LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGPathDataParser.h (source / functions) Found Hit Coverage
Test: app.info Lines: 4 0 0.0 %
Date: 2012-06-02 Functions: 2 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Mozilla SVG project.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Crocodile Clips Ltd..
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2001
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #ifndef __NS_SVGPATHDATAPARSER_H__
      40                 : #define __NS_SVGPATHDATAPARSER_H__
      41                 : 
      42                 : #include "gfxPoint.h"
      43                 : #include "nsSVGDataParser.h"
      44                 : 
      45                 : namespace mozilla {
      46                 : class SVGPathData;
      47                 : }
      48                 : 
      49                 : ////////////////////////////////////////////////////////////////////////
      50                 : // nsSVGPathDataParser: a simple recursive descent parser that builds
      51                 : // nsIDOMSVGPathSegs from path data strings. The grammar for path data
      52                 : // can be found in SVG CR 20001102, chapter 8.
      53                 : 
      54                 : class nsSVGPathDataParser : public nsSVGDataParser
      55               0 : {
      56                 : protected:
      57                 :   // Path data storage
      58                 :   virtual nsresult StoreMoveTo(bool absCoords, float x, float y) = 0;
      59                 :   virtual nsresult StoreClosePath() = 0;
      60                 :   virtual nsresult StoreLineTo(bool absCoords, float x, float y) = 0;
      61                 :   virtual nsresult StoreHLineTo(bool absCoords, float x) = 0;
      62                 :   virtual nsresult StoreVLineTo(bool absCoords, float y) = 0;
      63                 :   virtual nsresult StoreCurveTo(bool absCoords, float x, float y,
      64                 :                                 float x1, float y1, float x2, float y2) = 0;
      65                 :   virtual nsresult StoreSmoothCurveTo(bool absCoords, float x, float y,
      66                 :                                       float x2, float y2) = 0;
      67                 :   virtual nsresult StoreQuadCurveTo(bool absCoords, float x, float y,
      68                 :                                     float x1, float y1) = 0;
      69                 :   virtual nsresult StoreSmoothQuadCurveTo(bool absCoords,
      70                 :                                           float x, float y) = 0;
      71                 :   virtual nsresult StoreEllipticalArc(bool absCoords, float x, float y,
      72                 :                                       float r1, float r2, float angle,
      73                 :                                       bool largeArcFlag, bool sweepFlag) = 0;
      74                 :   virtual nsresult Match();
      75                 :  
      76                 :   nsresult MatchCoordPair(float* aX, float* aY);
      77                 :   bool IsTokenCoordPairStarter();
      78                 : 
      79                 :   nsresult MatchCoord(float* aX);
      80                 :   bool IsTokenCoordStarter();
      81                 : 
      82                 :   nsresult MatchFlag(bool* f);
      83                 : 
      84                 :   nsresult MatchSvgPath();
      85                 :   
      86                 :   nsresult MatchSubPaths();
      87                 :   bool IsTokenSubPathsStarter();
      88                 :   
      89                 :   nsresult MatchSubPath();
      90                 :   bool IsTokenSubPathStarter();
      91                 :   
      92                 :   nsresult MatchSubPathElements();
      93                 :   bool IsTokenSubPathElementsStarter();
      94                 : 
      95                 :   nsresult MatchSubPathElement();
      96                 :   bool IsTokenSubPathElementStarter();
      97                 : 
      98                 :   nsresult MatchMoveto();
      99                 :   nsresult MatchMovetoArgSeq(bool absCoords);
     100                 :   
     101                 :   nsresult MatchClosePath();
     102                 :   
     103                 :   nsresult MatchLineto();
     104                 :   
     105                 :   nsresult MatchLinetoArgSeq(bool absCoords);
     106                 :   bool IsTokenLinetoArgSeqStarter();
     107                 :   
     108                 :   nsresult MatchHorizontalLineto();
     109                 :   nsresult MatchHorizontalLinetoArgSeq(bool absCoords);
     110                 :   
     111                 :   nsresult MatchVerticalLineto();
     112                 :   nsresult MatchVerticalLinetoArgSeq(bool absCoords);
     113                 :   
     114                 :   nsresult MatchCurveto();
