public void AddDirtyRect(Int32Rect dirtyRect)
{
WritePreamble();
if (_lockCount == 0)
{
throw new InvalidOperationException(SR.Get(SRID.Image_MustBeLocked));
}
if (_pInteropDeviceBitmap == null)
{
throw new InvalidOperationException(SR.Get(SRID.D3DImage_MustHaveBackBuffer));
}
dirtyRect.ValidateForDirtyRect("dirtyRect", PixelWidth, PixelHeight);
if (dirtyRect.HasArea)
{
// Unmanaged code will make sure that the rect is well-formed
HRESULT.Check(UnsafeNativeMethods.InteropDeviceBitmap.AddDirtyRect(
dirtyRect.X,
dirtyRect.Y,
dirtyRect.Width,
dirtyRect.Height,
_pInteropDeviceBitmap
));
// We're now dirty, but we won't consider it a change until Unlock
_isDirty = true;
_isChangePending = true;
}
}
public void AddDirtyRect(Int32Rect dirtyRect)
{
WritePreamble();
if (_lockCount == 0)
{
throw new InvalidOperationException(SR.Get(SRID.Image_MustBeLocked));
}
//
// Sanitize the dirty rect.
//
dirtyRect.ValidateForDirtyRect("dirtyRect", _pixelWidth, _pixelHeight);
if (dirtyRect.HasArea)
{
MILSwDoubleBufferedBitmap.AddDirtyRect(
_pDoubleBufferedBitmap,
ref dirtyRect);
_hasDirtyRects = true;
}
// Note: we do not call WritePostscript because we do not want to
// raise change notifications until the writeable bitmap is unlocked.
}