xref: /OK3568_Linux_fs/app/forlinx/forlinx_qt/qopenglwidget/glwidget.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /****************************************************************************
2*4882a593Smuzhiyun **
3*4882a593Smuzhiyun ** Copyright (C) 2016 The Qt Company Ltd.
4*4882a593Smuzhiyun ** Contact: https://www.qt.io/licensing/
5*4882a593Smuzhiyun **
6*4882a593Smuzhiyun ** This file is part of the examples of the Qt Toolkit.
7*4882a593Smuzhiyun **
8*4882a593Smuzhiyun ** $QT_BEGIN_LICENSE:BSD$
9*4882a593Smuzhiyun ** Commercial License Usage
10*4882a593Smuzhiyun ** Licensees holding valid commercial Qt licenses may use this file in
11*4882a593Smuzhiyun ** accordance with the commercial license agreement provided with the
12*4882a593Smuzhiyun ** Software or, alternatively, in accordance with the terms contained in
13*4882a593Smuzhiyun ** a written agreement between you and The Qt Company. For licensing terms
14*4882a593Smuzhiyun ** and conditions see https://www.qt.io/terms-conditions. For further
15*4882a593Smuzhiyun ** information use the contact form at https://www.qt.io/contact-us.
16*4882a593Smuzhiyun **
17*4882a593Smuzhiyun ** BSD License Usage
18*4882a593Smuzhiyun ** Alternatively, you may use this file under the terms of the BSD license
19*4882a593Smuzhiyun ** as follows:
20*4882a593Smuzhiyun **
21*4882a593Smuzhiyun ** "Redistribution and use in source and binary forms, with or without
22*4882a593Smuzhiyun ** modification, are permitted provided that the following conditions are
23*4882a593Smuzhiyun ** met:
24*4882a593Smuzhiyun **   * Redistributions of source code must retain the above copyright
25*4882a593Smuzhiyun **     notice, this list of conditions and the following disclaimer.
26*4882a593Smuzhiyun **   * Redistributions in binary form must reproduce the above copyright
27*4882a593Smuzhiyun **     notice, this list of conditions and the following disclaimer in
28*4882a593Smuzhiyun **     the documentation and/or other materials provided with the
29*4882a593Smuzhiyun **     distribution.
30*4882a593Smuzhiyun **   * Neither the name of The Qt Company Ltd nor the names of its
31*4882a593Smuzhiyun **     contributors may be used to endorse or promote products derived
32*4882a593Smuzhiyun **     from this software without specific prior written permission.
33*4882a593Smuzhiyun **
34*4882a593Smuzhiyun **
35*4882a593Smuzhiyun ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36*4882a593Smuzhiyun ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37*4882a593Smuzhiyun ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38*4882a593Smuzhiyun ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39*4882a593Smuzhiyun ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40*4882a593Smuzhiyun ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41*4882a593Smuzhiyun ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42*4882a593Smuzhiyun ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43*4882a593Smuzhiyun ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44*4882a593Smuzhiyun ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45*4882a593Smuzhiyun ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46*4882a593Smuzhiyun **
47*4882a593Smuzhiyun ** $QT_END_LICENSE$
48*4882a593Smuzhiyun **
49*4882a593Smuzhiyun ****************************************************************************/
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #ifndef GLWIDGET_H
52*4882a593Smuzhiyun #define GLWIDGET_H
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #include <QOpenGLWidget>
