1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.org>
* Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "core/layout/svg/LayoutSVGResourceFilter.h"
#include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
namespace blink {
DEFINE_TRACE(FilterData)
{
#if ENABLE(OILPAN)
visitor->trace(filter);
visitor->trace(nodeMap);
#endif
}
void FilterData::dispose()
{
nodeMap = nullptr;
filter = nullptr;
}
LayoutSVGResourceFilter::LayoutSVGResourceFilter(SVGFilterElement* node)
: LayoutSVGResourceContainer(node)
{
}
LayoutSVGResourceFilter::~LayoutSVGResourceFilter()
{
}
void LayoutSVGResourceFilter::disposeFilterMap()
{
#if ENABLE(OILPAN)
for (auto& filter : m_filter)
filter.value->dispose();
#endif
m_filter.clear();
}
void LayoutSVGResourceFilter::willBeDestroyed()
{
disposeFilterMap();
LayoutSVGResourceContainer::willBeDestroyed();
}
bool LayoutSVGResourceFilter::isChildAllowed(LayoutObject* child, const ComputedStyle&) const
{
return child->isSVGResourceFilterPrimitive();
}
void LayoutSVGResourceFilter::removeAllClientsFromCache(bool markForInvalidation)
{
// LayoutSVGResourceFilter::removeClientFromCache will be called for
// all clients through markAllClientsForInvalidation so no explicit
// display item invalidation is needed here.
disposeFilterMap();
markAllClientsForInvalidation(markForInvalidation ? LayoutAndBoundariesInvalidation : ParentOnlyInvalidation);
}
void LayoutSVGResourceFilter::removeClientFromCache(LayoutObject* client, bool markForInvalidation)
{
ASSERT(client);
bool filterCached = m_filter.contains(client);
if (filterCached)
m_filter.remove(client);
// If the filter has a cached subtree, invalidate the associated display item.
if (markForInvalidation && filterCached)
markClientForInvalidation(client, PaintInvalidation);
markClientForInvalidation(client, markForInvalidation ? BoundariesInvalidation : ParentOnlyInvalidation);
}
FloatRect LayoutSVGResourceFilter::resourceBoundingBox(const LayoutObject* object)
{
if (SVGFilterElement* element = toSVGFilterElement(this->element()))
return SVGLengthContext::resolveRectangle<SVGFilterElement>(element, element->filterUnits()->currentValue()->enumValue(), object->objectBoundingBox());
return FloatRect();
}
void LayoutSVGResourceFilter::primitiveAttributeChanged(LayoutObject* object, const QualifiedName& attribute)
{
SVGFilterPrimitiveStandardAttributes* primitive = static_cast<SVGFilterPrimitiveStandardAttributes*>(object->node());
for (auto& filter : m_filter) {
FilterData* filterData = filter.value.get();
if (filterData->m_state != FilterData::ReadyToPaint)
continue;
SVGFilterGraphNodeMap* nodeMap = filterData->nodeMap.get();
FilterEffect* effect = nodeMap->effectByRenderer(object);
if (!effect)
continue;
// Since all effects shares the same attribute value, all
// or none of them will be changed.
if (!primitive->setFilterEffectAttribute(effect, attribute))
return;
nodeMap->invalidateDependentEffects(effect);
// Issue paint invalidations for the image on the screen.
markClientForInvalidation(filter.key, PaintInvalidation);
}
markAllResourceClientsForInvalidation();
}
} // namespace blink
|
