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gdiplus: Refactor to split up encode_image_wic(). 

New functions initialize_encoder_wic(), encode_frame_wic() and
terminate_encoder_wic() are useful for implementing GdipSaveAdd() and
GdipSaveAddImage() later.

The WIC encoder is now stored in the new GpImage "encoder" field instead
of a local variable. This makes it possible to keep the encoder active
between multiple gdiplus API calls, which is also useful for
GdipSaveAdd() and GdipSaveAddImage().

Signed-off-by: Florian Will <florian.will@gmail.com>
Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Florian Will 2020-02-19 08:47:03 +01:00 committed by Alexandre Julliard
parent bc49309fe2
commit b31fc78812
2 changed files with 73 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
dlls/gdiplus/gdiplus_private.h
View File

@ -72,6 +72,7 @@ extern GpStatus gdip_transform_points(GpGraphics *graphics, GpCoordinateSpace ds
extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics) DECLSPEC_HIDDEN;
extern GpStatus encode_image_png(GpImage *image, IStream* stream, GDIPCONST EncoderParameters* params) DECLSPEC_HIDDEN;
extern GpStatus terminate_encoder_wic(GpImage *image) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc) DECLSPEC_HIDDEN;
@ -346,6 +347,7 @@ struct GpAdjustableArrowCap{
struct GpImage{
IWICBitmapDecoder *decoder;
IWICBitmapEncoder *encoder;
ImageType type;
GUID format;
UINT flags;

93
dlls/gdiplus/image.c
View File

@ -1827,6 +1827,7 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
(*bitmap)->height = height;
(*bitmap)->format = format;
(*bitmap)->image.decoder = NULL;
(*bitmap)->image.encoder = NULL;
(*bitmap)->hbitmap = hbitmap;
(*bitmap)->hdc = NULL;
(*bitmap)->bits = bits;
@ -2046,6 +2047,8 @@ static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
if (dst->image.decoder)
IWICBitmapDecoder_Release(dst->image.decoder);
dst->image.decoder = src->image.decoder;
terminate_encoder_wic(&dst->image); /* terminate active encoder before overwriting with src */
dst->image.encoder = src->image.encoder;
dst->image.frame_count = src->image.frame_count;
dst->image.current_frame = src->image.current_frame;
dst->image.format = src->image.format;
@ -2078,6 +2081,7 @@ static GpStatus free_image_data(GpImage *image)
}
if (image->decoder)
IWICBitmapDecoder_Release(image->decoder);
terminate_encoder_wic(image);
heap_free(image->palette);
return Ok;
@ -3744,6 +3748,8 @@ static GpStatus select_frame_wic(GpImage *image, UINT active_frame)
new_image->busy = image->busy;
memcpy(&new_image->format, &image->format, sizeof(GUID));
new_image->encoder = image->encoder;
image->encoder = NULL;
free_image_data(image);
if (image->type == ImageTypeBitmap)
*(GpBitmap *)image = *(GpBitmap *)new_image;
@ -4435,13 +4441,52 @@ GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filenam
* These functions encode an image in different image file formats.
*/
static GpStatus encode_image_wic(GpImage *image, IStream* stream,
REFGUID container, GDIPCONST EncoderParameters* params)
static GpStatus initialize_encoder_wic(IStream *stream, REFGUID container, GpImage *image)
{
IWICImagingFactory *factory;
HRESULT hr;
TRACE("%p,%s\n", stream, wine_dbgstr_guid(container));
terminate_encoder_wic(image); /* terminate previous encoder if it exists */
hr = WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION, &factory);
if (FAILED(hr)) return hresult_to_status(hr);
hr = IWICImagingFactory_CreateEncoder(factory, container, NULL, &image->encoder);
IWICImagingFactory_Release(factory);
if (FAILED(hr))
{
image->encoder = NULL;
return hresult_to_status(hr);
}
hr = IWICBitmapEncoder_Initialize(image->encoder, stream, WICBitmapEncoderNoCache);
if (FAILED(hr))
{
IWICBitmapEncoder_Release(image->encoder);
image->encoder = NULL;
return hresult_to_status(hr);
}
return Ok;
}
GpStatus terminate_encoder_wic(GpImage *image)
{
if (!image->encoder)
return Ok;
else
{
HRESULT hr = IWICBitmapEncoder_Commit(image->encoder);
IWICBitmapEncoder_Release(image->encoder);
image->encoder = NULL;
return hresult_to_status(hr);
}
}
static GpStatus encode_frame_wic(IWICBitmapEncoder *encoder, GpImage *image)
{
GpStatus stat;
GpBitmap *bitmap;
IWICImagingFactory *factory;
IWICBitmapEncoder *encoder;
IWICBitmapFrameEncode *frameencode;
IPropertyBag2 *encoderoptions;
HRESULT hr;
@ -4466,20 +4511,7 @@ static GpStatus encode_image_wic(GpImage *image, IStream* stream,
rc.Width = width;
rc.Height = height;
hr = WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION, &factory);
if (FAILED(hr))
return hresult_to_status(hr);
hr = IWICImagingFactory_CreateEncoder(factory, container, NULL, &encoder);
IWICImagingFactory_Release(factory);
if (FAILED(hr))
return hresult_to_status(hr);
hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
if (SUCCEEDED(hr))
{
hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
}
hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
if (SUCCEEDED(hr)) /* created frame */
{
@ -4563,13 +4595,30 @@ static GpStatus encode_image_wic(GpImage *image, IStream* stream,
IPropertyBag2_Release(encoderoptions);
}
if (SUCCEEDED(hr))
hr = IWICBitmapEncoder_Commit(encoder);
IWICBitmapEncoder_Release(encoder);
return hresult_to_status(hr);
}
static GpStatus encode_image_wic(GpImage *image, IStream *stream,
REFGUID container, GDIPCONST EncoderParameters *params)
{
GpStatus status, terminate_status;
if (image->type != ImageTypeBitmap)
return GenericError;
status = initialize_encoder_wic(stream, container, image);
if (status == Ok)
status = encode_frame_wic(image->encoder, image);
/* always try to terminate, but if something already failed earlier, keep the old status. */
terminate_status = terminate_encoder_wic(image);
if (status == Ok)
status = terminate_status;
return status;
}
static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
GDIPCONST EncoderParameters* params)
{