Video.h

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#ifndef VIDEO_H
#define VIDEO_H

#include <stdint.h>
#include <string>
#include <list>
#include <SDL/SDL.h>

struct SDL_Surface;
namespace annie {

class Video {
public:
    static Video &getInstance();

    static void deinit();

    void setWindow(unsigned x, unsigned y, bool redrawThread=false, bool openGL=false);
    unsigned getWindowWidth()   const;
    unsigned getWindowHeight() const;

    /*abstract*/ class Redrawer {
      public:
        Redrawer()  {  setFullViewport(); }
        virtual ~Redrawer() {}
        Redrawer(uint ox, uint oy, uint sx, uint sy) { offsetX = ox; offsetY = oy;  sizeX = sx;  sizeY = sy; }
        void doRedraw();

        void setViewport(uint ox, uint oy, uint sx, uint sy)    { offsetX = ox; offsetY = oy;  sizeX = sx;  sizeY = sy; }

        void setFullViewport();
      protected:
        
        virtual void draw()=0;

      private:
        uint offsetX, offsetY, sizeX, sizeY;
    };



    void addRedraw(Redrawer *r);
    
    void removeRedraw(Redrawer *r);
    
    void redraw();

    void waitForKey();

    bool gl()   { return usesGL; }

    //flip buffers(if supported)
    void flip();
protected:
    typedef std::list<Redrawer *> Painters;
    Painters painters;
    SDL_Surface *screen;
    
    Video();
    ~Video();
private:
    bool redrawThread;
    bool usesGL;
};

extern SDL_PixelFormat defaultRGBformat;
}
#endif

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