/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (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 http://qt.nokia.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include 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(&myImage); // paint in myImage 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); // ... }