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windowscodecs: Implement SetResolution for the PNG encoder.

This commit is contained in:
Vincent Povirk 2009-09-23 16:56:56 -05:00 committed by Alexandre Julliard
parent e324b8ef4c
commit 6bc71039b1
1 changed files with 12 additions and 2 deletions
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14
dlls/windowscodecs/pngformat.c
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@ -700,6 +700,7 @@ typedef struct PngEncoder {
const struct png_pixelformat *format;
BOOL info_written;
UINT width, height;
double xres, yres;
} PngEncoder;
static inline PngEncoder *encoder_from_frame(IWICBitmapFrameEncode *iface)
@ -772,8 +773,15 @@ static HRESULT WINAPI PngFrameEncode_SetSize(IWICBitmapFrameEncode *iface,
static HRESULT WINAPI PngFrameEncode_SetResolution(IWICBitmapFrameEncode *iface,
double dpiX, double dpiY)
{
FIXME("(%p,%0.2f,%0.2f): stub\n", iface, dpiX, dpiY);
return E_NOTIMPL;
PngEncoder *This = encoder_from_frame(iface);
TRACE("(%p,%0.2f,%0.2f)\n", iface, dpiX, dpiY);
if (!This->frame_initialized || This->info_written) return WINCODEC_ERR_WRONGSTATE;
This->xres = dpiX;
This->yres = dpiY;
return S_OK;
}
static HRESULT WINAPI PngFrameEncode_SetPixelFormat(IWICBitmapFrameEncode *iface,
@ -1099,6 +1107,8 @@ HRESULT PngEncoder_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
This->info_written = FALSE;
This->width = 0;
This->height = 0;
This->xres = 0.0;
This->yres = 0.0;
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
IUnknown_Release((IUnknown*)This);