1/*
2 * Copyright (C) 2004, 2005, 2006, 2008 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)
24#include "SVGPointList.h"
25
26#include "FloatPoint.h"
27#include <wtf/text/StringBuilder.h>
28#include <wtf/text/StringConcatenate.h>
29
30namespace WebCore {
31
32String SVGPointList::valueAsString() const
33{
34    StringBuilder builder;
35
36    unsigned size = this->size();
37    for (unsigned i = 0; i < size; ++i) {
38        if (i > 0)
39            builder.append(" "); // FIXME: Shouldn't we use commas to seperate?
40
41        const FloatPoint& point = at(i);
42        builder.append(makeString(String::number(point.x()), ' ', String::number(point.y())));
43    }
44
45    return builder.toString();
46}
47
48float inline adjustAnimatedValue(float from, float to, float progress)
49{
50    return (to - from) * progress + from;
51}
52
53bool SVGPointList::createAnimated(const SVGPointList& fromList, const SVGPointList& toList, SVGPointList& resultList, float progress)
54{
55    unsigned itemCount = fromList.size();
56    if (!itemCount || itemCount != toList.size())
57        return false;
58    for (unsigned n = 0; n < itemCount; ++n) {
59        const FloatPoint& from = fromList.at(n);
60        const FloatPoint& to = toList.at(n);
61        FloatPoint segment = FloatPoint(adjustAnimatedValue(from.x(), to.x(), progress),
62                                        adjustAnimatedValue(from.y(), to.y(), progress));
63        resultList.append(segment);
64    }
65    return true;
66}
67
68}
69
70#endif // ENABLE(SVG)
71