1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef LIGHT_H
#define LIGHT_H
#include <QtCore/qobject.h>
#include <QtCore/qscopedpointer.h>
#include <QtGui/qcolor.h>
#include <QtGui/qvector3d.h>
#include <QtGui/qvector4d.h>
class LightPrivate;
QT_BEGIN_NAMESPACE
class QMatrix4x4;
QT_END_NAMESPACE
class Light : public QObject
{
Q_OBJECT
Q_ENUMS(LightType)
Q_PROPERTY(LightType type READ type)
Q_PROPERTY(QVector3D position READ position WRITE setPosition NOTIFY positionChanged)
Q_PROPERTY(QVector3D direction READ direction WRITE setDirection NOTIFY directionChanged)
Q_PROPERTY(QColor ambientColor READ ambientColor WRITE setAmbientColor NOTIFY ambientColorChanged)
Q_PROPERTY(QColor diffuseColor READ diffuseColor WRITE setDiffuseColor NOTIFY diffuseColorChanged)
Q_PROPERTY(QColor specularColor READ specularColor WRITE setSpecularColor NOTIFY specularColorChanged)
Q_PROPERTY(QVector3D spotDirection READ spotDirection WRITE setSpotDirection NOTIFY spotDirectionChanged)
Q_PROPERTY(qreal spotExponent READ spotExponent WRITE setSpotExponent NOTIFY spotExponentChanged)
Q_PROPERTY(qreal spotAngle READ spotAngle WRITE setSpotAngle NOTIFY spotAngleChanged)
Q_PROPERTY(qreal constantAttenuation READ constantAttenuation WRITE setConstantAttenuation NOTIFY constantAttenuationChanged)
Q_PROPERTY(qreal linearAttenuation READ linearAttenuation WRITE setLinearAttenuation NOTIFY linearAttenuationChanged)
Q_PROPERTY(qreal quadraticAttenuation READ quadraticAttenuation WRITE setQuadraticAttenuation NOTIFY quadraticAttenuationChanged)
public:
enum LightType {
Directional,
Positional
};
Light(QObject *parent = 0);
~Light();
Light::LightType type() const;
QVector3D position() const;
void setPosition(const QVector3D& value);
QVector3D direction() const;
void setDirection(const QVector3D& value);
QColor ambientColor() const;
void setAmbientColor(const QColor& value);
QColor diffuseColor() const;
void setDiffuseColor(const QColor& value);
QColor specularColor() const;
void setSpecularColor(const QColor& value);
QVector3D spotDirection() const;
void setSpotDirection(const QVector3D& value);
qreal spotExponent() const;
void setSpotExponent(qreal value);
qreal spotAngle() const;
void setSpotAngle(qreal value);
qreal spotCosAngle() const;
qreal constantAttenuation() const;
void setConstantAttenuation(qreal value);
qreal linearAttenuation() const;
void setLinearAttenuation(qreal value);
qreal quadraticAttenuation() const;
void setQuadraticAttenuation(qreal value);
QVector4D eyePosition(const QMatrix4x4& transform) const;
QVector3D eyeSpotDirection(const QMatrix4x4& transform) const;
Q_SIGNALS:
void positionChanged();
void directionChanged();
void ambientColorChanged();
void diffuseColorChanged();
void specularColorChanged();
void spotDirectionChanged();
void spotExponentChanged();
void spotAngleChanged();
void constantAttenuationChanged();
void linearAttenuationChanged();
void quadraticAttenuationChanged();
void lightChanged();
private:
QScopedPointer<LightPrivate> d_ptr;
Q_DECLARE_PRIVATE(Light)
Q_DISABLE_COPY(Light)
};
#endif
|
