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	 265e672179
			
		
	
	
		265e672179
		
	
	
	
	
		
			
			# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
		
			
				
	
	
		
			275 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			275 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #ifndef MOZILLA_DOM_DOMMATRIX_H_
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| #define MOZILLA_DOM_DOMMATRIX_H_
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| 
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| #include "nsWrapperCache.h"
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| #include "nsISupports.h"
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| #include "nsCycleCollectionParticipant.h"
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| #include "mozilla/Attributes.h"
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| #include "mozilla/ErrorResult.h"
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| #include "nsCOMPtr.h"
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| #include "mozilla/dom/BindingDeclarations.h"
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| #include "mozilla/dom/TypedArray.h"
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| #include "mozilla/gfx/Matrix.h"  // for Matrix4x4
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| 
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| namespace mozilla {
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| namespace dom {
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| 
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| class GlobalObject;
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| class DOMMatrix;
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| class DOMPoint;
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| class StringOrUnrestrictedDoubleSequence;
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| struct DOMPointInit;
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| 
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| class DOMMatrixReadOnly : public nsWrapperCache {
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|  public:
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|   explicit DOMMatrixReadOnly(nsISupports* aParent)
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|       : mParent(aParent), mMatrix2D(new gfx::Matrix()) {}
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| 
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|   DOMMatrixReadOnly(nsISupports* aParent, const DOMMatrixReadOnly& other)
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|       : mParent(aParent) {
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|     if (other.mMatrix2D) {
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|       mMatrix2D = new gfx::Matrix(*other.mMatrix2D);
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|     } else {
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|       mMatrix3D = new gfx::Matrix4x4(*other.mMatrix3D);
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|     }
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|   }
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| 
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|   DOMMatrixReadOnly(nsISupports* aParent, const gfx::Matrix4x4& aMatrix)
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|       : mParent(aParent) {
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|     mMatrix3D = new gfx::Matrix4x4(aMatrix);
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|   }
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| 
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|   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMMatrixReadOnly)
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|   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMMatrixReadOnly)
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| 
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|   nsISupports* GetParentObject() const { return mParent; }
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|   virtual JSObject* WrapObject(JSContext* cx,
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|                                JS::Handle<JSObject*> aGivenProto) override;
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| 
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|   static already_AddRefed<DOMMatrixReadOnly> Constructor(
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|       const GlobalObject& aGlobal,
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|       const Optional<StringOrUnrestrictedDoubleSequence>& aArg,
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|       ErrorResult& aRv);
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| 
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| #define GetMatrixMember(entry2D, entry3D, default) \
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|   {                                                \
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|     if (mMatrix3D) {                               \
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|       return mMatrix3D->entry3D;                   \
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|     }                                              \
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|     return mMatrix2D->entry2D;                     \
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|   }
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| 
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| #define Get3DMatrixMember(entry3D, default) \
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|   {                                         \
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|     if (mMatrix3D) {                        \
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|       return mMatrix3D->entry3D;            \
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|     }                                       \
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|     return default;                         \
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|   }
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| 
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|   double A() const GetMatrixMember(_11, _11, 1.0) double B() const
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|       GetMatrixMember(_12, _12, 0) double C() const
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|       GetMatrixMember(_21, _21, 0) double D() const
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|       GetMatrixMember(_22, _22, 1.0) double E() const
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|       GetMatrixMember(_31, _41, 0) double F() const GetMatrixMember(_32, _42, 0)
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| 
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|           double M11() const GetMatrixMember(_11, _11, 1.0) double M12() const
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|       GetMatrixMember(_12, _12, 0) double M13() const
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|       Get3DMatrixMember(_13, 0) double M14() const
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|       Get3DMatrixMember(_14, 0) double M21() const
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|       GetMatrixMember(_21, _21, 0) double M22() const
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|       GetMatrixMember(_22, _22, 1.0) double M23() const
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|       Get3DMatrixMember(_23, 0) double M24() const
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|       Get3DMatrixMember(_24, 0) double M31() const
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|       Get3DMatrixMember(_31, 0) double M32() const
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|       Get3DMatrixMember(_32, 0) double M33() const
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|       Get3DMatrixMember(_33, 1.0) double M34() const
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|       Get3DMatrixMember(_34, 0) double M41() const
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|       GetMatrixMember(_31, _41, 0) double M42() const
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|       GetMatrixMember(_32, _42, 0) double M43() const
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|       Get3DMatrixMember(_43, 0) double M44() const Get3DMatrixMember(_44, 1.0)
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| 
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| #undef GetMatrixMember
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| #undef Get3DMatrixMember
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| 
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|   // Defined here so we can construct DOMMatrixReadOnly objects.
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| #define Set2DMatrixMember(entry2D, entry3D) \
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|   {                                         \