55*4882a593Smuzhiyun #include <QOpenGLFunctions>
56*4882a593Smuzhiyun #include <QOpenGLBuffer>
57*4882a593Smuzhiyun #include <QVector3D>
58*4882a593Smuzhiyun #include <QMatrix4x4>
59*4882a593Smuzhiyun #include <QTime>
60*4882a593Smuzhiyun #include <QVector>
61*4882a593Smuzhiyun #include <QPushButton>
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun class Bubble;
64*4882a593Smuzhiyun class MainWindow;
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)
QT_FORWARD_DECLARE_CLASS(QOpenGLShader)67*4882a593Smuzhiyun QT_FORWARD_DECLARE_CLASS(QOpenGLShader)
68*4882a593Smuzhiyun QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
71*4882a593Smuzhiyun {
72*4882a593Smuzhiyun     Q_OBJECT
73*4882a593Smuzhiyun public:
74*4882a593Smuzhiyun     GLWidget(MainWindow *mw, bool button, const QColor &background);
75*4882a593Smuzhiyun     ~GLWidget();
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun public slots:
78*4882a593Smuzhiyun     void setScaling(int scale);
79*4882a593Smuzhiyun     void setLogo();
80*4882a593Smuzhiyun     void setTexture();
81*4882a593Smuzhiyun     void setShowBubbles(bool);
82*4882a593Smuzhiyun     void setTransparent(bool transparent);
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun private slots:
85*4882a593Smuzhiyun     void handleButtonPress();
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun protected:
88*4882a593Smuzhiyun     void resizeGL(int w, int h) override;
89*4882a593Smuzhiyun     void paintGL() override;
90*4882a593Smuzhiyun     void initializeGL() override;
91*4882a593Smuzhiyun 
92*4882a593Smuzhiyun private:
93*4882a593Smuzhiyun     void paintTexturedCube();
94*4882a593Smuzhiyun     void paintQtLogo();
95*4882a593Smuzhiyun     void createGeometry();
96*4882a593Smuzhiyun     void createBubbles(int number);
97*4882a593Smuzhiyun     void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
98*4882a593Smuzhiyun     void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
99*4882a593Smuzhiyun 
100*4882a593Smuzhiyun     MainWindow *m_mainWindow;
101*4882a593Smuzhiyun     qreal m_fAngle;
102*4882a593Smuzhiyun     qreal m_fScale;
103*4882a593Smuzhiyun     bool m_showBubbles;
104*4882a593Smuzhiyun     QVector<QVector3D> m_vertices;
105*4882a593Smuzhiyun     QVector<QVector3D> m_normals;
106*4882a593Smuzhiyun     bool m_qtLogo;
107*4882a593Smuzhiyun     QList<Bubble *> m_bubbles;
108*4882a593Smuzhiyun     int m_frames;
109*4882a593Smuzhiyun     QTime m_time;
110*4882a593Smuzhiyun     QOpenGLShader *m_vshader1;
111*4882a593Smuzhiyun     QOpenGLShader *m_fshader1;
112*4882a593Smuzhiyun     QOpenGLShader *m_vshader2;
113*4882a593Smuzhiyun     QOpenGLShader *m_fshader2;
114*4882a593Smuzhiyun     QOpenGLShaderProgram *m_program1;
115*4882a593Smuzhiyun     QOpenGLShaderProgram *m_program2;
116*4882a593Smuzhiyun     QOpenGLTexture *m_texture;
117*4882a593Smuzhiyun     QOpenGLBuffer m_vbo1;
118*4882a593Smuzhiyun     QOpenGLBuffer m_vbo2;
119*4882a593Smuzhiyun     int m_vertexAttr1;
120*4882a593Smuzhiyun     int m_normalAttr1;
121*4882a593Smuzhiyun     int m_matrixUniform1;
122*4882a593Smuzhiyun     int m_vertexAttr2;
123*4882a593Smuzhiyun     int m_normalAttr2;
124*4882a593Smuzhiyun     int m_texCoordAttr2;
125*4882a593Smuzhiyun     int m_matrixUniform2;
126*4882a593Smuzhiyun     int m_textureUniform2;
127*4882a593Smuzhiyun     bool m_transparent;
128*4882a593Smuzhiyun     QPushButton *m_btn;
129*4882a593Smuzhiyun     bool m_hasButton;
130*4882a593Smuzhiyun     QColor m_background;
131*4882a593Smuzhiyun };
132*4882a593Smuzhiyun 
133*4882a593Smuzhiyun #endif
134