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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "BasePrintHelper.h"
#include <QTextStream>
#include <QButtonGroup>
#include <QTextDocument>
#include <QGroupBox>
#include <QLayout>
#include <QRadioButton>
//__________________________________________________________________________
BasePrintHelper::BasePrintHelper( QObject* parent ):
QObject( parent ),
now_( TimeStamp::now() )
{}
//__________________________________________________________________________
void BasePrintHelper::setupPage( QPrinter* printer )
{
Debug::Throw( "BasePrintHelper::setupPage.\n" );
sheetNumber_ = 0;
pageNumber_ = 0;
now_ = TimeStamp::now();
// set printer orientation
printer->setOrientation( orientation_ );
// get font
auto&& font( QTextDocument().defaultFont() );
const QFontMetrics metrics( font, printer );
auto&& leading( metrics.leading() );
auto&& printerRect( printer->pageRect() );
const int margin = 1.5*( metrics.height() + leading );
QRect fullPageRect;
qreal scale;
switch( pageMode_ )
{
default:
case PageMode::SinglePage:
{
scale = 1;
fullPageRect = QRect( QPoint(0,0), printerRect.size() );
break;
}
case PageMode::TwoPages:
{
scale = qreal( printerRect.height() - margin )/(2*printerRect.width() );
fullPageRect = QRect( 0, 0, printerRect.width(), printerRect.width()/scale );
// change orientation and define viewports
printer->setOrientation( orientation_ == QPrinter::Portrait ? QPrinter::Landscape:QPrinter::Portrait );
const QRect viewport = QRect( 0, 0, scale*printer->pageRect().width(), scale*printer->pageRect().height() );
pages_.clear();
pages_ << viewport;
pages_ << viewport.translated( scale*fullPageRect.width() + margin, 0 );
break;
}
case PageMode::FourPages:
{
scale = qreal( printerRect.width() - margin )/(2*printerRect.width() );
fullPageRect = QRect( 0, 0, printerRect.width(), qreal(printerRect.height()-margin)/(2*scale) );
// define viewports
const QRect viewport = QRect( 0, 0, scale*printer->pageRect().width(), scale*printer->pageRect().height() );
pages_.clear();
pages_ << viewport;
pages_ << viewport.translated( scale*fullPageRect.width() + margin, 0 );
pages_ << viewport.translated( 0, scale*fullPageRect.height() + margin );
pages_ << viewport.translated( scale*fullPageRect.width() + margin, scale*fullPageRect.height() + margin );
break;
}
}
// calculate header, footers and printable pageRect based on fullPageRect
const int headerHeight( ( metrics.height() + leading ) * 1.5 );
const int footerHeight( ( metrics.height() + leading ) * 1.5 );
headerRect_ = QRect( 0, 0, fullPageRect.width(), headerHeight );
footerRect_ = QRect( 0, fullPageRect.height() - footerHeight, fullPageRect.width(), footerHeight );
pageRect_ = QRect( headerRect_.bottomLeft(), footerRect_.topRight() );
pageRect_.adjust( 0, headerRect_.height()/2, 0, -footerRect_.height()/2 );
return;
}
//__________________________________________________________________________
void BasePrintHelper::_newPage( QPrinter* printer, QPainter* painter )
{
Debug::Throw( "BasePrintHelper::_newPage.\n" );
// increment printer page
switch( pageMode_ )
{
default:
case PageMode::SinglePage:
if( pageNumber_ > 0 ) printer->newPage();
sheetNumber_++;
break;
case PageMode::TwoPages:
if( pageNumber_ > 0 && pageNumber_%2 == 0 ) printer->newPage();
if( pageNumber_%2 == 0 ) sheetNumber_++;
painter->setViewport( pages_[pageNumber_%2] );
break;
case PageMode::FourPages:
if( pageNumber_ > 0 && pageNumber_%4 == 0 ) printer->newPage();
if( pageNumber_%4 == 0 ) sheetNumber_++;
painter->setViewport( pages_[pageNumber_%4] );
break;
}
// increment page number
pageNumber_++;
// setup painter
painter->save();
painter->setPen( QColor( "#888888" ) );
// header
painter->drawLine( headerRect_.bottomLeft()+QPoint(0,1), headerRect_.bottomRight()+QPoint(0,1) );
painter->drawText( headerRect_, Qt::AlignVCenter|Qt::AlignLeft, TimeStamp::now().toString( TimeStamp::Format::Date ) );
painter->drawText( headerRect_, Qt::AlignVCenter|Qt::AlignRight, QString::number( pageNumber_ ) );
if( !file_.isEmpty() )
{ painter->drawText( headerRect_, Qt::AlignCenter, file_.localName() ); }
// footer
painter->drawLine( footerRect_.topLeft()-QPoint(0,1), footerRect_.topRight()-QPoint(0,1) );
painter->drawText( footerRect_, Qt::AlignVCenter|Qt::AlignRight, QString::number( pageNumber_ ) );
if( !file_.isEmpty() )
{ painter->drawText( footerRect_, Qt::AlignVCenter|Qt::AlignLeft, file_ ); }
// restore
painter->restore();
emit pageCountChanged( sheetNumber_ );
}
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