Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 180 insertions, 0 deletions

diff --git a/kview/modules/scale/kview_scale.cpp b/kview/modules/scale/kview_scale.cpp
new file mode 100644
index 00000000..aa8dec82
--- /dev/null
+++ b/kview/modules/scale/kview_scale.cpp
@@ -0,0 +1,180 @@
+/*  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 <qimage.h>
+#include <qvbox.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( QObject* parent, const char* name, const QStringList & )
+	: 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, 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
+	QVBox * layout = dlg.makeVBoxMainWidget();
+
+	QGroupBox * pixelgroup = new QGroupBox( i18n( "Pixel Dimensions" ), layout );
+	QGridLayout * pixelgroupgrid = new QGridLayout( pixelgroup, 1, 1, 0, KDialog::spacingHint() );
+	pixelgroupgrid->setSpacing( KDialog::spacingHint() );
+	pixelgroupgrid->setMargin( KDialog::marginHint() );
+	QLabel * label;
+	QSize imagesize = m_pCanvas->imageSize();
+
+	// show original width
+	label = new QLabel( i18n( "Original width:" ), pixelgroup );
+	label->setAlignment( QLabel::AlignRight );
+	pixelgroupgrid->addWidget( label, 0, 0 );
+	pixelgroupgrid->addWidget( new QLabel( QString::number( imagesize.width() ), pixelgroup ), 0, 1 );
+	label = new QLabel( i18n( "Height:" ), pixelgroup );
+	label->setAlignment( QLabel::AlignRight );
+	pixelgroupgrid->addWidget( label, 1, 0 );
+	pixelgroupgrid->addWidget( new QLabel( QString::number( imagesize.height() ), pixelgroup ), 1, 1 );
+
+	pixelgroupgrid->addRowSpacing( 2, KDialog::spacingHint() );
+
+	label = new QLabel( i18n( "New width:" ), pixelgroup );
+	label->setAlignment( QLabel::AlignRight );
+	pixelgroupgrid->addWidget( label, 3, 0 );
+	label = new QLabel( i18n( "Height:" ), pixelgroup );
+	label->setAlignment( QLabel::AlignRight );
+	pixelgroupgrid->addWidget( label, 4, 0 );
+	QSpinBox * newwidth = new QSpinBox( 1, 100000, 1, pixelgroup );
+	pixelgroupgrid->addWidget( newwidth, 3, 1 );
+	QSpinBox * newheight = new QSpinBox( 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, Qt::AlignVCenter );
+
+	pixelgroupgrid->addRowSpacing( 5, KDialog::spacingHint() );
+
+	label = new QLabel( i18n( "Ratio X:" ), pixelgroup );
+	label->setAlignment( QLabel::AlignRight );
+	pixelgroupgrid->addWidget( label, 6, 0 );
+	label = new QLabel( i18n( "Y:" ), pixelgroup );
+	label->setAlignment( QLabel::AlignRight );
+	pixelgroupgrid->addWidget( label, 7, 0 );
+	QSpinBox * ratiox = new QSpinBox( pixelgroup );
+	ratiox->setValidator( new QDoubleValidator( 0.0001, 10000, 4, ratiox ) );
+	pixelgroupgrid->addWidget( ratiox, 6, 1 );
+	QSpinBox * ratioy = new QSpinBox( pixelgroup );
+	ratioy->setValidator( new QDoubleValidator( 0.0001, 10000, 4, ratioy ) );
+	pixelgroupgrid->addWidget( ratioy, 7, 1 );
+	pixelgroupgrid->addMultiCellWidget( new QCheckBox( i18n( "Link" ), pixelgroup ), 6, 7, 2, 2, Qt::AlignVCenter );
+
+	QGroupBox * printgroup = new QGroupBox( i18n( "Print Size && Display Units" ), layout );
+	QGridLayout * printgroupgrid = new QGridLayout( printgroup, 1, 1, 0, KDialog::spacingHint() );
+	printgroupgrid->setSpacing( KDialog::spacingHint() );
+	printgroupgrid->setMargin( KDialog::marginHint() );
+
+	label = new QLabel( i18n( "New width:" ), printgroup );
+	label->setAlignment( QLabel::AlignRight );
+	printgroupgrid->addWidget( label, 0, 0 );
+	label = new QLabel( i18n( "Height:" ), printgroup );
+	label->setAlignment( QLabel::AlignRight );
+	printgroupgrid->addWidget( label, 1, 0 );
+	QSpinBox * newwidth2 = new QSpinBox( printgroup );
+	printgroupgrid->addWidget( newwidth2, 0, 1 );
+	QSpinBox * newheight2 = new QSpinBox( 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, Qt::AlignVCenter );
+
+	printgroupgrid->addRowSpacing( 2, KDialog::spacingHint() );
+
+	label = new QLabel( i18n( "Resolution X:" ), printgroup );
+	label->setAlignment( QLabel::AlignRight );
+	printgroupgrid->addWidget( label, 3, 0 );
+	label = new QLabel( i18n( "Y:" ), printgroup );
+	label->setAlignment( QLabel::AlignRight );
+	printgroupgrid->addWidget( label, 4, 0 );
+	QSpinBox * resx = new QSpinBox( printgroup );
+	printgroupgrid->addWidget( resx, 3, 1 );
+	QSpinBox * resy = new QSpinBox( printgroup );
+	printgroupgrid->addWidget( resy, 4, 1 );
+	printgroupgrid->addMultiCellWidget( new QCheckBox( i18n( "Link" ), printgroup ), 3, 4, 2, 2, Qt::AlignVCenter );
+	//KComboBox * newsizeunit2 = new KComboBox( printgroup );
+	//newsizeunit2->insertItem( i18n( "in" ) );
+	//newsizeunit2->insertItem( i18n( "mm" ) );
+	//printgroupgrid->addMultiCellWidget( newsizeunit2, 0, 1, 2, 2, Qt::AlignVCenter );
+#endif
+
+	dlg.exec();
+}
+
+void KViewScale::slotScale()
+{
+	// retrieve current image
+	kdDebug( 4630 ) << "m_pCanvas = " <<  m_pCanvas << endl;
+	const QImage * image = m_pCanvas->image();
+	kdDebug( 4630 ) << "image pointer retrieved" << endl;
+	if( image )
+	{
+		// scale
+		QImage 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"