GLImageWidget.h

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/*******************************************************************************
 *  GLImageWidget.h
 *
 *  (C) 2006 AG Aktives Sehen <agas@uni-koblenz.de>
 *           Universitaet Koblenz-Landau
 *
 * $Id $
 ******************************************************************************/

#ifndef GLImageWidget_H
#define GLImageWidget_H

#include <vector>
#include <iostream>
#include <cmath>
#include <QRgb>
#include <QGLWidget>

#include "../../Workers/Puma2/ColorImageRGB8.h"
#include "../../Workers/Puma2/GrayLevelImage8.h"
#include "../../Workers/Puma2/ColorImageUV8.h"

#include "../../Devices/ImageGrabber/ImageGrabber.h"
#include "Workers/Math/Box2D.h"
#include "Workers/Math/Circle2D.h"
#include "../../Workers/VectorGraphics/VectorObject2D.h"

class GLImageWidget : public QGLWidget {

    Q_OBJECT

  public:
    GLImageWidget(QGLWidget *parent = 0);
    ~GLImageWidget();

  public slots:

    void setColorImage(const unsigned char *image, unsigned width, unsigned height, float aspect=1.0 );
    void setColorImage(const puma2::ColorImageRGB8* image, float aspect=1.0 );
    void setColorImage(const puma2::GrayLevelImage8* imageY, const puma2::ColorImageUV8* imageUV, float aspect=1.0 );
    void setThermalImage(const puma2::GrayLevelImage8* image, float roomTemp=30.0 );
    void setGrayLevelImage(const puma2::GrayLevelImage8* image, float aspect=1.0 );

    void setAnaglyphImage( const puma2::GrayLevelImage8* leftYImage, const puma2::GrayLevelImage8* rightYImage, float aspect=1.0 );

    void setPixelAspectRatio(float ratio) { m_PixelAspectRatio=ratio; };

    void addVectorObject( VectorObject2D vectorObject );

    void clearForms();

    void saveImage( std::string filename );

    void zoom(float z);

  private:

    void paintImage();

    void paintVectorObjects();

    void initializeGL();

    void resizeGL(int w, int h);

    void paintGL();

    // USER INTERACTION ///////////////

    void mouseDoubleClickEvent(QMouseEvent *event);

    void mousePressEvent(QMouseEvent *event);

    void mouseMoveEvent(QMouseEvent* event);

    void wheelEvent(QWheelEvent *event);




    // TODO originally in RobbieWidget
    int calcTextureSize( int width, int height );


 protected :

    void initTexture( unsigned resolution, unsigned imageWidth, unsigned imageHeight, ImageGrabber::ColorFormat textureFormat );
    void updateTexture( unsigned char* imageData, unsigned width, unsigned height, ImageGrabber::ColorFormat format );
    void clearTexture();

    QPoint m_MousePosOld;

    float m_Zoom;
    float m_PosX;
    float m_PosY;

    unsigned m_ImageWidth;
    unsigned m_ImageHeight;

    unsigned m_ViewportWidth;
    unsigned m_ViewportHeight;

    float m_PixelAspectRatio;

    unsigned m_TextureResolution;

    GLuint m_TextureId;
    unsigned char* m_TextureData;
    ImageGrabber::ColorFormat m_TextureFormat;
    unsigned int m_TextureByteSize;

    std::list< VectorObject2D > m_VectorObjects;

};

#endif