qt5base-lts/examples/opengl/textures/glwidget.h

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** $QT_END_LICENSE$
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****************************************************************************/
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QtWidgets>
#include <QGLWidget>
QT_FORWARD_DECLARE_CLASS(QGLShaderProgram);
class GLWidget : public QGLWidget
{
Q_OBJECT
public:
explicit GLWidget(QWidget *parent = 0, QGLWidget *shareWidget = 0);
~GLWidget();
QSize minimumSizeHint() const;
QSize sizeHint() const;
void rotateBy(int xAngle, int yAngle, int zAngle);
void setClearColor(const QColor &color);
signals:
void clicked();
protected:
void initializeGL();
void paintGL();
void resizeGL(int width, int height);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private:
void makeObject();
QColor clearColor;
QPoint lastPos;
int xRot;
int yRot;
int zRot;
GLuint textures[6];
QVector<QVector3D> vertices;
QVector<QVector2D> texCoords;
#ifdef QT_OPENGL_ES_2
QGLShaderProgram *program;
#endif
};
#endif