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#ifndef ARTCANVAS_H
#define ARTCANVAS_H
#include "../stroke/Canvas.h"
//class AppGLWidget;
class AppCanvas : public Canvas
{
private:
mutable AppGLWidget *_pViewer;
bool _blendEquation;
public:
AppCanvas();
AppCanvas(AppGLWidget *iViewer);
AppCanvas(const AppCanvas& iBrother);
virtual ~AppCanvas();
/*! operations that need to be done before a draw */
virtual void preDraw();
/*! operations that need to be done after a draw */
virtual void postDraw();
/*! Erases the layers and clears the canvas */
virtual void Erase();
/* init the canvas */
virtual void init();
/*! Reads a pixel area from the canvas */
virtual void readColorPixels(int x,int y,int w, int h, RGBImage& oImage) const;
/*! Reads a depth pixel area from the canvas */
virtual void readDepthPixels(int x,int y,int w, int h, GrayImage& oImage) const;
virtual BBox<Vec3r> scene3DBBox() const ;
/*! update the canvas (display) */
virtual void update() ;
/*! Renders the created strokes */
virtual void Render(const StrokeRenderer *iRenderer);
virtual void RenderBasic(const StrokeRenderer *iRenderer);
virtual void RenderStroke(Stroke *iStroke) ;
/*! accessors */
virtual int width() const ;
virtual int height() const ;
inline const AppGLWidget * viewer() const {return _pViewer;}
/*! modifiers */
void setViewer(AppGLWidget *iViewer) ;
};
#endif
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