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-rw-r--r--kuickshow/src/printing.cpp338
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diff --git a/kuickshow/src/printing.cpp b/kuickshow/src/printing.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 2002 Carsten Pfeiffer <pfeiffer@kde.org>
+
+ This program 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, version 2.
+
+ This program 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; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include <qcheckbox.h>
+#include <qfont.h>
+#include <qfontmetrics.h>
+#include <qgrid.h>
+#include <qhbox.h>
+#include <qlayout.h>
+#include <qimage.h>
+#include <kimageeffect.h>
+#include <qpaintdevicemetrics.h>
+#include <qpainter.h>
+#include <qradiobutton.h>
+#include <qvbuttongroup.h>
+#include <qcolor.h>
+
+#include <kcombobox.h>
+#include <kdialog.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <kglobalsettings.h>
+#include <knuminput.h>
+#include <kprinter.h>
+#include <ktempfile.h>
+
+#include "imagewindow.h"
+#include "printing.h"
+#include "version.h"
+
+bool Printing::printImage( ImageWindow& imageWin, QWidget *parent )
+{
+ QString imageURL = imageWin.url().prettyURL();
+ KPrinter printer;
+ printer.setDocName( imageURL );
+ printer.setCreator( "KuickShow-" KUICKSHOWVERSION );
+
+ KPrinter::addDialogPage( new KuickPrintDialogPage( parent, "kuick page"));
+
+ if ( printer.setup( parent, i18n("Print %1").arg(printer.docName().section('/', -1)) ) )
+ {
+ KTempFile tmpFile( QString::null, ".png" );
+ if ( tmpFile.status() == 0 )
+ {
+ tmpFile.setAutoDelete( true );
+ if ( imageWin.saveImage( tmpFile.name(), true ) )
+ return printImageWithQt( tmpFile.name(), printer,
+ imageURL );
+ }
+
+ return false;
+ }
+
+ return true; // user aborted
+}
+
+bool Printing::printImageWithQt( const QString& filename, KPrinter& printer,
+ const QString& originalFileName )
+{
+ QImage image( filename );
+ if ( image.isNull() ) {
+ kdWarning() << "Can't load image: " << filename << " for printing.\n";
+ return false;
+ }
+
+ QPainter p;
+ p.begin( &printer );
+
+ QPaintDeviceMetrics metrics( &printer );
+ p.setFont( KGlobalSettings::generalFont() );
+ QFontMetrics fm = p.fontMetrics();
+
+ int w = metrics.width();
+ int h = metrics.height();
+
+ QString t = "true";
+ QString f = "false";
+
+ // Black & white print?
+ if ( printer.option( "app-kuickshow-blackwhite" ) != f) {
+ image = image.convertDepth( 1, Qt::MonoOnly | Qt::ThresholdDither | Qt::AvoidDither );
+ }
+
+ int filenameOffset = 0;
+ bool printFilename = printer.option( "app-kuickshow-printFilename" ) != f;
+ if ( printFilename ) {
+ filenameOffset = fm.lineSpacing() + 14;
+ h -= filenameOffset; // filename goes into one line!
+ }
+
+ //
+ // shrink image to pagesize, if necessary
+ //
+ bool shrinkToFit = (printer.option( "app-kuickshow-shrinkToFit" ) != f);
+ QSize imagesize = image.size();
+ if ( shrinkToFit && (image.width() > w || image.height() > h) ) {
+ imagesize.scale( w, h, QSize::ScaleMin );
+ }
+
+
+ //
+ // align image
+ //
+ bool ok = false;
+ int alignment = printer.option("app-kuickshow-alignment").toInt( &ok );
+ if ( !ok )
+ alignment = Qt::AlignCenter; // default
+
+ int x = 0;
+ int y = 0;
+
+ // ### need a GUI for this in KuickPrintDialogPage!
+ // x - alignment
+ if ( alignment & Qt::AlignHCenter )
+ x = (w - imagesize.width())/2;
+ else if ( alignment & Qt::AlignLeft )
+ x = 0;
+ else if ( alignment & Qt::AlignRight )
+ x = w - imagesize.width();
+
+ // y - alignment
+ if ( alignment & Qt::AlignVCenter )
+ y = (h - imagesize.height())/2;
+ else if ( alignment & Qt::AlignTop )
+ y = 0;
+ else if ( alignment & Qt::AlignBottom )
+ y = h - imagesize.height();
+
+ //
+ // perform the actual drawing
+ //
+ p.drawImage( QRect( x, y, imagesize.width(), imagesize.height()), image );
+
+ if ( printFilename )
+ {
+ QString fname = minimizeString( originalFileName, fm, w );
+ if ( !fname.isEmpty() )
+ {
+ int fw = fm.width( fname );
+ int x = (w - fw)/2;
+ int y = metrics.height() - filenameOffset/2;
+ p.drawText( x, y, fname );
+ }
+ }
+
+ p.end();
+
+ return true;
+}
+
+QString Printing::minimizeString( QString text, const QFontMetrics&
+ metrics, int maxWidth )
+{
+ if ( text.length() <= 5 )
+ return QString::null; // no sense to cut that tiny little string
+
+ bool changed = false;
+ while ( metrics.width( text ) > maxWidth )
+ {
+ int mid = text.length() / 2;
+ text.remove( mid, 2 ); // remove 2 characters in the middle
+ changed = true;
+ }
+
+ if ( changed ) // add "..." in the middle
+ {
+ int mid = text.length() / 2;
+ if ( mid <= 5 ) // sanity check
+ return QString::null;
+
+ text.replace( mid - 1, 3, "..." );
+ }
+
+ return text;
+}
+
+
+///////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////
+
+
+KuickPrintDialogPage::KuickPrintDialogPage( QWidget *parent, const char *name )
+ : KPrintDialogPage( parent, name )
+{
+ setTitle( i18n("Image Settings") );
+
+ QVBoxLayout *layout = new QVBoxLayout( this );
+ layout->setMargin( KDialog::marginHint() );
+ layout->setSpacing( KDialog::spacingHint() );
+
+ m_addFileName = new QCheckBox( i18n("Print fi&lename below image"), this);
+ m_addFileName->setChecked( true );
+ layout->addWidget( m_addFileName );
+
+ m_blackwhite = new QCheckBox ( i18n("Print image in &black and white"), this);
+ m_blackwhite->setChecked( false );
+ layout->addWidget (m_blackwhite );
+
+ QVButtonGroup *group = new QVButtonGroup( i18n("Scaling"), this );
+ group->setRadioButtonExclusive( true );
+ layout->addWidget( group );
+ // m_shrinkToFit = new QRadioButton( i18n("Shrink image to &fit, if necessary"), group );
+ m_shrinkToFit = new QCheckBox( i18n("Shrink image to &fit, if necessary"), group );
+ m_shrinkToFit->setChecked( true );
+
+ QWidget *widget = new QWidget( group );
+ QGridLayout *grid = new QGridLayout( widget, 3, 3 );
+ grid->addColSpacing( 0, 30 );
+ grid->setColStretch( 0, 0 );
+ grid->setColStretch( 1, 1 );
+ grid->setColStretch( 2, 10 );
+
+ m_scale = new QRadioButton( i18n("Print e&xact size: "), widget );
+ m_scale->setEnabled( false ); // ###
+ grid->addMultiCellWidget( m_scale, 0, 0, 0, 1 );
+ group->insert( m_scale );
+ connect( m_scale, SIGNAL( toggled( bool )), SLOT( toggleScaling( bool )));
+
+ m_units = new KComboBox( false, widget, "unit combobox" );
+ grid->addWidget( m_units, 0, 2, AlignLeft );
