[1/5] windowscodecs: Implement QueryCapability in the PNG decoder.

Dmitry Timoshkov dmitry at baikal.ru
Mon Nov 19 02:01:20 CST 2012


---
 dlls/windowscodecs/pngformat.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/dlls/windowscodecs/pngformat.c b/dlls/windowscodecs/pngformat.c
index 89f092e..a49f071 100644
--- a/dlls/windowscodecs/pngformat.c
+++ b/dlls/windowscodecs/pngformat.c
@@ -351,11 +351,15 @@ static ULONG WINAPI PngDecoder_Release(IWICBitmapDecoder *iface)
     return ref;
 }
 
-static HRESULT WINAPI PngDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *pIStream,
-    DWORD *pdwCapability)
+static HRESULT WINAPI PngDecoder_QueryCapability(IWICBitmapDecoder *iface, IStream *stream,
+    DWORD *capability)
 {
-    FIXME("(%p,%p,%p): stub\n", iface, pIStream, pdwCapability);
-    return E_NOTIMPL;
+    TRACE("(%p,%p,%p)\n", iface, stream, capability);
+
+    if (!stream || !capability) return E_INVALIDARG;
+
+    *capability = WICBitmapDecoderCapabilityCanDecodeAllImages;
+    return S_OK;
 }
 
 static void user_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
-- 
1.7.12.4




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