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1 /* | 1 /* |
2 * Copyright (C) 2010 University of Szeged | 2 * Copyright (C) 2010 University of Szeged |
3 * Copyright (C) 2010 Zoltan Herczeg | 3 * Copyright (C) 2010 Zoltan Herczeg |
4 * Copyright (C) 2013 Google Inc. All rights reserved. | 4 * Copyright (C) 2013 Google Inc. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 */ | 26 */ |
27 | 27 |
28 #include "config.h" | 28 #include "config.h" |
29 #include "platform/graphics/filters/FELighting.h" | 29 #include "platform/graphics/filters/FELighting.h" |
30 | 30 |
31 #include "SkLightingImageFilter.h" | 31 #include "SkLightingImageFilter.h" |
| 32 #include "SkPoint3.h" |
32 #include "platform/graphics/filters/DistantLightSource.h" | 33 #include "platform/graphics/filters/DistantLightSource.h" |
33 #include "platform/graphics/filters/PointLightSource.h" | 34 #include "platform/graphics/filters/PointLightSource.h" |
34 #include "platform/graphics/filters/SkiaImageFilterBuilder.h" | 35 #include "platform/graphics/filters/SkiaImageFilterBuilder.h" |
35 #include "platform/graphics/filters/SpotLightSource.h" | 36 #include "platform/graphics/filters/SpotLightSource.h" |
36 | 37 |
37 namespace blink { | 38 namespace blink { |
38 | 39 |
39 FELighting::FELighting(Filter* filter, LightingType lightingType, const Color& l
ightingColor, float surfaceScale, | 40 FELighting::FELighting(Filter* filter, LightingType lightingType, const Color& l
ightingColor, float surfaceScale, |
40 float diffuseConstant, float specularConstant, float specularExponent, | 41 float diffuseConstant, float specularConstant, float specularExponent, |
41 float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> li
ghtSource) | 42 float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> li
ghtSource) |
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63 PassRefPtr<SkImageFilter> FELighting::createImageFilter(SkiaImageFilterBuilder*
builder) | 64 PassRefPtr<SkImageFilter> FELighting::createImageFilter(SkiaImageFilterBuilder*
builder) |
64 { | 65 { |
65 SkImageFilter::CropRect rect = getCropRect(builder ? builder->cropOffset() :
FloatSize()); | 66 SkImageFilter::CropRect rect = getCropRect(builder ? builder->cropOffset() :
FloatSize()); |
66 Color lightColor = adaptColorToOperatingColorSpace(m_lightingColor); | 67 Color lightColor = adaptColorToOperatingColorSpace(m_lightingColor); |
67 RefPtr<SkImageFilter> input(builder ? builder->build(inputEffect(0), operati
ngColorSpace()) : nullptr); | 68 RefPtr<SkImageFilter> input(builder ? builder->build(inputEffect(0), operati
ngColorSpace()) : nullptr); |
68 switch (m_lightSource->type()) { | 69 switch (m_lightSource->type()) { |
69 case LS_DISTANT: { | 70 case LS_DISTANT: { |
70 DistantLightSource* distantLightSource = static_cast<DistantLightSource*
>(m_lightSource.get()); | 71 DistantLightSource* distantLightSource = static_cast<DistantLightSource*
>(m_lightSource.get()); |
71 float azimuthRad = deg2rad(distantLightSource->azimuth()); | 72 float azimuthRad = deg2rad(distantLightSource->azimuth()); |
72 float elevationRad = deg2rad(distantLightSource->elevation()); | 73 float elevationRad = deg2rad(distantLightSource->elevation()); |
73 SkPoint3 direction(cosf(azimuthRad) * cosf(elevationRad), | 74 const SkPoint3 direction = SkPoint3::Make(cosf(azimuthRad) * cosf(elevat
ionRad), sinf(azimuthRad) * cosf(elevationRad), sinf(elevationRad)); |
74 sinf(azimuthRad) * cosf(elevationRad), | |
75 sinf(elevationRad)); | |
76 if (m_specularConstant > 0) | 75 if (m_specularConstant > 0) |
77 return adoptRef(SkLightingImageFilter::CreateDistantLitSpecular(dire
ction, lightColor.rgb(), m_surfaceScale, m_specularConstant, m_specularExponent,
input.get(), &rect)); | 76 return adoptRef(SkLightingImageFilter::CreateDistantLitSpecular(dire
ction, lightColor.rgb(), m_surfaceScale, m_specularConstant, m_specularExponent,
input.get(), &rect)); |
78 return adoptRef(SkLightingImageFilter::CreateDistantLitDiffuse(direction
