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[ 1579793 ] numerous bug fixes when mask is used

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Corrects PNG handling and wxImage::Paste()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42092 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2006-10-18 17:06:11 +00:00
parent 17b5a3eccb
commit dcc36b34be
2 changed files with 5 additions and 4 deletions
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5
src/common/imagpng.cpp
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@@ -279,6 +279,7 @@ FindMaskColour(unsigned char **lines, png_uint_32 width, png_uint_32 height,
r2 = *p++;
g2 = *p++;
b2 = *p++;
++p; // jump over alpha
wxImageHistogramEntry&
entry = h[wxImageHistogram:: MakeKey(r2, g2, b2)];
@@ -384,8 +385,8 @@ void CopyDataFromPNG(wxImage *image,
if ( IsTransparent(a) )
{
*ptrDst++ = rMask;
*ptrDst++ = bMask;
*ptrDst++ = gMask;
*ptrDst++ = bMask;
break;
}
// else: !transparent
@@ -452,8 +453,8 @@ void CopyDataFromPNG(wxImage *image,
if ( IsTransparent(a) )
{
*ptrDst++ = rMask;
*ptrDst++ = bMask;
*ptrDst++ = gMask;
*ptrDst++ = bMask;
break;
}
else // !transparent