#include "GtkApp.h"

class BackDraw : public SystemDraw {
public:
	virtual bool  IsPaintingOp(const Rect& r) const; // TODO!

protected:
	Pixmap  pixmap;
	Size    size;
	Draw   *painting;
	Point   painting_offset;

public:
	void  Put(SystemDraw& w, int x, int y);
	void  Put(SystemDraw& w, Point p)                  { Put(w, p.x, p.y); }

	void Create(SystemDraw& w, int cx, int cy);
	void Create(SystemDraw& w, Size sz)                { Create(w, sz.cx, sz.cy); }
	void Destroy();

	void SetPaintingDraw(Draw& w, Point off)           { painting = &w; painting_offset = off; }

	BackDraw();
	~BackDraw();
};