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1 /* | 1 /* |
2 * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> | 2 * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> |
3 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> | 3 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
4 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 4 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
5 * Copyright (C) 2012 University of Szeged | 5 * Copyright (C) 2012 University of Szeged |
6 * Copyright (C) 2013 Google Inc. All rights reserved. | 6 * Copyright (C) 2013 Google Inc. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
11 * version 2 of the License, or (at your option) any later version. | 11 * version 2 of the License, or (at your option) any later version. |
12 * | 12 * |
13 * This library is distributed in the hope that it will be useful, | 13 * This library is distributed in the hope that it will be useful, |
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 * Library General Public License for more details. | 16 * Library General Public License for more details. |
17 * | 17 * |
18 * You should have received a copy of the GNU Library General Public License | 18 * You should have received a copy of the GNU Library General Public License |
19 * along with this library; see the file COPYING.LIB. If not, write to | 19 * along with this library; see the file COPYING.LIB. If not, write to |
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 * Boston, MA 02110-1301, USA. | 21 * Boston, MA 02110-1301, USA. |
22 */ | 22 */ |
23 | 23 |
24 #include "platform/graphics/filters/FilterEffect.h" | 24 #include "platform/graphics/filters/FilterEffect.h" |
25 | 25 |
26 #include "platform/graphics/filters/Filter.h" | 26 #include "platform/graphics/filters/Filter.h" |
27 #include "platform/graphics/filters/SkiaImageFilterBuilder.h" | |
28 #include "third_party/skia/include/core/SkColorFilter.h" | 27 #include "third_party/skia/include/core/SkColorFilter.h" |
29 #include "third_party/skia/include/effects/SkColorFilterImageFilter.h" | 28 #include "third_party/skia/include/effects/SkColorFilterImageFilter.h" |
30 #include "third_party/skia/include/effects/SkPictureImageFilter.h" | |
31 | 29 |
32 namespace blink { | 30 namespace blink { |
33 | 31 |
34 FilterEffect::FilterEffect(Filter* filter) | 32 FilterEffect::FilterEffect(Filter* filter) |
35 : m_filter(filter) | 33 : m_filter(filter) |
36 , m_clipsToBounds(true) | 34 , m_clipsToBounds(true) |
37 , m_originTainted(false) | 35 , m_originTainted(false) |
38 , m_operatingColorSpace(ColorSpaceLinearRGB) | 36 , m_operatingColorSpace(ColorSpaceLinearRGB) |
39 { | 37 { |
40 ASSERT(m_filter); | 38 ASSERT(m_filter); |
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122 return ColorSpaceUtilities::convertColor(deviceColor, operatingColorSpace())
; | 120 return ColorSpaceUtilities::convertColor(deviceColor, operatingColorSpace())
; |
123 } | 121 } |
124 | 122 |
125 TextStream& FilterEffect::externalRepresentation(TextStream& ts, int) const | 123 TextStream& FilterEffect::externalRepresentation(TextStream& ts, int) const |
126 { | 124 { |
127 // FIXME: We should dump the subRegions of the filter primitives here later.
This isn't | 125 // FIXME: We should dump the subRegions of the filter primitives here later.
