ImColorbar.h

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#pragma once
 
#include "ImWidget.h"
 
namespace dyno
{
    class ImColorbar : public ImWidget
    {
        DECLARE_CLASS(ImColorbar)
    public:         
        ImColorbar();
        ~ImColorbar() override;
 
        void setCoord(ImVec2 coord);
        ImVec2 getCoord() const;
 
    public:
        DECLARE_ENUM(ColorTable,
            Jet = 0,
            Heat = 1);
    
        DEF_ENUM(ColorTable, Type, ColorTable::Jet, "");
 
 
        DECLARE_ENUM(NumberTypeSelection,
            Dec = 0,
            Exp = 1);
            
        DEF_ENUM(NumberTypeSelection, NumberType, NumberTypeSelection::Dec, "");

        DEF_VAR(bool, Isfix, false, "");

        DEF_VAR(Real, Min, Real(0), "");
        DEF_VAR(Real, Max, Real(1), "");

        DEF_VAR(std::string, FieldName, "", "");
     
        DEF_ARRAY_IN(Real, Scalar, DeviceType::GPU, "");
        // DEF_ARRAY_IN(Vec3f, Color, DeviceType::CPU, "");
        // DEF_ARRAY_IN(int, Value, DeviceType::GPU, "");
 
    protected:
        virtual void paint();
        virtual void update();
        virtual bool initialize();
 
    private:
 
        ImU32                       mMinCol = 0;
        ImU32                       mMaxCol = 0;
        int                         mNum = 6 + 1;
        ImVec2                      mCoord = ImVec2(0,0);
        DArray<Vec3f>              mColorBuffer;
        float*                      mVal = nullptr;
        ImU32*                      mCol = nullptr;
        Reduction<Real>          m_reduce_real;
        const char*                 mTitle;
        float val[6 + 1];
        ImU32 col[6 + 1];
 
        Vec3f mBaseColor;
        std::shared_ptr<Node> mNode;
    };
};