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Diffstat (limited to 'doc/src/snippets/widgetprinting.cpp')
-rw-r--r-- | doc/src/snippets/widgetprinting.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/doc/src/snippets/widgetprinting.cpp b/doc/src/snippets/widgetprinting.cpp new file mode 100644 index 0000000..47839d8 --- /dev/null +++ b/doc/src/snippets/widgetprinting.cpp @@ -0,0 +1,93 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +class Window : public QWidget +{ + Q_OBJECT + +public: + Window() { + myWidget = new QPushButton("Print Me"); + connect(myWidget, SIGNAL(clicked()), this, SLOT(print())); + + QVBoxLayout *layout = new QVBoxLayout; + layout->addWidget(myWidget); + setLayout(layout); + } + +private slots: + void print() { + QPrinter printer(QPrinter::HighResolution); + + printer.setOutputFileName("test.pdf"); + +//! [0] + QPainter painter; + painter.begin(&printer); + double xscale = printer.pageRect().width()/double(myWidget->width()); + double yscale = printer.pageRect().height()/double(myWidget->height()); + double scale = qMin(xscale, yscale); + painter.translate(printer.paperRect().x() + printer.pageRect().width()/2, + printer.paperRect().y() + printer.pageRect().height()/2); + painter.scale(scale, scale); + painter.translate(-width()/2, -height()/2); + + myWidget->render(&painter); +//! [0] + } + +private: + QPushButton *myWidget; +}; + +int main(int argv, char **args) +{ + QApplication app(argv, args); + + Window window; + window.show(); + + return app.exec(); +} + +#include "main.moc" + |