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Viewing changes to Source/WebCore/svg/SVGPathSegListSource.cpp

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2013-02-18 14:24:18 UTC
  • Revision ID: package-import@ubuntu.com-20130218142418-eon0jmjg3nj438uy
Tags: upstream-2.3
Import upstream version 2.3

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Source/WebCore/svg/SVGPathSegListSource.cpp
 
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/*
 
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 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
 
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 *
 
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 * This library is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU Library General Public
 
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 * License as published by the Free Software Foundation; either
 
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 * version 2 of the License, or (at your option) any later version.
 
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 *
 
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 * This library is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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 * Library General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Library General Public License
 
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 * along with this library; see the file COPYING.LIB.  If not, write to
 
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 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 
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 * Boston, MA 02110-1301, USA.
 
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 */
 
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#include "config.h"
 
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#if ENABLE(SVG)
 
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#include "SVGPathSegListSource.h"
 
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#include "SVGPathSegArc.h"
 
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#include "SVGPathSegCurvetoCubic.h"
 
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#include "SVGPathSegCurvetoCubicSmooth.h"
 
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#include "SVGPathSegCurvetoQuadratic.h"
 
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#include "SVGPathSegLinetoHorizontal.h"
 
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#include "SVGPathSegLinetoVertical.h"
 
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namespace WebCore {
 
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SVGPathSegListSource::SVGPathSegListSource(const SVGPathSegList& pathSegList)
 
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    : m_pathSegList(pathSegList)
 
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{
 
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    m_itemCurrent = 0;
 
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    m_itemEnd = m_pathSegList.size();
 
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}
 
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bool SVGPathSegListSource::hasMoreData() const
 
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{
 
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    return m_itemCurrent < m_itemEnd;
 
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}
 
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bool SVGPathSegListSource::parseSVGSegmentType(SVGPathSegType& pathSegType)
 
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{
 
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    m_segment = m_pathSegList.at(m_itemCurrent);
 
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    pathSegType = static_cast<SVGPathSegType>(m_segment->pathSegType());
 
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    ++m_itemCurrent;
 
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    return true;
 
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}
 
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SVGPathSegType SVGPathSegListSource::nextCommand(SVGPathSegType)
 
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{
 
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    m_segment = m_pathSegList.at(m_itemCurrent);
 
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    SVGPathSegType pathSegType = static_cast<SVGPathSegType>(m_segment->pathSegType());
 
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    ++m_itemCurrent;
 
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    return pathSegType;
 
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}
 
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bool SVGPathSegListSource::parseMoveToSegment(FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegMoveToAbs || m_segment->pathSegType() == PathSegMoveToRel);
 
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    SVGPathSegSingleCoordinate* moveTo = static_cast<SVGPathSegSingleCoordinate*>(m_segment.get());
 
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    targetPoint = FloatPoint(moveTo->x(), moveTo->y());
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseLineToSegment(FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegLineToAbs || m_segment->pathSegType() == PathSegLineToRel);
 
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    SVGPathSegSingleCoordinate* lineTo = static_cast<SVGPathSegSingleCoordinate*>(m_segment.get());
 
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    targetPoint = FloatPoint(lineTo->x(), lineTo->y());
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseLineToHorizontalSegment(float& x)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegLineToHorizontalAbs || m_segment->pathSegType() == PathSegLineToHorizontalRel);
 
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    SVGPathSegLinetoHorizontal* horizontal = static_cast<SVGPathSegLinetoHorizontal*>(m_segment.get());
 
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    x = horizontal->x();
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseLineToVerticalSegment(float& y)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegLineToVerticalAbs || m_segment->pathSegType() == PathSegLineToVerticalRel);
 
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    SVGPathSegLinetoVertical* vertical = static_cast<SVGPathSegLinetoVertical*>(m_segment.get());
 
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    y = vertical->y();
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegCurveToCubicAbs || m_segment->pathSegType() == PathSegCurveToCubicRel);
 
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    SVGPathSegCurvetoCubic* cubic = static_cast<SVGPathSegCurvetoCubic*>(m_segment.get());
 
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    point1 = FloatPoint(cubic->x1(), cubic->y1());
 
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    point2 = FloatPoint(cubic->x2(), cubic->y2());
 
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    targetPoint = FloatPoint(cubic->x(), cubic->y());
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegCurveToCubicSmoothAbs || m_segment->pathSegType() == PathSegCurveToCubicSmoothRel);
 
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    SVGPathSegCurvetoCubicSmooth* cubicSmooth = static_cast<SVGPathSegCurvetoCubicSmooth*>(m_segment.get());
 
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    point2 = FloatPoint(cubicSmooth->x2(), cubicSmooth->y2());
 
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    targetPoint = FloatPoint(cubicSmooth->x(), cubicSmooth->y());
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegCurveToQuadraticAbs || m_segment->pathSegType() == PathSegCurveToQuadraticRel);
 
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    SVGPathSegCurvetoQuadratic* quadratic = static_cast<SVGPathSegCurvetoQuadratic*>(m_segment.get());
 
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    point1 = FloatPoint(quadratic->x1(), quadratic->y1());
 
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    targetPoint = FloatPoint(quadratic->x(), quadratic->y());
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegCurveToQuadraticSmoothAbs || m_segment->pathSegType() == PathSegCurveToQuadraticSmoothRel);
 
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    SVGPathSegSingleCoordinate* quadraticSmooth = static_cast<SVGPathSegSingleCoordinate*>(m_segment.get());
 
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    targetPoint = FloatPoint(quadraticSmooth->x(), quadraticSmooth->y());
 
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    return true;
 
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}
 
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bool SVGPathSegListSource::parseArcToSegment(float& rx, float& ry, float& angle, bool& largeArc, bool& sweep, FloatPoint& targetPoint)
 
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{
 
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    ASSERT(m_segment);
 
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    ASSERT(m_segment->pathSegType() == PathSegArcAbs || m_segment->pathSegType() == PathSegArcRel);
 
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    SVGPathSegArc* arcTo = static_cast<SVGPathSegArc*>(m_segment.get());
 
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    rx = arcTo->r1();
 
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    ry = arcTo->r2();
 
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    angle = arcTo->angle();
 
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    largeArc = arcTo->largeArcFlag();
 
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    sweep = arcTo->sweepFlag();
 
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    targetPoint = FloatPoint(arcTo->x(), arcTo->y());
 
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    return true;
 
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}
 
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}
 
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#endif // ENABLE(SVG)