KisMirrorOption.cpp

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/*
 *  SPDX-FileCopyrightText: 2010 Lukáš Tvrdý <lukast.dev@gmail.com>
 *  SPDX-FileCopyrightText: 2022 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#include "KisMirrorOption.h"
 
 
#include <kis_properties_configuration.h>
#include <kis_paint_information.h>
#include <KisMirrorOptionData.h>
#include <KisMirrorProperties.h>
 
#include <KisPaintOpOptionUtils.h>
namespace kpou = KisPaintOpOptionUtils;
 
 
KisMirrorOption::KisMirrorOption(const KisPropertiesConfiguration *setting)
    : KisMirrorOption(kpou::loadOptionData<KisMirrorOptionData>(setting))
{
}
 
KisMirrorOption::KisMirrorOption(const KisMirrorOptionData &data)
    : KisCurveOption(data)
    , m_enableHorizontalMirror(data.enableHorizontalMirror)
    , m_enableVerticalMirror(data.enableVerticalMirror)
{
}
 
MirrorProperties KisMirrorOption::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;
}