Get printer resolution

  
Foundations of Qt Development\Chapter07\printing\painter\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 <QPrinter>
#include <QPrintDialog>

#include <QPainter>

int main( int argc, char **argv )
{
  QApplication app( argc, argv );
  
  QPrinter printer;
  QPrintDialog dlg( &printer );
  if( dlg.exec() == QDialog::Accepted )
  {
    QPainter painter( &printer );
    
    painter.setPen( Qt::black );
    
    for( int page=0; page<5; page++ )
    {
      painter.drawRect( printer.pageRect() );
      painter.drawLine( printer.pageRect().topLeft(), printer.pageRect().bottomRight() );
      painter.drawLine( printer.pageRect().topRight(), printer.pageRect().bottomLeft() );
      
      QRectF textArea(
          printer.pageRect().left()  +printer.resolution() * 0.5, 
          printer.pageRect().top()   +printer.resolution() * 0.5, 
          printer.pageRect().width() -printer.resolution() * 1.0, 
          printer.pageRect().height()-printer.resolution() * 1.5 );
      
      painter.drawRect( textArea );
     
      painter.drawText( textArea, Qt::AlignTop | Qt::AlignLeft, QString( "Page %1" ).arg( page+1 ) );
        
      if( page != 4 )
        printer.newPage();
    }
  }
  
  return 0;
}
Related examples in the same category

1.	Get Page rectangle
2.	Print out Painted page
3.	Print out text document
4.	Qprinter printing
Get printer resolution : QPrinter « Qt « C++

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