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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
#include <QtSvg>
#include "window.h"
#include "svgtextobject.h"
Window::Window()
{
setupGui();
setupTextObject();
setWindowTitle("Text Object Example");
}
//![1]
void Window::insertTextObject()
{
QString fileName = fileNameLineEdit->text();
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly)) {
QMessageBox::warning(this, tr("Error Opening File"),
tr("Could not open '%1'").arg(fileName));
}
QByteArray svgData = file.readAll();
//![1]
//![2]
QTextCharFormat svgCharFormat;
svgCharFormat.setObjectType(SvgTextFormat);
QSvgRenderer renderer(svgData);
QImage svgBufferImage(renderer.defaultSize(), QImage::Format_ARGB32);
QPainter painter(&svgBufferImage);
renderer.render(&painter, svgBufferImage.rect());
svgCharFormat.setProperty(SvgData, svgBufferImage);
QTextCursor cursor = textEdit->textCursor();
cursor.insertText(QString(QChar::ObjectReplacementCharacter), svgCharFormat);
textEdit->setTextCursor(cursor);
}
//![2]
//![3]
void Window::setupTextObject()
{
QObject *svgInterface = new SvgTextObject;
svgInterface->setParent(this);
textEdit->document()->documentLayout()->registerHandler(SvgTextFormat, svgInterface);
}
//![3]
void Window::setupGui()
{
fileNameLabel = new QLabel(tr("Svg File Name:"));
fileNameLineEdit = new QLineEdit;
insertTextObjectButton = new QPushButton(tr("Insert Image"));
fileNameLineEdit->setText(":/files/heart.svg");
connect(insertTextObjectButton, SIGNAL(clicked()),
this, SLOT(insertTextObject()));
QHBoxLayout *bottomLayout = new QHBoxLayout;
bottomLayout->addWidget(fileNameLabel);
bottomLayout->addWidget(fileNameLineEdit);
bottomLayout->addWidget(insertTextObjectButton);
textEdit = new QTextEdit;
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(textEdit);
mainLayout->addLayout(bottomLayout);
setLayout(mainLayout);
}
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