmpEncoder { BitsPerPixel = BmpBitsPerPixel.Pixel32 };
+                Image.Save(ms, bmp);
+            }
+        }
+    }
+}