private static SKBitmap[] LoadTiles(SKBitmap texture, int frameCount)
{
var src = new SKRectI(0, 0, texture.Width / frameCount, texture.Height);
var tileInfo = texture.Info.WithSize(src.Width, src.Height);
Debug.Assert(tileInfo.RowBytes == src.Width * texture.Info.BytesPerPixel);
var ret = new SKBitmap[frameCount];
for (int i = 0; i < frameCount; i++, src.Offset(src.Width, 0))
{
var tile = new SKBitmap(tileInfo);
if (!texture.ExtractSubset(tile, src))
{
throw new InvalidOperationException($"Failed to extract tile {i} from texture {texture}");
}
tile.SetImmutable();
ret[i] = tile;
}
return(ret);
}
