LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGPolygonElement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 30 0 0.0 %
Date: 2012-06-02 Functions: 71 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                 : #include "nsSVGPolyElement.h"
      40                 : #include "nsIDOMSVGPolygonElement.h"
      41                 : #include "gfxContext.h"
      42                 : #include "nsSVGUtils.h"
      43                 : 
      44                 : typedef nsSVGPolyElement nsSVGPolygonElementBase;
      45                 : 
      46                 : class nsSVGPolygonElement : public nsSVGPolygonElementBase,
      47                 :                             public nsIDOMSVGPolygonElement
      48               0 : {
      49                 : protected:
      50                 :   friend nsresult NS_NewSVGPolygonElement(nsIContent **aResult,
      51                 :                                           already_AddRefed<nsINodeInfo> aNodeInfo);
      52                 :   nsSVGPolygonElement(already_AddRefed<nsINodeInfo> aNodeInfo);
      53                 : 
      54                 : public:
      55                 :   // interfaces:
      56                 : 
      57                 :   NS_DECL_ISUPPORTS_INHERITED
      58                 :   NS_DECL_NSIDOMSVGPOLYGONELEMENT
      59                 : 
      60                 :   // xxx I wish we could use virtual inheritance
      61               0 :   NS_FORWARD_NSIDOMNODE(nsSVGPolygonElementBase::)
      62               0 :   NS_FORWARD_NSIDOMELEMENT(nsSVGPolygonElementBase::)
      63               0 :   NS_FORWARD_NSIDOMSVGELEMENT(nsSVGPolygonElementBase::)
      64                 : 
      65                 :   // nsSVGPathGeometryElement methods:
      66                 :   virtual void GetMarkPoints(nsTArray<nsSVGMark> *aMarks);
      67                 :   virtual void ConstructPath(gfxContext *aCtx);
      68                 : 
      69                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
      70                 : 
      71                 :   virtual nsXPCClassInfo* GetClassInfo();
      72                 : };
      73                 : 
      74               0 : NS_IMPL_NS_NEW_SVG_ELEMENT(Polygon)
      75                 : 
      76                 : //----------------------------------------------------------------------
      77                 : // nsISupports methods
      78                 : 
      79               0 : NS_IMPL_ADDREF_INHERITED(nsSVGPolygonElement,nsSVGPolygonElementBase)
      80               0 : NS_IMPL_RELEASE_INHERITED(nsSVGPolygonElement,nsSVGPolygonElementBase)
      81                 : 
      82               0 : DOMCI_NODE_DATA(SVGPolygonElement, nsSVGPolygonElement)
      83                 : 
      84               0 : NS_INTERFACE_TABLE_HEAD(nsSVGPolygonElement)
      85               0 :   NS_NODE_INTERFACE_TABLE5(nsSVGPolygonElement, nsIDOMNode, nsIDOMElement,
      86                 :                            nsIDOMSVGElement, nsIDOMSVGTests,
      87                 :                            nsIDOMSVGPolygonElement)
      88               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGPolygonElement)
      89               0 : NS_INTERFACE_MAP_END_INHERITING(nsSVGPolygonElementBase)
      90                 : 
      91                 : //----------------------------------------------------------------------
      92                 : // Implementation
      93                 : 
      94               0 : nsSVGPolygonElement::nsSVGPolygonElement(already_AddRefed<nsINodeInfo> aNodeInfo)
      95               0 :   : nsSVGPolygonElementBase(aNodeInfo)
      96                 : {
      97                 : 
      98               0 : }
      99                 : 
     100                 : //----------------------------------------------------------------------
     101                 : // nsIDOMNode methods
     102                 : 
     103               0 : NS_IMPL_ELEMENT_CLONE_WITH_INIT(nsSVGPolygonElement)
     104                 : 
     105                 : //----------------------------------------------------------------------
     106                 : // nsSVGPathGeometryElement methods
     107                 : 
     108                 : void
     109               0 : nsSVGPolygonElement::GetMarkPoints(nsTArray<nsSVGMark> *aMarks)
     110                 : {
     111               0 :   nsSVGPolyElement::GetMarkPoints(aMarks);
     112               0 :   if (aMarks->Length() > 0) {
     113               0 :     nsSVGMark *endMark = &aMarks->ElementAt(aMarks->Length()-1);
     114               0 :     nsSVGMark *startMark = &aMarks->ElementAt(0);
     115               0 :     float angle = atan2(startMark->y - endMark->y, startMark->x - endMark->x);
     116                 : 
     117               0 :     endMark->angle = nsSVGUtils::AngleBisect(angle, endMark->angle);
     118               0 :     startMark->angle = nsSVGUtils::AngleBisect(angle, startMark->angle);
     119                 :     // for a polygon (as opposed to a polyline) there's an implicit extra point
     120                 :     // co-located with the start point that nsSVGPolyElement::GetMarkPoints
     121                 :     // doesn't return
     122               0 :     aMarks->AppendElement(nsSVGMark(startMark->x, startMark->y, startMark->angle));
     123                 :   }
     124               0 : }
     125                 : 
     126                 : void
     127               0 : nsSVGPolygonElement::ConstructPath(gfxContext *aCtx)
     128                 : {
     129               0 :   nsSVGPolygonElementBase::ConstructPath(aCtx);
     130                 :   // the difference between a polyline and a polygon is that the
     131                 :   // polygon is closed:
     132               0 :   aCtx->ClosePath();
     133               0 : }
     134                 : 
     135                 : 

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