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) 2014 Adobe Systems Incorporated. All rights reserved.
5 * Copyright (C) 2018-2019 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#pragma once
24
25#include "GraphicsTypes.h"
26#include "SVGFilterPrimitiveStandardAttributes.h"
27
28namespace WebCore {
29
30template<>
31struct SVGPropertyTraits<BlendMode> {
32 static unsigned highestEnumValue() { return static_cast<unsigned>(BlendMode::Luminosity); }
33
34 static BlendMode fromString(const String& string)
35 {
36 BlendMode mode = BlendMode::Normal;
37 parseBlendMode(string, mode);
38 return mode;
39 }
40
41 static String toString(BlendMode type)
42 {
43 if (type < BlendMode::PlusDarker)
44 return blendModeName(type);
45
46 return emptyString();
47 }
48};
49
50class SVGFEBlendElement final : public SVGFilterPrimitiveStandardAttributes {
51 WTF_MAKE_ISO_ALLOCATED(SVGFEBlendElement);
52public:
53 static Ref<SVGFEBlendElement> create(const QualifiedName&, Document&);
54
55 String in1() const { return m_in1->currentValue(); }
56 String in2() const { return m_in2->currentValue(); }
57 BlendMode mode() const { return m_mode->currentValue<BlendMode>(); }
58
59 SVGAnimatedString& in1Animated() { return m_in1; }
60 SVGAnimatedString& in2Animated() { return m_in2; }
61 SVGAnimatedEnumeration& modeAnimated() { return m_mode; }
62
63private:
64 SVGFEBlendElement(const QualifiedName&, Document&);
65
66 using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFEBlendElement, SVGFilterPrimitiveStandardAttributes>;
67 const SVGPropertyRegistry& propertyRegistry() const final { return m_propertyRegistry; }
68
69 void parseAttribute(const QualifiedName&, const AtomicString&) override;
70 void svgAttributeChanged(const QualifiedName&) override;
71
72 RefPtr<FilterEffect> build(SVGFilterBuilder*, Filter&) const override;
73 bool setFilterEffectAttribute(FilterEffect*, const QualifiedName& attrName) override;
74
75 PropertyRegistry m_propertyRegistry { *this };
76 Ref<SVGAnimatedString> m_in1 { SVGAnimatedString::create(this) };
77 Ref<SVGAnimatedString> m_in2 { SVGAnimatedString::create(this) };
78 Ref<SVGAnimatedEnumeration> m_mode { SVGAnimatedEnumeration::create(this, BlendMode::Normal) };
79};
80
81} // namespace WebCore
82