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#pragma once
23
24#include "FEComposite.h"
25#include "SVGFilterPrimitiveStandardAttributes.h"
26
27namespace WebCore {
28
29template<>
30inline unsigned SVGIDLEnumLimits<CompositeOperationType>::highestExposedEnumValue() { return FECOMPOSITE_OPERATOR_ARITHMETIC; }
31
32template<>
33struct SVGPropertyTraits<CompositeOperationType> {
34 static unsigned highestEnumValue() { return FECOMPOSITE_OPERATOR_LIGHTER; }
35
36 static String toString(CompositeOperationType type)
37 {
38 switch (type) {
39 case FECOMPOSITE_OPERATOR_UNKNOWN:
40 return emptyString();
41 case FECOMPOSITE_OPERATOR_OVER:
42 return "over"_s;
43 case FECOMPOSITE_OPERATOR_IN:
44 return "in"_s;
45 case FECOMPOSITE_OPERATOR_OUT:
46 return "out"_s;
47 case FECOMPOSITE_OPERATOR_ATOP:
48 return "atop"_s;
49 case FECOMPOSITE_OPERATOR_XOR:
50 return "xor"_s;
51 case FECOMPOSITE_OPERATOR_ARITHMETIC:
52 return "arithmetic"_s;
53 case FECOMPOSITE_OPERATOR_LIGHTER:
54 return "lighter"_s;
55 }
56
57 ASSERT_NOT_REACHED();
58 return emptyString();
59 }
60
61 static CompositeOperationType fromString(const String& value)
62 {
63 if (value == "over")
64 return FECOMPOSITE_OPERATOR_OVER;
65 if (value == "in")
66 return FECOMPOSITE_OPERATOR_IN;
67 if (value == "out")
68 return FECOMPOSITE_OPERATOR_OUT;
69 if (value == "atop")
70 return FECOMPOSITE_OPERATOR_ATOP;
71 if (value == "xor")
72 return FECOMPOSITE_OPERATOR_XOR;
73 if (value == "arithmetic")
74 return FECOMPOSITE_OPERATOR_ARITHMETIC;
75 if (value == "lighter")
76 return FECOMPOSITE_OPERATOR_LIGHTER;
77 return FECOMPOSITE_OPERATOR_UNKNOWN;
78 }
79};
80
81class SVGFECompositeElement final : public SVGFilterPrimitiveStandardAttributes {
82 WTF_MAKE_ISO_ALLOCATED(SVGFECompositeElement);
83public:
84 static Ref<SVGFECompositeElement> create(const QualifiedName&, Document&);
85
86 String in1() const { return m_in1->currentValue(); }
87 String in2() const { return m_in2->currentValue(); }
88 CompositeOperationType svgOperator() const { return m_svgOperator->currentValue<CompositeOperationType>(); }
89 float k1() const { return m_k1->currentValue(); }
90 float k2() const { return m_k2->currentValue(); }
91 float k3() const { return m_k3->currentValue(); }
92 float k4() const { return m_k4->currentValue(); }
93
94 SVGAnimatedString& in1Animated() { return m_in1; }
95 SVGAnimatedString& in2Animated() { return m_in2; }
96 SVGAnimatedEnumeration& svgOperatorAnimated() { return m_svgOperator; }
97 SVGAnimatedNumber& k1Animated() { return m_k1; }
98 SVGAnimatedNumber& k2Animated() { return m_k2; }
99 SVGAnimatedNumber& k3Animated() { return m_k3; }
100 SVGAnimatedNumber& k4Animated() { return m_k4; }
101
102private:
103 SVGFECompositeElement(const QualifiedName&, Document&);
104
105 using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFECompositeElement, SVGFilterPrimitiveStandardAttributes>;
106 const SVGPropertyRegistry& propertyRegistry() const final { return m_propertyRegistry; }
107
108 void parseAttribute(const QualifiedName&, const AtomicString&) override;
109 void svgAttributeChanged(const QualifiedName&) override;
110
111 bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&) override;
112 RefPtr<FilterEffect> build(SVGFilterBuilder*, Filter&) const override;
113
114 PropertyRegistry m_propertyRegistry { *this };
115 Ref<SVGAnimatedString> m_in1 { SVGAnimatedString::create(this) };
116 Ref<SVGAnimatedString> m_in2 { SVGAnimatedString::create(this) };
117 Ref<SVGAnimatedEnumeration> m_svgOperator { SVGAnimatedEnumeration::create(this, FECOMPOSITE_OPERATOR_OVER) };
118 Ref<SVGAnimatedNumber> m_k1 { SVGAnimatedNumber::create(this) };
119 Ref<SVGAnimatedNumber> m_k2 { SVGAnimatedNumber::create(this) };
120 Ref<SVGAnimatedNumber> m_k3 { SVGAnimatedNumber::create(this) };
121 Ref<SVGAnimatedNumber> m_k4 { SVGAnimatedNumber::create(this) };
122};
123
124} // namespace WebCore
125