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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 #include "core/svg/SVGPathByteStreamSource.h"
     23 
     24 namespace blink {
     25 
     26 SVGPathByteStreamSource::SVGPathByteStreamSource(const SVGPathByteStream* stream)
     27 {
     28     ASSERT(stream);
     29     m_streamCurrent = stream->begin();
     30     m_streamEnd = stream->end();
     31 }
     32 
     33 bool SVGPathByteStreamSource::hasMoreData() const
     34 {
     35     return m_streamCurrent < m_streamEnd;
     36 }
     37 
     38 bool SVGPathByteStreamSource::parseSVGSegmentType(SVGPathSegType& pathSegType)
     39 {
     40     pathSegType = static_cast<SVGPathSegType>(readSVGSegmentType());
     41     return true;
     42 }
     43 
     44 SVGPathSegType SVGPathByteStreamSource::nextCommand(SVGPathSegType)
     45 {
     46     return static_cast<SVGPathSegType>(readSVGSegmentType());
     47 }
     48 
     49 bool SVGPathByteStreamSource::parseMoveToSegment(FloatPoint& targetPoint)
     50 {
     51     targetPoint = readFloatPoint();
     52     return true;
     53 }
     54 
     55 bool SVGPathByteStreamSource::parseLineToSegment(FloatPoint& targetPoint)
     56 {
     57     targetPoint = readFloatPoint();
     58     return true;
     59 }
     60 
     61 bool SVGPathByteStreamSource::parseLineToHorizontalSegment(float& x)
     62 {
     63     x = readFloat();
     64     return true;
     65 }
     66 
     67 bool SVGPathByteStreamSource::parseLineToVerticalSegment(float& y)
     68 {
     69     y = readFloat();
     70     return true;
     71 }
     72 
     73 bool SVGPathByteStreamSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint)
     74 {
     75     point1 = readFloatPoint();
     76     point2 = readFloatPoint();
     77     targetPoint = readFloatPoint();
     78     return true;
     79 }
     80 
     81 bool SVGPathByteStreamSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint)
     82 {
     83     point2 = readFloatPoint();
     84     targetPoint = readFloatPoint();
     85     return true;
     86 }
     87 
     88 bool SVGPathByteStreamSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint)
     89 {
     90     point1 = readFloatPoint();
     91     targetPoint = readFloatPoint();
     92     return true;
     93 }
     94 
     95 bool SVGPathByteStreamSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint)
     96 {
     97     targetPoint = readFloatPoint();
     98     return true;
     99 }
    100 
    101 bool SVGPathByteStreamSource::parseArcToSegment(float& rx, float& ry, float& angle, bool& largeArc, bool& sweep, FloatPoint& targetPoint)
    102 {
    103     rx = readFloat();
    104     ry = readFloat();
    105     angle = readFloat();
    106     largeArc = readFlag();
    107     sweep = readFlag();
    108     targetPoint = readFloatPoint();
    109     return true;
    110 }
    111 
    112 }
    113