ChessboardPicture.hpp

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#ifndef LOPER_CHESSBOARDPICTURE
#define LOPER_CHESSBOARDPICTURE

#include <PortablePixmap.hpp>
#include <PortableBitmap.hpp>
#include <GLTexPicture.hpp>
#include "ImageCalibrator.hpp"
#include "ContourFinder.hpp"
#include "ChessSquareMesh.hpp"


class ChessboardPicture
{
public:
        ChessboardPicture();

        void load (const char *filename);

        void drawOriginalTexture (float originX, float originY, float width, float height);
        void drawThresholdedTexture (float originX, float originY, float width, float height);
        unsigned char getThreshold() const { return currentThreshold; }
        void recalculateThresholdedImage(int thresh = -1);

        bool findChessboardPoints ();

        PortableBitmap imgThresholded;
        ImageCalibrator imgCalib;

private:

        // We draw our chessboards with texture mapping
        GLTexPicture texOriginal;
        GLTexPicture texThresholded;


        unsigned char autoCalculateThreshold (const PortablePixmap &img);
        void createTextures();

        unsigned char currentThreshold;
        bool bTexturesReady;
        PortablePixmap imgOriginal;
};


#endif // LOPER_CHESSBOARDPICTURE

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