1/*
2 * Copyright (C) 2006 Oliver Hunt <oliver@nerget.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef SVGFEDisplacementMapElement_h
21#define SVGFEDisplacementMapElement_h
22
23#if ENABLE(FILTERS)
24#include "FEDisplacementMap.h"
25#include "SVGAnimatedEnumeration.h"
26#include "SVGAnimatedNumber.h"
27#include "SVGFilterPrimitiveStandardAttributes.h"
28
29namespace WebCore {
30
31template<>
32struct SVGPropertyTraits<ChannelSelectorType> {
33    static unsigned highestEnumValue() { return CHANNEL_A; }
34
35    static String toString(ChannelSelectorType type)
36    {
37        switch (type) {
38        case CHANNEL_UNKNOWN:
39            return emptyString();
40        case CHANNEL_R:
41            return "R";
42        case CHANNEL_G:
43            return "G";
44        case CHANNEL_B:
45            return "B";
46        case CHANNEL_A:
47            return "A";
48        }
49
50        ASSERT_NOT_REACHED();
51        return emptyString();
52    }
53
54    static ChannelSelectorType fromString(const String& value)
55    {
56        if (value == "R")
57            return CHANNEL_R;
58        if (value == "G")
59            return CHANNEL_G;
60        if (value == "B")
61            return CHANNEL_B;
62        if (value == "A")
63            return CHANNEL_A;
64        return CHANNEL_UNKNOWN;
65    }
66};
67
68class SVGFEDisplacementMapElement final : public SVGFilterPrimitiveStandardAttributes {
69public:
70    static PassRefPtr<SVGFEDisplacementMapElement> create(const QualifiedName&, Document&);
71
72    static ChannelSelectorType stringToChannel(const String&);
73
74private:
75    SVGFEDisplacementMapElement(const QualifiedName& tagName, Document&);
76
77    bool isSupportedAttribute(const QualifiedName&);
78    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
79    virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName& attrName) override;
80    virtual void svgAttributeChanged(const QualifiedName&) override;
81    virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*) override;
82
83    BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEDisplacementMapElement)
84        DECLARE_ANIMATED_STRING(In1, in1)
85        DECLARE_ANIMATED_STRING(In2, in2)
86        DECLARE_ANIMATED_ENUMERATION(XChannelSelector, xChannelSelector, ChannelSelectorType)
87        DECLARE_ANIMATED_ENUMERATION(YChannelSelector, yChannelSelector, ChannelSelectorType)
88        DECLARE_ANIMATED_NUMBER(Scale, scale)
89    END_DECLARE_ANIMATED_PROPERTIES
90};
91
92} // namespace WebCore
93
94#endif // ENABLE(FILTERS)
95#endif // SVGFEDisplacementMapElement_h
96