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