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#ifndef SVGFEBlendElement_h
22#define SVGFEBlendElement_h
23
24#include "core/svg/SVGAnimatedEnumeration.h"
25#include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
26#include "platform/graphics/filters/FEBlend.h"
27
28namespace WebCore {
29
30template<>
31struct SVGPropertyTraits<BlendModeType> {
32    static unsigned highestEnumValue() { return FEBLEND_MODE_LIGHTEN; }
33
34    static String toString(BlendModeType type)
35    {
36        switch (type) {
37        case FEBLEND_MODE_UNKNOWN:
38            return emptyString();
39        case FEBLEND_MODE_NORMAL:
40            return "normal";
41        case FEBLEND_MODE_MULTIPLY:
42            return "multiply";
43        case FEBLEND_MODE_SCREEN:
44            return "screen";
45        case FEBLEND_MODE_DARKEN:
46            return "darken";
47        case FEBLEND_MODE_LIGHTEN:
48            return "lighten";
49        }
50
51        ASSERT_NOT_REACHED();
52        return emptyString();
53    }
54
55    static BlendModeType fromString(const String& value)
56    {
57        if (value == "normal")
58            return FEBLEND_MODE_NORMAL;
59        if (value == "multiply")
60            return FEBLEND_MODE_MULTIPLY;
61        if (value == "screen")
62            return FEBLEND_MODE_SCREEN;
63        if (value == "darken")
64            return FEBLEND_MODE_DARKEN;
65        if (value == "lighten")
66            return FEBLEND_MODE_LIGHTEN;
67        return FEBLEND_MODE_UNKNOWN;
68    }
69};
70
71class SVGFEBlendElement FINAL : public SVGFilterPrimitiveStandardAttributes {
72public:
73    static PassRefPtr<SVGFEBlendElement> create(Document&);
74
75private:
76    explicit SVGFEBlendElement(Document&);
77
78    bool isSupportedAttribute(const QualifiedName&);
79    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
80    virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName& attrName);
81    virtual void svgAttributeChanged(const QualifiedName&);
82    virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*);
83
84    BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEBlendElement)
85        DECLARE_ANIMATED_STRING(In1, in1)
86        DECLARE_ANIMATED_STRING(In2, in2)
87        DECLARE_ANIMATED_ENUMERATION(Mode, mode, BlendModeType)
88    END_DECLARE_ANIMATED_PROPERTIES
89};
90
91} // namespace WebCore
92
93#endif
94