<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Qt 4.3: xform.h Example File (demos/affine/xform.h)</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">xform.h Example File<br /><sup><sup>demos/affine/xform.h</sup></sup></h1> <pre><span class="comment"> /**************************************************************************** ** ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the demonstration applications 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 1.1, 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. ** ****************************************************************************/</span> #ifndef XFORM_H #define XFORM_H #include "arthurwidgets.h" #include <QBasicTimer> #include <QPolygonF> class HoverPoints; class QLineEdit; class XFormView : public ArthurFrame { Q_OBJECT Q_PROPERTY(bool animation READ animation WRITE setAnimation) Q_PROPERTY(double shear READ shear WRITE setShear) Q_PROPERTY(double rotation READ rotation WRITE setRotation) Q_PROPERTY(double scale READ scale WRITE setScale) public: XFormView(QWidget *parent); void paint(QPainter *); void drawVectorType(QPainter *painter); void drawPixmapType(QPainter *painter); void drawTextType(QPainter *painter); QSize sizeHint() const { return QSize(500, 500); } void mousePressEvent(QMouseEvent *e); void resizeEvent(QResizeEvent *e); HoverPoints *hoverPoints() { return pts; } QLineEdit *textEditor; bool animation() const { return timer.isActive(); } double shear() const { return m_shear; } double scale() const { return m_scale; } double rotation() const { return m_rotation; } void setShear(double s); void setScale(double s); void setRotation(double r); public slots: void setAnimation(bool animate); void updateCtrlPoints(const QPolygonF &); void changeRotation(int rotation); void changeScale(int scale); void changeShear(int shear); void setVectorType(); void setPixmapType(); void setTextType(); void reset(); signals: void rotationChanged(int rotation); void scaleChanged(int scale); void shearChanged(int shear); protected: void timerEvent(QTimerEvent *e); void wheelEvent(QWheelEvent *); private: enum XFormType { VectorType, PixmapType, TextType }; QPolygonF ctrlPoints; HoverPoints *pts; double m_rotation; double m_scale; double m_shear; XFormType type; QPixmap pixmap; QBasicTimer timer; }; class XFormWidget : public QWidget { Q_OBJECT public: XFormWidget(QWidget *parent); private: XFormView *view; }; #endif <span class="comment">//</span> XFORM_H</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2008 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.3.4</div></td> </tr></table></div></address></body> </html>