File indexing completed on 2024-05-12 16:34:29

 /* This file is part of the KDE project
  * Copyright (c) 2010 Jan Hambrecht <jaham@gmx.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library 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
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "MorphologyEffectConfigWidget.h"
 #include "MorphologyEffect.h"
 #include "KoFilterEffect.h"
 
 #include <QSpinBox>
 #include <klocalizedstring.h>
 
 #include <QGridLayout>
 #include <QLabel>
 #include <QRadioButton>
 #include <QButtonGroup>
 
 MorphologyEffectConfigWidget::MorphologyEffectConfigWidget(QWidget *parent)
         : KoFilterEffectConfigWidgetBase(parent), m_effect(0)
 {
     QGridLayout * g = new QGridLayout(this);
 
     m_operator = new QButtonGroup(this);
     QRadioButton * erode = new QRadioButton(i18n("Erode"), this);
     QRadioButton * dilate = new QRadioButton(i18n("Dilate"), this);
     m_operator->addButton(erode, MorphologyEffect::Erode);
     m_operator->addButton(dilate, MorphologyEffect::Dilate);
     g->addWidget(new QLabel(i18n("Operator:"), this), 0, 0);
     g->addWidget(erode, 0, 1);
     g->addWidget(dilate, 0, 2);
 
     g->addWidget(new QLabel(i18n("Radius x:"), this), 1, 0);
     m_radiusX = new QDoubleSpinBox(this);
     m_radiusX->setRange(0.0, 100);
     m_radiusX->setSingleStep(0.5);
     g->addWidget(m_radiusX, 1, 1, 1, 2);
 
     g->addWidget(new QLabel(i18n("Radius y:"), this), 2, 0);
     m_radiusY = new QDoubleSpinBox(this);
     m_radiusY->setRange(0.0, 100);
     m_radiusY->setSingleStep(0.5);
     g->addWidget(m_radiusY, 2, 1, 1, 2);
 
     setLayout(g);
 
     connect(m_operator, SIGNAL(buttonClicked(int)), this, SLOT(operatorChanged(int)));
     connect(m_radiusX, SIGNAL(valueChanged(double)), this, SLOT(radiusXChanged(double)));
     connect(m_radiusY, SIGNAL(valueChanged(double)), this, SLOT(radiusYChanged(double)));
 }
 
 bool MorphologyEffectConfigWidget::editFilterEffect(KoFilterEffect * filterEffect)
 {
     m_effect = dynamic_cast<MorphologyEffect*>(filterEffect);
     if (!m_effect)
         return false;
 
     m_operator->blockSignals(true);
     m_operator->button(m_effect->morphologyOperator())->setChecked(true);
     m_operator->blockSignals(false);
     m_radiusX->blockSignals(true);
     m_radiusX->setValue(m_effect->morphologyRadius().x()*100);
     m_radiusX->blockSignals(false);
     m_radiusY->blockSignals(true);
     m_radiusY->setValue(m_effect->morphologyRadius().y()*100);
     m_radiusY->blockSignals(false);
 
     return true;
 }
 
 void MorphologyEffectConfigWidget::operatorChanged(int id)
 {
     if (!m_effect)
         return;
 
     switch(id) {
         case MorphologyEffect::Erode:
             m_effect->setMorphologyOperator(MorphologyEffect::Erode);
             break;
         case MorphologyEffect::Dilate:
             m_effect->setMorphologyOperator(MorphologyEffect::Dilate);
             break;
     }
     emit filterChanged();
 }
 
 void MorphologyEffectConfigWidget::radiusXChanged(double x)
 {
     if (!m_effect)
         return;
 
     QPointF radius = m_effect->morphologyRadius();
     if (radius.x() != x)
         m_effect->setMorphologyRadius(QPointF(x*0.01, radius.y()));
 
     emit filterChanged();
 }
 
 void MorphologyEffectConfigWidget::radiusYChanged(double y)
 {
     if (!m_effect)
         return;
 
     QPointF radius = m_effect->morphologyRadius();
     if (radius.y() != y)
         m_effect->setMorphologyRadius(QPointF(radius.x(), y*0.01));
 
     emit filterChanged();
 }