[2] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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[2] | 6 | **
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| 7 | ** This file is part of the examples of the Qt Toolkit.
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| 8 | **
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[846] | 9 | ** $QT_BEGIN_LICENSE:BSD$
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| 10 | ** You may use this file under the terms of the BSD license as follows:
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[2] | 11 | **
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[846] | 12 | ** "Redistribution and use in source and binary forms, with or without
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| 13 | ** modification, are permitted provided that the following conditions are
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| 14 | ** met:
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| 15 | ** * Redistributions of source code must retain the above copyright
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| 16 | ** notice, this list of conditions and the following disclaimer.
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| 17 | ** * Redistributions in binary form must reproduce the above copyright
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| 18 | ** notice, this list of conditions and the following disclaimer in
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| 19 | ** the documentation and/or other materials provided with the
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| 20 | ** distribution.
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| 21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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| 22 | ** the names of its contributors may be used to endorse or promote
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| 23 | ** products derived from this software without specific prior written
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| 24 | ** permission.
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[2] | 25 | **
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[846] | 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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[2] | 37 | ** $QT_END_LICENSE$
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| 38 | **
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| 39 | ****************************************************************************/
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| 40 |
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| 41 | #include <QtGui>
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| 42 | #include <QtSvg>
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| 43 |
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| 44 | #include "window.h"
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| 45 | #include "svgtextobject.h"
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| 46 |
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| 47 | Window::Window()
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| 48 | {
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| 49 | setupGui();
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| 50 | setupTextObject();
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| 51 |
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| 52 | setWindowTitle("Text Object Example");
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| 53 | }
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| 54 |
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| 55 | //![1]
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| 56 | void Window::insertTextObject()
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| 57 | {
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| 58 | QString fileName = fileNameLineEdit->text();
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| 59 | QFile file(fileName);
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| 60 | if (!file.open(QIODevice::ReadOnly)) {
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| 61 | QMessageBox::warning(this, tr("Error Opening File"),
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| 62 | tr("Could not open '%1'").arg(fileName));
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| 63 | }
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| 64 |
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| 65 | QByteArray svgData = file.readAll();
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| 66 | //![1]
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| 67 |
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| 68 | //![2]
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| 69 | QTextCharFormat svgCharFormat;
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| 70 | svgCharFormat.setObjectType(SvgTextFormat);
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| 71 | QSvgRenderer renderer(svgData);
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| 72 |
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| 73 | QImage svgBufferImage(renderer.defaultSize(), QImage::Format_ARGB32);
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| 74 | QPainter painter(&svgBufferImage);
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| 75 | renderer.render(&painter, svgBufferImage.rect());
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| 76 |
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| 77 | svgCharFormat.setProperty(SvgData, svgBufferImage);
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| 78 |
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| 79 | QTextCursor cursor = textEdit->textCursor();
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| 80 | cursor.insertText(QString(QChar::ObjectReplacementCharacter), svgCharFormat);
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| 81 | textEdit->setTextCursor(cursor);
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| 82 | }
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| 83 | //![2]
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| 84 |
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| 85 | //![3]
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| 86 | void Window::setupTextObject()
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| 87 | {
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| 88 | QObject *svgInterface = new SvgTextObject;
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| 89 | textEdit->document()->documentLayout()->registerHandler(SvgTextFormat, svgInterface);
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| 90 | }
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| 91 | //![3]
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| 92 |
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| 93 | void Window::setupGui()
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| 94 | {
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| 95 | fileNameLabel = new QLabel(tr("Svg File Name:"));
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| 96 | fileNameLineEdit = new QLineEdit;
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| 97 | insertTextObjectButton = new QPushButton(tr("Insert Image"));
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| 98 |
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| 99 | fileNameLineEdit->setText("./files/heart.svg");
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| 100 | connect(insertTextObjectButton, SIGNAL(clicked()),
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| 101 | this, SLOT(insertTextObject()));
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| 102 |
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| 103 | QHBoxLayout *bottomLayout = new QHBoxLayout;
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| 104 | bottomLayout->addWidget(fileNameLabel);
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| 105 | bottomLayout->addWidget(fileNameLineEdit);
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| 106 | bottomLayout->addWidget(insertTextObjectButton);
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| 107 |
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| 108 | textEdit = new QTextEdit;
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| 109 |
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| 110 | QVBoxLayout *mainLayout = new QVBoxLayout;
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| 111 | mainLayout->addWidget(textEdit);
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| 112 | mainLayout->addLayout(bottomLayout);
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| 113 |
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| 114 | setLayout(mainLayout);
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| 115 | }
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| 116 |
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