@ re-added source code with new directory structure

Source/Core/IO/UnknownImageReader.cs

@@ -0,0 +1,115 @@
+
+#region ================== Copyright (c) 2007 Pascal vd Heiden
+
+/*
+ * Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
+ * This program is released under GNU General Public License
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ */
+
+#endregion
+
+#region ================== Namespaces
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.IO;
+using CodeImp.DoomBuilder.Map;
+using CodeImp.DoomBuilder.Geometry;
+using System.Drawing;
+using CodeImp.DoomBuilder.Data;
+using CodeImp.DoomBuilder.Rendering;
+using System.Drawing.Imaging;
+
+#endregion
+
+namespace CodeImp.DoomBuilder.IO
+{
+	internal unsafe class UnknownImageReader : IImageReader
+	{
+		#region ================== Constructor / Disposer
+
+		// Constructor
+		public UnknownImageReader()
+		{
+			// We have no destructor
+			GC.SuppressFinalize(this);
+		}
+
+		#endregion
+
+		#region ================== Methods
+
+		// This creates a Bitmap from the given data
+		// Returns null on failure
+		public Bitmap ReadAsBitmap(Stream stream, out int offsetx, out int offsety)
+		{
+			offsetx = int.MinValue;
+			offsety = int.MinValue;
+			return ReadAsBitmap(stream);
+		}
+
+		// This reads the image and returns a Bitmap
+		public Bitmap ReadAsBitmap(Stream stream)
+		{
+			return new Bitmap(CodeImp.DoomBuilder.Properties.Resources.Failed);
+		}
+
+		// This reads the image and returns a Bitmap
+		public static Bitmap ReadAsBitmap()
+		{
+			return new Bitmap(CodeImp.DoomBuilder.Properties.Resources.Failed);
+		}
+
+		// This draws the picture to the given pixel color data
+		// Throws exception on failure
+		public unsafe void DrawToPixelData(Stream stream, PixelColor* target, int targetwidth, int targetheight, int x, int y)
+		{
+			Bitmap bmp;
+			BitmapData bmpdata;
+			PixelColor* pixels;
+			int ox, oy, tx, ty;
+			int width, height;
+
+			// Get bitmap
+			bmp = ReadAsBitmap(stream);
+			width = bmp.Size.Width;
+			height = bmp.Size.Height;
+
+			// Lock bitmap pixels
+			bmpdata = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
+			pixels = (PixelColor*)bmpdata.Scan0.ToPointer();
+
+			// Go for all pixels in the original image
+			for(ox = 0; ox < width; ox++)
+			{
+				for(oy = 0; oy < height; oy++)
+				{
+					// Copy this pixel?
+					if(pixels[oy * width + ox].a > 0.5f)
+					{
+						// Calculate target pixel and copy when within bounds
+						tx = x + ox;
+						ty = y + oy;
+						if((tx >= 0) && (tx < targetwidth) && (ty >= 0) && (ty < targetheight))
+							target[ty * targetwidth + tx] = pixels[oy * width + ox];
+					}
+				}
+			}
+
+			// Done
+			bmp.UnlockBits(bmpdata);
+			bmp.Dispose();
+		}
+		
+		#endregion
+	}
+}