1 /*
2 Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005 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)
26 #include "TransformationMatrix.h"
27 #include "SVGTransform.h"
28 #include "SVGSVGElement.h"
29 #include "SVGTransformList.h"
30
31 using namespace WebCore;
32
SVGTransformList(const QualifiedName & attributeName)33 SVGTransformList::SVGTransformList(const QualifiedName& attributeName)
34 : SVGPODList<SVGTransform>(attributeName)
35 {
36 }
37
~SVGTransformList()38 SVGTransformList::~SVGTransformList()
39 {
40 }
41
createSVGTransformFromMatrix(const TransformationMatrix & matrix) const42 SVGTransform SVGTransformList::createSVGTransformFromMatrix(const TransformationMatrix& matrix) const
43 {
44 return SVGSVGElement::createSVGTransformFromMatrix(matrix);
45 }
46
consolidate()47 SVGTransform SVGTransformList::consolidate()
48 {
49 ExceptionCode ec = 0;
50 return initialize(concatenate(), ec);
51 }
52
concatenate() const53 SVGTransform SVGTransformList::concatenate() const
54 {
55 unsigned int length = numberOfItems();
56 if (!length)
57 return SVGTransform();
58
59 TransformationMatrix matrix;
60 ExceptionCode ec = 0;
61 for (unsigned int i = 0; i < length; i++)
62 matrix = getItem(i, ec).matrix() * matrix;
63
64 return SVGTransform(matrix);
65 }
66
valueAsString() const67 String SVGTransformList::valueAsString() const
68 {
69 // TODO: We may want to build a real transform string, instead of concatting to a matrix(...).
70 SVGTransform transform = concatenate();
71 if (transform.type() == SVGTransform::SVG_TRANSFORM_MATRIX) {
72 TransformationMatrix matrix = transform.matrix();
73 return String::format("matrix(%f %f %f %f %f %f)", matrix.a(), matrix.b(), matrix.c(), matrix.d(), matrix.e(), matrix.f());
74 }
75
76 return String();
77 }
78
79 #endif // ENABLE(SVG)
80