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      1 /*
      2  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #include "config.h"
     21 
     22 #if ENABLE(SVG)
     23 #include "SVGPathByteStreamSource.h"
     24 
     25 namespace WebCore {
     26 
     27 SVGPathByteStreamSource::SVGPathByteStreamSource(SVGPathByteStream* stream)
     28     : m_stream(stream)
     29 {
     30     ASSERT(stream);
     31     m_streamCurrent = stream->begin();
     32     m_streamEnd = stream->end();
     33 }
     34 
     35 bool SVGPathByteStreamSource::hasMoreData() const
     36 {
     37     return m_streamCurrent < m_streamEnd;
     38 }
     39 
     40 bool SVGPathByteStreamSource::parseSVGSegmentType(SVGPathSegType& pathSegType)
     41 {
     42     pathSegType = static_cast<SVGPathSegType>(readSVGSegmentType());
     43     return true;
     44 }
     45 
     46 SVGPathSegType SVGPathByteStreamSource::nextCommand(SVGPathSegType)
     47 {
     48     return static_cast<SVGPathSegType>(readSVGSegmentType());
     49 }
     50 
     51 bool SVGPathByteStreamSource::parseMoveToSegment(FloatPoint& targetPoint)
     52 {
     53     targetPoint = readFloatPoint();
     54     return true;
     55 }
     56 
     57 bool SVGPathByteStreamSource::parseLineToSegment(FloatPoint& targetPoint)
     58 {
     59     targetPoint = readFloatPoint();
     60     return true;
     61 }
     62 
     63 bool SVGPathByteStreamSource::parseLineToHorizontalSegment(float& x)
     64 {
     65     x = readFloat();
     66     return true;
     67 }
     68 
     69 bool SVGPathByteStreamSource::parseLineToVerticalSegment(float& y)
     70 {
     71     y = readFloat();
     72     return true;
     73 }
     74 
     75 bool SVGPathByteStreamSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint)
     76 {
     77     point1 = readFloatPoint();
     78     point2 = readFloatPoint();
     79     targetPoint = readFloatPoint();
     80     return true;
     81 }
     82 
     83 bool SVGPathByteStreamSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint)
     84 {
     85     point2 = readFloatPoint();
     86     targetPoint = readFloatPoint();
     87     return true;
     88 }
     89 
     90 bool SVGPathByteStreamSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint)
     91 {
     92     point1 = readFloatPoint();
     93     targetPoint = readFloatPoint();
     94     return true;
     95 }
     96 
     97 bool SVGPathByteStreamSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint)
     98 {
     99     targetPoint = readFloatPoint();
    100     return true;
    101 }
    102 
    103 bool SVGPathByteStreamSource::parseArcToSegment(float& rx, float& ry, float& angle, bool& largeArc, bool& sweep, FloatPoint& targetPoint)
    104 {
    105     rx = readFloat();
    106     ry = readFloat();
    107     angle = readFloat();
    108     largeArc = readFlag();
    109     sweep = readFlag();
    110     targetPoint = readFloatPoint();
    111     return true;
    112 }
    113 
    114 }
    115 
    116 #endif // ENABLE(SVG)
    117