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
|
/*
* Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com>
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.org>
* Copyright (C) 2010 Zoltan Herczeg <zherczeg@webkit.org>
* Copyright (C) 2011 University of Szeged
* Copyright (C) 2011 Renata Hodovan <reni@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``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 UNIVERSITY OF SZEGED 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.
*/
#include "third_party/blink/renderer/platform/graphics/filters/spot_light_source.h"
#include "third_party/blink/renderer/platform/text/text_stream.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
namespace blink {
bool SpotLightSource::SetPosition(const FloatPoint3D& position) {
if (position_ == position)
return false;
position_ = position;
return true;
}
bool SpotLightSource::SetPointsAt(const FloatPoint3D& direction) {
if (direction_ == direction)
return false;
direction_ = direction;
return true;
}
bool SpotLightSource::SetSpecularExponent(float specular_exponent) {
specular_exponent = clampTo(specular_exponent, 1.0f, 128.0f);
if (specular_exponent_ == specular_exponent)
return false;
specular_exponent_ = specular_exponent;
return true;
}
bool SpotLightSource::SetLimitingConeAngle(float limiting_cone_angle) {
if (limiting_cone_angle_ == limiting_cone_angle)
return false;
limiting_cone_angle_ = limiting_cone_angle;
return true;
}
TextStream& SpotLightSource::ExternalRepresentation(TextStream& ts) const {
ts << "[type=SPOT-LIGHT] ";
ts << "[position=\"" << GetPosition() << "\"]";
ts << "[direction=\"" << Direction() << "\"]";
ts << "[specularExponent=\"" << SpecularExponent() << "\"]";
ts << "[limitingConeAngle=\"" << LimitingConeAngle() << "\"]";
return ts;
}
} // namespace blink
|
