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tdegraphics/kview/modules/scale/kview_scale.cpp

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/* This file is part of the KDE project
Copyright (C) 2002 Matthias Kretz <kretz@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* $Id$ */
#include "kview_scale.h"
#include "scaledlg.h"
#include <tqimage.h>
#include <tqvbox.h>
#include <kaction.h>
#include <klocale.h>
#include <kgenericfactory.h>
#include <kdebug.h>
#include <kimageviewer/viewer.h>
#include <kimageviewer/canvas.h>
#include <kdialogbase.h>
typedef KGenericFactory<KViewScale> KViewScaleFactory;
K_EXPORT_COMPONENT_FACTORY( kview_scale, KViewScaleFactory( "kview_scale" ) )
KViewScale::KViewScale( TQObject* parent, const char* name, const TQStringList & )
: Plugin( parent, name )
, m_pViewer( 0 )
, m_pCanvas( 0 )
{
m_pViewer = static_cast<KImageViewer::Viewer *>( parent );
if( m_pViewer )
{
kdDebug( 4630 ) << "m_pViewer->canvas() = " << m_pViewer->canvas() << endl;
m_pCanvas = m_pViewer->canvas();
(void) new KAction( i18n( "&Scale Image..." ), 0, 0,
this, TQT_SLOT( slotScaleDlg() ),
actionCollection(), "plugin_scale" );
}
else
kdWarning( 4630 ) << "no KImageViewer interface found - the scale plugin won't work" << endl;
}
KViewScale::~KViewScale()
{
}
void KViewScale::slotScaleDlg()
{
kdDebug( 4630 ) << k_funcinfo << endl;
KDialogBase dlg( m_pViewer->widget(), "KView scale dialog", true, i18n( "Scale Image" ), KDialogBase::Ok|KDialogBase::Cancel );
ScaleDlg widget( m_pCanvas->imageSize(), dlg.makeVBoxMainWidget() );
#if 0
TQVBox * layout = dlg.makeVBoxMainWidget();
TQGroupBox * pixelgroup = new TQGroupBox( i18n( "Pixel Dimensions" ), layout );
TQGridLayout * pixelgroupgrid = new TQGridLayout( pixelgroup, 1, 1, 0, KDialog::spacingHint() );
pixelgroupgrid->setSpacing( KDialog::spacingHint() );
pixelgroupgrid->setMargin( KDialog::marginHint() );
TQLabel * label;
TQSize imagesize = m_pCanvas->imageSize();
// show original width
label = new TQLabel( i18n( "Original width:" ), pixelgroup );
label->setAlignment( TQLabel::AlignRight );
pixelgroupgrid->addWidget( label, 0, 0 );
pixelgroupgrid->addWidget( new TQLabel( TQString::number( imagesize.width() ), pixelgroup ), 0, 1 );
label = new TQLabel( i18n( "Height:" ), pixelgroup );
label->setAlignment( TQLabel::AlignRight );
pixelgroupgrid->addWidget( label, 1, 0 );
pixelgroupgrid->addWidget( new TQLabel( TQString::number( imagesize.height() ), pixelgroup ), 1, 1 );
pixelgroupgrid->addRowSpacing( 2, KDialog::spacingHint() );
label = new TQLabel( i18n( "New width:" ), pixelgroup );
label->setAlignment( TQLabel::AlignRight );
pixelgroupgrid->addWidget( label, 3, 0 );
label = new TQLabel( i18n( "Height:" ), pixelgroup );
label->setAlignment( TQLabel::AlignRight );
pixelgroupgrid->addWidget( label, 4, 0 );
TQSpinBox * newwidth = new TQSpinBox( 1, 100000, 1, pixelgroup );
pixelgroupgrid->addWidget( newwidth, 3, 1 );
TQSpinBox * newheight = new TQSpinBox( 1, 100000, 1, pixelgroup );
pixelgroupgrid->addWidget( newheight, 4, 1 );
KComboBox * newsizeunit = new KComboBox( pixelgroup );
newsizeunit->insertItem( i18n( "px" ) );
newsizeunit->insertItem( i18n( "%" ) );
