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/* 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();
}
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