/// <summary>
/// Extracts the tileset.
/// </summary>
/// <param name="chipsetBitmap">The chipset bitmap.</param>
/// <returns>Tileset in XP format.</returns>
private Bitmap ExtractTileset(Bitmap chipsetBitmap)
{
// There is own background color tiles in chipset for top and low layers
Color lowLayerBackgroundColor = chipsetBitmap.GetPixel(368, 112);
Color topLayerBackgroundColor = chipsetBitmap.GetPixel(288, 128);
Bitmap destinationBitmap = new Bitmap(128, 768);
using (Graphics graphics = GraphicsUtils.GetGraphicsForScaling(destinationBitmap))
{
// Low layer tiles
Bitmap temporaryBitmap = chipsetBitmap.Clone(new Rectangle(192, 0, 96, 256), PixelFormat.DontCare);
temporaryBitmap.MakeTransparent(lowLayerBackgroundColor);
graphics.DrawImage(temporaryBitmap, new Rectangle(0, 0, 96, 256));
temporaryBitmap.Dispose();
temporaryBitmap = chipsetBitmap.Clone(new Rectangle(288, 0, 96, 128), PixelFormat.DontCare);
temporaryBitmap.MakeTransparent(lowLayerBackgroundColor);
graphics.DrawImage(temporaryBitmap, new Rectangle(0, 256, 96, 128));
temporaryBitmap.Dispose();
// Top layer tiles
temporaryBitmap = chipsetBitmap.Clone(new Rectangle(288, 128, 96, 128), PixelFormat.DontCare);
temporaryBitmap.MakeTransparent(topLayerBackgroundColor);
graphics.DrawImage(temporaryBitmap, new Rectangle(0, 384, 96, 128));
temporaryBitmap.Dispose();
temporaryBitmap = chipsetBitmap.Clone(new Rectangle(384, 0, 96, 256), PixelFormat.DontCare);
temporaryBitmap.MakeTransparent(topLayerBackgroundColor);
graphics.DrawImage(temporaryBitmap, new Rectangle(0, 512, 96, 256));
temporaryBitmap.Dispose();
// Adding center tiles from autotiles for easier use
foreach (BitmapRelationMap bitmapRelationMap in tilesBitmapRelationMaps)
{
temporaryBitmap = chipsetBitmap.Clone(bitmapRelationMap.SourceRectangle, PixelFormat.DontCare);
graphics.DrawImage(temporaryBitmap, bitmapRelationMap.DestinationRectangle);
temporaryBitmap.Dispose();
}
}
// XP tiles are twice the size of 2000 tiles so they need to scaled up
Bitmap scaledBitmap = new Bitmap(256, 768 * 2);
using (Graphics scaleGraphics = GraphicsUtils.GetGraphicsForScaling(scaledBitmap))
{
scaleGraphics.DrawImage(destinationBitmap, new Rectangle(0, 0, 256, 768 * 2));
}
destinationBitmap.Dispose();
return(scaledBitmap);
}