kis_pressure_mirror_option.cpp

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/*
 *  Copyright (c) 2010 Lukáš Tvrdý <[email protected]>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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 Library 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 "kis_pressure_mirror_option.h"
 
#include <klocalizedstring.h>
 
#include <kis_paint_device.h>
#include <widgets/kis_curve_widget.h>
 
#include <KoColor.h>
 
KisPressureMirrorOption::KisPressureMirrorOption()
    : KisCurveOption("Mirror", KisPaintOpOption::GENERAL, false)
{
    m_enableHorizontalMirror = false;
    m_enableVerticalMirror = false;
}
 
void KisPressureMirrorOption::enableHorizontalMirror(bool mirror)
{
    m_enableHorizontalMirror = mirror;
}
 
void KisPressureMirrorOption::enableVerticalMirror(bool mirror)
{
    m_enableVerticalMirror = mirror;
}
 
bool KisPressureMirrorOption::isHorizontalMirrorEnabled()
{
    return m_enableHorizontalMirror;
}
 
bool KisPressureMirrorOption::isVerticalMirrorEnabled()
{
    return m_enableVerticalMirror;
}
 
void KisPressureMirrorOption::writeOptionSetting(KisPropertiesConfigurationSP setting) const
{
    KisCurveOption::writeOptionSetting(setting);
    setting->setProperty(MIRROR_HORIZONTAL_ENABLED, m_enableHorizontalMirror);
    setting->setProperty(MIRROR_VERTICAL_ENABLED, m_enableVerticalMirror);
}
 
void KisPressureMirrorOption::readOptionSetting(const KisPropertiesConfigurationSP setting)
{
    KisCurveOption::readOptionSetting(setting);
    m_enableHorizontalMirror = setting->getBool(MIRROR_HORIZONTAL_ENABLED, false);
    m_enableVerticalMirror = setting->getBool(MIRROR_VERTICAL_ENABLED, false);
}
 
MirrorProperties KisPressureMirrorOption::apply(const KisPaintInformation& info) const
{
    int mirrorXIncrement = info.canvasMirroredH();
    int mirrorYIncrement = info.canvasMirroredV();
    bool coordinateSystemFlipped = false;
 
    if (isChecked() && (m_enableHorizontalMirror || m_enableVerticalMirror)) {
 
        qreal sensorResult = computeSizeLikeValue(info);
 
        bool result = (sensorResult >= 0.5);
 
        mirrorXIncrement += result && m_enableHorizontalMirror;
        mirrorYIncrement += result && m_enableVerticalMirror;
        coordinateSystemFlipped = result &&
                                  (m_enableHorizontalMirror != m_enableVerticalMirror);
    }
 
    MirrorProperties mirrors;
 
    mirrors.verticalMirror = mirrorYIncrement % 2;
    mirrors.horizontalMirror = mirrorXIncrement % 2;
    mirrors.coordinateSystemFlipped = coordinateSystemFlipped;
 
    return mirrors;
}