528cb10d53
The expose event is sent when the window can start rendering. Change-Id: Ifdfb01a107e3bf665fb7be65802cdaabea4c5a34 Reviewed-by: Laszlo Agocs <laszlo.p.agocs@nokia.com>
110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QWindow>
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#include <QtGui/qopengl.h>
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#include <QtGui/qopenglshaderprogram.h>
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#include <QColor>
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#include <QTime>
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QT_BEGIN_NAMESPACE
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class QOpenGLContext;
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QT_END_NAMESPACE
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class Renderer : public QObject
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{
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Q_OBJECT
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public:
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Renderer(const QSurfaceFormat &format, Renderer *share = 0, QScreen *screen = 0);
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QSurfaceFormat format() const { return m_format; }
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public slots:
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void render(QSurface *surface, const QColor &color, const QSize &viewSize);
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private:
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void initialize();
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qreal m_fAngle;
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bool m_showBubbles;
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void paintQtLogo();
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void createGeometry();
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void createBubbles(int number);
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void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
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void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
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QVector<QVector3D> vertices;
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QVector<QVector3D> normals;
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int vertexAttr;
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int normalAttr;
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int matrixUniform;
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int colorUniform;
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bool m_initialized;
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QSurfaceFormat m_format;
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QOpenGLContext *m_context;
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QOpenGLShaderProgram *m_program;
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};
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class HelloWindow : public QWindow
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{
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Q_OBJECT
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public:
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HelloWindow(Renderer *renderer);
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void updateColor();
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void exposeEvent(QExposeEvent *event);
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signals:
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void needRender(QSurface *surface, const QColor &color, const QSize &viewSize);
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private slots:
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void render();
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private:
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void mousePressEvent(QMouseEvent *);
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int m_colorIndex;
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QColor m_color;
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Renderer *m_renderer;
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};
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