Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include <QtSvg>
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#include "window.h"
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#include "svgtextobject.h"
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Window::Window()
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{
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setupGui();
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setupTextObject();
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setWindowTitle("Text Object Example");
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}
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//![1]
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void Window::insertTextObject()
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{
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QString fileName = fileNameLineEdit->text();
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QFile file(fileName);
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if (!file.open(QIODevice::ReadOnly)) {
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QMessageBox::warning(this, tr("Error Opening File"),
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tr("Could not open '%1'").arg(fileName));
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}
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QByteArray svgData = file.readAll();
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//![1]
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//![2]
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QTextCharFormat svgCharFormat;
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svgCharFormat.setObjectType(SvgTextFormat);
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QSvgRenderer renderer(svgData);
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QImage svgBufferImage(renderer.defaultSize(), QImage::Format_ARGB32);
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QPainter painter(&svgBufferImage);
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renderer.render(&painter, svgBufferImage.rect());
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svgCharFormat.setProperty(SvgData, svgBufferImage);
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QTextCursor cursor = textEdit->textCursor();
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cursor.insertText(QString(QChar::ObjectReplacementCharacter), svgCharFormat);
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textEdit->setTextCursor(cursor);
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}
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//![2]
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//![3]
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void Window::setupTextObject()
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{
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QObject *svgInterface = new SvgTextObject;
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textEdit->document()->documentLayout()->registerHandler(SvgTextFormat, svgInterface);
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}
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//![3]
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void Window::setupGui()
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{
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fileNameLabel = new QLabel(tr("Svg File Name:"));
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fileNameLineEdit = new QLineEdit;
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insertTextObjectButton = new QPushButton(tr("Insert Image"));
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fileNameLineEdit->setText(":/files/heart.svg");
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connect(insertTextObjectButton, SIGNAL(clicked()),
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this, SLOT(insertTextObject()));
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QHBoxLayout *bottomLayout = new QHBoxLayout;
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bottomLayout->addWidget(fileNameLabel);
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bottomLayout->addWidget(fileNameLineEdit);
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bottomLayout->addWidget(insertTextObjectButton);
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textEdit = new QTextEdit;
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QVBoxLayout *mainLayout = new QVBoxLayout;
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mainLayout->addWidget(textEdit);
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mainLayout->addLayout(bottomLayout);
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setLayout(mainLayout);
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}
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