// Rotates the image about the given point, 'angle' radians.
// Returns the rotated image, leaving this image intact.
wxImage Rotate(double angle, const wxPoint & centre_of_rotation,
- bool interpolating = true, wxPoint * offset_after_rotation = (wxPoint*) NULL) const;
+ bool interpolating = true, wxPoint * offset_after_rotation = NULL) const;
wxImage Rotate90( bool clockwise = true ) const;
wxImage Mirror( bool horizontally = true ) const;
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