Introduce SVGPathQuery to hold SVG path query methods

third_party/WebKit/Source/core/svg/SVGPathUtilities.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010, 2012. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/svg/SVGPathUtilities.h"
 
 #include "core/svg/SVGPathBuilder.h"
 #include "core/svg/SVGPathByteStreamBuilder.h"
 #include "core/svg/SVGPathByteStreamSource.h"
 #include "core/svg/SVGPathParser.h"
 #include "core/svg/SVGPathStringBuilder.h"
 #include "core/svg/SVGPathStringSource.h"
-#include "core/svg/SVGPathTraversalStateBuilder.h"
-#include "platform/graphics/PathTraversalState.h"
 
 namespace blink {
 
 bool buildPathFromString(const String& d, Path& result)
 {
     if (d.isEmpty())
         return true;
 
     SVGPathBuilder builder(result);
     SVGPathStringSource source(d);
@@ skipping 35 matching lines @@
     result.reserveInitialCapacity(d.length());
 
     SVGPathByteStreamBuilder builder(result);
     SVGPathStringSource source(d);
     SVGPathParser parser(&source, &builder);
     bool ok = parser.parsePathDataFromSource(parsingMode);
     result.shrinkToFit();
     return ok;
 }
 
-unsigned getSVGPathSegAtLengthFromSVGPathByteStream(const SVGPathByteStream& stream, float length)
-{
-    if (stream.isEmpty())
-        return 0;
-
-    SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalSegmentAtLength, length);
-    SVGPathByteStreamSource source(stream);
-    SVGPathParser parser(&source, &builder);
-    parser.parsePathDataFromSource(NormalizedParsing);
-    return builder.pathSegmentIndex();
 }
-
-float getTotalLengthOfSVGPathByteStream(const SVGPathByteStream& stream)
-{
-    if (stream.isEmpty())
-        return 0;
-
-    SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalTotalLength);
-    SVGPathByteStreamSource source(stream);
-    SVGPathParser parser(&source, &builder);
-    parser.parsePathDataFromSource(NormalizedParsing);
-    return builder.totalLength();
-}
-
-FloatPoint getPointAtLengthOfSVGPathByteStream(const SVGPathByteStream& stream, float length)
-{
-    if (stream.isEmpty())
-        return FloatPoint();
-
-    SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalPointAtLength, length);
-    SVGPathByteStreamSource source(stream);
-    SVGPathParser parser(&source, &builder);
-    parser.parsePathDataFromSource(NormalizedParsing);
-    return builder.currentPoint();
-}
-
-}