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Applied part of #10034: wxImage::ConvertToDisabled()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62099 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2009-09-24 20:05:33 +00:00
parent cc3d673a84
commit 198c264dbc
10 changed files with 288 additions and 61 deletions
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8
include/wx/image.h
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@@ -354,13 +354,17 @@ public:
unsigned char r2, unsigned char g2, unsigned char b2 );
// Convert to greyscale image. Uses the luminance component (Y) of the image.
// The luma value (YUV) is calculated using (R * lr) + (G * lg) + (B * lb), defaults to ITU-T BT.601
wxImage ConvertToGreyscale( double lr = 0.299, double lg = 0.587, double lb = 0.114 ) const;
// The luma value (YUV) is calculated using (R * weight_r) + (G * weight_g) + (B * weight_b), defaults to ITU-T BT.601
wxImage ConvertToGreyscale(double weight_r, double weight_g, double weight_b) const;
wxImage ConvertToGreyscale(void) const;
// convert to monochrome image (<r,g,b> will be replaced by white,
// everything else by black)
wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const;
// Convert to disabled (dimmed) image.
wxImage ConvertToDisabled(unsigned char brightness = 255) const;
// these routines are slow but safe
void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
void SetRGB( const wxRect& rect, unsigned char r, unsigned char g, unsigned char b );