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1 /* | 1 /* |
2 * Copyright (C) 2013 Adobe Systems Inc. All rights reserved. | 2 * Copyright (C) 2013 Adobe Systems Inc. All rights reserved. |
3 * Copyright (C) 2013 Google Inc. All rights reserved. | 3 * Copyright (C) 2013 Google Inc. All rights reserved. |
4 * Copyright (C) 2011 Apple Inc. All rights reserved. | 4 * Copyright (C) 2011 Apple 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. |
11 * 2. Redistributions in binary form must reproduce the above copyright | 11 * 2. Redistributions in binary form must reproduce the above copyright |
12 * notice, this list of conditions and the following disclaimer in the | 12 * notice, this list of conditions and the following disclaimer in the |
13 * documentation and/or other materials provided with the distribution. | 13 * documentation and/or other materials provided with the distribution. |
14 * | 14 * |
15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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 | |
30 #include "core/layout/svg/ReferenceFilterBuilder.h" | 29 #include "core/layout/svg/ReferenceFilterBuilder.h" |
31 | 30 |
32 #include "core/css/CSSPrimitiveValue.h" | 31 #include "core/css/CSSPrimitiveValue.h" |
33 #include "core/css/CSSPrimitiveValueMappings.h" | 32 #include "core/css/CSSPrimitiveValueMappings.h" |
34 #include "core/css/StylePropertySet.h" | 33 #include "core/css/StylePropertySet.h" |
35 #include "core/dom/Element.h" | 34 #include "core/dom/Element.h" |
36 #include "core/dom/ElementTraversal.h" | 35 #include "core/dom/ElementTraversal.h" |
37 #include "core/fetch/DocumentResource.h" | 36 #include "core/fetch/DocumentResource.h" |
38 #include "core/layout/LayoutBox.h" | 37 #include "core/layout/LayoutBox.h" |
39 #include "core/layout/svg/LayoutSVGResourceFilter.h" | 38 #include "core/layout/svg/LayoutSVGResourceFilter.h" |
40 #include "core/svg/SVGDocumentExtensions.h" | 39 #include "core/svg/SVGDocumentExtensions.h" |
41 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h" | 40 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h" |
42 #include "core/svg/graphics/filters/SVGFilterBuilder.h" | 41 #include "core/svg/graphics/filters/SVGFilterBuilder.h" |
43 #include "platform/graphics/filters/ReferenceFilter.h" | 42 #include "platform/graphics/filters/Filter.h" |
44 #include "platform/graphics/filters/SourceGraphic.h" | 43 #include "platform/graphics/filters/SourceGraphic.h" |
45 | 44 |
46 namespace blink { | 45 namespace blink { |
47 | 46 |
48 HashMap<const FilterOperation*, OwnPtr<DocumentResourceReference>>* ReferenceFil
terBuilder::documentResourceReferences = nullptr; | 47 HashMap<const FilterOperation*, OwnPtr<DocumentResourceReference>>* ReferenceFil
terBuilder::documentResourceReferences = nullptr; |
49 | 48 |
50 DocumentResourceReference* ReferenceFilterBuilder::documentResourceReference(con
st FilterOperation* filterOperation) | 49 DocumentResourceReference* ReferenceFilterBuilder::documentResourceReference(con
st FilterOperation* filterOperation) |
51 { | 50 { |
52 if (!documentResourceReferences) | 51 if (!documentResourceReferences) |
53 return nullptr; | 52 return nullptr; |
(...skipping 29 matching lines...) Expand all Loading... |
83 if (cssValue && cssValue->isPrimitiveValue()) { | 82 if (cssValue && cssValue->isPrimitiveValue()) { |
84 const CSSPrimitiveValue& primitiveValue = *((CSSPrimitiveValue*)cssV
alue.get()); | 83 const CSSPrimitiveValue& primitiveValue = *((CSSPrimitiveValue*)cssV
alue.get()); |
