glwidget.h Example File | Qt OpenGL

Qt 5.6 | Qt OpenGL | Textures Example | glwidget.h Example File

Qt 5.6.2 Reference Documentation

# glwidget.h Example File

textures/glwidget.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
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      #ifndef GLWIDGET_H
      #define GLWIDGET_H

      #include <QOpenGLWidget>
      #include <QOpenGLFunctions>
      #include <QOpenGLBuffer>

      QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram);
      QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)

      class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
      {
          Q_OBJECT

      public:
          explicit GLWidget(QWidget *parent = 0);
          ~GLWidget();

          QSize minimumSizeHint() const Q_DECL_OVERRIDE;
          QSize sizeHint() const Q_DECL_OVERRIDE;
          void rotateBy(int xAngle, int yAngle, int zAngle);
          void setClearColor(const QColor &color);

      signals:
          void clicked();

      protected:
          void initializeGL() Q_DECL_OVERRIDE;
          void paintGL() Q_DECL_OVERRIDE;
          void resizeGL(int width, int height) Q_DECL_OVERRIDE;
          void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
          void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
          void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;

      private:
          void makeObject();

          QColor clearColor;
          QPoint lastPos;
          int xRot;
          int yRot;
          int zRot;
          QOpenGLTexture *textures[6];
          QOpenGLShaderProgram *program;
          QOpenGLBuffer vbo;
      };

      #endif