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windowscodecs: Make it possible to use MetadataReaders when COM was not initialized.

This commit is contained in:
Piotr Caban 2015-03-05 12:13:00 +01:00 committed by Alexandre Julliard
parent ca5c0f6b14
commit f623042fb9
4 changed files with 18 additions and 19 deletions
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2
dlls/windowscodecs/clsfactory.c
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@ -41,7 +41,7 @@ extern HRESULT WINAPI WIC_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC
typedef struct {
REFCLSID classid;
HRESULT (*constructor)(REFIID,void**);
class_constructor constructor;
} classinfo;
static const classinfo wic_classes[] = {

31
dlls/windowscodecs/gifformat.c
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@ -545,7 +545,8 @@ static IStream *create_stream(const void *data, int data_size)
}
static HRESULT create_metadata_reader(const void *data, int data_size,
const CLSID *clsid, IWICMetadataReader **reader)
class_constructor constructor,
IWICMetadataReader **reader)
{
HRESULT hr;
IWICMetadataReader *metadata_reader;
@ -554,8 +555,7 @@ static HRESULT create_metadata_reader(const void *data, int data_size,
/* FIXME: Use IWICComponentFactory_CreateMetadataReader once it's implemented */
hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICMetadataReader, (void **)&metadata_reader);
hr = constructor(&IID_IWICMetadataReader, (void**)&metadata_reader);
if (FAILED(hr)) return hr;
hr = IWICMetadataReader_QueryInterface(metadata_reader, &IID_IWICPersistStream, (void **)&persist);
@ -900,8 +900,7 @@ static HRESULT create_IMD_metadata_reader(GifFrameDecode *This, IWICMetadataRead
/* FIXME: Use IWICComponentFactory_CreateMetadataReader once it's implemented */
hr = CoCreateInstance(&CLSID_WICIMDMetadataReader, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICMetadataReader, (void **)&metadata_reader);
hr = IMDReader_CreateInstance(&IID_IWICMetadataReader, (void **)&metadata_reader);
if (FAILED(hr)) return hr;
hr = IWICMetadataReader_QueryInterface(metadata_reader, &IID_IWICPersistStream, (void **)&persist);
@ -957,7 +956,7 @@ static HRESULT WINAPI GifFrameDecode_Block_GetReaderByIndex(IWICMetadataBlockRea
for (i = 0; i < This->frame->Extensions.ExtensionBlockCount; i++)
{
const CLSID *clsid;
class_constructor constructor;
const void *data;
int data_size;
@ -971,24 +970,24 @@ static HRESULT WINAPI GifFrameDecode_Block_GetReaderByIndex(IWICMetadataBlockRea
}
else if (This->frame->Extensions.ExtensionBlocks[i].Function == COMMENT_EXT_FUNC_CODE)
{
clsid = &CLSID_WICGifCommentMetadataReader;
constructor = GifCommentReader_CreateInstance;
data = This->frame->Extensions.ExtensionBlocks[i].Bytes;
data_size = This->frame->Extensions.ExtensionBlocks[i].ByteCount;
}
else
{
clsid = &CLSID_WICUnknownMetadataReader;
constructor = UnknownMetadataReader_CreateInstance;
data = This->frame->Extensions.ExtensionBlocks[i].Bytes;
data_size = This->frame->Extensions.ExtensionBlocks[i].ByteCount;
}
return create_metadata_reader(data, data_size, clsid, reader);
return create_metadata_reader(data, data_size, constructor, reader);
}
if (gce_index == -1) return E_INVALIDARG;
return create_metadata_reader(This->frame->Extensions.ExtensionBlocks[gce_index].Bytes + 3,
This->frame->Extensions.ExtensionBlocks[gce_index].ByteCount - 4,
&CLSID_WICGCEMetadataReader, reader);
GCEReader_CreateInstance, reader);
}
static HRESULT WINAPI GifFrameDecode_Block_GetEnumerator(IWICMetadataBlockReader *iface,
@ -1376,24 +1375,24 @@ static HRESULT WINAPI GifDecoder_Block_GetReaderByIndex(IWICMetadataBlockReader
if (index == 0)
return create_metadata_reader(This->LSD_data, sizeof(This->LSD_data),
&CLSID_WICLSDMetadataReader, reader);
LSDReader_CreateInstance, reader);
for (i = 0; i < This->gif->Extensions.ExtensionBlockCount; i++)
{
const CLSID *clsid;
class_constructor constructor;
if (index != i + 1) continue;
if (This->gif->Extensions.ExtensionBlocks[i].Function == APPLICATION_EXT_FUNC_CODE)
clsid = &CLSID_WICAPEMetadataReader;
constructor = APEReader_CreateInstance;
else if (This->gif->Extensions.ExtensionBlocks[i].Function == COMMENT_EXT_FUNC_CODE)
clsid = &CLSID_WICGifCommentMetadataReader;
constructor = GifCommentReader_CreateInstance;
else
clsid = &CLSID_WICUnknownMetadataReader;
constructor = UnknownMetadataReader_CreateInstance;
return create_metadata_reader(This->gif->Extensions.ExtensionBlocks[i].Bytes,
This->gif->Extensions.ExtensionBlocks[i].ByteCount,
clsid, reader);
constructor, reader);
}
return E_INVALIDARG;

3
dlls/windowscodecs/tiffformat.c
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@ -1223,8 +1223,7 @@ static HRESULT create_metadata_reader(TiffFrameDecode *This, IWICMetadataReader
/* FIXME: Use IWICComponentFactory_CreateMetadataReader once it's implemented */
hr = CoCreateInstance(&CLSID_WICIfdMetadataReader, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICMetadataReader, (void **)&metadata_reader);
hr = IfdMetadataReader_CreateInstance(&IID_IWICMetadataReader, (void **)&metadata_reader);
if (FAILED(hr)) return hr;
hr = IWICMetadataReader_QueryInterface(metadata_reader, &IID_IWICPersistStream, (void **)&persist);

1
dlls/windowscodecs/wincodecs_private.h
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@ -67,6 +67,7 @@ DECLARE_INTERFACE_(IMILUnknown2,IUnknown)
};
#undef INTERFACE
typedef HRESULT(*class_constructor)(REFIID,void**);
extern HRESULT FormatConverter_CreateInstance(REFIID riid, void** ppv) DECLSPEC_HIDDEN;
extern HRESULT ComponentFactory_CreateInstance(REFIID riid, void** ppv) DECLSPEC_HIDDEN;
extern HRESULT BmpDecoder_CreateInstance(REFIID riid, void** ppv) DECLSPEC_HIDDEN;