RulerModel.h

#pragma once
#include <NDEVR/Model.h>
#if NDEVR_RULER_MODEL
namespace NDEVR
{
    class RulerModel : public Model
    {
    public:
        static const int MARGIN = 4; 

        enum RulerOrientation
        {
              e_ruler_horizontal 
            , e_ruler_vertical   
        };
 
    public:
        RulerModel(RulerOrientation orientation, bool is_left_or_top, const Model& parent);

        ~RulerModel();
    public:
        void updateRuler();
    protected:
        Model minorLinesModel();

        Model majorLinesModel();

        Model labelRootModel();

        void setAxis();

        Bounds<3, fltp08> worldBounds() const;

        Vector<2, fltp08> worldSpan() const;

        Vector<2, fltp08> scale() const;

        Vector<2, fltp08> worldOffset() const;

        Vector<2, fltp08> worldGridSpacing() const;

        fltp08 convertPixelToModel(uint04 dim, uint04 pixel);

        uint04 convertModelToPixel(uint04 dim, fltp08 model);

        String getFormattedTickText(fltp08 value, fltp08 spacing, uint01 dim);
    protected:
        RulerOrientation  m_orientation;   
        bool m_is_opaque;                  
        bool m_is_left_or_top;             
        bool m_draw_minor;                 
        Vector<2, uint01> axis;            
        Vector<2, fltp08> m_last_paint_scale;    
        Vector<2, fltp08> m_last_world_spacing;  
        Vector<2, fltp08> m_last_world_offset;   
    };
}
#endif