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|     if (mMatrix3D) {                        \
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|       mMatrix3D->entry3D = v;               \
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|     } else {                                \
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|       mMatrix2D->entry2D = v;               \
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|     }                                       \
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|   }
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| 
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| #define Set3DMatrixMember(entry3D, default) \
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|   {                                         \
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|     if (mMatrix3D || (v != default)) {      \
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|       Ensure3DMatrix();                     \
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|       mMatrix3D->entry3D = v;               \
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|     }                                       \
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|   }
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| 
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|           void SetA(double v) Set2DMatrixMember(_11, _11) void SetB(double v) Set2DMatrixMember(
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|               _12,
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|               _12) void SetC(double v) Set2DMatrixMember(_21,
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|                                                          _21) void SetD(double
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|                                                                             v)
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|               Set2DMatrixMember(_22, _22) void SetE(double v) Set2DMatrixMember(
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|                   _31, _41) void SetF(double v) Set2DMatrixMember(_32, _42)
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| 
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|                   void SetM11(double v) Set2DMatrixMember(_11, _11) void SetM12(
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|                       double v) Set2DMatrixMember(_12,
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|                                                   _12) void SetM13(double v)
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|                       Set3DMatrixMember(_13, 0) void SetM14(
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|                           double v) Set3DMatrixMember(_14,
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|                                                       0) void SetM21(double v)
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|                           Set2DMatrixMember(_21, _21) void SetM22(
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|                               double
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|                                   v) Set2DMatrixMember(_22,
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|                                                        _22) void SetM23(double
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|                                                                             v)
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|                               Set3DMatrixMember(_23, 0) void SetM24(
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|                                   double
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|                                       v) Set3DMatrixMember(_24,
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|                                                            0) void SetM31(double
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|                                                                               v)
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|                                   Set3DMatrixMember(_31, 0) void SetM32(
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|                                       double
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|                                           v) Set3DMatrixMember(_32,
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|                                                                0) void SetM33(double
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|                                                                                   v)
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|                                       Set3DMatrixMember(_33, 1.0) void SetM34(
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|                                           double v)
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|                                           Set3DMatrixMember(_34, 0) void SetM41(
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|                                               double v)
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|                                               Set2DMatrixMember(
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|                                                   _31,
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|                                                   _41) void SetM42(double v)
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|                                                   Set2DMatrixMember(
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|                                                       _32,
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|                                                       _42) void SetM43(double v)
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|                                                       Set3DMatrixMember(
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|                                                           _43,
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|                                                           0) void SetM44(double
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|                                                                              v)
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|                                                           Set3DMatrixMember(_44,
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|                                                                             1.0)
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| 
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| #undef Set2DMatrixMember
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| #undef Set3DMatrixMember
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| 
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|                                                               already_AddRefed<DOMMatrix> Translate(
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|                                                                   double aTx,
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|                                                                   double aTy,
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|                                                                   double aTz =
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|                                                                       0) const;
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|   already_AddRefed<DOMMatrix> Scale(double aScale, double aOriginX = 0,
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|                                     double aOriginY = 0) const;
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|   already_AddRefed<DOMMatrix> Scale3d(double aScale, double aOriginX = 0,
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|                                       double aOriginY = 0,
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|                                       double aOriginZ = 0) const;
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|   already_AddRefed<DOMMatrix> ScaleNonUniform(
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|       double aScaleX, double aScaleY = 1.0, double aScaleZ = 1.0,
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|       double aOriginX = 0, double aOriginY = 0, double aOriginZ = 0) const;
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|   already_AddRefed<DOMMatrix> Rotate(double aAngle, double aOriginX = 0,
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|                                      double aOriginY = 0) const;
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|   already_AddRefed<DOMMatrix> RotateFromVector(double aX, double aY) const;
