mythdisplaymode.h

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#ifndef MYTHDISPLAYMODE_H_
#define MYTHDISPLAYMODE_H_
 
// Qt
#include <QSize>
#include <QString>
 
// MythTV
#include "mythuiexp.h"
 
// Std
#include <algorithm>
#include <cstdint>
#include <map>
#include <vector>
 
class MythDisplayMode;
using MythDisplayModes = std::vector<MythDisplayMode>;
using DisplayModeMap   = std::map<uint64_t, MythDisplayMode>;
using MythDisplayRates = std::vector<double>;
 
class MUI_PUBLIC MythDisplayMode
{
  public:
    bool operator <  (const MythDisplayMode& Other) const;
    bool operator == (const MythDisplayMode& Other) const;
 
    MythDisplayMode() = default;
    MythDisplayMode(QSize Resolution, QSize PhysicalSize,
                    double AspectRatio, double RefreshRate);
    MythDisplayMode(int Width, int Height, int MMWidth, int MMHeight,
                    double AspectRatio, double RefreshRate);
    void   Init          ();
    QString ToString     () const;
    QSize  Resolution    () const;
    int    Width         () const;
    int    Height        () const;
    int    WidthMM       () const;
    int    HeightMM      () const;
    double AspectRatio   () const;
    double RefreshRate   () const;
    void   SetAspectRatio(double AspectRatio);
    void   AddRefreshRate(double Rate);
    void   ClearRefreshRates();
    void   SetRefreshRate(double Rate);
    const  MythDisplayRates& RefreshRates() const;
    static int      FindBestMatch (const MythDisplayModes& Modes,
                                   const MythDisplayMode& Mode, double& TargetRate);
    static uint64_t CalcKey       (QSize Size, double Rate);
    static bool     CompareRates  (double First, double Second, double Precision = 0.01);
    static uint64_t FindBestScreen(const DisplayModeMap& Map,
                                   int Width, int Height, double Rate);
 
  private:
    int m_width     { 0 };
    int m_height    { 0 };
    int m_widthMM   { 0 };
    int m_heightMM  { 0 };
    double m_aspect { -1.0 };
    MythDisplayRates m_refreshRates;
};
#endif