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windowscodecs: Implement SetSize for the PNG encoder.

This commit is contained in:
Vincent Povirk 2009-09-23 16:39:12 -05:00 committed by Alexandre Julliard
parent a2214f04d4
commit e324b8ef4c
1 changed files with 12 additions and 2 deletions
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14
dlls/windowscodecs/pngformat.c
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@ -699,6 +699,7 @@ typedef struct PngEncoder {
BOOL frame_initialized; BOOL frame_initialized;
const struct png_pixelformat *format; const struct png_pixelformat *format;
BOOL info_written; BOOL info_written;
UINT width, height;
} PngEncoder; } PngEncoder;
static inline PngEncoder *encoder_from_frame(IWICBitmapFrameEncode *iface) static inline PngEncoder *encoder_from_frame(IWICBitmapFrameEncode *iface)
@ -757,8 +758,15 @@ static HRESULT WINAPI PngFrameEncode_Initialize(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_SetSize(IWICBitmapFrameEncode *iface, static HRESULT WINAPI PngFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
UINT uiWidth, UINT uiHeight) UINT uiWidth, UINT uiHeight)
{ {
FIXME("(%p,%u,%u): stub\n", iface, uiWidth, uiHeight); PngEncoder *This = encoder_from_frame(iface);
return E_NOTIMPL; TRACE("(%p,%u,%u)\n", iface, uiWidth, uiHeight);
if (!This->frame_initialized || This->info_written) return WINCODEC_ERR_WRONGSTATE;
This->width = uiWidth;
This->height = uiHeight;
return S_OK;
} }
static HRESULT WINAPI PngFrameEncode_SetResolution(IWICBitmapFrameEncode *iface, static HRESULT WINAPI PngFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
@ -1089,6 +1097,8 @@ HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This->frame_initialized = FALSE; This->frame_initialized = FALSE;
This->format = NULL; This->format = NULL;
This->info_written = FALSE; This->info_written = FALSE;
This->width = 0;
This->height = 0;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv); ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This); IUnknown_Release((IUnknown*)This);