public void GenerateTiles()
{
if (this.IsJPEG)
{
return;
}
if (this.Width != 1024 || this.Height != 1024)
{
return;
}
Tile[] tiles = new Tile[16];
Bitmap.Graphics[] graphics = new Bitmap.Graphics[16];
foreach (Image member in this.Members)
{
int startX = member.ChunkX;
int startY = member.ChunkY;
int endX = startX + member.Width;
int endY = startY + member.Height;
int tileStartX = startX / 256;
int tileStartY = startY / 256;
int tileEndX = (endX - 1) / 256;
int tileEndY = (endY - 1) / 256;
for (int tileY = tileStartY; tileY <= tileEndY; ++tileY)
{
for (int tileX = tileStartX; tileX <= tileEndX; ++tileX)
{
int tileIndex = tileX + tileY * 4;
Bitmap.Graphics tile = graphics[tileIndex];
if (tile == null)
{
tiles[tileIndex] = new Tile()
{
Bitmap = new Bitmap(256, 256),
ChunkX = 256 * tileX,
ChunkY = 256 * tileY,
Width = 256,
Height = 256,
};
tile = tiles[tileIndex].Bitmap.MakeGraphics();
graphics[tileIndex] = tile;
}
tile.Blit(member.Bitmap, member.ChunkX - tileX * 256, member.ChunkY - tileY * 256);
}
}
this.Tiles = new List <Tile>(tiles.Where(t => t != null));
}
foreach (Bitmap.Graphics graphicsInstance in graphics)
{
if (graphicsInstance != null)
{
graphicsInstance.Cleanup();
}
}
}
public IconSetGenerator AddInputImage(Bitmap bmp)
{
if (bmp.Width != bmp.Height)
{
int size = Math.Max(bmp.Width, bmp.Height);
Bitmap newBmp = new Bitmap(size, size);
this.ownedBitmapReferences.Add(newBmp);
Bitmap.Graphics g = newBmp.MakeGraphics();
int x = (size - bmp.Width) / 2;
int y = (size - bmp.Height) / 2;
g.Blit(bmp, x, y);
bmp = newBmp;
}
this.bitmaps.Add(bmp);
this.bitmapMaxDimenion.Add(Math.Max(bmp.Width, bmp.Height));
return(this);
}
public Dictionary <int, Bitmap> Generate()
{
Dictionary <int, Bitmap> lookup = new Dictionary <int, Bitmap>();
Bitmap[] sources = this.bitmaps.OrderBy(b => - b.Width).ToArray();
foreach (int desiredSize in this.outputSizes)
{
Bitmap source = this.FindBestMatch(sources, desiredSize);
Bitmap bmp = new Bitmap(desiredSize, desiredSize);
Bitmap.Graphics g = bmp.MakeGraphics();
g.Blit(source, 0, 0, desiredSize, desiredSize);
g.Cleanup();
lookup.Add(desiredSize, bmp);
}
this.Cleanup();
return(lookup);
}