#ifndef DRAWING_ENGINE_H
#define DRAWING_ENGINE_H

#include <GraphicsDefs.h>
#include <Region.h>

class AccelerantHWInterface;
class DirectWindowBuffer;

class DrawingEngine {
 public:
                                                                DrawingEngine(AccelerantHWInterface* interface,
                                                                                          DirectWindowBuffer* buffer);
        virtual                                         ~DrawingEngine();

                        bool                            Lock();
                        void                            Unlock();

                        void                            ConstrainClipping(BRegion* region);

                        bool                            StraightLine(BPoint a, BPoint b, const rgb_color& c);
                        void                            StrokeLine(BPoint a, BPoint b, const rgb_color& color);
                        void                            StrokeRect(BRect r, const rgb_color& color);

                        void                            FillRegion(BRegion *region, const rgb_color& color);

                        void                            DrawString(const char* string, BPoint baseLine,
                                                                                   const rgb_color& color);

                        void                            CopyRegion(BRegion *region, int32 xOffset, int32 yOffset);

 private:
        AccelerantHWInterface*          fHWInterface;
        DirectWindowBuffer*                     fBuffer;
        BRegion                                         fCurrentClipping;
};


#endif // DRAWING_ENGINE_H