1/*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#include "config.h"
22
23#include "core/svg/SVGComponentTransferFunctionElement.h"
24
25#include "SVGNames.h"
26#include "core/dom/Attribute.h"
27#include "core/svg/SVGElementInstance.h"
28#include "core/svg/SVGFEComponentTransferElement.h"
29#include "core/svg/SVGNumberList.h"
30
31namespace WebCore {
32
33// Animated property definitions
34DEFINE_ANIMATED_ENUMERATION(SVGComponentTransferFunctionElement, SVGNames::typeAttr, Type, type, ComponentTransferType)
35DEFINE_ANIMATED_NUMBER_LIST(SVGComponentTransferFunctionElement, SVGNames::tableValuesAttr, TableValues, tableValues)
36DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::slopeAttr, Slope, slope)
37DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::interceptAttr, Intercept, intercept)
38DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::amplitudeAttr, Amplitude, amplitude)
39DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::exponentAttr, Exponent, exponent)
40DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::offsetAttr, Offset, offset)
41
42BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGComponentTransferFunctionElement)
43    REGISTER_LOCAL_ANIMATED_PROPERTY(type)
44    REGISTER_LOCAL_ANIMATED_PROPERTY(tableValues)
45    REGISTER_LOCAL_ANIMATED_PROPERTY(slope)
46    REGISTER_LOCAL_ANIMATED_PROPERTY(intercept)
47    REGISTER_LOCAL_ANIMATED_PROPERTY(amplitude)
48    REGISTER_LOCAL_ANIMATED_PROPERTY(exponent)
49    REGISTER_LOCAL_ANIMATED_PROPERTY(offset)
50END_REGISTER_ANIMATED_PROPERTIES
51
52SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document& document)
53    : SVGElement(tagName, document)
54    , m_type(FECOMPONENTTRANSFER_TYPE_IDENTITY)
55    , m_slope(1)
56    , m_amplitude(1)
57    , m_exponent(1)
58{
59    ScriptWrappable::init(this);
60    registerAnimatedPropertiesForSVGComponentTransferFunctionElement();
61}
62
63bool SVGComponentTransferFunctionElement::isSupportedAttribute(const QualifiedName& attrName)
64{
65    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
66    if (supportedAttributes.isEmpty()) {
67        supportedAttributes.add(SVGNames::typeAttr);
68        supportedAttributes.add(SVGNames::tableValuesAttr);
69        supportedAttributes.add(SVGNames::slopeAttr);
70        supportedAttributes.add(SVGNames::interceptAttr);
71        supportedAttributes.add(SVGNames::amplitudeAttr);
72        supportedAttributes.add(SVGNames::exponentAttr);
73        supportedAttributes.add(SVGNames::offsetAttr);
74    }
75    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
76}
77
78void SVGComponentTransferFunctionElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
79{
80    if (!isSupportedAttribute(name)) {
81        SVGElement::parseAttribute(name, value);
82        return;
83    }
84
85    if (name == SVGNames::typeAttr) {
86        ComponentTransferType propertyValue = SVGPropertyTraits<ComponentTransferType>::fromString(value);
87        if (propertyValue > 0)
88            setTypeBaseValue(propertyValue);
89        return;
90    }
91
92    if (name == SVGNames::tableValuesAttr) {
93        SVGNumberList newList;
94        newList.parse(value);
95        detachAnimatedTableValuesListWrappers(newList.size());
96        setTableValuesBaseValue(newList);
97        return;
98    }
99
100    if (name == SVGNames::slopeAttr) {
101        setSlopeBaseValue(value.toFloat());
102        return;
103    }
104
105    if (name == SVGNames::interceptAttr) {
106        setInterceptBaseValue(value.toFloat());
107        return;
108    }
109
110    if (name == SVGNames::amplitudeAttr) {
111        setAmplitudeBaseValue(value.toFloat());
112        return;
113    }
114
115    if (name == SVGNames::exponentAttr) {
116        setExponentBaseValue(value.toFloat());
117        return;
118    }
119
120    if (name == SVGNames::offsetAttr) {
121        setOffsetBaseValue(value.toFloat());
122        return;
123    }
124
125    ASSERT_NOT_REACHED();
126}
127
128void SVGComponentTransferFunctionElement::svgAttributeChanged(const QualifiedName& attrName)
129{
130    if (!isSupportedAttribute(attrName)) {
131        SVGElement::svgAttributeChanged(attrName);
132        return;
133    }
134
135    SVGElementInstance::InvalidationGuard invalidationGuard(this);
136
137    invalidateFilterPrimitiveParent(this);
138}
139
140ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
141{
142    ComponentTransferFunction func;
143    func.type = typeCurrentValue();
144    func.slope = slopeCurrentValue();
145    func.intercept = interceptCurrentValue();
146    func.amplitude = amplitudeCurrentValue();
147    func.exponent = exponentCurrentValue();
148    func.offset = offsetCurrentValue();
149    func.tableValues = tableValuesCurrentValue().toFloatVector();
150    return func;
151}
152
153}
154