pixelgroupgrid->addMultiCellWidget( newsizeunit, 3, 4, 2, 2, TQt::AlignVCenter );
pixelgroupgrid->addRowSpacing( 5, KDialog::spacingHint() );
label = new TQLabel( i18n( "Ratio X:" ), pixelgroup );
label->setAlignment( TQLabel::AlignRight );
pixelgroupgrid->addWidget( label, 6, 0 );
label = new TQLabel( i18n( "Y:" ), pixelgroup );
label->setAlignment( TQLabel::AlignRight );
pixelgroupgrid->addWidget( label, 7, 0 );
TQSpinBox * ratiox = new TQSpinBox( pixelgroup );
ratiox->setValidator( new TQDoubleValidator( 0.0001, 10000, 4, ratiox ) );
pixelgroupgrid->addWidget( ratiox, 6, 1 );
TQSpinBox * ratioy = new TQSpinBox( pixelgroup );
ratioy->setValidator( new TQDoubleValidator( 0.0001, 10000, 4, ratioy ) );
pixelgroupgrid->addWidget( ratioy, 7, 1 );
pixelgroupgrid->addMultiCellWidget( new TQCheckBox( i18n( "Link" ), pixelgroup ), 6, 7, 2, 2, TQt::AlignVCenter );
TQGroupBox * printgroup = new TQGroupBox( i18n( "Print Size && Display Units" ), layout );
TQGridLayout * printgroupgrid = new TQGridLayout( printgroup, 1, 1, 0, KDialog::spacingHint() );
printgroupgrid->setSpacing( KDialog::spacingHint() );
printgroupgrid->setMargin( KDialog::marginHint() );
label = new TQLabel( i18n( "New width:" ), printgroup );
label->setAlignment( TQLabel::AlignRight );
printgroupgrid->addWidget( label, 0, 0 );
label = new TQLabel( i18n( "Height:" ), printgroup );
label->setAlignment( TQLabel::AlignRight );
printgroupgrid->addWidget( label, 1, 0 );
TQSpinBox * newwidth2 = new TQSpinBox( printgroup );
printgroupgrid->addWidget( newwidth2, 0, 1 );
TQSpinBox * newheight2 = new TQSpinBox( printgroup );
printgroupgrid->addWidget( newheight2, 1, 1 );
KComboBox * newsizeunit2 = new KComboBox( printgroup );
newsizeunit2->insertItem( i18n( "in" ) );
newsizeunit2->insertItem( i18n( "mm" ) );
printgroupgrid->addMultiCellWidget( newsizeunit2, 0, 1, 2, 2, TQt::AlignVCenter );
printgroupgrid->addRowSpacing( 2, KDialog::spacingHint() );
label = new TQLabel( i18n( "Resolution X:" ), printgroup );
label->setAlignment( TQLabel::AlignRight );
printgroupgrid->addWidget( label, 3, 0 );
label = new TQLabel( i18n( "Y:" ), printgroup );
label->setAlignment( TQLabel::AlignRight );
printgroupgrid->addWidget( label, 4, 0 );
TQSpinBox * resx = new TQSpinBox( printgroup );
printgroupgrid->addWidget( resx, 3, 1 );
TQSpinBox * resy = new TQSpinBox( printgroup );
printgroupgrid->addWidget( resy, 4, 1 );
printgroupgrid->addMultiCellWidget( new TQCheckBox( i18n( "Link" ), printgroup ), 3, 4, 2, 2, TQt::AlignVCenter );
//KComboBox * newsizeunit2 = new KComboBox( printgroup );
//newsizeunit2->insertItem( i18n( "in" ) );
//newsizeunit2->insertItem( i18n( "mm" ) );
//printgroupgrid->addMultiCellWidget( newsizeunit2, 0, 1, 2, 2, TQt::AlignVCenter );
#endif
dlg.exec();
}
void KViewScale::slotScale()
{
// retrieve current image
kdDebug( 4630 ) << "m_pCanvas = " << m_pCanvas << endl;
const TQImage * image = m_pCanvas->image();
kdDebug( 4630 ) << "image pointer retrieved" << endl;
if( image )
{
// scale
TQImage newimage = image->smoothScale( 50, 50 );
// put back (modified)
m_pCanvas->setImage( newimage );
m_pViewer->setModified( true );
}
else
kdDebug( 4630 ) << "no image to scale" << endl;
}
// vim:sw=4:ts=4:cindent
#include "kview_scale.moc"