/// <summary> /// Bitblt extension for the graphics object /// </summary> /// <param name="target"></param> /// <param name="source"></param> public static void BitBlt(this Graphics target, Bitmap sourceBitmap, Rectangle source, Point destination, CopyPixelOperation rop) { using (SafeDeviceContextHandle targetDC = target.GetSafeDeviceContext()) { using (SafeCompatibleDCHandle safeCompatibleDCHandle = CreateCompatibleDC(targetDC)) { using (SafeHBitmapHandle hBitmapHandle = new SafeHBitmapHandle(sourceBitmap.GetHbitmap())) { using (safeCompatibleDCHandle.SelectObject(hBitmapHandle)) { BitBlt(targetDC, destination.X, destination.Y, source.Width, source.Height, safeCompatibleDCHandle, source.Left, source.Top, rop); } } } } }
/// <summary> /// StretchBlt extension for the graphics object /// Doesn't work? /// </summary> /// <param name="target"></param> /// <param name="source"></param> public static void StretchBlt(this Graphics target, Bitmap sourceBitmap, Rectangle source, Rectangle destination) { using (SafeDeviceContextHandle targetDC = target.getSafeDeviceContext()) { using (SafeCompatibleDCHandle safeCompatibleDCHandle = CreateCompatibleDC(targetDC)) { using (SafeHBitmapHandle hBitmapHandle = new SafeHBitmapHandle(sourceBitmap.GetHbitmap())) { using (SafeSelectObjectHandle selectObject = safeCompatibleDCHandle.SelectObject(hBitmapHandle)) { StretchBlt(targetDC, destination.X, destination.Y, destination.Width, destination.Height, safeCompatibleDCHandle, source.Left, source.Top, source.Width, source.Height, CopyPixelOperation.SourceCopy); } } } } }