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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
void myProcessing(const QString &)
{
}
int main()
{
QWidget myWidget;
{
// RECORD
//! [0]
QPicture picture;
QPainter painter;
painter.begin(&picture); // paint in picture
painter.drawEllipse(10,20, 80,70); // draw an ellipse
painter.end(); // painting done
picture.save("drawing.pic"); // save picture
//! [0]
}
{
// REPLAY
//! [1]
QPicture picture;
picture.load("drawing.pic"); // load picture
QPainter painter;
painter.begin(&myWidget); // paint in myWidget
painter.drawPicture(0, 0, picture); // draw the picture at (0,0)
painter.end(); // painting done
//! [1]
}
QPicture myPicture;
{
// FORMATS
//! [2]
QStringList list = QPicture::inputFormatList();
foreach (QString string, list)
myProcessing(string);
//! [2]
}
{
// OUTPUT
//! [3]
QStringList list = QPicture::outputFormatList();
foreach (QString string, list)
myProcessing(string);
//! [3]
}
{
// PIC READ
//! [4]
QPictureIO iio;
QPixmap pixmap;
iio.setFileName("vegeburger.pic");
if (iio.read()) { // OK
QPicture picture = iio.picture();
QPainter painter(&pixmap);
painter.drawPicture(0, 0, picture);
}
//! [4]
}
{
QPixmap pixmap;
// PIC WRITE
//! [5]
QPictureIO iio;
QPicture picture;
QPainter painter(&picture);
painter.drawPixmap(0, 0, pixmap);
iio.setPicture(picture);
iio.setFileName("vegeburger.pic");
iio.setFormat("PIC");
if (iio.write())
return true; // returned true if written successfully
//! [5]
}
}
// SVG READ
//! [6]
void readSVG(QPictureIO *picture)
{
// read the picture using the picture->ioDevice()
}
//! [6]
// SVG WRITE
//! [7]
void writeSVG(QPictureIO *picture)
{
// write the picture using the picture->ioDevice()
}
//! [7]
// USE SVG
void foo() {
//! [8]
// add the SVG picture handler
// ...
//! [8]
QPictureIO::defineIOHandler("SVG", 0, 0, readSVG, writeSVG);
// ...
}
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