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#if ENABLE(SVG) && ENABLE(FILTERS)
25#include "FEBlend.h"
26#include "SVGAnimatedEnumeration.h"
27#include "SVGFilterPrimitiveStandardAttributes.h"
28
29namespace WebCore {
30
31template<>
32struct SVGPropertyTraits<BlendModeType> {
33    static unsigned highestEnumValue() { return FEBLEND_MODE_LIGHTEN; }
34
35    static String toString(BlendModeType type)
36    {
37        switch (type) {
38        case FEBLEND_MODE_UNKNOWN:
39            return emptyString();
40        case FEBLEND_MODE_NORMAL:
41            return "normal";
42        case FEBLEND_MODE_MULTIPLY:
43            return "multiply";
44        case FEBLEND_MODE_SCREEN:
45            return "screen";
46        case FEBLEND_MODE_DARKEN:
47            return "darken";
48        case FEBLEND_MODE_LIGHTEN:
49            return "lighten";
50        }
51
52        ASSERT_NOT_REACHED();
53        return emptyString();
54    }
55
56    static BlendModeType fromString(const String& value)
57    {
58        if (value == "normal")
59            return FEBLEND_MODE_NORMAL;
60        if (value == "multiply")
61            return FEBLEND_MODE_MULTIPLY;
62        if (value == "screen")
63            return FEBLEND_MODE_SCREEN;
64        if (value == "darken")
65            return FEBLEND_MODE_DARKEN;
66        if (value == "lighten")
67            return FEBLEND_MODE_LIGHTEN;
68        return FEBLEND_MODE_UNKNOWN;
69    }
70};
71
72class SVGFEBlendElement FINAL : public SVGFilterPrimitiveStandardAttributes {
73public:
74    static PassRefPtr<SVGFEBlendElement> create(const QualifiedName&, Document*);
75
76private:
77    SVGFEBlendElement(const QualifiedName&, Document*);
78
79    bool isSupportedAttribute(const QualifiedName&);
80    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
81    virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName& attrName);
82    virtual void svgAttributeChanged(const QualifiedName&);
83    virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*);
84
85    BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEBlendElement)
86        DECLARE_ANIMATED_STRING(In1, in1)
87        DECLARE_ANIMATED_STRING(In2, in2)
88        DECLARE_ANIMATED_ENUMERATION(Mode, mode, BlendModeType)
89    END_DECLARE_ANIMATED_PROPERTIES
90};
91
92} // namespace WebCore
93
94#endif // ENABLE(SVG)
95#endif
96