Implemented Tango.RemoteDesktop.

Implemented png 8 bit quantization.
Implemented RasterFrame bounds clipping.
Refactored VectorFrame to use indexed colors.

1 files changed, 79 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.RemoteDesktop/Utils/DirectBitmap.cs b/Software/Visual_Studio/Tango.RemoteDesktop/Utils/DirectBitmap.cs
new file mode 100644
index 000000000..83b36fcfa
--- /dev/null
+++ b/Software/Visual_Studio/Tango.RemoteDesktop/Utils/DirectBitmap.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.RemoteDesktop.Utils
+{
+    /// <summary>
+    /// Represents a bitmap object with fast Get/Set Pixel methods.
+    /// </summary>
+    /// <seealso cref="System.IDisposable" />
+    public class DirectBitmap : IDisposable
+    {
+        public Bitmap Bitmap { get; private set; }
+        public Int32[] Bits { get; private set; }
+        public bool Disposed { get; private set; }
+        public int Height { get; private set; }
+        public int Width { get; private set; }
+
+        protected GCHandle BitsHandle { get; private set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DirectBitmap"/> class.
+        /// </summary>
+        /// <param name="width">The width.</param>
+        /// <param name="height">The height.</param>
+        public DirectBitmap(int width, int height)
+        {
+            Width = width;
+            Height = height;
+            Bits = new Int32[width * height];
+            BitsHandle = GCHandle.Alloc(Bits, GCHandleType.Pinned);
+            Bitmap = new Bitmap(width, height, width * 4, PixelFormat.Format32bppPArgb, BitsHandle.AddrOfPinnedObject());
+        }
+
+        /// <summary>
+        /// Sets the pixel color.
+        /// </summary>
+        /// <param name="x">The x position.</param>
+        /// <param name="y">The y position.</param>
+        /// <param name="color">The color.</param>
+        public void SetPixel(int x, int y, Color color)
+        {
+            int index = x + (y * Width);
+            int col = color.ToArgb();
+
+            Bits[index] = col;
+        }
+
+        /// <summary>
+        /// Gets the pixel color.
+        /// </summary>
+        /// <param name="x">The x position.</param>
+        /// <param name="y">The y position.</param>
+        /// <returns></returns>
+        public Color GetPixel(int x, int y)
+        {
+            int index = x + (y * Width);
+            int col = Bits[index];
+            Color result = Color.FromArgb(col);
+
+            return result;
+        }
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        public void Dispose()
+        {
+            if (Disposed) return;
+            Disposed = true;
+            BitsHandle.Free();
+        }
+    }
+}