1 /*
2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include "config.h"
23
24 #if ENABLE(FILTERS)
25 #include "FEDiffuseLighting.h"
26
27 #include "LightSource.h"
28 #include "RenderTreeAsText.h"
29 #include "TextStream.h"
30
31 namespace WebCore {
32
FEDiffuseLighting(Filter * filter,const Color & lightingColor,float surfaceScale,float diffuseConstant,float kernelUnitLengthX,float kernelUnitLengthY,PassRefPtr<LightSource> lightSource)33 FEDiffuseLighting::FEDiffuseLighting(Filter* filter, const Color& lightingColor, float surfaceScale,
34 float diffuseConstant, float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
35 : FELighting(filter, DiffuseLighting, lightingColor, surfaceScale, diffuseConstant, 0, 0, kernelUnitLengthX, kernelUnitLengthY, lightSource)
36 {
37 }
38
create(Filter * filter,const Color & lightingColor,float surfaceScale,float diffuseConstant,float kernelUnitLengthX,float kernelUnitLengthY,PassRefPtr<LightSource> lightSource)39 PassRefPtr<FEDiffuseLighting> FEDiffuseLighting::create(Filter* filter, const Color& lightingColor,
40 float surfaceScale, float diffuseConstant, float kernelUnitLengthX,
41 float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
42 {
43 return adoptRef(new FEDiffuseLighting(filter, lightingColor, surfaceScale, diffuseConstant, kernelUnitLengthX, kernelUnitLengthY, lightSource));
44 }
45
~FEDiffuseLighting()46 FEDiffuseLighting::~FEDiffuseLighting()
47 {
48 }
49
lightingColor() const50 Color FEDiffuseLighting::lightingColor() const
51 {
52 return m_lightingColor;
53 }
54
setLightingColor(const Color & lightingColor)55 bool FEDiffuseLighting::setLightingColor(const Color& lightingColor)
56 {
57 if (m_lightingColor == lightingColor)
58 return false;
59 m_lightingColor = lightingColor;
60 return true;
61 }
62
surfaceScale() const63 float FEDiffuseLighting::surfaceScale() const
64 {
65 return m_surfaceScale;
66 }
67
setSurfaceScale(float surfaceScale)68 bool FEDiffuseLighting::setSurfaceScale(float surfaceScale)
69 {
70 if (m_surfaceScale == surfaceScale)
71 return false;
72 m_surfaceScale = surfaceScale;
73 return true;
74 }
75
diffuseConstant() const76 float FEDiffuseLighting::diffuseConstant() const
77 {
78 return m_diffuseConstant;
79 }
80
setDiffuseConstant(float diffuseConstant)81 bool FEDiffuseLighting::setDiffuseConstant(float diffuseConstant)
82 {
83 if (m_diffuseConstant == diffuseConstant)
84 return false;
85 m_diffuseConstant = diffuseConstant;
86 return true;
87 }
88
kernelUnitLengthX() const89 float FEDiffuseLighting::kernelUnitLengthX() const
90 {
91 return m_kernelUnitLengthX;
92 }
93
setKernelUnitLengthX(float kernelUnitLengthX)94 bool FEDiffuseLighting::setKernelUnitLengthX(float kernelUnitLengthX)
95 {
96 if (m_kernelUnitLengthX == kernelUnitLengthX)
97 return false;
98 m_kernelUnitLengthX = kernelUnitLengthX;
99 return true;
100 }
101
kernelUnitLengthY() const102 float FEDiffuseLighting::kernelUnitLengthY() const
103 {
104 return m_kernelUnitLengthY;
105 }
106
setKernelUnitLengthY(float kernelUnitLengthY)107 bool FEDiffuseLighting::setKernelUnitLengthY(float kernelUnitLengthY)
108 {
109 if (m_kernelUnitLengthY == kernelUnitLengthY)
110 return false;
111 m_kernelUnitLengthY = kernelUnitLengthY;
112 return true;
113 }
114
lightSource() const115 const LightSource* FEDiffuseLighting::lightSource() const
116 {
117 return m_lightSource.get();
118 }
119
setLightSource(PassRefPtr<LightSource> lightSource)120 void FEDiffuseLighting::setLightSource(PassRefPtr<LightSource> lightSource)
121 {
122 m_lightSource = lightSource;
123 }
124
dump()125 void FEDiffuseLighting::dump()
126 {
127 }
128
externalRepresentation(TextStream & ts,int indent) const129 TextStream& FEDiffuseLighting::externalRepresentation(TextStream& ts, int indent) const
130 {
131 writeIndent(ts, indent);
132 ts << "[feDiffuseLighting";
133 FilterEffect::externalRepresentation(ts);
134 ts << " surfaceScale=\"" << m_surfaceScale << "\" "
135 << "diffuseConstant=\"" << m_diffuseConstant << "\" "
136 << "kernelUnitLength=\"" << m_kernelUnitLengthX << ", " << m_kernelUnitLengthY << "\"]\n";
137 inputEffect(0)->externalRepresentation(ts, indent + 1);
138 return ts;
139 }
140
141 } // namespace WebCore
142
143 #endif // ENABLE(FILTERS)
144