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_SVGPATHELEMENT_H__
40 : #define __NS_SVGPATHELEMENT_H__
41 :
42 : #include "nsIDOMSVGAnimatedPathData.h"
43 : #include "nsIDOMSVGPathElement.h"
44 : #include "nsSVGNumber2.h"
45 : #include "nsSVGPathGeometryElement.h"
46 : #include "SVGAnimatedPathSegList.h"
47 :
48 : class gfxContext;
49 :
50 : typedef nsSVGPathGeometryElement nsSVGPathElementBase;
51 :
52 : class nsSVGPathElement : public nsSVGPathElementBase,
53 : public nsIDOMSVGPathElement,
54 : public nsIDOMSVGAnimatedPathData
55 0 : {
56 : friend class nsSVGPathFrame;
57 :
58 : protected:
59 : friend nsresult NS_NewSVGPathElement(nsIContent **aResult,
60 : already_AddRefed<nsINodeInfo> aNodeInfo);
61 : nsSVGPathElement(already_AddRefed<nsINodeInfo> aNodeInfo);
62 :
63 : public:
64 : typedef mozilla::SVGAnimatedPathSegList SVGAnimatedPathSegList;
65 : // interfaces:
66 :
67 : NS_DECL_ISUPPORTS_INHERITED
68 : NS_DECL_NSIDOMSVGPATHELEMENT
69 : NS_DECL_NSIDOMSVGANIMATEDPATHDATA
70 :
71 : // xxx I wish we could use virtual inheritance
72 0 : NS_FORWARD_NSIDOMNODE(nsSVGPathElementBase::)
73 0 : NS_FORWARD_NSIDOMELEMENT(nsSVGPathElementBase::)
74 0 : NS_FORWARD_NSIDOMSVGELEMENT(nsSVGPathElementBase::)
75 :
76 : // nsIContent interface
77 : NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const;
78 :
79 : // nsSVGSVGElement methods:
80 : virtual bool HasValidDimensions() const;
81 :
82 : // nsSVGPathGeometryElement methods:
83 : virtual bool AttributeDefinesGeometry(const nsIAtom *aName);
84 : virtual bool IsMarkable();
85 : virtual void GetMarkPoints(nsTArray<nsSVGMark> *aMarks);
86 : virtual void ConstructPath(gfxContext *aCtx);
87 :
88 : virtual already_AddRefed<gfxFlattenedPath> GetFlattenedPath(const gfxMatrix &aMatrix);
89 :
90 : // nsIContent interface
91 : virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
92 :
93 : virtual nsXPCClassInfo* GetClassInfo();
94 :
95 0 : virtual SVGAnimatedPathSegList* GetAnimPathSegList() {
96 0 : return &mD;
97 : }
98 :
99 0 : virtual nsIAtom* GetPathDataAttrName() const {
100 0 : return nsGkAtoms::d;
101 : }
102 :
103 : enum PathLengthScaleForType {
104 : eForTextPath,
105 : eForStroking
106 : };
107 :
108 : /**
109 : * Gets the ratio of the actual path length to the content author's estimated
110 : * length (as provided by the <path> element's 'pathLength' attribute). This
111 : * is used to scale stroke dashing, and to scale offsets along a textPath.
112 : */
113 : gfxFloat GetPathLengthScale(PathLengthScaleForType aFor);
114 :
115 : protected:
116 :
117 : // nsSVGElement method
118 : virtual NumberAttributesInfo GetNumberInfo();
119 :
120 : SVGAnimatedPathSegList mD;
121 : nsSVGNumber2 mPathLength;
122 : static NumberInfo sNumberInfo;
123 : };
124 :
125 : #endif
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