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allow specifying the mask colour in wxImage::ConvertAlphaToMask() (closes #10143)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58404 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-01-25 17:23:39 +00:00
parent 4b2214224f
commit c1099d9254
3 changed files with 56 additions and 12 deletions
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8
include/wx/image.h
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@@ -322,9 +322,13 @@ public:
bool SetMaskFromImage(const wxImage & mask,
unsigned char mr, unsigned char mg, unsigned char mb);
// converts image's alpha channel to mask, if it has any, does nothing
// otherwise:
// converts image's alpha channel to mask (choosing mask colour
// 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,
unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD);
// This method converts an image where the original alpha
// information is only available as a shades of a colour