dom/svg/SVGPathElement.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_SVGPathElement_h
   8 #define mozilla_dom_SVGPathElement_h
   9
  10 #include "mozilla/gfx/2D.h"
  11 #include "mozilla/RefPtr.h"
  12 #include "SVGAnimatedPathSegList.h"
  13 #include "SVGGeometryElement.h"
  14 #include "DOMSVGPathSeg.h"
  15
  16 nsresult NS_NewSVGPathElement(nsIContent **aResult,
  17                               already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  18
  19 namespace mozilla {
  20
  21 class nsISVGPoint;
  22
  23 namespace dom {
  24
  25 typedef SVGGeometryElement SVGPathElementBase;
  26
  27 class SVGPathElement final : public SVGPathElementBase
  28 {
  29   typedef mozilla::gfx::Path Path;
  30
  31 protected:
  32   friend nsresult (::NS_NewSVGPathElement(nsIContent **aResult,
  33                                           already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
  34   virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
  35   explicit SVGPathElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
  36
  37 public:
  38   NS_DECL_ADDSIZEOFEXCLUDINGTHIS
  39
  40   // nsIContent interface
  41   NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override;
  42
  43   // nsSVGSVGElement methods:
  44   virtual bool HasValidDimensions() const override;
  45
  46   // SVGGeometryElement methods:
  47   virtual bool AttributeDefinesGeometry(const nsAtom *aName) override;
  48   virtual bool IsMarkable() override;
  49   virtual void GetMarkPoints(nsTArray<nsSVGMark> *aMarks) override;
  50   virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;
  51
  52   /**
  53    * This returns a path without the extra little line segments that
  54    * ApproximateZeroLengthSubpathSquareCaps can insert if we have square-caps.
  55    * See the comment for that function for more info on that.
  56    */
  57   virtual already_AddRefed<Path> GetOrBuildPathForMeasuring() override;
  58
  59   // nsIContent interface
  60   virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
  61                          bool aPreallocateChildren) const override;
  62
  63   virtual SVGAnimatedPathSegList* GetAnimPathSegList() override {
  64     return &mD;
  65   }
  66
  67   virtual nsAtom* GetPathDataAttrName() const override {
  68     return nsGkAtoms::d;
  69   }
  70
  71   // WebIDL
  72   uint32_t GetPathSegAtLength(float distance);
  73   already_AddRefed<DOMSVGPathSegClosePath> CreateSVGPathSegClosePath();
  74   already_AddRefed<DOMSVGPathSegMovetoAbs> CreateSVGPathSegMovetoAbs(float x, float y);
  75   already_AddRefed<DOMSVGPathSegMovetoRel> CreateSVGPathSegMovetoRel(float x, float y);
  76   already_AddRefed<DOMSVGPathSegLinetoAbs> CreateSVGPathSegLinetoAbs(float x, float y);
  77   already_AddRefed<DOMSVGPathSegLinetoRel> CreateSVGPathSegLinetoRel(float x, float y);
  78   already_AddRefed<DOMSVGPathSegCurvetoCubicAbs>
  79     CreateSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2);
  80   already_AddRefed<DOMSVGPathSegCurvetoCubicRel>
  81     CreateSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2);
  82   already_AddRefed<DOMSVGPathSegCurvetoQuadraticAbs>
  83     CreateSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1);
  84   already_AddRefed<DOMSVGPathSegCurvetoQuadraticRel>
  85     CreateSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1);
  86   already_AddRefed<DOMSVGPathSegArcAbs>
  87     CreateSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
  88   already_AddRefed<DOMSVGPathSegArcRel>
  89     CreateSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
  90   already_AddRefed<DOMSVGPathSegLinetoHorizontalAbs> CreateSVGPathSegLinetoHorizontalAbs(float x);
  91   already_AddRefed<DOMSVGPathSegLinetoHorizontalRel> CreateSVGPathSegLinetoHorizontalRel(float x);
  92   already_AddRefed<DOMSVGPathSegLinetoVerticalAbs> CreateSVGPathSegLinetoVerticalAbs(float y);
  93   already_AddRefed<DOMSVGPathSegLinetoVerticalRel> CreateSVGPathSegLinetoVerticalRel(float y);
  94   already_AddRefed<DOMSVGPathSegCurvetoCubicSmoothAbs>
  95     CreateSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2);
  96   already_AddRefed<DOMSVGPathSegCurvetoCubicSmoothRel>
  97     CreateSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2);
  98   already_AddRefed<DOMSVGPathSegCurvetoQuadraticSmoothAbs>
  99     CreateSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y);
 100   already_AddRefed<DOMSVGPathSegCurvetoQuadraticSmoothRel>
 101     CreateSVGPathSegCurvetoQuadraticSmoothRel(float x, float y);
 102   already_AddRefed<DOMSVGPathSegList> PathSegList();
 103   already_AddRefed<DOMSVGPathSegList> AnimatedPathSegList();
 104
 105 protected:
 106
 107   SVGAnimatedPathSegList mD;
 108 };
 109
 110 } // namespace dom
 111 } // namespace mozilla
 112
 113 #endif // mozilla_dom_SVGPathElement_h