kis_wdg_edge_detection.cpp

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/*
 * SPDX-FileCopyrightText: 2017 Wolthera van Hövell tot Westerflier <griffinvalley@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#include "kis_wdg_edge_detection.h"
 
#include <filter/kis_filter_configuration.h>
#include <klocalizedstring.h>
#include <KisGlobalResourcesInterface.h>
 
KisWdgEdgeDetection::KisWdgEdgeDetection(QWidget *parent) :
    KisConfigWidget(parent),
    ui(new Ui_WidgetEdgeDetection)
{
    ui->setupUi(this);
 
    m_types << "prewitt"<< "sobol"<< "simple";
    m_types_translatable << i18n("Prewitt") << i18n("Sobel") << i18n("Simple");
    m_output << "pythagorean" << "xGrowth" << "xFall" << "yGrowth" << "yFall" << "radian";
    m_output_translatable << i18n("All sides")
                          << i18n("Top Edge")
                          << i18n("Bottom Edge")
                          << i18n("Right Edge")
                          << i18n("Left Edge")
                          << i18n("Direction in Radians");
 
    ui->cmbType->addItems(m_types_translatable);
    ui->cmbOutput->addItems(m_output_translatable);
 
    ui->btnAspect->setKeepAspectRatio(false);
    ui->sldHorizontalRadius->setRange(1.0, 100.0, 2);
    ui->sldHorizontalRadius->setSingleStep(0.01);
    ui->sldHorizontalRadius->setPrefix(i18n("Horizontal Radius:"));
    connect(ui->sldHorizontalRadius, SIGNAL(valueChanged(qreal)), this, SLOT(horizontalRadiusChanged(qreal)));
 
    ui->sldVerticalRadius->setRange(1.0, 100.0, 2);
    ui->sldVerticalRadius->setSingleStep(0.01);
    ui->sldVerticalRadius->setPrefix(i18n("Vertical Radius:"));
    connect(ui->sldVerticalRadius, SIGNAL(valueChanged(qreal)), this, SLOT(verticalRadiusChanged(qreal)));
 
 
    connect(ui->btnAspect, SIGNAL(keepAspectRatioChanged(bool)), this, SLOT(aspectLockChanged(bool)));
    connect(ui->cmbType, SIGNAL(currentIndexChanged(int)), this, SIGNAL(sigConfigurationItemChanged()));
    connect(ui->cmbOutput, SIGNAL(currentIndexChanged(int)), this, SIGNAL(sigConfigurationItemChanged()));
    connect(ui->sldHorizontalRadius, SIGNAL(valueChanged(qreal)), this, SIGNAL(sigConfigurationItemChanged()));
    connect(ui->sldVerticalRadius, SIGNAL(valueChanged(qreal)), this, SIGNAL(sigConfigurationItemChanged()));
    connect(ui->chkTransparent, SIGNAL(clicked()), this, SIGNAL(sigConfigurationItemChanged()));
}
 
KisWdgEdgeDetection::~KisWdgEdgeDetection()
{
    delete ui;
}
 
KisPropertiesConfigurationSP KisWdgEdgeDetection::configuration() const
{
    KisFilterConfigurationSP config = new KisFilterConfiguration("edge detection", 1, KisGlobalResourcesInterface::instance());
    config->setProperty("horizRadius", ui->sldHorizontalRadius->value());
    config->setProperty("vertRadius", ui->sldVerticalRadius->value());
    config->setProperty("type", m_types.at(ui->cmbType->currentIndex()));
    config->setProperty("output", m_output.at(ui->cmbOutput->currentIndex()));
    config->setProperty("lockAspect", ui->btnAspect->keepAspectRatio());
    config->setProperty("transparency", ui->chkTransparent->isChecked());
 
    return config;
}
 
void KisWdgEdgeDetection::setConfiguration(const KisPropertiesConfigurationSP config)
{
    ui->sldHorizontalRadius->setValue(config->getFloat("horizRadius", 1.0));
    ui->sldVerticalRadius->setValue(config->getFloat("vertRadius", 1.0));
    int index = 0;
    if (m_types.contains(config->getString("type", "prewitt"))){
        index = m_types.indexOf(config->getString("type", "prewitt"));
    }
    ui->cmbType->setCurrentIndex(index);
    index = 0;
    if (m_output.contains(config->getString("output", "pythagorean"))){
        index = m_output.indexOf(config->getString("output", "pythagorean"));
    }
    ui->cmbOutput->setCurrentIndex(index);
    ui->chkTransparent->setChecked(config->getBool("transparency", false));
    ui->btnAspect->setKeepAspectRatio(config->getBool("lockAspect", false));
 
}
 
void KisWdgEdgeDetection::horizontalRadiusChanged(qreal r)
{
    ui->sldHorizontalRadius->blockSignals(true);
    ui->sldHorizontalRadius->setValue(r);
    ui->sldHorizontalRadius->blockSignals(false);
 
    if (ui->btnAspect->keepAspectRatio()) {
        ui->sldVerticalRadius->blockSignals(true);
        ui->sldVerticalRadius->setValue(r);
        ui->sldVerticalRadius->blockSignals(false);
    }
}
 
void KisWdgEdgeDetection::verticalRadiusChanged(qreal r)
{
    ui->sldVerticalRadius->blockSignals(true);
    ui->sldVerticalRadius->setValue(r);
    ui->sldVerticalRadius->blockSignals(false);
 
    if (ui->btnAspect->keepAspectRatio()) {
        ui->sldHorizontalRadius->blockSignals(true);
        ui->sldHorizontalRadius->setValue(r);
        ui->sldHorizontalRadius->blockSignals(false);
    }
}
 
void KisWdgEdgeDetection::aspectLockChanged(bool v)
{
    if (v) {
        ui->sldVerticalRadius->setValue( ui->sldHorizontalRadius->value() );
    }
}