Dmitry Timoshkov : gdiplus: Avoid not necessary memory allocation for BITMAPINFO.
Alexandre Julliard
julliard at winehq.org
Tue Jan 15 13:46:17 CST 2013
Module: wine
Branch: master
Commit: bd601f9950c9d89e9c205f86e399dc283652392a
URL: http://source.winehq.org/git/wine.git/?a=commit;h=bd601f9950c9d89e9c205f86e399dc283652392a
Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date: Tue Jan 15 12:48:56 2013 +0800
gdiplus: Avoid not necessary memory allocation for BITMAPINFO.
---
dlls/gdiplus/image.c | 23 ++++++++---------------
1 files changed, 8 insertions(+), 15 deletions(-)
diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index 377cab1..b182405 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -4694,28 +4694,21 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBi
if (retval == Ok)
{
HDC hdc;
- BITMAPINFO *pbmi;
+ char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
+ BITMAPINFO *pbmi = (BITMAPINFO *)bmibuf;
INT src_height;
hdc = CreateCompatibleDC(NULL);
- pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
- if (pbmi)
- {
- pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- pbmi->bmiHeader.biBitCount = 0;
-
- GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ pbmi->bmiHeader.biBitCount = 0;
- src_height = abs(pbmi->bmiHeader.biHeight);
- pbmi->bmiHeader.biHeight = -src_height;
+ GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
- GetDIBits(hdc, hbm, 0, src_height, lockeddata.Scan0, pbmi, DIB_RGB_COLORS);
+ src_height = abs(pbmi->bmiHeader.biHeight);
+ pbmi->bmiHeader.biHeight = -src_height;
- GdipFree(pbmi);
- }
- else
- retval = OutOfMemory;
+ GetDIBits(hdc, hbm, 0, src_height, lockeddata.Scan0, pbmi, DIB_RGB_COLORS);
DeleteDC(hdc);
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