1 /*
2 Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005, 2006 Rob Buis <buis@kde.org>
4
5 This file is part of the KDE project
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 #include "config.h"
24
25 #if ENABLE(SVG) && ENABLE(FILTERS)
26 #include "SVGFEBlendElement.h"
27
28 #include "MappedAttribute.h"
29 #include "SVGResourceFilter.h"
30
31 namespace WebCore {
32
SVGFEBlendElement(const QualifiedName & tagName,Document * doc)33 SVGFEBlendElement::SVGFEBlendElement(const QualifiedName& tagName, Document* doc)
34 : SVGFilterPrimitiveStandardAttributes(tagName, doc)
35 , m_in1(this, SVGNames::inAttr)
36 , m_in2(this, SVGNames::in2Attr)
37 , m_mode(this, SVGNames::modeAttr, FEBLEND_MODE_NORMAL)
38 {
39 }
40
~SVGFEBlendElement()41 SVGFEBlendElement::~SVGFEBlendElement()
42 {
43 }
44
parseMappedAttribute(MappedAttribute * attr)45 void SVGFEBlendElement::parseMappedAttribute(MappedAttribute* attr)
46 {
47 const String& value = attr->value();
48 if (attr->name() == SVGNames::modeAttr) {
49 if (value == "normal")
50 setModeBaseValue(FEBLEND_MODE_NORMAL);
51 else if (value == "multiply")
52 setModeBaseValue(FEBLEND_MODE_MULTIPLY);
53 else if (value == "screen")
54 setModeBaseValue(FEBLEND_MODE_SCREEN);
55 else if (value == "darken")
56 setModeBaseValue(FEBLEND_MODE_DARKEN);
57 else if (value == "lighten")
58 setModeBaseValue(FEBLEND_MODE_LIGHTEN);
59 } else if (attr->name() == SVGNames::inAttr)
60 setIn1BaseValue(value);
61 else if (attr->name() == SVGNames::in2Attr)
62 setIn2BaseValue(value);
63 else
64 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
65 }
66
build(SVGResourceFilter * filterResource)67 bool SVGFEBlendElement::build(SVGResourceFilter* filterResource)
68 {
69 FilterEffect* input1 = filterResource->builder()->getEffectById(in1());
70 FilterEffect* input2 = filterResource->builder()->getEffectById(in2());
71
72 if (!input1 || !input2)
73 return false;
74
75 RefPtr<FilterEffect> effect = FEBlend::create(input1, input2, static_cast<BlendModeType>(mode()));
76 filterResource->addFilterEffect(this, effect.release());
77
78 return true;
79 }
80
81 }
82
83 #endif // ENABLE(SVG)
84
85 // vim:ts=4:noet
86