C++/Qt/QTextImageFormat
Add image to text format
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
- All rights reserved.
- Contact: Nokia Corporation (qt-info@nokia.com)
- This file is part of the documentation of the Qt Toolkit.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- GNU Lesser General Public License Usage
- Alternatively, this file may be used under the terms of the GNU Lesser
- General Public License version 2.1 as published by the Free Software
- Foundation and appearing in the file LICENSE.LGPL included in the
- packaging of this file. Please review the following information to
- ensure the GNU Lesser General Public License version 2.1 requirements
- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
- In addition, as a special exception, Nokia gives you certain additional
- rights. These rights are described in the Nokia Qt LGPL Exception
- version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
- GNU General Public License Usage
- Alternatively, this file may be used under the terms of the GNU
- General Public License version 3.0 as published by the Free Software
- Foundation and appearing in the file LICENSE.GPL included in the
- packaging of this file. Please review the following information to
- ensure the GNU General Public License version 3.0 requirements will be
- met: http://www.gnu.org/copyleft/gpl.html.
- If you have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- include <QtGui>
QString tr(const char *text) {
return QApplication::translate(text, text);
} int main(int argc, char *argv[]) {
QApplication app(argc, argv); QTextEdit *editor = new QTextEdit;
QTextDocument *document = new QTextDocument(editor); QTextCursor cursor(document);
QTextImageFormat imageFormat; imageFormat.setName(":/images/advert.png"); cursor.insertImage(imageFormat);
cursor.insertBlock(); cursor.insertText("Code less. Create more."); editor->setDocument(document); editor->setWindowTitle(tr("Text Document Images")); editor->resize(320, 480); editor->show(); return app.exec();
}
</source>
Using QTextImageFormat
<source lang="cpp"> /****************************************************************************
- Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
- All rights reserved.
- Contact: Nokia Corporation (qt-info@nokia.com)
- This file is part of the documentation of the Qt Toolkit.
- $QT_BEGIN_LICENSE:LGPL$
- Commercial Usage
- Licensees holding valid Qt Commercial licenses may use this file in
- accordance with the Qt Commercial License Agreement provided with the
- Software or, alternatively, in accordance with the terms contained in
- a written agreement between you and Nokia.
- GNU Lesser General Public License Usage
- Alternatively, this file may be used under the terms of the GNU Lesser
- General Public License version 2.1 as published by the Free Software
- Foundation and appearing in the file LICENSE.LGPL included in the
- packaging of this file. Please review the following information to
- ensure the GNU Lesser General Public License version 2.1 requirements
- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
- In addition, as a special exception, Nokia gives you certain additional
- rights. These rights are described in the Nokia Qt LGPL Exception
- version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
- GNU General Public License Usage
- Alternatively, this file may be used under the terms of the GNU
- General Public License version 3.0 as published by the Free Software
- Foundation and appearing in the file LICENSE.GPL included in the
- packaging of this file. Please review the following information to
- ensure the GNU General Public License version 3.0 requirements will be
- met: http://www.gnu.org/copyleft/gpl.html.
- If you have questions regarding the use of this file, please contact
- Nokia at qt-info@nokia.com.
- $QT_END_LICENSE$
-
- /
- include <QtGui>
QString tr(const char *text) {
return QApplication::translate(text, text);
} int main(int argc, char *argv[]) {
QApplication app(argc, argv); QTextEdit *editor = new QTextEdit; QTextDocument *document = new QTextDocument(editor); QTextCursor cursor(document); QTextImageFormat imageFormat; imageFormat.setName(":/images/advert.png"); cursor.insertImage(imageFormat); QTextBlock block = cursor.block(); QTextFragment fragment; QTextBlock::iterator it; for (it = block.begin(); !(it.atEnd()); ++it) { fragment = it.fragment(); if (fragment.contains(cursor.position())) break; }
if (fragment.isValid()) { QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat(); if (newImageFormat.isValid()) { newImageFormat.setName(":/images/newimage.png"); QTextCursor helper = cursor; helper.setPosition(fragment.position()); helper.setPosition(fragment.position() + fragment.length(), QTextCursor::KeepAnchor); helper.setCharFormat(newImageFormat); } }
cursor.insertBlock(); cursor.insertText("Code less. Create more."); editor->setDocument(document); editor->setWindowTitle(tr("Text Document Image Format")); editor->resize(320, 480); editor->show(); return app.exec();
}
</source>