private void Update(Rect rect)
{
if (_bitmap == null || _tileSetRenderer == null)
{
return;
}
_bitmap.Lock();
Int32Rect sourceArea = new Int32Rect((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height);
_bitmap.WritePixels(sourceArea, _tileSetRenderer.GetRectangle(sourceArea), sourceArea.Width * 4, sourceArea.X, sourceArea.Y);
_bitmap.AddDirtyRect(sourceArea);
_bitmap.Unlock();
}
private void UpdateTileBlock()
{
_tileBlockBitmap.Lock();
Int32Rect sourceRect = new Int32Rect((int)(BlockSelector.SelectedBlockValue % 16) * 16, (int)(BlockSelector.SelectedBlockValue / 16) * 16, 16, 16);
Int32Rect destRect = new Int32Rect(0, 0, 16, 16);
_tileBlockBitmap.WritePixels(destRect, _tileSetRenderer.GetRectangle(sourceRect), sourceRect.Width * 4, 0, 0);
_tileBlockBitmap.AddDirtyRect(destRect);
_tileBlockBitmap.Unlock();
}
