<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>xform.h Example File | Qt Widgets 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-painting-affine-example.html">Affine Transformations</a></td><td >xform.h Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">xform.h Example File</h1> <span class="subtitle">painting/affine/xform.h</span> <!-- $$$painting/affine/xform.h-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#ifndef XFORM_H</span> <span class="preprocessor">#define XFORM_H</span> <span class="preprocessor">#include "arthurwidgets.h"</span> <span class="preprocessor">#include <QBasicTimer></span> <span class="preprocessor">#include <QPolygonF></span> <span class="keyword">class</span> HoverPoints; <span class="keyword">class</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>; <span class="keyword">class</span> XFormView : <span class="keyword">public</span> ArthurFrame { <span class="keyword">public</span>: Q_OBJECT Q_PROPERTY(XFormType type READ type WRITE setType) Q_PROPERTY(bool animation READ animation WRITE setAnimation) Q_PROPERTY(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> shear READ shear WRITE setShear) Q_PROPERTY(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> rotation READ rotation WRITE setRotation) Q_PROPERTY(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> scale READ scale WRITE setScale) Q_PROPERTY(<span class="type"><a href="../qtcore/qstring.html">QString</a></span> text READ text WRITE setText) Q_PROPERTY(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> pixmap READ pixmap WRITE setPixmap) Q_ENUMS(XFormType) <span class="keyword">public</span>: <span class="keyword">enum</span> XFormType { VectorType<span class="operator">,</span> PixmapType<span class="operator">,</span> TextType }; XFormView(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent); <span class="type">void</span> paint(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>) override; <span class="type">void</span> drawVectorType(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter); <span class="type">void</span> drawPixmapType(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter); <span class="type">void</span> drawTextType(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter); <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> sizeHint() <span class="keyword">const</span> override { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span>(<span class="number">500</span><span class="operator">,</span> <span class="number">500</span>); } <span class="type">void</span> mousePressEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>e) override; <span class="type">void</span> resizeEvent(<span class="type"><a href="../qtgui/qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span>e) override; HoverPoints <span class="operator">*</span>hoverPoints() { <span class="keyword">return</span> pts; } bool animation() <span class="keyword">const</span> { <span class="keyword">return</span> timer<span class="operator">.</span>isActive(); } <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> shear() <span class="keyword">const</span> { <span class="keyword">return</span> m_shear; } <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> scale() <span class="keyword">const</span> { <span class="keyword">return</span> m_scale; } <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> rotation() <span class="keyword">const</span> { <span class="keyword">return</span> m_rotation; } <span class="type">void</span> setShear(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> s); <span class="type">void</span> setScale(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> s); <span class="type">void</span> setRotation(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> r); XFormType type() <span class="keyword">const</span>; <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> pixmap() <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> text() <span class="keyword">const</span>; <span class="keyword">public</span> <span class="keyword">slots</span>: <span class="type">void</span> setAnimation(bool animate); <span class="type">void</span> updateCtrlPoints(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpolygonf.html">QPolygonF</a></span> <span class="operator">&</span>); <span class="type">void</span> changeRotation(<span class="type">int</span> rotation); <span class="type">void</span> changeScale(<span class="type">int</span> scale); <span class="type">void</span> changeShear(<span class="type">int</span> shear); <span class="type">void</span> setText(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>); <span class="type">void</span> setPixmap(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> <span class="operator">&</span>); <span class="type">void</span> setType(XFormType t); <span class="type">void</span> setVectorType(); <span class="type">void</span> setPixmapType(); <span class="type">void</span> setTextType(); <span class="type">void</span> reset(); <span class="keyword">signals</span>: <span class="type">void</span> rotationChanged(<span class="type">int</span> rotation); <span class="type">void</span> scaleChanged(<span class="type">int</span> scale); <span class="type">void</span> shearChanged(<span class="type">int</span> shear); <span class="keyword">protected</span>: <span class="type">void</span> timerEvent(<span class="type"><a href="../qtcore/qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>e) override; <span class="preprocessor">#if QT_CONFIG(wheelevent)</span> <span class="type">void</span> wheelEvent(<span class="type"><a href="../qtgui/qwheelevent.html">QWheelEvent</a></span> <span class="operator">*</span>) override; <span class="preprocessor">#endif</span> <span class="keyword">private</span>: <span class="type"><a href="../qtgui/qpolygonf.html">QPolygonF</a></span> ctrlPoints; HoverPoints <span class="operator">*</span>pts; <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> m_rotation; <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> m_scale; <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> m_shear; XFormType m_type; <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> m_pixmap; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> m_text; <span class="type"><a href="../qtcore/qbasictimer.html">QBasicTimer</a></span> timer; }; <span class="keyword">class</span> XFormWidget : <span class="keyword">public</span> <span class="type"><a href="qwidget.html">QWidget</a></span> { Q_OBJECT <span class="keyword">public</span>: XFormWidget(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent); <span class="keyword">private</span>: XFormView <span class="operator">*</span>view; <span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>textEditor; }; <span class="preprocessor">#endif // XFORM_H</span> </pre> </div> <!-- @@@painting/affine/xform.h --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>