1 /* This file is part of the KDE project
2 * Copyright (C) Boudewijn Rempt <boud@valdyas.org>, (C) 2008
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19 #include "kis_pressure_opacity_option.h"
20 #include <klocalizedstring.h>
21 #include <kis_painter.h>
22 #include <KoColor.h>
23
24
KisPressureOpacityOption()25 KisPressureOpacityOption::KisPressureOpacityOption()
26 : KisCurveOption("Opacity", KisPaintOpOption::GENERAL, true)
27 {
28 m_checkable = false;
29 }
30
31
writeOptionSetting(KisPropertiesConfigurationSP setting) const32 void KisPressureOpacityOption::writeOptionSetting(KisPropertiesConfigurationSP setting) const
33 {
34 KisCurveOption::writeOptionSetting(setting);
35 setting->setProperty("OpacityVersion", "2");
36 }
37
readOptionSetting(const KisPropertiesConfigurationSP setting)38 void KisPressureOpacityOption::readOptionSetting(const KisPropertiesConfigurationSP setting)
39 {
40 KisCurveOption::readOptionSetting(setting);
41 if (setting->getString("OpacityVersion", "1") == "1") {
42 KisDynamicSensorSP pressureSensor = sensor(PRESSURE, true);
43 if (pressureSensor) {
44 QList<QPointF> points = pressureSensor->curve().points();
45 QList<QPointF> points_new;
46 Q_FOREACH (const QPointF & p, points) {
47 points_new.push_back(QPointF(p.x() * 0.5, p.y()));
48 }
49 pressureSensor->setCurve(KisCubicCurve(points_new));
50 }
51 }
52 }
53
apply(KisPainter * painter,const KisPaintInformation & info) const54 quint8 KisPressureOpacityOption::apply(KisPainter* painter, const KisPaintInformation& info) const
55 {
56
57 if (!isChecked()) {
58 return painter->opacity();
59 }
60 quint8 origOpacity = painter->opacity();
61
62 qreal opacity = (qreal)(origOpacity * computeSizeLikeValue(info));
63 quint8 opacity2 = (quint8)qRound(qBound<qreal>(OPACITY_TRANSPARENT_U8, opacity, OPACITY_OPAQUE_U8));
64
65 painter->setOpacityUpdateAverage(opacity2);
66 return origOpacity;
67 }
68
getOpacityf(const KisPaintInformation & info)69 qreal KisPressureOpacityOption::getOpacityf(const KisPaintInformation& info)
70 {
71 if (!isChecked()) return 1.0;
72 return computeSizeLikeValue(info);
73 }
74
75