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Changed wxImage::ConvertAlphaToMask() return type to bool.

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Make this function more useful by returning true from it if alpha channel was
really converted to the mask by it.

Closes #12637.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65990 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2010-11-02 11:57:09 +00:00
parent 6f26925422
commit 878f28d8c8
4 changed files with 11 additions and 8 deletions
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2
include/wx/image.h
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@@ -388,7 +388,7 @@ public:
// automatically or using the specified colour for the mask), if it has
// any, does nothing otherwise:
bool ConvertAlphaToMask(unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD);
void ConvertAlphaToMask(unsigned char mr, unsigned char mg, unsigned char mb,
bool ConvertAlphaToMask(unsigned char mr, unsigned char mg, unsigned char mb,
unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD);