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tdegraphics/kooka/imgprintdialog.cpp

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/***************************************************************************
imgprintdialog.h - Kooka's Image Printing
-------------------
begin : May 2003
copyright : (C) 1999 by Klaas Freitag
email : freitag@suse.de
***************************************************************************/
/***************************************************************************
* *
* This file may be distributed and/or modified under the terms of the *
* GNU General Public License version 2 as published by the Free Software *
* Foundation and appearing in the file COPYING included in the *
* packaging of this file. *
*
* As a special exception, permission is given to link this program *
* with any version of the KADMOS ocr/icr engine of reRecognition GmbH, *
* Kreuzlingen and distribute the resulting executable without *
* including the source code for KADMOS in the source distribution. *
*
* As a special exception, permission is given to link this program *
* with any edition of TQt, and distribute the resulting executable, *
* without including the source code for TQt in the source distribution. *
* *
***************************************************************************/
#include "imgprintdialog.h"
#include <tdelocale.h>
#include <knuminput.h>
#include <kdialog.h>
#include <tqstring.h>
#include <tqmap.h>
#include <tqlayout.h>
#include <tqvbuttongroup.h>
#include <tqcheckbox.h>
#include <tqradiobutton.h>
#include "kookaimage.h"
#include <tqvgroupbox.h>
#include <tqpaintdevicemetrics.h>
#include <tqlabel.h>
#include <tqtooltip.h>
#include <kdebug.h>
#define ID_SCREEN 0
#define ID_ORIG 1
#define ID_CUSTOM 2
#define ID_FIT_PAGE 3
ImgPrintDialog::ImgPrintDialog( KookaImage *img, TQWidget *parent, const char* name )
: KPrintDialogPage( parent, name ),
m_image(img),
m_ignoreSignal(false)
{
setTitle(i18n("Image Printing"));
TQVBoxLayout *layout = new TQVBoxLayout( this );
// layout->setMargin( KDialog::marginHint() );
// layout->setSpacing( KDialog::spacingHint() );
m_scaleRadios = new TQButtonGroup( 2, TQt::Vertical, i18n("Image Print Size"), this );
m_scaleRadios->setRadioButtonExclusive(true);
connect( m_scaleRadios, TQ_SIGNAL(clicked(int)), TQ_SLOT(slScaleChanged(int)));
m_rbScreen = new TQRadioButton( i18n("Scale to same size as on screen"),
m_scaleRadios );
TQToolTip::add( m_rbScreen, i18n("Screen scaling. That prints according to the screen resolution."));
m_scaleRadios->insert( m_rbScreen, ID_SCREEN );
m_rbOrigSize = new TQRadioButton( i18n("Original size (calculate from scan resolution)"),
m_scaleRadios );
TQToolTip::add( m_rbOrigSize,
i18n("Calculates the print size from the scan resolution. Enter the scan resolution in the dialog field below." ));
m_scaleRadios->insert( m_rbOrigSize, ID_ORIG );
m_rbScale = new TQRadioButton( i18n("Scale image to custom dimension"), m_scaleRadios );
TQToolTip::add( m_rbScale,
i18n("Set the print size yourself in the dialog below. The image is centered on the paper."));
m_scaleRadios->insert( m_rbScale, ID_CUSTOM );
m_rbFitPage = new TQRadioButton( i18n("Scale image to fit to page"), m_scaleRadios );
TQToolTip::add( m_rbFitPage, i18n("Printout uses maximum space on the selected pager. Aspect ratio is maintained."));
m_scaleRadios->insert( m_rbFitPage, ID_FIT_PAGE );
layout->addWidget( m_scaleRadios );
TQHBoxLayout *hbox = new TQHBoxLayout( this );
layout->addLayout( hbox );
/** Box for Image Resolutions **/
TQVGroupBox *group1 = new TQVGroupBox( i18n("Resolutions"), this );
hbox->addWidget( group1 );
/* Postscript generation resolution */
m_psDraft = new TQCheckBox( i18n("Generate low resolution PostScript (fast draft print)"),
group1, "cbPostScriptRes" );
m_psDraft->setChecked( false );
/* Scan resolution of the image */
m_dpi = new KIntNumInput( group1 );
m_dpi->setLabel( i18n("Scan resolution (dpi) " ), AlignVCenter );
m_dpi->setValue( 300 );
m_dpi->setSuffix( i18n(" dpi"));
/* Label for displaying the screen Resolution */
m_screenRes = new TQLabel( group1 );
/** Box for Image Print Size **/
TQVGroupBox *group = new TQVGroupBox( i18n("Image Print Size"), this );
hbox->addWidget( group );
m_sizeW = new KIntNumInput( group );
m_sizeW->setLabel( i18n("Image width:"), AlignVCenter );
m_sizeW->setSuffix( i18n(" mm"));
connect( m_sizeW, TQ_SIGNAL(valueChanged(int)), TQ_SLOT(slCustomWidthChanged(int)));
m_sizeH = new KIntNumInput( m_sizeW, AlignVCenter, group );
