1 /*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 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 #include "config.h"
22
23 #if ENABLE(SVG) && ENABLE(FILTERS)
24 #include "SVGFEComponentTransferElement.h"
25
26 #include "Attr.h"
27 #include "FilterEffect.h"
28 #include "SVGFEFuncAElement.h"
29 #include "SVGFEFuncBElement.h"
30 #include "SVGFEFuncGElement.h"
31 #include "SVGFEFuncRElement.h"
32 #include "SVGFilterBuilder.h"
33 #include "SVGNames.h"
34
35 namespace WebCore {
36
37 // Animated property declarations
DEFINE_ANIMATED_STRING(SVGFEComponentTransferElement,SVGNames::inAttr,In1,in1)38 DEFINE_ANIMATED_STRING(SVGFEComponentTransferElement, SVGNames::inAttr, In1, in1)
39
40 inline SVGFEComponentTransferElement::SVGFEComponentTransferElement(const QualifiedName& tagName, Document* document)
41 : SVGFilterPrimitiveStandardAttributes(tagName, document)
42 {
43 }
44
create(const QualifiedName & tagName,Document * document)45 PassRefPtr<SVGFEComponentTransferElement> SVGFEComponentTransferElement::create(const QualifiedName& tagName, Document* document)
46 {
47 return adoptRef(new SVGFEComponentTransferElement(tagName, document));
48 }
49
parseMappedAttribute(Attribute * attr)50 void SVGFEComponentTransferElement::parseMappedAttribute(Attribute* attr)
51 {
52 const String& value = attr->value();
53 if (attr->name() == SVGNames::inAttr)
54 setIn1BaseValue(value);
55 else
56 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
57 }
58
synchronizeProperty(const QualifiedName & attrName)59 void SVGFEComponentTransferElement::synchronizeProperty(const QualifiedName& attrName)
60 {
61 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
62
63 if (attrName == anyQName() || attrName == SVGNames::inAttr)
64 synchronizeIn1();
65 }
66
attributeToPropertyTypeMap()67 AttributeToPropertyTypeMap& SVGFEComponentTransferElement::attributeToPropertyTypeMap()
68 {
69 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
70 return s_attributeToPropertyTypeMap;
71 }
72
fillAttributeToPropertyTypeMap()73 void SVGFEComponentTransferElement::fillAttributeToPropertyTypeMap()
74 {
75 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
76
77 SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
78 attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString);
79 }
80
build(SVGFilterBuilder * filterBuilder,Filter * filter)81 PassRefPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
82 {
83 FilterEffect* input1 = filterBuilder->getEffectById(in1());
84
85 if (!input1)
86 return 0;
87
88 ComponentTransferFunction red;
89 ComponentTransferFunction green;
90 ComponentTransferFunction blue;
91 ComponentTransferFunction alpha;
92
93 for (Node* node = firstChild(); node; node = node->nextSibling()) {
94 if (node->hasTagName(SVGNames::feFuncRTag))
95 red = static_cast<SVGFEFuncRElement*>(node)->transferFunction();
96 else if (node->hasTagName(SVGNames::feFuncGTag))
97 green = static_cast<SVGFEFuncGElement*>(node)->transferFunction();
98 else if (node->hasTagName(SVGNames::feFuncBTag))
99 blue = static_cast<SVGFEFuncBElement*>(node)->transferFunction();
100 else if (node->hasTagName(SVGNames::feFuncATag))
101 alpha = static_cast<SVGFEFuncAElement*>(node)->transferFunction();
102 }
103
104 RefPtr<FilterEffect> effect = FEComponentTransfer::create(filter, red, green, blue, alpha);
105 effect->inputEffects().append(input1);
106 return effect.release();
107 }
108
109 }
110
111 #endif
112