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
|
/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* 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 "config.h"
#include "core/svg/SVGFEMergeElement.h"
#include "core/SVGNames.h"
#include "core/dom/ElementTraversal.h"
#include "core/svg/SVGFEMergeNodeElement.h"
#include "core/svg/graphics/filters/SVGFilterBuilder.h"
#include "platform/graphics/filters/FilterEffect.h"
namespace blink {
inline SVGFEMergeElement::SVGFEMergeElement(Document& document)
: SVGFilterPrimitiveStandardAttributes(SVGNames::feMergeTag, document)
{
}
DEFINE_NODE_FACTORY(SVGFEMergeElement)
PassRefPtrWillBeRawPtr<FilterEffect> SVGFEMergeElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
{
RefPtrWillBeRawPtr<FilterEffect> effect = FEMerge::create(filter);
FilterEffectVector& mergeInputs = effect->inputEffects();
for (SVGFEMergeNodeElement* element = Traversal<SVGFEMergeNodeElement>::firstChild(*this); element; element = Traversal<SVGFEMergeNodeElement>::nextSibling(*element)) {
FilterEffect* mergeEffect = filterBuilder->getEffectById(AtomicString(element->in1()->currentValue()->value()));
if (!mergeEffect)
return nullptr;
mergeInputs.append(mergeEffect);
}
if (mergeInputs.isEmpty())
return nullptr;
return effect.release();
}
}
|
