C++/Qt/QPrintDialog — различия между версиями
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Текущая версия на 10:25, 25 мая 2010
Using QPrintDialog
Foundations of Qt Development\Chapter07\printing\graphicsview\main.cpp
/*
* Copyright (c) 2006-2007, Johan Thelin
*
* All rights reserved.
*
* 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 APress 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.
*
*/
#include <QApplication>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QGraphicsRectItem>
#include <QPrinter>
#include <QPrintDialog>
#include <QPainter>
int main( int argc, char **argv )
{
QApplication app( argc, argv );
QGraphicsScene scene( QRect( -50, -50, 400, 200 ) );
QGraphicsRectItem *rectItem = new QGraphicsRectItem( QRect( -25, 25, 200, 40 ), 0, &scene );
rectItem->setPen( QPen( Qt::red, 3, Qt::DashDotLine ) );
rectItem->setBrush( Qt::gray );
QGraphicsSimpleTextItem *textItem = new QGraphicsSimpleTextItem( "Foundations of Qt", 0, &scene );
textItem->setPos( 50, 0 );
QGraphicsEllipseItem *ellipseItem = new QGraphicsEllipseItem( QRect( 170, 20, 100, 75 ), 0, &scene );
ellipseItem->setPen( QPen(Qt::darkBlue) );
ellipseItem->setBrush( Qt::blue );
QGraphicsPolygonItem *polygonItem = new QGraphicsPolygonItem( QPolygonF( QVector<QPointF>() << QPointF( 10, 10 ) << QPointF( 0, 90 ) << QPointF( 40, 70 ) << QPointF( 80, 110 ) << QPointF( 70, 20 ) ), 0, &scene );
polygonItem->setPen( QPen(Qt::darkGreen) );
polygonItem->setBrush( Qt::yellow );
QPrinter printer;
QPrintDialog dlg( &printer );
if( dlg.exec() == QDialog::Accepted )
{
QPainter painter( &printer );
scene.render( &painter, printer.pageRect(), scene.sceneRect(), Qt::KeepAspectRatio );
}
return 0;
}