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/* This file is part of the KDE project
* Copyright (C) Boudewijn Rempt <boud@valdyas.org>, (C) 2008
*
* 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_opacity_option.h"
#include <klocalizedstring.h>
#include <kis_painter.h>
#include <KoColor.h>
KisPressureOpacityOption::KisPressureOpacityOption()
: KisCurveOption("Opacity", KisPaintOpOption::GENERAL, true)
{
m_checkable = false;
}
void KisPressureOpacityOption::writeOptionSetting(KisPropertiesConfigurationSP setting) const
{
KisCurveOption::writeOptionSetting(setting);
setting->setProperty("OpacityVersion", "2");
}
void KisPressureOpacityOption::readOptionSetting(const KisPropertiesConfigurationSP setting)
{
KisCurveOption::readOptionSetting(setting);
if (setting->getString("OpacityVersion", "1") == "1") {
KisDynamicSensorSP pressureSensor = sensor(PRESSURE, true);
if (pressureSensor) {
QList<QPointF> points = pressureSensor->curve().points();
QList<QPointF> points_new;
Q_FOREACH (const QPointF & p, points) {
points_new.push_back(QPointF(p.x() * 0.5, p.y()));
}
pressureSensor->setCurve(KisCubicCurve(points_new));
}
}
}
quint8 KisPressureOpacityOption::apply(KisPainter* painter, const KisPaintInformation& info) const
{
if (!isChecked()) {
return painter->opacity();
}
quint8 origOpacity = painter->opacity();
qreal opacity = (qreal)(origOpacity * computeSizeLikeValue(info));
quint8 opacity2 = (quint8)qRound(qBound<qreal>(OPACITY_TRANSPARENT_U8, opacity, OPACITY_OPAQUE_U8));
painter->setOpacityUpdateAverage(opacity2);
return origOpacity;
}
qreal KisPressureOpacityOption::getOpacityf(const KisPaintInformation& info)
{
if (!isChecked()) return 1.0;
return computeSizeLikeValue(info);
}
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