85 return static_cast<EColorInterpolation>(primitiveValue); | 84 return static_cast<EColorInterpolation>(primitiveValue); |
86 } | 85 } |
87 } | 86 } |
88 // 'auto' is the default (per Filter Effects), but since the property is | 87 // 'auto' is the default (per Filter Effects), but since the property is |
89 // inherited, propagate the parent's value. | 88 // inherited, propagate the parent's value. |
90 return parentColorInterpolation; | 89 return parentColorInterpolation; |
91 } | 90 } |
92 | 91 |
93 PassRefPtrWillBeRawPtr<ReferenceFilter> ReferenceFilterBuilder::build(float zoom
, Element* element, FilterEffect* previousEffect, const ReferenceFilterOperation
& filterOperation) | 92 PassRefPtrWillBeRawPtr<Filter> ReferenceFilterBuilder::build(float zoom, Element
* element, FilterEffect* previousEffect, const ReferenceFilterOperation& filterO
peration) |
94 { | 93 { |
95 TreeScope* treeScope = &element->treeScope(); | 94 TreeScope* treeScope = &element->treeScope(); |
96 | 95 |
97 if (DocumentResourceReference* documentResourceRef = documentResourceReferen
ce(&filterOperation)) { | 96 if (DocumentResourceReference* documentResourceRef = documentResourceReferen
ce(&filterOperation)) { |
98 DocumentResource* cachedSVGDocument = documentResourceRef->document(); | 97 DocumentResource* cachedSVGDocument = documentResourceRef->document(); |
99 | 98 |
100 // If we have an SVG document, this is an external reference. Otherwise | 99 // If we have an SVG document, this is an external reference. Otherwise |
101 // we look up the referenced node in the current document. | 100 // we look up the referenced node in the current document. |
102 if (cachedSVGDocument) | 101 if (cachedSVGDocument) |
103 treeScope = cachedSVGDocument->document(); | 102 treeScope = cachedSVGDocument->document(); |
104 } | 103 } |
105 | 104 |
106 if (!treeScope) | 105 if (!treeScope) |
107 return nullptr; | 106 return nullptr; |
108 | 107 |
109 Element* filter = treeScope->getElementById(filterOperation.fragment()); | 108 Element* filter = treeScope->getElementById(filterOperation.fragment()); |
110 | 109 |
111 if (!filter) { | 110 if (!filter) { |
112 // Although we did not find the referenced filter, it might exist later | 111 // Although we did not find the referenced filter, it might exist later |
113 // in the document. | 112 // in the document. |
114 treeScope->document().accessSVGExtensions().addPendingResource(filterOpe
ration.fragment(), element); | 113 treeScope->document().accessSVGExtensions().addPendingResource(filterOpe
ration.fragment(), element); |
115 return nullptr; | 114 return nullptr; |
116 } | 115 } |
117 | 116 |
118 if (!isSVGFilterElement(*filter)) | 117 if (!isSVGFilterElement(*filter)) |
119 return nullptr; | 118 return nullptr; |
120 | 119 |
121 SVGFilterElement& filterElement = toSVGFilterElement(*filter); | 120 SVGFilterElement& filterElement = toSVGFilterElement(*filter); |
122 | 121 |
123 FloatRect targetBoundingBox; | 122 FloatRect referenceBox; |
124 if (element->inDocument() && element->layoutObject() && element->layoutObjec
t()->isBoxModelObject()) | 123 if (element->inDocument() && element->layoutObject() && element->layoutObjec
t()->isBoxModelObject()) |
125 targetBoundingBox = toLayoutBoxModelObject(element->layoutObject())->bor
derBoundingBox(); | 124 referenceBox = toLayoutBoxModelObject(element->layoutObject())->borderBo
undingBox(); |
126 targetBoundingBox.scale(1.0f / zoom); | 125 referenceBox.scale(1.0f / zoom); |
127 FloatRect filterRegion = SVGLengthContext::resolveRectangle<SVGFilterElement
