mod_fem_viewer/FemViewer/inc/Tile.h

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#ifndef _TILE_H
#define _TILE_H

namespace FemViewer {

    class Tile
    {
    public:
        /* Constructors */
        Tile(const int iImgWidth,
             const int iImgHeight,
             const float fAspectR);

        Tile(const int iImgWidth,
             const int iImgHeight,
             const int iXmin,
             const int iYmin,
             const int iXmax,
             const int iYmax);
        
        /* Destructor 
        **/
        ~Tile();

        /* Initialize frustrum matrix 
        **/
        void InitFrustrumMatrix(const float fFOV,
                                const float fZNear,
                                const float fZFar,
                                float mout[]) const;

        /* Initialize frustrum matrix from array of floats
        **/
        //void InitFrustrumMatrix(const float mt[]) const;

        /* Initialize viewport
        **/
        void InitOrtho2DMatrix() const;

        /* Initialize ortho matrix
        **/
        void InitiOrtho3DMatrix(const float fFOV, const float fZNear,
            const float fZFar, float mout[]) const;

        /* Initialize viewport
        **/
        void InitViewport() const;

    private:


    #ifdef FV_DEBUG
        void invariants() const;
    #endif
        /* Private members */
        float fImageWidth;
        float fImageHeight;
        float fAspectRatio;
        float fXmin;
        float fXmax;
        float fYmin;
        float fYmax;
    };

} // end namespace FemViewer

#endif // TILE_H

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