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Fixed DuplicateImage() code to copy alpha bits properly

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troy%netscape.com 1998-07-17 21:37:55 +00:00
parent 2767248cf9
commit 11b254d1e9
1 changed files with 3 additions and 3 deletions
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6
gfx/src/windows/nsImageWin.cpp
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@ -825,11 +825,11 @@ nsImageWin *theimage;
// bits of the alpha mask
num = theimage->mAlphaWidth*theimage->mAlphaHeight;
if(num>0)
num = theimage->mARowBytes * theimage->mAlphaHeight;
if(num > 0)
{
theimage->mAlphaBits = new unsigned char[num];
memcpy(theimage->mImageBits,this->mImageBits,theimage->mSizeImage);
memcpy(theimage->mAlphaBits,this->mAlphaBits,num);
}
else
theimage->mAlphaBits = nsnull;