>(&filterElement, filterElement.filterUnits()->currentValue()->enumValue(), targ
etBoundingBox); | 126 FloatRect filterRegion = SVGLengthContext::resolveRectangle<SVGFilterElement
>(&filterElement, filterElement.filterUnits()->currentValue()->enumValue(), refe
renceBox); |
128 RefPtrWillBeRawPtr<ReferenceFilter> result(ReferenceFilter::create(targetBou
ndingBox, filterRegion, zoom)); | 127 RefPtrWillBeRawPtr<Filter> result(Filter::create(referenceBox, filterRegion,
zoom)); |
129 if (!previousEffect) | 128 if (!previousEffect) |
130 previousEffect = result->sourceGraphic(); | 129 previousEffect = result->sourceGraphic(); |
131 RefPtrWillBeRawPtr<SVGFilterBuilder> builder = SVGFilterBuilder::create(prev
iousEffect); | 130 RefPtrWillBeRawPtr<SVGFilterBuilder> builder = SVGFilterBuilder::create(prev
iousEffect); |
132 | 131 |
133 EColorInterpolation filterColorInterpolation = colorInterpolationForElement(
filterElement, CI_AUTO); | 132 EColorInterpolation filterColorInterpolation = colorInterpolationForElement(
filterElement, CI_AUTO); |
134 | 133 |
135 for (SVGElement* element = Traversal<SVGElement>::firstChild(filterElement);
element; element = Traversal<SVGElement>::nextSibling(*element)) { | 134 for (SVGElement* element = Traversal<SVGElement>::firstChild(filterElement);
element; element = Traversal<SVGElement>::nextSibling(*element)) { |
136 if (!element->isFilterEffect()) | 135 if (!element->isFilterEffect()) |
137 continue; | 136 continue; |
138 | 137 |
139 SVGFilterPrimitiveStandardAttributes* effectElement = static_cast<SVGFil
terPrimitiveStandardAttributes*>(element); | 138 SVGFilterPrimitiveStandardAttributes* effectElement = static_cast<SVGFil
terPrimitiveStandardAttributes*>(element); |
140 RefPtrWillBeRawPtr<FilterEffect> effect = effectElement->build(builder.g
et(), result.get()); | 139 RefPtrWillBeRawPtr<FilterEffect> effect = effectElement->build(builder.g
et(), result.get()); |
141 if (!effect) | 140 if (!effect) |
142 continue; | 141 continue; |
143 | 142 |
144 effectElement->setStandardAttributes(effect.get()); | 143 effectElement->setStandardAttributes(effect.get()); |
145 effect->setEffectBoundaries(SVGLengthContext::resolveRectangle<SVGFilter
PrimitiveStandardAttributes>(effectElement, filterElement.primitiveUnits()->curr
entValue()->enumValue(), targetBoundingBox)); | 144 effect->setEffectBoundaries(SVGLengthContext::resolveRectangle<SVGFilter
PrimitiveStandardAttributes>(effectElement, filterElement.primitiveUnits()->curr
entValue()->enumValue(), referenceBox)); |
146 EColorInterpolation colorInterpolation = colorInterpolationForElement(*e
ffectElement, filterColorInterpolation); | 145 EColorInterpolation colorInterpolation = colorInterpolationForElement(*e
ffectElement, filterColorInterpolation); |
147 effect->setOperatingColorSpace(colorInterpolation == CI_LINEARRGB ? Colo
rSpaceLinearRGB : ColorSpaceDeviceRGB); | 146 effect->setOperatingColorSpace(colorInterpolation == CI_LINEARRGB ? Colo
rSpaceLinearRGB : ColorSpaceDeviceRGB); |
148 builder->add(AtomicString(effectElement->result()->currentValue()->value
()), effect); | 147 builder->add(AtomicString(effectElement->result()->currentValue()->value
()), effect); |
149 } | 148 } |
150 result->setLastEffect(builder->lastEffect()); | 149 result->setLastEffect(builder->lastEffect()); |
151 return result.release(); | 150 return result.release(); |
152 } | 151 } |
153 | 152 |
154 } // namespace blink | 153 } // namespace blink |
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