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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 The Qt Company Ltd 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
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QWindow>
#include <QColor>
#include <QMutex>
#include <QOpenGLShaderProgram>
#include <QOpenGLBuffer>
#include <QSharedPointer>
#include <QTimer>
class HelloWindow;
class Renderer : public QObject
{
Q_OBJECT
public:
explicit Renderer(const QSurfaceFormat &format, Renderer *share = 0, QScreen *screen = 0);
QSurfaceFormat format() const { return m_format; }
void setAnimating(HelloWindow *window, bool animating);
private slots:
void render();
private:
void initialize();
void createGeometry();
void createBubbles(int number);
void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
qreal m_fAngle;
QVector<QVector3D> vertices;
QVector<QVector3D> normals;
int vertexAttr;
int normalAttr;
int matrixUniform;
int colorUniform;
bool m_initialized;
QSurfaceFormat m_format;
QOpenGLContext *m_context;
QOpenGLShaderProgram *m_program;
QOpenGLBuffer m_vbo;
QList<HelloWindow *> m_windows;
int m_currentWindow;
QMutex m_windowLock;
QColor m_backgroundColor;
};
class HelloWindow : public QWindow
{
public:
explicit HelloWindow(const QSharedPointer<Renderer> &renderer, QScreen *screen = 0);
QColor color() const;
void updateColor();
void exposeEvent(QExposeEvent *event) Q_DECL_OVERRIDE;
private:
void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
int m_colorIndex;
QColor m_color;
const QSharedPointer<Renderer> m_renderer;
mutable QMutex m_colorLock;
};
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