     115                 :   nsresult MatchCurvetoArgSeq(bool absCoords);
     116                 :   nsresult MatchCurvetoArg(float* x, float* y, float* x1,
     117                 :                            float* y1, float* x2, float* y2);
     118                 :   bool IsTokenCurvetoArgStarter();
     119                 :   
     120                 :   nsresult MatchSmoothCurveto();
     121                 :   nsresult MatchSmoothCurvetoArgSeq(bool absCoords);
     122                 :   nsresult MatchSmoothCurvetoArg(float* x, float* y, float* x2, float* y2);
     123                 :   bool IsTokenSmoothCurvetoArgStarter();
     124                 :   
     125                 :   nsresult MatchQuadBezierCurveto();
     126                 :   nsresult MatchQuadBezierCurvetoArgSeq(bool absCoords);  
     127                 :   nsresult MatchQuadBezierCurvetoArg(float* x, float* y, float* x1, float* y1);
     128                 :   bool IsTokenQuadBezierCurvetoArgStarter();
     129                 :   
     130                 :   nsresult MatchSmoothQuadBezierCurveto();  
     131                 :   nsresult MatchSmoothQuadBezierCurvetoArgSeq(bool absCoords);
     132                 :   
     133                 :   nsresult MatchEllipticalArc();  
     134                 :   nsresult MatchEllipticalArcArgSeq(bool absCoords);
     135                 :   nsresult MatchEllipticalArcArg(float* x, float* y,
     136                 :                                  float* r1, float* r2, float* angle,
     137                 :                                  bool* largeArcFlag, bool* sweepFlag);
     138                 :   bool IsTokenEllipticalArcArgStarter();
     139                 :   
     140                 :  };
     141                 : 
     142                 : class nsSVGArcConverter
     143                 : {
     144                 : public:
     145                 :   nsSVGArcConverter(const gfxPoint &from,
     146                 :                     const gfxPoint &to,
     147                 :                     const gfxPoint &radii,
     148                 :                     double angle,
     149                 :                     bool largeArcFlag,
     150                 :                     bool sweepFlag);
     151                 :   bool GetNextSegment(gfxPoint *cp1, gfxPoint *cp2, gfxPoint *to);
     152                 : protected:
     153                 :   PRInt32 mNumSegs, mSegIndex;
     154                 :   double mTheta, mDelta, mT;
     155                 :   double mSinPhi, mCosPhi;
     156                 :   double mRx, mRy;
     157                 :   gfxPoint mFrom, mC;
     158                 : };
     159                 : 
     160                 : class nsSVGPathDataParserToInternal : public nsSVGPathDataParser
     161                 : {
     162                 : public:
     163               0 :   nsSVGPathDataParserToInternal(mozilla::SVGPathData *aList)
     164               0 :     : mPathSegList(aList)
     165               0 :   {}
     166                 :   nsresult Parse(const nsAString &aValue);
     167                 : 
     168                 : protected:
     169                 :   virtual nsresult StoreMoveTo(bool absCoords, float x, float y);
     170                 :   virtual nsresult StoreClosePath();
     171                 :   virtual nsresult StoreLineTo(bool absCoords, float x, float y);
     172                 :   virtual nsresult StoreHLineTo(bool absCoords, float x);
     173                 :   virtual nsresult StoreVLineTo(bool absCoords, float y);
     174                 :   virtual nsresult StoreCurveTo(bool absCoords, float x, float y,
     175                 :                                 float x1, float y1, float x2, float y2);
     176                 :   virtual nsresult StoreSmoothCurveTo(bool absCoords, float x, float y,
     177                 :                                       float x2, float y2);
     178                 :   virtual nsresult StoreQuadCurveTo(bool absCoords, float x, float y,
     179                 :                                     float x1, float y1);
     180                 :   virtual nsresult StoreSmoothQuadCurveTo(bool absCoords,
     181                 :                                           float x, float y);
     182                 :   virtual nsresult StoreEllipticalArc(bool absCoords, float x, float y,
     183                 :                                       float r1, float r2, float angle,
     184                 :                                       bool largeArcFlag, bool sweepFlag);
     185                 : 
     186                 : private:
     187                 :   mozilla::SVGPathData *mPathSegList;
     188                 : };
     189                 : 
     190                 : #endif // __NS_SVGPATHDATAPARSER_H__

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