This isn't |
128 // possible at the moment, because we need more detailed informations from t
he target object. | 126 // possible at the moment, because we need more detailed informations from t
he target object. |
129 return ts; | 127 return ts; |
130 } | 128 } |
131 | 129 |
132 FloatRect FilterEffect::determineMaximumEffectRect(DetermineMaxEffectRectFlags f
lags) | 130 FloatRect FilterEffect::determineMaximumEffectRect() |
133 { | 131 { |
134 DCHECK(getFilter()); | 132 DCHECK(getFilter()); |
135 Filter* filter = getFilter(); | 133 Filter* filter = getFilter(); |
136 | 134 |
137 // Compute the union of the inputs. Always do this because it has | 135 // Compute the union of the inputs. Always do this because it has |
138 // side-effects. (It computes the maximum effect rect of the input.) | 136 // side-effects. (It computes the maximum effect rect of the input.) |
139 FloatRect absoluteInputUnion; | 137 FloatRect absoluteInputUnion; |
140 for (auto& effect : m_inputEffects) | 138 for (auto& effect : m_inputEffects) |
141 absoluteInputUnion.unite(effect->determineMaximumEffectRect(flags)); | 139 absoluteInputUnion.unite(effect->determineMaximumEffectRect()); |
142 | 140 |
143 FloatRect absoluteSubregion; | 141 FloatRect absoluteSubregion; |
144 switch (getFilterEffectType()) { | 142 switch (getFilterEffectType()) { |
145 default: | 143 default: |
146 if (m_inputEffects.size()) { | 144 if (m_inputEffects.size()) { |
147 absoluteSubregion = absoluteInputUnion; | 145 absoluteSubregion = absoluteInputUnion; |
148 if (clipsToBounds()) | 146 if (clipsToBounds()) |
149 absoluteSubregion.intersect(filter->mapLocalRectToAbsoluteRect(f
ilterPrimitiveSubregion())); | 147 absoluteSubregion.intersect(filter->mapLocalRectToAbsoluteRect(f
ilterPrimitiveSubregion())); |
150 break; | 148 break; |
151 } | 149 } |
152 // Else fall-through and use the primitive region. (FETurbulence/FEFlood
/FEImage) | 150 // Else fall-through and use the primitive region. (FETurbulence/FEFlood
/FEImage) |
153 case FilterEffectTypeTile: | 151 case FilterEffectTypeTile: |
154 absoluteSubregion = filter->mapLocalRectToAbsoluteRect(filterPrimitiveSu
bregion()); | 152 absoluteSubregion = filter->mapLocalRectToAbsoluteRect(filterPrimitiveSu
bregion()); |
155 break; | 153 break; |
156 case FilterEffectTypeSourceInput: | 154 case FilterEffectTypeSourceInput: |
157 absoluteSubregion = filter->absoluteFilterRegion(); | 155 absoluteSubregion = filter->absoluteFilterRegion(); |
158 break; | 156 break; |
159 } | 157 } |
160 | 158 |
161 if (flags & MapRectForward) | |
162 absoluteSubregion = mapRect(absoluteSubregion); | |
163 | |
164 // Clip every filter effect to the filter region. | 159 // Clip every filter effect to the filter region. |
165 if (flags & ClipToFilterRegion) | 160 absoluteSubregion.intersect(filter->absoluteFilterRegion()); |
166 absoluteSubregion.intersect(filter->absoluteFilterRegion()); | |
167 | 161 |
168 m_maxEffectRect = absoluteSubregion; | 162 m_maxEffectRect = absoluteSubregion; |
169 return absoluteSubregion; | 163 return absoluteSubregion; |
170 } | 164 } |
171 | 165 |
172 sk_sp<SkImageFilter> FilterEffect::createImageFilter() | 166 sk_sp<SkImageFilter> FilterEffect::createImageFilter() |
173 { | 167 { |
174 return nullptr; | 168 return nullptr; |
175 } | 169 } |
176 | 170 |
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221 return m_imageFilters[index].get(); | 215 return m_imageFilters[index].get(); |
222 } | 216 } |
223 | 217 |
224 void FilterEffect::setImageFilter(ColorSpace colorSpace, bool requiresPMColorVal
idation, sk_sp<SkImageFilter> imageFilter) | 218 void FilterEffect::setImageFilter(ColorSpace colorSpace, bool requiresPMColorVal
idation, sk_sp<SkImageFilter> imageFilter) |
225 { | 219 { |
226 int index = getImageFilterIndex(colorSpace, requiresPMColorValidation); | 220 int index = getImageFilterIndex(colorSpace, requiresPMColorValidation); |
227 m_imageFilters[index] = std::move(imageFilter); | 221 m_imageFilters[index] = std::move(imageFilter); |
228 } | 222 } |
229 | 223 |
230 } // namespace blink | 224 } // namespace blink |
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