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 "SVGFEGaussianBlurElement.h"
27
28 #include "MappedAttribute.h"
29 #include "SVGNames.h"
30 #include "SVGParserUtilities.h"
31 #include "SVGResourceFilter.h"
32
33 namespace WebCore {
34
35 char SVGStdDeviationXAttrIdentifier[] = "SVGStdDeviationXAttr";
36 char SVGStdDeviationYAttrIdentifier[] = "SVGStdDeviationYAttr";
37
SVGFEGaussianBlurElement(const QualifiedName & tagName,Document * doc)38 SVGFEGaussianBlurElement::SVGFEGaussianBlurElement(const QualifiedName& tagName, Document* doc)
39 : SVGFilterPrimitiveStandardAttributes(tagName, doc)
40 , m_in1(this, SVGNames::inAttr)
41 , m_stdDeviationX(this, SVGNames::stdDeviationAttr)
42 , m_stdDeviationY(this, SVGNames::stdDeviationAttr)
43 {
44 }
45
~SVGFEGaussianBlurElement()46 SVGFEGaussianBlurElement::~SVGFEGaussianBlurElement()
47 {
48 }
49
setStdDeviation(float,float)50 void SVGFEGaussianBlurElement::setStdDeviation(float, float)
51 {
52 // FIXME: Needs an implementation.
53 }
54
parseMappedAttribute(MappedAttribute * attr)55 void SVGFEGaussianBlurElement::parseMappedAttribute(MappedAttribute* attr)
56 {
57 const String& value = attr->value();
58 if (attr->name() == SVGNames::stdDeviationAttr) {
59 float x, y;
60 if (parseNumberOptionalNumber(value, x, y)) {
61 setStdDeviationXBaseValue(x);
62 setStdDeviationYBaseValue(y);
63 }
64 } else if (attr->name() == SVGNames::inAttr)
65 setIn1BaseValue(value);
66 else
67 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
68 }
69
build(SVGResourceFilter * filterResource)70 bool SVGFEGaussianBlurElement::build(SVGResourceFilter* filterResource)
71 {
72 FilterEffect* input1 = filterResource->builder()->getEffectById(in1());
73
74 if (!input1)
75 return false;
76
77 RefPtr<FilterEffect> effect = FEGaussianBlur::create(input1, stdDeviationX(), stdDeviationY());
78 filterResource->addFilterEffect(this, effect.release());
79
80 return true;
81 }
82
83 }
84
85 #endif // ENABLE(SVG)
86