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|   already_AddRefed<DOMMatrix> RotateAxisAngle(double aX, double aY, double aZ,
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|                                               double aAngle) const;
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|   already_AddRefed<DOMMatrix> SkewX(double aSx) const;
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|   already_AddRefed<DOMMatrix> SkewY(double aSy) const;
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|   already_AddRefed<DOMMatrix> Multiply(const DOMMatrix& aOther) const;
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|   already_AddRefed<DOMMatrix> FlipX() const;
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|   already_AddRefed<DOMMatrix> FlipY() const;
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|   already_AddRefed<DOMMatrix> Inverse() const;
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| 
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|   bool Is2D() const;
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|   bool IsIdentity() const;
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|   already_AddRefed<DOMPoint> TransformPoint(const DOMPointInit& aPoint) const;
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|   void ToFloat32Array(JSContext* aCx, JS::MutableHandle<JSObject*> aResult,
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|                       ErrorResult& aRv) const;
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|   void ToFloat64Array(JSContext* aCx, JS::MutableHandle<JSObject*> aResult,
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|                       ErrorResult& aRv) const;
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|   void Stringify(nsAString& aResult);
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| 
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|  protected:
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|   nsCOMPtr<nsISupports> mParent;
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|   nsAutoPtr<gfx::Matrix> mMatrix2D;
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|   nsAutoPtr<gfx::Matrix4x4> mMatrix3D;
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| 
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|   virtual ~DOMMatrixReadOnly() {}
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| 
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|   DOMMatrixReadOnly* SetMatrixValue(const nsAString& aTransformList,
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|                                     ErrorResult& aRv);
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|   void Ensure3DMatrix();
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| 
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|  private:
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|   DOMMatrixReadOnly() = delete;
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|   DOMMatrixReadOnly(const DOMMatrixReadOnly&) = delete;
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|   DOMMatrixReadOnly& operator=(const DOMMatrixReadOnly&) = delete;
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| };
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| 
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| class DOMMatrix : public DOMMatrixReadOnly {
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|  public:
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|   explicit DOMMatrix(nsISupports* aParent) : DOMMatrixReadOnly(aParent) {}
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| 
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|   DOMMatrix(nsISupports* aParent, const DOMMatrixReadOnly& other)
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|       : DOMMatrixReadOnly(aParent, other) {}
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| 
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|   DOMMatrix(nsISupports* aParent, const gfx::Matrix4x4& aMatrix)
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|       : DOMMatrixReadOnly(aParent, aMatrix) {}
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| 
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|   static already_AddRefed<DOMMatrix> Constructor(const GlobalObject& aGlobal,
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|                                                  ErrorResult& aRv);
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|   static already_AddRefed<DOMMatrix> Constructor(
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|       const GlobalObject& aGlobal, const nsAString& aTransformList,
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|       ErrorResult& aRv);
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|   static already_AddRefed<DOMMatrix> Constructor(
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|       const GlobalObject& aGlobal, const DOMMatrixReadOnly& aOther,
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|       ErrorResult& aRv);
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|   static already_AddRefed<DOMMatrix> Constructor(const GlobalObject& aGlobal,
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|                                                  const Float32Array& aArray32,
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|                                                  ErrorResult& aRv);
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|   static already_AddRefed<DOMMatrix> Constructor(const GlobalObject& aGlobal,
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|                                                  const Float64Array& aArray64,
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|                                                  ErrorResult& aRv);
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|   static already_AddRefed<DOMMatrix> Constructor(
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|       const GlobalObject& aGlobal, const Sequence<double>& aNumberSequence,
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|       ErrorResult& aRv);
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| 
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|   virtual JSObject* WrapObject(JSContext* aCx,
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|                                JS::Handle<JSObject*> aGivenProto) override;
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| 
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|   DOMMatrix* MultiplySelf(const DOMMatrix& aOther);
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|   DOMMatrix* PreMultiplySelf(const DOMMatrix& aOther);
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|   DOMMatrix* TranslateSelf(double aTx, double aTy, double aTz = 0);
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|   DOMMatrix* ScaleSelf(double aScale, double aOriginX = 0, double aOriginY = 0);
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|   DOMMatrix* Scale3dSelf(double aScale, double aOriginX = 0,
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|                          double aOriginY = 0, double aOriginZ = 0);
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|   DOMMatrix* ScaleNonUniformSelf(double aScaleX, double aScaleY = 1,
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|                                  double aScaleZ = 1, double aOriginX = 0,
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|                                  double aOriginY = 0, double aOriginZ = 0);
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|   DOMMatrix* RotateSelf(double aAngle, double aOriginX = 0,
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|                         double aOriginY = 0);
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|   DOMMatrix* RotateFromVectorSelf(double aX, double aY);
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|   DOMMatrix* RotateAxisAngleSelf(double aX, double aY, double aZ,
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|                                  double aAngle);
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|   DOMMatrix* SkewXSelf(double aSx);
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|   DOMMatrix* SkewYSelf(double aSy);
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|   DOMMatrix* InvertSelf();
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|   DOMMatrix* SetMatrixValue(const nsAString& aTransformList, ErrorResult& aRv);
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| 
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|   virtual ~DOMMatrix() {}
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| };
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| 
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| }  // namespace dom
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| }  // namespace mozilla
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| 
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| #endif /*MOZILLA_DOM_DOMMATRIX_H_*/
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