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Resolves: #i125000# check last status of newly created...

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<Gdiplus::Bitmap> instance before using it.

(cherry picked from commit b127235917610b9c68e19df29bb39af496906569)

Change-Id: I97364cf963424b0e8d0b52b3c995bd4defdca067
This commit is contained in:
Oliver-Rainer Wittmann
2014-06-06 12:07:49 +00:00
committed by Caolán McNamara
parent a10a621b48
commit adb1bb21f8
1 changed files with 23 additions and 15 deletions
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38
vcl/win/source/gdi/salbmp.cxx
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@@ -317,24 +317,32 @@ Gdiplus::Bitmap* WinSalBitmap::ImplCreateGdiPlusBitmap()
if(pRetval)
{
sal_uInt8* pSrcRGB(pRGB->mpBits);
const sal_uInt32 nExtraRGB(pRGB->mnScanlineSize - (nW * 3));
const bool bTopDown(pRGB->mnFormat & BMP_FORMAT_TOP_DOWN);
const Gdiplus::Rect aAllRect(0, 0, nW, nH);
Gdiplus::BitmapData aGdiPlusBitmapData;
pRetval->LockBits(&aAllRect, Gdiplus::ImageLockModeWrite, PixelFormat24bppRGB, &aGdiPlusBitmapData);
// copy data to Gdiplus::Bitmap; format is BGR here in both cases, so memcpy is possible
for(sal_uInt32 y(0); y < nH; y++)
if ( pRetval->GetLastStatus() == Gdiplus::Ok )
{
const sal_uInt32 nYInsert(bTopDown ? y : nH - y - 1);
sal_uInt8* targetPixels = (sal_uInt8*)aGdiPlusBitmapData.Scan0 + (nYInsert * aGdiPlusBitmapData.Stride);
sal_uInt8* pSrcRGB(pRGB->mpBits);
const sal_uInt32 nExtraRGB(pRGB->mnScanlineSize - (nW * 3));
const bool bTopDown(pRGB->mnFormat & BMP_FORMAT_TOP_DOWN);
const Gdiplus::Rect aAllRect(0, 0, nW, nH);
Gdiplus::BitmapData aGdiPlusBitmapData;
pRetval->LockBits(&aAllRect, Gdiplus::ImageLockModeWrite, PixelFormat24bppRGB, &aGdiPlusBitmapData);
memcpy(targetPixels, pSrcRGB, nW * 3);
pSrcRGB += nW * 3 + nExtraRGB;
// copy data to Gdiplus::Bitmap; format is BGR here in both cases, so memcpy is possible
for(sal_uInt32 y(0); y < nH; y++)
{
const sal_uInt32 nYInsert(bTopDown ? y : nH - y - 1);
sal_uInt8* targetPixels = (sal_uInt8*)aGdiPlusBitmapData.Scan0 + (nYInsert * aGdiPlusBitmapData.Stride);
memcpy(targetPixels, pSrcRGB, nW * 3);
pSrcRGB += nW * 3 + nExtraRGB;
}
pRetval->UnlockBits(&aGdiPlusBitmapData);
}
else
{
delete pRetval;
pRetval = NULL;
}
pRetval->UnlockBits(&aGdiPlusBitmapData);
}
}