private void ChangeImage(string file)
{
if (file == "")
{
currentimage = "";
pixbuf = null;
return;
}
try {
pixbuf = new Pixbuf(tilesetdir + "/" + file);
if (pixbuf.Width % TileSet.TILE_WIDTH != 0 || pixbuf.Height % TileSet.TILE_HEIGHT != 0)
{
Console.WriteLine("Warning: Image Width or Height is not a multiple of 32");
}
} catch (Exception e) {
ShowException(e);
return;
}
currentimage = new FileInfo(file).Name;
TilesX = pixbuf.Width / TileSet.TILE_WIDTH;
TilesY = pixbuf.Height / TileSet.TILE_HEIGHT;
SelectionArray = new bool[TilesX * TilesY];
Tiles = new Tile[TilesX * TilesY];
// search tileset for tiles with matching image
foreach (Tile tile in tileset.Tiles)
{
if (tile == null)
{
continue;
}
if (tile.Images.Count == 0)
{
continue;
}
ImageRegion region = (ImageRegion)tile.Images[0];
if (region.ImageFile == currentimage)
{
int px = region.Region.X / TileSet.TILE_WIDTH;
int py = region.Region.Y / TileSet.TILE_HEIGHT;
int i = py * TilesX + px;
if (i < 0 || i >= Tiles.Length)
{
Console.WriteLine("Invalid Imageregion at tile " +
tile.ID);
continue;
}
if (Tiles[i] != null)
{
Console.WriteLine("Multiple tiles for region " +
px * TileSet.TILE_WIDTH + " , " + py * TileSet.TILE_HEIGHT);
continue;
}
Tiles[i] = tile;
}
}
/* DrawingArea.Allocation
* = new Gdk.Rectangle(0, 0, pixbuf.Width, pixbuf.Height);*/
DrawingArea.WidthRequest = pixbuf.Width;
DrawingArea.HeightRequest = pixbuf.Height;
DrawingArea.QueueResize();
}