ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

gdiplus: Create a full BITMAPINFO to prevent clobbering memory with palette data.

This commit is contained in:
Alasdair Sinclair 2010-03-05 02:21:19 +00:00 committed by Alexandre Julliard
parent 1970fb35d4
commit 0ecd8daa16
1 changed files with 22 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
dlls/gdiplus/image.c
View File

@ -1614,7 +1614,7 @@ static GpStatus get_screen_resolution(REAL *xres, REAL *yres)
GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride, GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
PixelFormat format, BYTE* scan0, GpBitmap** bitmap) PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
{ {
BITMAPINFOHEADER bmih; BITMAPINFO* pbmi;
HBITMAP hbitmap; HBITMAP hbitmap;
INT row_size, dib_stride; INT row_size, dib_stride;
HDC hdc; HDC hdc;
@ -1644,26 +1644,33 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
if(stride == 0) if(stride == 0)
stride = dib_stride; stride = dib_stride;
bmih.biSize = sizeof(BITMAPINFOHEADER); pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
bmih.biWidth = width; if (!pbmi)
bmih.biHeight = -height; return OutOfMemory;
bmih.biPlanes = 1;
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biWidth = width;
pbmi->bmiHeader.biHeight = -height;
pbmi->bmiHeader.biPlanes = 1;
/* FIXME: use the rest of the data from format */ /* FIXME: use the rest of the data from format */
bmih.biBitCount = PIXELFORMATBPP(format); pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
bmih.biCompression = BI_RGB; pbmi->bmiHeader.biCompression = BI_RGB;
bmih.biSizeImage = 0; pbmi->bmiHeader.biSizeImage = 0;
bmih.biXPelsPerMeter = 0; pbmi->bmiHeader.biXPelsPerMeter = 0;
bmih.biYPelsPerMeter = 0; pbmi->bmiHeader.biYPelsPerMeter = 0;
bmih.biClrUsed = 0; pbmi->bmiHeader.biClrUsed = 0;
bmih.biClrImportant = 0; pbmi->bmiHeader.biClrImportant = 0;
hdc = CreateCompatibleDC(NULL); hdc = CreateCompatibleDC(NULL);
if (!hdc) return GenericError; if (!hdc) {
GdipFree(pbmi);
return GenericError;
}
hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bmih, DIB_RGB_COLORS, (void**)&bits, hbitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
NULL, 0);
DeleteDC(hdc); DeleteDC(hdc);
GdipFree(pbmi);
if (!hbitmap) return GenericError; if (!hbitmap) return GenericError;