1/*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 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 "SVGComponentTransferFunctionElement.h"
24
25#include "SVGFEComponentTransferElement.h"
26#include "SVGNames.h"
27#include <wtf/IsoMallocInlines.h>
28#include <wtf/NeverDestroyed.h>
29
30namespace WebCore {
31
32WTF_MAKE_ISO_ALLOCATED_IMPL(SVGComponentTransferFunctionElement);
33
34SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document& document)
35 : SVGElement(tagName, document)
36{
37 static std::once_flag onceFlag;
38 std::call_once(onceFlag, [] {
39 PropertyRegistry::registerProperty<SVGNames::typeAttr, ComponentTransferType, &SVGComponentTransferFunctionElement::m_type>();
40 PropertyRegistry::registerProperty<SVGNames::tableValuesAttr, &SVGComponentTransferFunctionElement::m_tableValues>();
41 PropertyRegistry::registerProperty<SVGNames::slopeAttr, &SVGComponentTransferFunctionElement::m_slope>();
42 PropertyRegistry::registerProperty<SVGNames::interceptAttr, &SVGComponentTransferFunctionElement::m_intercept>();
43 PropertyRegistry::registerProperty<SVGNames::amplitudeAttr, &SVGComponentTransferFunctionElement::m_amplitude>();
44 PropertyRegistry::registerProperty<SVGNames::exponentAttr, &SVGComponentTransferFunctionElement::m_exponent>();
45 PropertyRegistry::registerProperty<SVGNames::offsetAttr, &SVGComponentTransferFunctionElement::m_offset>();
46 });
47}
48
49void SVGComponentTransferFunctionElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
50{
51 if (name == SVGNames::typeAttr) {
52 ComponentTransferType propertyValue = SVGPropertyTraits<ComponentTransferType>::fromString(value);
53 if (propertyValue > 0)
54 m_type->setBaseValInternal<ComponentTransferType>(propertyValue);
55 return;
56 }
57
58 if (name == SVGNames::tableValuesAttr) {
59 m_tableValues->baseVal()->parse(value);
60 return;
61 }
62
63 if (name == SVGNames::slopeAttr) {
64 m_slope->setBaseValInternal(value.toFloat());
65 return;
66 }
67
68 if (name == SVGNames::interceptAttr) {
69 m_intercept->setBaseValInternal(value.toFloat());
70 return;
71 }
72
73 if (name == SVGNames::amplitudeAttr) {
74 m_amplitude->setBaseValInternal(value.toFloat());
75 return;
76 }
77
78 if (name == SVGNames::exponentAttr) {
79 m_exponent->setBaseValInternal(value.toFloat());
80 return;
81 }
82
83 if (name == SVGNames::offsetAttr) {
84 m_offset->setBaseValInternal(value.toFloat());
85 return;
86 }
87
88 SVGElement::parseAttribute(name, value);
89}
90
91void SVGComponentTransferFunctionElement::svgAttributeChanged(const QualifiedName& attrName)
92{
93 if (isKnownAttribute(attrName)) {
94 InstanceInvalidationGuard guard(*this);
95 invalidateFilterPrimitiveParent(this);
96 return;
97 }
98
99 SVGElement::svgAttributeChanged(attrName);
100}
101
102ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
103{
104 return {
105 type(),
106 slope(),
107 intercept(),
108 amplitude(),
109 exponent(),
110 offset(),
111 tableValues()
112 };
113}
114
115}
116