Home | History | Annotate | Download | only in svg
      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005 Rob Buis <buis (at) 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 
     30 namespace WebCore {
     31 
     32 String 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 
     48 float inline adjustAnimatedValue(float from, float to, float progress)
     49 {
     50     return (to - from) * progress + from;
     51 }
     52 
     53 bool 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