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windowscodecs: Implement PixelFormatInfo_GetBitsPerPixel.

This commit is contained in:
Vincent Povirk 2012-04-16 15:40:35 -05:00 committed by Alexandre Julliard
parent d760b21ab6
commit 9dbd0833bc
1 changed files with 27 additions and 2 deletions
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29
dlls/windowscodecs/info.c
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@ -46,6 +46,7 @@ static const WCHAR containerformat_valuename[] = {'C','o','n','t','a','i','n','e
static const WCHAR metadataformat_valuename[] = {'M','e','t','a','d','a','t','a','F','o','r','m','a','t',0};
static const WCHAR vendor_valuename[] = {'V','e','n','d','o','r',0};
static const WCHAR version_valuename[] = {'V','e','r','s','i','o','n',0};
static const WCHAR bitsperpixel_valuename[] = {'B','i','t','L','e','n','g','t','h',0};
static HRESULT ComponentInfo_GetStringValue(HKEY classkey, LPCWSTR value,
UINT buffer_size, WCHAR *buffer, UINT *actual_size)
@ -106,6 +107,27 @@ static HRESULT ComponentInfo_GetGUIDValue(HKEY classkey, LPCWSTR value,
return hr;
}
static HRESULT ComponentInfo_GetDWORDValue(HKEY classkey, LPCWSTR value,
DWORD *result)
{
LONG ret;
DWORD cbdata = sizeof(DWORD);
if (!result)
return E_INVALIDARG;
ret = RegGetValueW(classkey, NULL, value, RRF_RT_DWORD, NULL,
result, &cbdata);
if (ret == ERROR_FILE_NOT_FOUND)
{
*result = 0;
return S_OK;
}
return HRESULT_FROM_WIN32(ret);
}
typedef struct {
IWICBitmapDecoderInfo IWICBitmapDecoderInfo_iface;
LONG ref;
@ -1231,8 +1253,11 @@ static HRESULT WINAPI PixelFormatInfo_GetColorContext(IWICPixelFormatInfo2 *ifac
static HRESULT WINAPI PixelFormatInfo_GetBitsPerPixel(IWICPixelFormatInfo2 *iface,
UINT *puiBitsPerPixel)
{
FIXME("(%p,%p): stub\n", iface, puiBitsPerPixel);
return E_NOTIMPL;
PixelFormatInfo *This = impl_from_IWICPixelFormatInfo2(iface);
TRACE("(%p,%p)\n", iface, puiBitsPerPixel);
return ComponentInfo_GetDWORDValue(This->classkey, bitsperpixel_valuename, puiBitsPerPixel);
}
static HRESULT WINAPI PixelFormatInfo_GetChannelCount(IWICPixelFormatInfo2 *iface,