2557 void Magick::Image::contrastStretch(const double blackPoint_,  in contrastStretch()  argument
2562   ContrastStretchImage(image(),blackPoint_,whitePoint_,exceptionInfo);  in contrastStretch()
2567   const double blackPoint_,const double whitePoint_)  in contrastStretchChannel()  argument
2572   ContrastStretchImage(image(),blackPoint_,whitePoint_,exceptionInfo);  in contrastStretchChannel()
3376 void Magick::Image::level(const double blackPoint_,const double whitePoint_,  in level()  argument
3381   (void) LevelImage(image(),blackPoint_,whitePoint_,gamma_,exceptionInfo);  in level()
3386   const double blackPoint_,const double whitePoint_,const double gamma_)  in levelChannel()  argument
3391   (void) LevelImage(image(),blackPoint_,whitePoint_,gamma_,exceptionInfo);  in levelChannel()
3432 void Magick::Image::levelize(const double blackPoint_,const double whitePoint_,  in levelize()  argument
3437   (void) LevelizeImage(image(),blackPoint_,whitePoint_,gamma_,exceptionInfo);  in levelize()
3442   const double blackPoint_,const double whitePoint_,const double gamma_)  in levelizeChannel()  argument
3447   (void) LevelizeImage(image(),blackPoint_,whitePoint_,gamma_,exceptionInfo);  in levelizeChannel()
3452 void Magick::Image::linearStretch(const double blackPoint_,  in linearStretch()  argument
3457   LinearStretchImage(image(),blackPoint_,whitePoint_,exceptionInfo);  in linearStretch()