1 /* This file is part of the KDE project
2  * Copyright (c) 2009 Cyrille Berger <cberger@cberger.net>
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_rotation_option.h"
20 #include "kis_pressure_opacity_option.h"
21 #include "sensors/kis_dynamic_sensor_drawing_angle.h"
22 #include "sensors/kis_dynamic_sensor_fuzzy.h"
23 #include <klocalizedstring.h>
24 #include <kis_painter.h>
25 #include <brushengine/kis_paintop.h>
26 #include <KoColor.h>
27 
KisPressureRotationOption()28 KisPressureRotationOption::KisPressureRotationOption()
29         : KisCurveOption("Rotation", KisPaintOpOption::GENERAL, false)
30 {
31 }
32 
apply(const KisPaintInformation & info) const33 double KisPressureRotationOption::apply(const KisPaintInformation & info) const
34 {
35     if (!isChecked()) return kisDegreesToRadians(info.canvasRotation());
36 
37     const bool absoluteAxesFlipped = info.canvasMirroredH() != info.canvasMirroredV();
38 
39     const qreal normalizedBaseAngle = -info.canvasRotation() / 360.0;
40 
41     qreal value = computeRotationLikeValue(info, normalizedBaseAngle, absoluteAxesFlipped);
42 
43     // flip to conform global legacy code
44     value = 1.0 - value;
45 
46     return normalizeAngle(value * M_PI);
47  }
48 
readOptionSetting(const KisPropertiesConfigurationSP setting)49 void KisPressureRotationOption::readOptionSetting(const KisPropertiesConfigurationSP setting)
50 {
51     KisCurveOption::readOptionSetting(setting);
52 }
53 
applyFanCornersInfo(KisPaintOp * op)54 void KisPressureRotationOption::applyFanCornersInfo(KisPaintOp *op)
55 {
56     KisDynamicSensorDrawingAngle *sensor = dynamic_cast<KisDynamicSensorDrawingAngle*>(this->sensor(ANGLE, true).data());
57 
58     /**
59      * A special case for the Drawing Angle sensor, because it
60      * changes the behavior of KisPaintOp::paintLine()
61      */
62     if (sensor) {
63         op->setFanCornersInfo(sensor->fanCornersEnabled(), qreal(sensor->fanCornersStep()) * M_PI / 180.0);
64     }
65 }
66 
intMinValue() const67 int KisPressureRotationOption::intMinValue() const
68 {
69     return -180;
70 }
71 
intMaxValue() const72 int KisPressureRotationOption::intMaxValue() const
73 {
74     return 180;
75 }
76 
valueSuffix() const77 QString KisPressureRotationOption::valueSuffix() const
78 {
79     return i18n("°");
80 }
81