, lightColor.rgb(), m_surfaceScale, m_diffuseConstant, input.get(), &rect)); | 77 return adoptRef(SkLightingImageFilter::CreateDistantLitDiffuse(direction
, lightColor.rgb(), m_surfaceScale, m_diffuseConstant, input.get(), &rect)); |
79 } | 78 } |
80 case LS_POINT: { | 79 case LS_POINT: { |
81 PointLightSource* pointLightSource = static_cast<PointLightSource*>(m_li
ghtSource.get()); | 80 PointLightSource* pointLightSource = static_cast<PointLightSource*>(m_li
ghtSource.get()); |
82 FloatPoint3D position = pointLightSource->position(); | 81 const FloatPoint3D position = pointLightSource->position(); |
83 SkPoint3 skPosition(position.x(), position.y(), position.z()); | 82 const SkPoint3 skPosition = SkPoint3::Make(position.x(), position.y(), p
osition.z()); |
84 if (m_specularConstant > 0) | 83 if (m_specularConstant > 0) |
85 return adoptRef(SkLightingImageFilter::CreatePointLitSpecular(skPosi
tion, lightColor.rgb(), m_surfaceScale, m_specularConstant, m_specularExponent,
input.get(), &rect)); | 84 return adoptRef(SkLightingImageFilter::CreatePointLitSpecular(skPosi
tion, lightColor.rgb(), m_surfaceScale, m_specularConstant, m_specularExponent,
input.get(), &rect)); |
86 return adoptRef(SkLightingImageFilter::CreatePointLitDiffuse(skPosition,
lightColor.rgb(), m_surfaceScale, m_diffuseConstant, input.get(), &rect)); | 85 return adoptRef(SkLightingImageFilter::CreatePointLitDiffuse(skPosition,
lightColor.rgb(), m_surfaceScale, m_diffuseConstant, input.get(), &rect)); |
87 } | 86 } |
88 case LS_SPOT: { | 87 case LS_SPOT: { |
89 SpotLightSource* spotLightSource = static_cast<SpotLightSource*>(m_light
Source.get()); | 88 SpotLightSource* spotLightSource = static_cast<SpotLightSource*>(m_light
Source.get()); |
90 SkPoint3 location(spotLightSource->position().x(), spotLightSource->posi
tion().y(), spotLightSource->position().z()); | 89 const SkPoint3 location = SkPoint3::Make(spotLightSource->position().x()
, spotLightSource->position().y(), spotLightSource->position().z()); |
91 SkPoint3 target(spotLightSource->direction().x(), spotLightSource->direc
tion().y(), spotLightSource->direction().z()); | 90 const SkPoint3 target = SkPoint3::Make(spotLightSource->direction().x(),
spotLightSource->direction().y(), spotLightSource->direction().z()); |
92 float specularExponent = spotLightSource->specularExponent(); | 91 float specularExponent = spotLightSource->specularExponent(); |
93 float limitingConeAngle = spotLightSource->limitingConeAngle(); | 92 float limitingConeAngle = spotLightSource->limitingConeAngle(); |
94 if (!limitingConeAngle || limitingConeAngle > 90 || limitingConeAngle <
-90) | 93 if (!limitingConeAngle || limitingConeAngle > 90 || limitingConeAngle <
-90) |
95 limitingConeAngle = 90; | 94 limitingConeAngle = 90; |
96 if (m_specularConstant > 0) | 95 if (m_specularConstant > 0) |
97 return adoptRef(SkLightingImageFilter::CreateSpotLitSpecular(locatio
n, target, specularExponent, limitingConeAngle, lightColor.rgb(), m_surfaceScale
, m_specularConstant, m_specularExponent, input.get(), &rect)); | 96 return adoptRef(SkLightingImageFilter::CreateSpotLitSpecular(locatio
n, target, specularExponent, limitingConeAngle, lightColor.rgb(), m_surfaceScale
, m_specularConstant, m_specularExponent, input.get(), &rect)); |
98 return adoptRef(SkLightingImageFilter::CreateSpotLitDiffuse(location, ta
rget, specularExponent, limitingConeAngle, lightColor.rgb(), m_surfaceScale, m_d
iffuseConstant, input.get(), &rect)); | 97 return adoptRef(SkLightingImageFilter::CreateSpotLitDiffuse(location, ta
rget, specularExponent, limitingConeAngle, lightColor.rgb(), m_surfaceScale, m_d
iffuseConstant, input.get(), &rect)); |
99 } | 98 } |
100 default: | 99 default: |
101 ASSERT_NOT_REACHED(); | 100 ASSERT_NOT_REACHED(); |
102 return nullptr; | 101 return nullptr; |
103 } | 102 } |
104 } | 103 } |
105 | 104 |
106 } // namespace blink | 105 } // namespace blink |
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