Home

A simple JPEG 2000 Image Format example.

Introduction

This example demonstrates how to use the standard QPixmap API to load a JPEG 2000 image. Be sure to install the plugin before running this example.

 /****************************************************************************
 **
 ** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of a Qt Solutions component.
 **
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Solutions 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.
 **
 ** Please note Third Party Software included with Qt Solutions may impose
 ** additional restrictions and it is the user's responsibility to ensure
 ** that they have met the licensing requirements of the GPL, LGPL, or Qt
 ** Solutions Commercial license and the relevant license of the Third
 ** Party Software they are using.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact Nokia at [email protected].
 **
 ****************************************************************************/

 #include <QtGui/QApplication>
 #include <QtGui/QImage>
 #include <QtGui/QLabel>
 #include <QtGui/QPixmap>

 // If the plugin is built statically, uncomment the following two lines
 //#include <QtCore/QtPlugin>
 //Q_IMPORT_PLUGIN(qtjp2)

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
 /*
     The plugin must be installed in $(QTDIR)/plugins/imageformats in order for this
     example to work.
     See the QImageIO documementation for further info.
 */
     QLabel imageLabel(0);
     QPixmap pixmap;

     if(!pixmap.load(":/logo.jp2"))
         imageLabel.setText("Could not load image");
     else
         imageLabel.setPixmap(pixmap);

     imageLabel.show();
     return app.exec();
 }


Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt Solutions