#ifndef GL_SCENE_H
#define GL_SCENE_H
#include <GL/gl.h>
 
class DrawableSet;       // forward declaration
class GlCamera;          // forward declaration
class GlAxes;            // forward declaration
class GlVersion;         // forward declaration
class GlCanvas;          // forward declaration
class GlSceneStat;       // forward declaration
class MouseKeybordState; // forward declaration
 
 
 
 
 
class GlScene {
private:
 
 
    DrawableSet * set;
    GlCamera * camera;
    GlAxes * axes;
    GlVersion * version;
    GlCanvas * canvas;
    GlSceneStat * stat;
 
    bool isInitDone;
    bool isKeepProportionXY;
    bool isRedrawNeeded;
    bool isTextInfo;
    bool isDepthBufferEnable;
 
 
    unsigned int width;
    unsigned int height;
 
    GLenum polygonMode;
    CameraView view;
 
public:
    GlScene(unsigned int width,unsigned int height);
    ~GlScene();
    void init(DrawableSet * set);
 
    // Manage redraw
    void setReDraw();
    void unsetReDraw();
    bool isReDraw();
 
    // Manage Keep proportion (ratio)
    void setKeepProportionXY(bool keepProportionXY);
    bool getKeepProportionXY();
    void swapKeepProportionXY();
 
    // Manage text info
    void setTextInfo(bool textInfo);
    bool getTextInfo();
    void swapTextInfo();
 
    // Manage depth buffer
    void setDepthBuffer(bool isDepthBufferEnable);
    bool getDepthBuffer();
    void swapDepthBuffer();
 
    // Manage Set change
    bool isSetChange();
 
    //Manage pologone swapPolygonMode
    void swapPolygonMode();
    void setPolygonMode(GLenum mode);
    GLenum getPolygonMode();
 
    // Manage view
    const char* getViewName();
    void swapView();
    void setFreeView();
 
    //Manage Event
    void onResize(unsigned int width,unsigned int height);
 
    //Manage Draw operation
    void reset();
    void drawAll(MouseKeybordState* state);
    void draw();
    void drawSelectionSquare(MouseKeybordState* state);
    void drawText(int xButtonMotion,int yButtonMotion);
    void drawText();
 
    void drawTextOpengl();
    void drawTextMinMax();
    void drawTextZoom();
    void drawTextCameraPosition();
    void drawTextMousePosition(int xButtonMotion,int yButtonMotion);
    void drawTextPolygonMode();
    void drawTextViewName();
    void drawTextFps();
    void drawTextNbElement();
    void drawTextDepthBuffer();
 
 
    // Manage access
    DrawableSet  *getDrawableSet() {
        return set;
    };
    GlCamera     *getCamera() {
        return camera;
    };
    GlAxes       *getAxes() {
        return axes;
    };
    GlCanvas     *getCanvas() {
        return canvas;
    };
    GlVersion    *getVersion() {
        return version;
    };
 
    //Manage opengl basic operation
    void clearBuffer();
    void loadIdentity();
    void updateView();
    void updateDepthBuffer();
    void setOpenglPojectionMatrix();
    void setOpenglModelViewMatrix();
    void pushMatrix();
    void popMatrix();
 
    float getXPixelSize();
    float getYPixelSize();
 
};
 
 
 
#endif