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gdiplus: Allocate enough space for BITMAPINFO in GdipLoadImageFromStream.

This commit is contained in:
Lei Zhang 2008-09-28 12:36:30 -07:00 committed by Alexandre Julliard
parent 778ea2360e
commit 83d92f4195
1 changed files with 12 additions and 6 deletions
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18
dlls/gdiplus/image.c
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@ -974,13 +974,19 @@ GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
IPicture_get_Type(pic, &type);
if(type == PICTYPE_BITMAP){
BITMAPINFO bmi;
BITMAPINFO *pbmi;
BITMAPCOREHEADER* bmch;
OLE_HANDLE hbm;
HDC hdc;
pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
if (!pbmi)
return OutOfMemory;
*image = GdipAlloc(sizeof(GpBitmap));
if(!*image) return OutOfMemory;
if(!*image){
GdipFree(pbmi);
return OutOfMemory;
}
(*image)->type = ImageTypeBitmap;
(*((GpBitmap**) image))->width = ipicture_pixel_width(pic);
@ -990,22 +996,22 @@ GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
IPicture_get_Handle(pic, &hbm);
IPicture_get_CurDC(pic, &hdc);
ZeroMemory(&bmi, sizeof(bmi));
bmch = (BITMAPCOREHEADER*) (&bmi.bmiHeader);
bmch = (BITMAPCOREHEADER*) (&pbmi->bmiHeader);
bmch->bcSize = sizeof(BITMAPCOREHEADER);
if(!hdc){
HBITMAP old;
hdc = CreateCompatibleDC(0);
old = SelectObject(hdc, (HBITMAP)hbm);
GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
SelectObject(hdc, old);
DeleteDC(hdc);
}
else
GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
(*((GpBitmap**) image))->format = (bmch->bcBitCount << 8) | PixelFormatGDI;
GdipFree(pbmi);
}
else if(type == PICTYPE_METAFILE || type == PICTYPE_ENHMETAFILE){
/* FIXME: missing initialization code */