cplayer/CPlayer/Player/PlayerGLWidget.h

#ifndef PLAYEROPENGLWIDGET_H
#define PLAYEROPENGLWIDGET_H


#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLTexture>

#include "PlayerGlobalInfo.h"

/**
 * @brief 
 * 
 */


class PlayerGLWidget : public QOpenGLWidget , public QOpenGLFunctions
{
    Q_OBJECT

    enum
    {
        Left_Bottom_X,
        Left_Bottom_Y,
        Right_Bottom_X,
        Right_Bottom_Y,
        Right_Top_X,
        Right_Top_Y,
        Left_Top_X,
        Left_Top_Y,
        Pos_Max
    };


public:
    explicit PlayerGLWidget(QWidget *parent = nullptr);
    ~PlayerGLWidget();

    /* 刷新一帧 */
    void updateFrame(Image_YUV420& image);
    /* 刷新一帧QImage */
    void updateFrame(Image_QImage& image);


private:

protected:
    void initializeGL() override;
    void resizeGL(int w, int h) override;
    void paintGL() override;

    // void setImage(const QImage &image);


private:

    uchar* imageData_;           //纹理显示的数据源
    QSize imageSize_;            //图片尺寸
    QSize Ortho2DSize_;          //窗口尺寸
    QOpenGLTexture* texture_;
    GLuint textureId_;           //纹理对象ID
    int vertexPos_[Pos_Max];     //窗口坐标
    float texturePos_[Pos_Max];  //纹理坐标

    Image_QImage m_image;
};

#endif /* PLAYEROPENGLWIDGET_H */