Neuerstellung

- Quelle: https://github.com/oxyplot/oxyplot
2023-09-02 09:24:59 +02:00
commit 9520c1fa4a
810 changed files with 117869 additions and 0 deletions
--- a/Source/OxyPlot.ImageSharp/MirrorPadProcessor.cs
+++ b/Source/OxyPlot.ImageSharp/MirrorPadProcessor.cs
@@ -0,0 +1,45 @@
+namespace OxyPlot.ImageSharp
+{
+    using SixLabors.ImageSharp;
+    using SixLabors.ImageSharp.PixelFormats;
+    using SixLabors.ImageSharp.Processing.Processors;
+
+    /// <summary>
+    /// Performs a 'mirror' (clamp) along the edge of the image, which is used to assist with drawing non-pixel aligned and interpolate images.
+    /// </summary>
+    internal class MirrorPadProcessor : IImageProcessor
+    {
+        private class MirrorPadImplementation<TPixel> : ImageProcessor<TPixel> where TPixel : unmanaged, IPixel<TPixel>
+        {
+            public MirrorPadImplementation(Configuration configuration, Image<TPixel> source, Rectangle sourceRectangle)
+                : base(configuration, source, sourceRectangle)
+            {
+            }
+
+            protected override void OnFrameApply(ImageFrame<TPixel> source)
+            {
+                source[0, 0] = source[1, 1];
+                source[source.Width - 1, 0] = source[source.Width - 2, 1];
+                source[0, source.Height - 1] = source[1, source.Height - 2];
+                source[source.Width - 1, source.Height - 1] = source[source.Width - 2, source.Height - 2];
+
+                for (int x = 1; x < source.Width - 1; x++)
+                {
+                    source[x, 0] = source[x, 1];
+                    source[x, source.Height - 1] = source[x, source.Height - 2];
+                }
+
+                for (int y = 1; y < source.Height - 1; y++)
+                {
+                    source[0, y] = source[1, y];
+                    source[source.Width - 1, y] = source[source.Width - 2, y];
+                }
+            }
+        }
+
+        public IImageProcessor<TPixel> CreatePixelSpecificProcessor<TPixel>(Configuration configuration, Image<TPixel> source, Rectangle sourceRectangle) where TPixel : unmanaged, IPixel<TPixel>
+        {
+            return new MirrorPadImplementation<TPixel>(configuration, source, sourceRectangle);
+        }
+    }
+}