1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the documentation of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** BSD License Usage 18 ** Alternatively, you may use this file under the terms of the BSD license 19 ** as follows: 20 ** 21 ** "Redistribution and use in source and binary forms, with or without 22 ** modification, are permitted provided that the following conditions are 23 ** met: 24 ** * Redistributions of source code must retain the above copyright 25 ** notice, this list of conditions and the following disclaimer. 26 ** * Redistributions in binary form must reproduce the above copyright 27 ** notice, this list of conditions and the following disclaimer in 28 ** the documentation and/or other materials provided with the 29 ** distribution. 30 ** * Neither the name of The Qt Company Ltd nor the names of its 31 ** contributors may be used to endorse or promote products derived 32 ** from this software without specific prior written permission. 33 ** 34 ** 35 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 36 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 37 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 38 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 39 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 42 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 43 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 44 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 45 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 46 ** 47 ** $QT_END_LICENSE$ 48 ** 49 ****************************************************************************/ 50 51 //! [0] 52 QPainterPath path; 53 path.addRect(20, 20, 60, 60); 54 55 path.moveTo(0, 0); 56 path.cubicTo(99, 0, 50, 50, 99, 99); 57 path.cubicTo(0, 99, 50, 50, 0, 0); 58 59 QPainter painter(this); 60 painter.fillRect(0, 0, 100, 100, Qt::white); 61 painter.setPen(QPen(QColor(79, 106, 25), 1, Qt::SolidLine, 62 Qt::FlatCap, Qt::MiterJoin)); 63 painter.setBrush(QColor(122, 163, 39)); 64 65 painter.drawPath(path); 66 //! [0] 67 68 69 //! [1] 70 QLinearGradient myGradient; 71 QPen myPen; 72 73 QPainterPath myPath; 74 myPath.cubicTo(c1, c2, endPoint); 75 76 QPainter painter(this); 77 painter.setBrush(myGradient); 78 painter.setPen(myPen); 79 painter.drawPath(myPath); 80 //! [1] 81 82 83 //! [2] 84 QLinearGradient myGradient; 85 QPen myPen; 86 87 QPointF center, startPoint; 88 89 QPainterPath myPath; 90 myPath.moveTo(center); 91 myPath.arcTo(boundingRect, startAngle, 92 sweepLength); 93 94 QPainter painter(this); 95 painter.setBrush(myGradient); 96 painter.setPen(myPen); 97 painter.drawPath(myPath); 98 //! [2] 99 100 101 //! [3] 102 QLinearGradient myGradient; 103 QPen myPen; 104 QRectF myRectangle; 105 106 QPainterPath myPath; 107 myPath.addRect(myRectangle); 108 109 QPainter painter(this); 110 painter.setBrush(myGradient); 111 painter.setPen(myPen); 112 painter.drawPath(myPath); 113 //! [3] 114 115 116 //! [4] 117 QLinearGradient myGradient; 118 QPen myPen; 119 QPolygonF myPolygon; 120 121 QPainterPath myPath; 122 myPath.addPolygon(myPolygon); 123 124 QPainter painter(this); 125 painter.setBrush(myGradient); 126 painter.setPen(myPen); 127 painter.drawPath(myPath); 128 //! [4] 129 130 131 //! [5] 132 QLinearGradient myGradient; 133 QPen myPen; 134 QRectF boundingRectangle; 135 136 QPainterPath myPath; 137 myPath.addEllipse(boundingRectangle); 138 139 QPainter painter(this); 140 painter.setBrush(myGradient); 141 painter.setPen(myPen); 142 painter.drawPath(myPath); 143 //! [5] 144 145 146 //! [6] 147 QLinearGradient myGradient; 148 QPen myPen; 149 QFont myFont; 150 QPointF baseline(x, y); 151 152 QPainterPath myPath; 153 myPath.addText(baseline, myFont, tr("Qt")); 154 155 QPainter painter(this); 156 painter.setBrush(myGradient); 157 painter.setPen(myPen); 158 painter.drawPath(myPath); 159 //! [6] 160