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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "core/paint/SVGFilterPainter.h" | 6 #include "core/paint/SVGFilterPainter.h" |
7 | 7 |
8 #include "core/layout/svg/LayoutSVGResourceFilter.h" | 8 #include "core/layout/svg/LayoutSVGResourceFilter.h" |
9 #include "core/layout/svg/SVGLayoutSupport.h" | 9 #include "core/layout/svg/SVGLayoutSupport.h" |
10 #include "core/paint/CompositingRecorder.h" | 10 #include "core/paint/CompositingRecorder.h" |
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115 if (filterData->m_state == FilterData::PaintingFilter) | 115 if (filterData->m_state == FilterData::PaintingFilter) |
116 filterData->m_state = FilterData::PaintingFilterCycleDetected; | 116 filterData->m_state = FilterData::PaintingFilterCycleDetected; |
117 | 117 |
118 if (filterData->m_state == FilterData::RecordingContent) | 118 if (filterData->m_state == FilterData::RecordingContent) |
119 filterData->m_state = FilterData::RecordingContentCycleDetected; | 119 filterData->m_state = FilterData::RecordingContentCycleDetected; |
120 | 120 |
121 return nullptr; | 121 return nullptr; |
122 } | 122 } |
123 | 123 |
124 OwnPtrWillBeRawPtr<FilterData> filterData = FilterData::create(); | 124 OwnPtrWillBeRawPtr<FilterData> filterData = FilterData::create(); |
125 FloatRect targetBoundingBox = object.objectBoundingBox(); | 125 FloatRect referenceBox = object.objectBoundingBox(); |
126 | 126 |
127 SVGFilterElement* filterElement = toSVGFilterElement(m_filter.element()); | 127 SVGFilterElement* filterElement = toSVGFilterElement(m_filter.element()); |
128 FloatRect filterRegion = SVGLengthContext::resolveRectangle<SVGFilterElement
>(filterElement, filterElement->filterUnits()->currentValue()->enumValue(), targ
etBoundingBox); | 128 FloatRect filterRegion = SVGLengthContext::resolveRectangle<SVGFilterElement
>(filterElement, filterElement->filterUnits()->currentValue()->enumValue(), refe
renceBox); |
129 if (filterRegion.isEmpty()) | 129 if (filterRegion.isEmpty()) |
130 return nullptr; | 130 return nullptr; |
131 | 131 |
132 // Create the SVGFilter object. | 132 // Create the SVGFilter object. |
133 bool primitiveBoundingBoxMode = filterElement->primitiveUnits()->currentValu
e()->enumValue() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX; | 133 bool primitiveBoundingBoxMode = filterElement->primitiveUnits()->currentValu
e()->enumValue() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX; |
134 Filter::UnitScaling unitScaling = primitiveBoundingBoxMode ? Filter::Boundin
gBox : Filter::UserSpace; | 134 Filter::UnitScaling unitScaling = primitiveBoundingBoxMode ? Filter::Boundin
gBox : Filter::UserSpace; |
135 filterData->filter = Filter::create(targetBoundingBox, filterRegion, 1, unit
Scaling); | 135 filterData->filter = Filter::create(referenceBox, filterRegion, 1, unitScali
ng); |
| 136 filterData->nodeMap = SVGFilterGraphNodeMap::create(); |
136 | 137 |
137 IntRect sourceRegion = enclosingIntRect(intersection(filterRegion, object.st
rokeBoundingBox())); | 138 IntRect sourceRegion = enclosingIntRect(intersection(filterRegion, object.st
rokeBoundingBox())); |
138 filterData->filter->sourceGraphic()->setSourceRect(sourceRegion); | 139 filterData->filter->sourceGraphic()->setSourceRect(sourceRegion); |
139 | 140 |
140 // Create all relevant filter primitives. | 141 // Create all relevant filter primitives. |
141 filterData->builder = m_filter.buildPrimitives(filterData->filter.get()); | 142 SVGFilterBuilder builder(filterData->filter.get(), filterData->filter->sourc
eGraphic(), filterData->nodeMap.get()); |
142 if (!filterData->builder) | 143 builder.buildGraph(*filterElement, referenceBox); |
143 return nullptr; | |
144 | 144 |
145 FilterEffect* lastEffect = filterData->filter->lastEffect(); | 145 FilterEffect* lastEffect = filterData->filter->lastEffect(); |
146 if (!lastEffect) | 146 if (!lastEffect) |
147 return nullptr; | 147 return nullptr; |
148 | 148 |
149 lastEffect->determineFilterPrimitiveSubregion(ClipToFilterRegion); | 149 lastEffect->determineFilterPrimitiveSubregion(ClipToFilterRegion); |
150 | 150 |
151 FilterData* data = filterData.get(); | 151 FilterData* data = filterData.get(); |
152 // TODO(pdr): Can this be moved out of painter? | 152 // TODO(pdr): Can this be moved out of painter? |
153 m_filter.setFilterDataForLayoutObject(const_cast<LayoutObject*>(&object), fi
lterData.release()); | 153 m_filter.setFilterDataForLayoutObject(const_cast<LayoutObject*>(&object), fi
lterData.release()); |
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178 if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, object
, DisplayItem::SVGFilter, LayoutPoint())) | 178 if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, object
, DisplayItem::SVGFilter, LayoutPoint())) |
179 return; | 179 return; |
180 | 180 |
181 // TODO(chrishtr): stop using an infinite rect, and instead bound the filter
. | 181 // TODO(chrishtr): stop using an infinite rect, and instead bound the filter
. |
182 LayoutObjectDrawingRecorder recorder(*context, object, DisplayItem::SVGFilte
r, LayoutRect::infiniteIntRect(), LayoutPoint()); | 182 LayoutObjectDrawingRecorder recorder(*context, object, DisplayItem::SVGFilte
r, LayoutRect::infiniteIntRect(), LayoutPoint()); |
183 if (filterData && filterData->m_state == FilterData::ReadyToPaint) | 183 if (filterData && filterData->m_state == FilterData::ReadyToPaint) |
184 paintFilteredContent(object, context, filterData); | 184 paintFilteredContent(object, context, filterData); |
185 } | 185 } |
186 | 186 |
187 } | 187 } |
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