C++/Qt/QTextImageFormat

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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.
    • $QT_END_LICENSE$
                                                                                                                                                        • /
  1. 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.
    • $QT_END_LICENSE$
                                                                                                                                                        • /
  1. 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>