colormap.h

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#ifndef H_GEO_IMAGE_TYPES_COLORMAP_H
#define H_GEO_IMAGE_TYPES_COLORMAP_H
 
#include <geogram/basic/common.h>
#include <geogram/basic/counted.h>
#include <geogram/basic/smart_pointer.h>
#include <geogram/image/color.h>
 
namespace GEO {
 
/******************************************************************/
 
    class GEOGRAM_API Colormap : public Counted {
    public:
 
        typedef GenColor<Numeric::uint8> ColorCell ;
 
        Colormap(index_t size_in = 256) ;
 
        ~Colormap() override;
 
        const ColorCell& color_cell(index_t index) const {
            geo_assert(index < size_) ;
            return cells_[index] ;
        }
 
        ColorCell& color_cell(index_t index) {
            geo_assert(index < size_) ;
            return cells_[index] ;
        }
 
        index_t size() const {
            return size_;
        }
 
        void set_color(index_t index, float r, float g, float b) ;
 
        void set_color(index_t index, float r, float g, float b, float a) ;
 
        void color_ramp_component(
            index_t component,
            index_t index1, Numeric::uint8 val1,
            index_t index2, Numeric::uint8 val2
        ) ;
 
 
        void color_ramp_rgba(
            index_t index1, const Color& c1,
            index_t index2, const Color& c2
        ) ;
 
        void color_ramp_rgb(
            index_t index1, const Color& c1,
            index_t index2, const Color& c2
        ) ;
 
    private:
        ColorCell* cells_ ;
        index_t size_ ;
    } ;
 
    typedef SmartPointer<Colormap> Colormap_var ;
 
/************************************************************************/
 
}
#endif