+ m_units->insertItem( i18n("Millimeters") );
+ m_units->insertItem( i18n("Centimeters") );
+ m_units->insertItem( i18n("Inches") );
+
+ m_width = new KIntNumInput( widget, "exact width" );
+ grid->addWidget( m_width, 1, 1 );
+ m_width->setLabel( i18n("&Width:" ) );
+ m_width->setMinValue( 1 );
+
+ m_height = new KIntNumInput( widget, "exact height" );
+ grid->addWidget( m_height, 2, 1 );
+ m_height->setLabel( i18n("&Height:" ) );
+ m_height->setMinValue( 1 );
+}
+
+KuickPrintDialogPage::~KuickPrintDialogPage()
+{
+}
+
+void KuickPrintDialogPage::getOptions( QMap<QString,QString>& opts,
+ bool /*incldef*/ )
+{
+ QString t = "true";
+ QString f = "false";
+
+// ### opts["app-kuickshow-alignment"] = ;
+ opts["app-kuickshow-printFilename"] = m_addFileName->isChecked() ? t : f;
+ opts["app-kuickshow-blackwhite"] = m_blackwhite->isChecked() ? t : f;
+ opts["app-kuickshow-shrinkToFit"] = m_shrinkToFit->isChecked() ? t : f;
+ opts["app-kuickshow-scale"] = m_scale->isChecked() ? t : f;
+ opts["app-kuickshow-scale-unit"] = m_units->currentText();
+ opts["app-kuickshow-scale-width-pixels"] = QString::number( scaleWidth() );
+ opts["app-kuickshow-scale-height-pixels"] = QString::number( scaleHeight() );
+}
+
+void KuickPrintDialogPage::setOptions( const QMap<QString,QString>& opts )
+{
+ QString t = "true";
+ QString f = "false";
+
+ m_addFileName->setChecked( opts["app-kuickshow-printFilename"] != f );
+ // This sound strange, but if I copy the code on the line above, the checkbox
+ // was always checked. And this isn't the wanted behavior. So, with this works.
+ // KPrint magic ;-)
+ m_blackwhite->setChecked ( false );
+ m_shrinkToFit->setChecked( opts["app-kuickshow-shrinkToFit"] != f );
+ m_scale->setChecked( opts["app-kuickshow-scale"] == t );
+
+ m_units->setCurrentItem( opts["app-kuickshow-scale-unit"] );
+
+ bool ok;
+ int val = opts["app-kuickshow-scale-width-pixels"].toInt( &ok );
+ if ( ok )
+ setScaleWidth( val );
+ val = opts["app-kuickshow-scale-height-pixels"].toInt( &ok );
+ if ( ok )
+ setScaleHeight( val );
+
+ if ( m_scale->isChecked() == m_shrinkToFit->isChecked() )
+ m_shrinkToFit->setChecked( !m_scale->isChecked() );
+
+ // ### re-enable when implementednn
+ toggleScaling( false && m_scale->isChecked() );
+}
+
+void KuickPrintDialogPage::toggleScaling( bool enable )
+{
+ m_width->setEnabled( enable );
+ m_height->setEnabled( enable );
+ m_units->setEnabled( enable );
+}
+
+int KuickPrintDialogPage::scaleWidth() const
+{
+ return fromUnitToPixels( m_width->value() );
+}
+
+int KuickPrintDialogPage::scaleHeight() const
+{
+ return fromUnitToPixels( m_height->value() );
+}
+
+void KuickPrintDialogPage::setScaleWidth( int pixels )
+{
+ m_width->setValue( (int) pixelsToUnit( pixels ) );
+}
+
+void KuickPrintDialogPage::setScaleHeight( int pixels )
+{
+ m_width->setValue( (int) pixelsToUnit( pixels ) );
+}
+
+int KuickPrintDialogPage::fromUnitToPixels( float /*value*/ ) const
+{
+ return 1; // ###
+}
+
+float KuickPrintDialogPage::pixelsToUnit( int /*pixels*/ ) const
+{
+ return 1.0; // ###
+}
+
+#include "printing.moc"