2b75c156b6
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/****************************************************************************
|
|
**
|
|
** 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 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."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef RENDERTHREAD_H
|
|
#define RENDERTHREAD_H
|
|
|
|
#include <QMutex>
|
|
#include <QSize>
|
|
#include <QThread>
|
|
#include <QWaitCondition>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
class QImage;
|
|
QT_END_NAMESPACE
|
|
|
|
//! [0]
|
|
class RenderThread : public QThread
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
RenderThread(QObject *parent = 0);
|
|
~RenderThread();
|
|
|
|
void render(double centerX, double centerY, double scaleFactor, QSize resultSize);
|
|
|
|
signals:
|
|
void renderedImage(const QImage &image, double scaleFactor);
|
|
|
|
protected:
|
|
void run() Q_DECL_OVERRIDE;
|
|
|
|
private:
|
|
uint rgbFromWaveLength(double wave);
|
|
|
|
QMutex mutex;
|
|
QWaitCondition condition;
|
|
double centerX;
|
|
double centerY;
|
|
double scaleFactor;
|
|
QSize resultSize;
|
|
bool restart;
|
|
bool abort;
|
|
|
|
enum { ColormapSize = 512 };
|
|
uint colormap[ColormapSize];
|
|
};
|
|
//! [0]
|
|
|
|
#endif // RENDERTHREAD_H
|