m_sizeH->setLabel( i18n("Image height:"), AlignVCenter);
m_sizeH->setSuffix( i18n(" mm"));
connect( m_sizeH, TQ_SIGNAL(valueChanged(int)), TQ_SLOT(slCustomHeightChanged(int)));
m_ratio = new TQCheckBox( i18n("Maintain aspect ratio"), group, "cbAspectRatio" );
m_ratio->setChecked(true);
TQWidget *spaceEater = new TQWidget( this );
spaceEater->setSizePolicy( TQSizePolicy( TQSizePolicy::Ignored, TQSizePolicy::Ignored ));
layout->addWidget( spaceEater );
/* Set start values */
m_rbScreen->setChecked(true);
slScaleChanged( ID_SCREEN );
}
void ImgPrintDialog::setImage( KookaImage *img )
{
if( ! img ) return;
// TODO: get scan resolution out of the image
}
void ImgPrintDialog::setOptions(const TQMap<TQString,TQString>& opts)
{
// m_autofit->setChecked(opts["app-img-autofit"] == "1");
TQString scale = opts[OPT_SCALING];
kdDebug(28000) << "In setOption" << endl;
if( scale == "scan" )
m_rbOrigSize->setChecked(true);
else if( scale == "custom" )
m_rbScale->setChecked(true);
else
m_rbScreen->setChecked(true);
int help = opts[OPT_SCAN_RES].toInt();
m_dpi->setValue( help );
help = opts[OPT_WIDTH].toInt();
m_sizeW->setValue( help );
help = opts[OPT_HEIGHT].toInt();
m_sizeH->setValue( help );
help = opts[OPT_SCREEN_RES].toInt();
m_screenRes->setText(i18n( "Screen resolution: %1 dpi").arg(help));
help = opts[OPT_PSGEN_DRAFT].toInt();
m_psDraft->setChecked( help == 1 );
help = opts[OPT_RATIO].toInt();
m_ratio->setChecked( help == 1 );
}
void ImgPrintDialog::getOptions(TQMap<TQString,TQString>& opts, bool )
{
// TODO: Check for meaning of include_def !
// kdDebug(28000) << "In getOption with include_def: " << include_def << endl;
TQString scale = "screen";
if( m_rbOrigSize->isChecked() )
scale = "scan";
else if( m_rbScale->isChecked() )
scale = "custom";
else if( m_rbFitPage->isChecked() )
scale = "fitpage";
opts[OPT_SCALING] = scale;
opts[OPT_SCAN_RES] = TQString::number( m_dpi->value() );
opts[OPT_WIDTH] = TQString::number( m_sizeW->value() );
opts[OPT_HEIGHT] = TQString::number( m_sizeH->value() );
opts[OPT_PSGEN_DRAFT] = TQString::number( m_psDraft->isChecked() );
opts[OPT_RATIO] = TQString::number( m_ratio->isChecked() );
{
TQPaintDeviceMetrics metric( this );
opts[OPT_SCREEN_RES] = TQString::number( metric.logicalDpiX());
}
}
bool ImgPrintDialog::isValid(TQString& msg)
{
/* check if scan reso is higher than 0 in case its needed */
int id = m_scaleRadios->id( m_scaleRadios->selected());
if( id == ID_ORIG && m_dpi->value() == 0 )
{
msg = i18n("Please specify a scan resolution larger than 0");
return false;
}
else if( id == ID_CUSTOM && (m_sizeW->value() == 0 || m_sizeH->value() == 0 ) )
{
msg = i18n("For custom printing, a valid size should be specified.\n"
"At least one dimension is zero.");
}
return true;
}
void ImgPrintDialog::slScaleChanged( int id )
{
if( id == ID_SCREEN )
{
/* disalbe size, scan res. */
m_dpi->setEnabled(false);
m_ratio->setEnabled(false);
m_sizeW->setEnabled(false);
m_sizeH->setEnabled(false);
}
else if( id == ID_ORIG )
{
/* disable size */
m_dpi->setEnabled(true);
m_ratio->setEnabled(false);
m_sizeW->setEnabled(false);
m_sizeH->setEnabled(false);
}
else if( id == ID_CUSTOM )
{
m_dpi->setEnabled(false);
m_ratio->setEnabled(true);
m_sizeW->setEnabled(true);
m_sizeH->setEnabled(true);
}
else if( id == ID_FIT_PAGE )
{
m_dpi->setEnabled(false);
m_ratio->setEnabled(true);
m_sizeW->setEnabled(false);
m_sizeH->setEnabled(false);
}
}
void ImgPrintDialog::slCustomWidthChanged( int val )
{
if( m_ignoreSignal )
{
m_ignoreSignal = false;
return;
}
/* go out here if scaling is not custom */
if( m_scaleRadios->id( m_scaleRadios->selected()) != ID_CUSTOM ) return;
/* go out here if maintain aspect ration is off */
if( ! m_ratio->isChecked() ) return;
m_ignoreSignal = true;
kdDebug(28000) << "Setting value to horizontal size" << endl;
m_sizeH->setValue( int( double(val) *
double(m_image->height())/double(m_image->width()) ) );
}
void ImgPrintDialog::slCustomHeightChanged( int val )
{
if( m_ignoreSignal )
{
m_ignoreSignal = false;
return;
}
/* go out here if scaling is not custom */
if( m_scaleRadios->id( m_scaleRadios->selected()) != ID_CUSTOM ) return;
/* go out here if maintain aspect ration is off */
if( ! m_ratio->isChecked() ) return;
m_ignoreSignal = true;
kdDebug(28000) << "Setting value to vertical size" << endl;
m_sizeW->setValue( int( double(val) *
double(m_image->width())/double(m_image->height()) ) );
}
#include "imgprintdialog.moc"
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