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guard against invalid color ref

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70400 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2012-01-19 14:06:36 +00:00
parent d7872f625f
commit 405f35e560
1 changed files with 3 additions and 0 deletions
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3
src/osx/core/colour.cpp
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@@ -79,6 +79,7 @@ void wxColour::InitRGBA (ChannelType r, ChannelType g, ChannelType b, ChannelTyp
CGFloat components[4] = { (CGFloat)(r / 255.0), (CGFloat) (g / 255.0), (CGFloat) (b / 255.0), (CGFloat) (a / 255.0) } ;
col = CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ;
}
wxASSERT_MSG(col != NULL, "Invalid CoreGraphics Color");
m_cgColour.reset( col );
}
@@ -101,12 +102,14 @@ void wxColour::InitRGBColor( const RGBColor& col )
(CGFloat)(col.blue / 65535.0), (CGFloat) 1.0 } ;
cfcol = CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ;
}
wxASSERT_MSG(cfcol != NULL, "Invalid CoreGraphics Color");
m_cgColour.reset( cfcol );
}
#endif
void wxColour::InitCGColorRef( CGColorRef col )
{
wxASSERT_MSG(col != NULL, "Invalid CoreGraphics Color");
m_cgColour.reset( col );
size_t noComp = CGColorGetNumberOfComponents( col );