qt5base-lts/examples/opengl/paintedwindow/paintedwindow.h

96 lines
3.1 KiB
C
Raw Normal View History

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 Nokia Corporation 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 <QtGui/qopengl.h>
#include <QtGui/qopenglshaderprogram.h>
#include <QtGui/qopenglframebufferobject.h>
#include <QPropertyAnimation>
#include <QColor>
#include <QImage>
#include <QTime>
QT_BEGIN_NAMESPACE
class QOpenGLContext;
QT_END_NAMESPACE
class PaintedWindow : public QWindow
{
Q_OBJECT
Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged)
public:
PaintedWindow();
qreal rotation() const { return m_rotation; }
signals:
void rotationChanged(qreal rotation);
private slots:
void paint();
void setRotation(qreal r);
void orientationChanged(Qt::ScreenOrientation newOrientation);
void rotationDone();
private:
void resizeEvent(QResizeEvent *);
void exposeEvent(QExposeEvent *);
void mousePressEvent(QMouseEvent *);
void paint(QPainter *painter, const QRect &rect);
QOpenGLContext *m_context;
qreal m_rotation;
QImage m_prevImage;
QImage m_nextImage;
qreal m_deltaRotation;
Qt::ScreenOrientation m_targetOrientation;
Qt::ScreenOrientation m_nextTargetOrientation;
QPropertyAnimation *m_animation;
QTimer *m_paintTimer;
};