Vincent Povirk : windowscodecs: Partially implement IWICBitmapFlipRotator_CopyPixels.
Alexandre Julliard
julliard at winehq.org
Tue Apr 27 16:59:34 CDT 2010
Module: wine
Branch: master
Commit: 4f4812b447c3d6f41a77db648992ac49cbb63666
URL: http://source.winehq.org/git/wine.git/?a=commit;h=4f4812b447c3d6f41a77db648992ac49cbb63666
Author: Vincent Povirk <vincent at codeweavers.com>
Date: Tue Apr 27 13:15:33 2010 -0500
windowscodecs: Partially implement IWICBitmapFlipRotator_CopyPixels.
---
dlls/windowscodecs/fliprotate.c | 42 +++++++++++++++++++++++++++++++++++++-
1 files changed, 40 insertions(+), 2 deletions(-)
diff --git a/dlls/windowscodecs/fliprotate.c b/dlls/windowscodecs/fliprotate.c
index 7bbaf99..7dac252 100644
--- a/dlls/windowscodecs/fliprotate.c
+++ b/dlls/windowscodecs/fliprotate.c
@@ -135,9 +135,47 @@ static HRESULT WINAPI FlipRotator_CopyPalette(IWICBitmapFlipRotator *iface,
static HRESULT WINAPI FlipRotator_CopyPixels(IWICBitmapFlipRotator *iface,
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
{
- FIXME("(%p,%p,%u,%u,%p): stub\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
+ FlipRotator *This = (FlipRotator*)iface;
+ HRESULT hr;
+ UINT y;
+ UINT srcy, srcwidth, srcheight;
+ WICRect rc;
- return E_NOTIMPL;
+ TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
+
+ if (!This->source) return WINCODEC_ERR_WRONGSTATE;
+
+ if (This->swap_xy || This->flip_x)
+ {
+ /* This requires knowledge of the pixel format. */
+ FIXME("flipping x and rotating are not implemented\n");
+ return E_NOTIMPL;
+ }
+
+ hr = IWICBitmapSource_GetSize(This->source, &srcwidth, &srcheight);
+ if (FAILED(hr)) return hr;
+
+ for (y=prc->Y; y - prc->Y < prc->Height; y++)
+ {
+ if (This->flip_y)
+ srcy = srcheight - 1 - y;
+ else
+ srcy = y;
+
+ rc.X = prc->X;
+ rc.Y = srcy;
+ rc.Width = prc->Width;
+ rc.Height = 1;
+
+ hr = IWICBitmapSource_CopyPixels(This->source, &rc, cbStride, cbStride,
+ pbBuffer);
+
+ if (FAILED(hr)) break;
+
+ pbBuffer += cbStride;
+ }
+
+ return hr;
}
static HRESULT WINAPI FlipRotator_Initialize(IWICBitmapFlipRotator *iface,
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