gdiplus: Use WIC to decode ICO files.
This commit is contained in:
Vincent Povirk
Alexandre Julliard
parent
ae51d05d78
commit
9d149e606b
|
|
@ -5,6 +5,7 @@ VPATH = @srcdir@
|
|||
MODULE = gdiplus.dll
|
||||
IMPORTLIB = gdiplus
|
||||
IMPORTS = uuid shlwapi oleaut32 ole32 user32 gdi32 kernel32
|
||||
DELAYIMPORTS = windowscodecs
|
||||
|
||||
C_SRCS = \
|
||||
brush.c \
|
||||
|
|
|
|||
|
|
@ -31,6 +31,7 @@
|
|||
#include "ole2.h"
|
||||
|
||||
#include "initguid.h"
|
||||
#include "wincodec.h"
|
||||
#include "gdiplus.h"
|
||||
#include "gdiplus_private.h"
|
||||
#include "wine/debug.h"
|
||||
|
|
@ -1381,28 +1382,129 @@ GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage *
|
|||
return GdipLoadImageFromFile(filename, image);
|
||||
}
|
||||
|
||||
static GpStatus decode_image_olepicture_icon(IStream* stream, REFCLSID clsid, GpImage **image)
|
||||
static const WICPixelFormatGUID *wic_pixel_formats[] = {
|
||||
&GUID_WICPixelFormat16bppBGR555,
|
||||
&GUID_WICPixelFormat24bppBGR,
|
||||
&GUID_WICPixelFormat32bppBGR,
|
||||
&GUID_WICPixelFormat32bppBGRA,
|
||||
&GUID_WICPixelFormat32bppPBGRA,
|
||||
NULL
|
||||
};
|
||||
|
||||
static const PixelFormat wic_gdip_formats[] = {
|
||||
PixelFormat16bppRGB555,
|
||||
PixelFormat24bppRGB,
|
||||
PixelFormat32bppRGB,
|
||||
PixelFormat32bppARGB,
|
||||
PixelFormat32bppPARGB,
|
||||
};
|
||||
|
||||
static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
|
||||
{
|
||||
IPicture *pic;
|
||||
GpStatus status=Ok;
|
||||
GpBitmap *bitmap;
|
||||
HRESULT hr;
|
||||
IWICBitmapDecoder *decoder;
|
||||
IWICBitmapFrameDecode *frame;
|
||||
IWICBitmapSource *source=NULL;
|
||||
WICPixelFormatGUID wic_format;
|
||||
PixelFormat gdip_format=0;
|
||||
int i;
|
||||
UINT width, height;
|
||||
BitmapData lockeddata;
|
||||
WICRect wrc;
|
||||
HRESULT initresult;
|
||||
|
||||
TRACE("%p %p\n", stream, image);
|
||||
initresult = CoInitialize(NULL);
|
||||
|
||||
if(!stream || !image)
|
||||
return InvalidParameter;
|
||||
hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
|
||||
&IID_IWICBitmapDecoder, (void**)&decoder);
|
||||
if (FAILED(hr)) goto end;
|
||||
|
||||
if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
|
||||
(LPVOID*) &pic) != S_OK){
|
||||
TRACE("Could not load picture\n");
|
||||
return GenericError;
|
||||
hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
|
||||
if (SUCCEEDED(hr))
|
||||
hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
|
||||
|
||||
if (SUCCEEDED(hr)) /* got frame */
|
||||
{
|
||||
hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
for (i=0; wic_pixel_formats[i]; i++)
|
||||
{
|
||||
if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
|
||||
{
|
||||
source = (IWICBitmapSource*)frame;
|
||||
IWICBitmapSource_AddRef(source);
|
||||
gdip_format = wic_gdip_formats[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!source)
|
||||
{
|
||||
/* unknown format; fall back on 32bppARGB */
|
||||
hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
|
||||
gdip_format = PixelFormat32bppARGB;
|
||||
}
|
||||
}
|
||||
|
||||
if (SUCCEEDED(hr)) /* got source */
|
||||
{
|
||||
hr = IWICBitmapSource_GetSize(source, &width, &height);
|
||||
|
||||
if (SUCCEEDED(hr))
|
||||
status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
|
||||
NULL, &bitmap);
|
||||
|
||||
if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
|
||||
{
|
||||
status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
|
||||
gdip_format, &lockeddata);
|
||||
if (status == Ok) /* locked bitmap */
|
||||
{
|
||||
wrc.X = 0;
|
||||
wrc.Width = width;
|
||||
wrc.Height = 1;
|
||||
for (i=0; i<height; i++)
|
||||
{
|
||||
wrc.Y = i;
|
||||
hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
|
||||
abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
|
||||
if (FAILED(hr)) break;
|
||||
}
|
||||
|
||||
GdipBitmapUnlockBits(bitmap, &lockeddata);
|
||||
}
|
||||
|
||||
if (SUCCEEDED(hr) && status == Ok)
|
||||
*image = (GpImage*)bitmap;
|
||||
else
|
||||
{
|
||||
*image = NULL;
|
||||
GdipDisposeImage((GpImage*)bitmap);
|
||||
}
|
||||
}
|
||||
|
||||
IWICBitmapSource_Release(source);
|
||||
}
|
||||
|
||||
IWICBitmapFrameDecode_Release(frame);
|
||||
}
|
||||
|
||||
*image = GdipAlloc(sizeof(GpImage));
|
||||
if(!*image) return OutOfMemory;
|
||||
(*image)->type = ImageTypeUnknown;
|
||||
(*image)->picture = pic;
|
||||
(*image)->flags = ImageFlagsNone;
|
||||
IWICBitmapDecoder_Release(decoder);
|
||||
|
||||
return Ok;
|
||||
end:
|
||||
if (SUCCEEDED(initresult)) CoUninitialize();
|
||||
|
||||
if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
|
||||
{
|
||||
return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
|
||||
}
|
||||
|
||||
static GpStatus decode_image_olepicture_bitmap(IStream* stream, REFCLSID clsid, GpImage **image)
|
||||
|
|
@ -2012,7 +2114,7 @@ static const struct image_codec codecs[NUM_CODECS] = {
|
|||
/* SigMask */ ico_sig_mask,
|
||||
},
|
||||
NULL,
|
||||
decode_image_olepicture_icon
|
||||
decode_image_icon
|
||||
},
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue