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gdiplus: When loading a bitmap frame save its IWICMetadataReader interface.

This commit is contained in:
Dmitry Timoshkov 2012-06-25 20:30:34 +09:00 committed by Alexandre Julliard
parent b72ac222ea
commit b72d236ca8
2 changed files with 25 additions and 0 deletions
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2
dlls/gdiplus/gdiplus_private.h
View File

@ -29,6 +29,7 @@
#include "objbase.h"
#include "ocidl.h"
#include "wincodecsdk.h"
#include "wine/list.h"
#include "gdiplus.h"
@ -309,6 +310,7 @@ struct GpBitmap{
INT stride; /* stride of bits if this is a DIB */
BYTE *own_bits; /* image bits that need to be freed with this object */
INT lockx, locky; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
IWICMetadataReader *metadata_reader; /* NULL if there is no metadata */
};
struct GpCachedBitmap{

23
dlls/gdiplus/image.c
View File

@ -17,6 +17,7 @@
*/
#include <stdarg.h>
#include <assert.h>
#define NONAMELESSUNION
@ -1785,6 +1786,7 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
(*bitmap)->bits = bits;
(*bitmap)->stride = stride;
(*bitmap)->own_bits = own_bits;
(*bitmap)->metadata_reader = NULL;
/* set format-related flags */
if (format & (PixelFormatAlpha|PixelFormatPAlpha|PixelFormatIndexed))
@ -1967,6 +1969,11 @@ GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
* and free src. */
static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
{
assert(src->image.type == ImageTypeBitmap);
assert(dst->image.type == ImageTypeBitmap);
assert(src->image.stream == NULL);
assert(dst->image.stream == NULL);
GdipFree(dst->bitmapbits);
DeleteDC(dst->hdc);
DeleteObject(dst->hbitmap);
@ -1991,7 +1998,11 @@ static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
dst->bits = src->bits;
dst->stride = src->stride;
dst->own_bits = src->own_bits;
if (dst->metadata_reader)
IWICMetadataReader_Release(dst->metadata_reader);
dst->metadata_reader = src->metadata_reader;
src->image.type = ~0;
GdipFree(src);
}
@ -2006,6 +2017,8 @@ static GpStatus free_image_data(GpImage *image)
GdipFree(((GpBitmap*)image)->own_bits);
DeleteDC(((GpBitmap*)image)->hdc);
DeleteObject(((GpBitmap*)image)->hbitmap);
if (((GpBitmap*)image)->metadata_reader)
IWICMetadataReader_Release(((GpBitmap*)image)->metadata_reader);
}
else if (image->type == ImageTypeMetafile)
{
@ -2588,6 +2601,7 @@ static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, UINT active_fr
IWICBitmapDecoder *decoder;
IWICBitmapFrameDecode *frame;
IWICBitmapSource *source=NULL;
IWICMetadataBlockReader *block_reader;
WICPixelFormatGUID wic_format;
PixelFormat gdip_format=0;
int i;
@ -2685,6 +2699,15 @@ static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, UINT active_fr
IWICBitmapSource_Release(source);
}
bitmap->metadata_reader = NULL;
if (IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&block_reader) == S_OK)
{
UINT block_count = 0;
if (IWICMetadataBlockReader_GetCount(block_reader, &block_count) == S_OK && block_count)
IWICMetadataBlockReader_GetReaderByIndex(block_reader, 0, &bitmap->metadata_reader);
IWICMetadataBlockReader_Release(block_reader);
}
IWICBitmapFrameDecode_Release(frame);
}