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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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, bool smallScreen = false);
+
+ 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 clicked();
+// 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;
+
+ qreal m_intensity;
+ qreal m_radius;
+ QPointF m_pos;
+ QPointF m_offset;
+ QPointF m_direction;
+ QPointF m_mousePress;
+ bool m_mouseDrag;
+ bool m_smallScreen;
+};
+
+class PathDeformControls : public QWidget
+{
+ Q_OBJECT
+public:
+ PathDeformControls(QWidget *parent, PathDeformRenderer* renderer, bool smallScreen);
+signals:
+ void okPressed();
+ void quitPressed();
+private:
+ PathDeformRenderer* m_renderer;
+ void layoutForDesktop();
+ void layoutForSmallScreen();
+private slots:
+ void emitQuitSignal();
+ void emitOkSignal();
+};
+
+class PathDeformWidget : public QWidget
+{
+ Q_OBJECT
+public:
+ PathDeformWidget(QWidget *parent, bool smallScreen);
+ void setStyle ( QStyle * style );
+
+private:
+ PathDeformRenderer *m_renderer;
+ PathDeformControls *m_controls;
+
+private slots:
+ void showControls();
+ void hideControls();
+};
+
+#endif // PATHDEFORM_H