DisplayRes.h

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#ifndef _Display_Res_H_
#define _Display_Res_H_

using namespace std;

#include <fstream>
#include <vector>
#include <map>
#include "DisplayResScreen.h"
#include "mythexp.h"

typedef enum { GUI = 0, VIDEO = 1, CUSTOM_GUI = 2, CUSTOM_VIDEO = 3 } tmode;

class MPUBLIC DisplayRes {
  public:
    static DisplayRes *GetDisplayRes(void);

    bool Initialize(void);

    bool SwitchToVideo(int iwidth, int iheight, short irate = 0);
    bool SwitchToGUI(tmode which_gui=GUI);
    bool SwitchToCustomGUI(int width, int height, short rate = 0);
    int GetWidth(void)          const { return last.Width(); }

    int GetHeight(void)         const { return last.Height(); }

    int GetPhysicalWidth(void)  const { return last.Width_mm(); }

    int GetPhysicalHeight(void) const { return last.Height_mm(); }

    int GetRefreshRate(void)    const { return last.RefreshRate(); }
    double GetAspectRatio(void) const { return last.AspectRatio(); }

    int GetMaxWidth(void)    const { return max_width; }
    int GetMaxHeight(void)   const { return max_height; }
    virtual const vector<DisplayResScreen>& GetVideoModes() const = 0;
    const vector<short> GetRefreshRates(int width, int height) const;
  protected:
    DisplayRes(void) : max_width(0), max_height(0) {;}
    virtual ~DisplayRes(void) {;}
    
    // These methods are implemented by the subclasses
    virtual bool GetDisplaySize(int &width_mm, int &height_mm) const = 0;
    virtual bool SwitchToVideoMode(int width, int height, short framerate) = 0;

  private:
    DisplayRes(const DisplayRes & rhs); // disable copy constructor;

    tmode cur_mode;           // current mode
    DisplayResScreen mode[4]; // GUI, default video, custom GUI, custom video
    DisplayResScreen last;    // mirror of mode[current_mode]

    DisplayResMap in_size_to_output_mode;

    int max_width, max_height;

    static DisplayRes *instance;
};

MPUBLIC const vector<DisplayResScreen> GetVideoModes(void);

#endif

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