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windowscodecs: Implement Initialize for the PNG frame encoder.

This commit is contained in:
Vincent Povirk 2009-09-23 15:06:11 -05:00 committed by Alexandre Julliard
parent 049a2e0c0c
commit 6afcb2eb33
1 changed files with 10 additions and 2 deletions
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12
dlls/windowscodecs/pngformat.c
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@ -673,6 +673,7 @@ typedef struct PngEncoder {
png_structp png_ptr;
png_infop info_ptr;
UINT frame_count;
BOOL frame_initialized;
} PngEncoder;
static inline PngEncoder *encoder_from_frame(IWICBitmapFrameEncode *iface)
@ -718,8 +719,14 @@ static ULONG WINAPI PngFrameEncode_Release(IWICBitmapFrameEncode *iface)
static HRESULT WINAPI PngFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
IPropertyBag2 *pIEncoderOptions)
{
FIXME("(%p,%p): stub\n", iface, pIEncoderOptions);
return E_NOTIMPL;
PngEncoder *This = encoder_from_frame(iface);
TRACE("(%p,%p)\n", iface, pIEncoderOptions);
if (This->frame_initialized) return WINCODEC_ERR_WRONGSTATE;
This->frame_initialized = TRUE;
return S_OK;
}
static HRESULT WINAPI PngFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
@ -1038,6 +1045,7 @@ HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This->info_ptr = NULL;
This->stream = NULL;
This->frame_count = 0;
This->frame_initialized = FALSE;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);