Home · All Classes · Main Classes · Grouped Classes · Modules · Functions

pathdeform.h Example File
demos/deform/pathdeform.h

 /****************************************************************************
 **
 ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
 ** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.2, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
** you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
** granted herein.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ****************************************************************************/

 #ifndef PATHDEFORM_H
 #define PATHDEFORM_H

 #include "arthurwidgets.h"

 #include <QPainterPath>
 #include <QBasicTimer>
 #include <QDateTime>

 class PathDeformRenderer : public ArthurFrame
 {
     Q_OBJECT
     Q_PROPERTY(bool animated READ animated WRITE setAnimated)
     Q_PROPERTY(int radius READ radius WRITE setRadius)
     Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize)
     Q_PROPERTY(int intensity READ intensity WRITE setIntensity)
     Q_PROPERTY(QString text READ text WRITE setText)

 public:
     PathDeformRenderer(QWidget *widget);

     void paint(QPainter *painter);

     void mousePressEvent(QMouseEvent *e);
     void mouseReleaseEvent(QMouseEvent *e);
     void mouseMoveEvent(QMouseEvent *e);
     void timerEvent(QTimerEvent *e);

     QSize sizeHint() const { return QSize(600, 500); }

     bool animated() const { return m_animated; }
     int radius() const { return int(m_radius); }
     int fontSize() const { return m_fontSize; }
     int intensity() const { return int(m_intensity); }
     QString text() const { return m_text; }

 public slots:
     void setRadius(int radius);
     void setFontSize(int fontSize) { m_fontSize = fontSize; setText(m_text); }
     void setText(const QString &text);
     void setIntensity(int intensity);

     void setAnimated(bool animated);

 // signals:
 //     void frameRate(double fps);

 private:
     void generateLensPixmap();
     QPainterPath lensDeform(const QPainterPath &source, const QPointF &offset);

     QBasicTimer m_repaintTimer;
 //     QBasicTimer m_fpsTimer;
 //     int m_fpsCounter;
     QTime m_repaintTracker;

     QVector<QPainterPath> m_paths;
     QVector<QPointF> m_advances;
     QRectF m_pathBounds;
     QString m_text;

     QPixmap m_lens_pixmap;
     QImage m_lens_image;

     int m_fontSize;
     bool m_animated;

     double m_intensity;
     double m_radius;
     QPointF m_pos;
     QPointF m_offset;
     QPointF m_direction;
 };

 class PathDeformWidget : public QWidget
 {
 public:
     PathDeformWidget(QWidget *parent);

 private:
     PathDeformRenderer *m_renderer;
 };

 #endif // PATHDEFORM_H


Copyright © 2008 Trolltech Trademarks
Qt 4.3.5