1/*
2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4 * Copyright (C) 2018-2019 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#include "config.h"
23#include "SVGPolyElement.h"
24
25#include "Document.h"
26#include "RenderSVGPath.h"
27#include "RenderSVGResource.h"
28#include "SVGDocumentExtensions.h"
29#include "SVGParserUtilities.h"
30#include <wtf/IsoMallocInlines.h>
31
32namespace WebCore {
33
34WTF_MAKE_ISO_ALLOCATED_IMPL(SVGPolyElement);
35
36SVGPolyElement::SVGPolyElement(const QualifiedName& tagName, Document& document)
37 : SVGGeometryElement(tagName, document)
38 , SVGExternalResourcesRequired(this)
39{
40 static std::once_flag onceFlag;
41 std::call_once(onceFlag, [] {
42 PropertyRegistry::registerProperty<SVGNames::pointsAttr, &SVGPolyElement::m_points>();
43 });
44}
45
46void SVGPolyElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
47{
48 if (name == SVGNames::pointsAttr) {
49 if (!m_points->baseVal()->parse(value))
50 document().accessSVGExtensions().reportError("Problem parsing points=\"" + value + "\"");
51 return;
52 }
53
54 SVGGeometryElement::parseAttribute(name, value);
55 SVGExternalResourcesRequired::parseAttribute(name, value);
56}
57
58void SVGPolyElement::svgAttributeChanged(const QualifiedName& attrName)
59{
60 if (attrName == SVGNames::pointsAttr) {
61 if (auto* renderer = downcast<RenderSVGPath>(this->renderer())) {
62 InstanceInvalidationGuard guard(*this);
63 renderer->setNeedsShapeUpdate();
64 RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
65 }
66 return;
67 }
68
69 SVGGeometryElement::svgAttributeChanged(attrName);
70 SVGExternalResourcesRequired::svgAttributeChanged(attrName);
71}
72
73size_t SVGPolyElement::approximateMemoryCost() const
74{
75 size_t pointsCost = m_points->baseVal()->items().size() * sizeof(FloatPoint);
76 // We need to account for the memory which is allocated by the RenderSVGPath::m_path.
77 return sizeof(*this) + (renderer() ? pointsCost * 2 + sizeof(RenderSVGPath) : pointsCost);
78}
79
80}
81