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windowscodecs: Implement WriteSource for BMP frame encoder.

This commit is contained in:
Vincent Povirk 2009-08-11 17:32:51 -05:00 committed by Alexandre Julliard
parent 22bfe27fb0
commit 2df20cb921
1 changed files with 59 additions and 2 deletions
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61
dlls/windowscodecs/bmpencode.c
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@ -246,8 +246,65 @@ static HRESULT WINAPI BmpFrameEncode_WritePixels(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI BmpFrameEncode_WriteSource(IWICBitmapFrameEncode *iface,
IWICBitmapSource *pIBitmapSource, WICRect *prc)
{
FIXME("(%p,%p,%p): stub\n", iface, pIBitmapSource, prc);
return E_NOTIMPL;
BmpFrameEncode *This = (BmpFrameEncode*)iface;
HRESULT hr;
WICRect rc;
WICPixelFormatGUID guid;
TRACE("(%p,%p,%p)\n", iface, pIBitmapSource, prc);
if (!This->initialized || !This->width || !This->height)
return WINCODEC_ERR_WRONGSTATE;
if (!This->format)
{
hr = IWICBitmapSource_GetPixelFormat(pIBitmapSource, &guid);
if (FAILED(hr)) return hr;
hr = BmpFrameEncode_SetPixelFormat(iface, &guid);
if (FAILED(hr)) return hr;
}
hr = IWICBitmapSource_GetPixelFormat(pIBitmapSource, &guid);
if (FAILED(hr)) return hr;
if (memcmp(&guid, This->format->guid, sizeof(GUID)) != 0)
{
/* should use WICConvertBitmapSource to convert, but that's unimplemented */
ERR("format %s unsupported\n", debugstr_guid(&guid));
return E_FAIL;
}
if (This->xres == 0.0 || This->yres == 0.0)
{
double xres, yres;
hr = IWICBitmapSource_GetResolution(pIBitmapSource, &xres, &yres);
if (FAILED(hr)) return hr;
hr = BmpFrameEncode_SetResolution(iface, xres, yres);
if (FAILED(hr)) return hr;
}
if (!prc)
{
UINT width, height;
hr = IWICBitmapSource_GetSize(pIBitmapSource, &width, &height);
if (FAILED(hr)) return hr;
rc.X = 0;
rc.Y = 0;
rc.Width = width;
rc.Height = height;
prc = &rc;
}
if (prc->Width != This->width) return E_INVALIDARG;
hr = BmpFrameEncode_AllocateBits(This);
if (FAILED(hr)) return hr;
hr = IWICBitmapSource_CopyPixels(pIBitmapSource, prc, This->stride,
This->stride*(This->height-This->lineswritten),
This->bits + This->stride*This->lineswritten);
This->lineswritten += rc.Height;
return S_OK;
}
static HRESULT WINAPI BmpFrameEncode_Commit(IWICBitmapFrameEncode *iface)