зеркало из https://github.com/mozilla/gecko-dev.git
269 строки
9.9 KiB
C++
269 строки
9.9 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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#ifndef MOZILLA_DOM_DOMMATRIX_H_
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#define MOZILLA_DOM_DOMMATRIX_H_
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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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namespace mozilla {
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namespace dom {
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class GlobalObject;
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class DOMMatrix;
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class DOMPoint;
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struct DOMPointInit;
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class DOMMatrixReadOnly : public nsWrapperCache
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{
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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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}
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DOMMatrixReadOnly(nsISupports* aParent, const DOMMatrixReadOnly& other)
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: mParent(aParent)
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{
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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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DOMMatrixReadOnly(nsISupports* aParent, const gfx::Matrix4x4& aMatrix)
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: mParent(aParent)
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{
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mMatrix3D = new gfx::Matrix4x4(aMatrix);
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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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#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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#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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double A() const GetMatrixMember(_11, _11, 1.0)
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double B() const GetMatrixMember(_12, _12, 0)
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double C() const GetMatrixMember(_21, _21, 0)
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double D() const GetMatrixMember(_22, _22, 1.0)
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double E() const GetMatrixMember(_31, _41, 0)
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double F() const GetMatrixMember(_32, _42, 0)
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double M11() const GetMatrixMember(_11, _11, 1.0)
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double M12() const GetMatrixMember(_12, _12, 0)
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double M13() const Get3DMatrixMember(_13, 0)
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double M14() const Get3DMatrixMember(_14, 0)
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double M21() const GetMatrixMember(_21, _21, 0)
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double M22() const GetMatrixMember(_22, _22, 1.0)
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double M23() const Get3DMatrixMember(_23, 0)
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double M24() const Get3DMatrixMember(_24, 0)
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double M31() const Get3DMatrixMember(_31, 0)
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double M32() const Get3DMatrixMember(_32, 0)
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double M33() const Get3DMatrixMember(_33, 1.0)
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double M34() const Get3DMatrixMember(_34, 0)
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double M41() const GetMatrixMember(_31, _41, 0)
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double M42() const GetMatrixMember(_32, _42, 0)
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double M43() const Get3DMatrixMember(_43, 0)
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double M44() const Get3DMatrixMember(_44, 1.0)
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#undef GetMatrixMember
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#undef Get3DMatrixMember
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already_AddRefed<DOMMatrix> Translate(double aTx,
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double aTy,
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double aTz = 0) const;
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already_AddRefed<DOMMatrix> Scale(double aScale,
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double aOriginX = 0,
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double aOriginY = 0) const;
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already_AddRefed<DOMMatrix> Scale3d(double aScale,
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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(double aScaleX,
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double aScaleY = 1.0,
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double aScaleZ = 1.0,
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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> Rotate(double aAngle,
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double aOriginX = 0,
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double aOriginY = 0) const;
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already_AddRefed<DOMMatrix> RotateFromVector(double aX,
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double aY) const;
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already_AddRefed<DOMMatrix> RotateAxisAngle(double aX,
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double aY,
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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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bool Is2D() const;
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bool Identity() const;
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already_AddRefed<DOMPoint> TransformPoint(const DOMPointInit& aPoint) const;
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void ToFloat32Array(JSContext* aCx,
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JS::MutableHandle<JSObject*> aResult,
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ErrorResult& aRv) const;
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void ToFloat64Array(JSContext* aCx,
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JS::MutableHandle<JSObject*> aResult,
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ErrorResult& aRv) const;
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void Stringify(nsAString& aResult);
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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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virtual ~DOMMatrixReadOnly() {}
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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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class DOMMatrix : public DOMMatrixReadOnly
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{
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public:
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explicit DOMMatrix(nsISupports* aParent)
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: 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>
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Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
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static already_AddRefed<DOMMatrix>
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Constructor(const GlobalObject& aGlobal, const nsAString& aTransformList, ErrorResult& aRv);
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static already_AddRefed<DOMMatrix>
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Constructor(const GlobalObject& aGlobal, const DOMMatrixReadOnly& aOther, ErrorResult& aRv);
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static already_AddRefed<DOMMatrix>
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Constructor(const GlobalObject& aGlobal, const Float32Array& aArray32, ErrorResult& aRv);
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static already_AddRefed<DOMMatrix>
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Constructor(const GlobalObject& aGlobal, const Float64Array& aArray64, ErrorResult& aRv);
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static already_AddRefed<DOMMatrix>
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Constructor(const GlobalObject& aGlobal, const Sequence<double>& aNumberSequence, ErrorResult& aRv);
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nsISupports* GetParentObject() const { return mParent; }
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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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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#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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void SetA(double v) Set2DMatrixMember(_11, _11)
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void SetB(double v) Set2DMatrixMember(_12, _12)
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void SetC(double v) Set2DMatrixMember(_21, _21)
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void SetD(double v) Set2DMatrixMember(_22, _22)
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void SetE(double v) Set2DMatrixMember(_31, _41)
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void SetF(double v) Set2DMatrixMember(_32, _42)
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void SetM11(double v) Set2DMatrixMember(_11, _11)
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void SetM12(double v) Set2DMatrixMember(_12, _12)
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void SetM13(double v) Set3DMatrixMember(_13, 0)
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void SetM14(double v) Set3DMatrixMember(_14, 0)
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void SetM21(double v) Set2DMatrixMember(_21, _21)
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void SetM22(double v) Set2DMatrixMember(_22, _22)
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void SetM23(double v) Set3DMatrixMember(_23, 0)
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void SetM24(double v) Set3DMatrixMember(_24, 0)
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void SetM31(double v) Set3DMatrixMember(_31, 0)
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void SetM32(double v) Set3DMatrixMember(_32, 0)
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void SetM33(double v) Set3DMatrixMember(_33, 1.0)
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void SetM34(double v) Set3DMatrixMember(_34, 0)
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void SetM41(double v) Set2DMatrixMember(_31, _41)
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void SetM42(double v) Set2DMatrixMember(_32, _42)
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void SetM43(double v) Set3DMatrixMember(_43, 0)
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void SetM44(double v) Set3DMatrixMember(_44, 1.0)
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#undef Set2DMatrixMember
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#undef Set3DMatrixMember
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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,
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double aTy,
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double aTz = 0);
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DOMMatrix* ScaleSelf(double aScale,
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double aOriginX = 0,
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double aOriginY = 0);
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DOMMatrix* Scale3dSelf(double aScale,
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double aOriginX = 0,
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double aOriginY = 0,
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double aOriginZ = 0);
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DOMMatrix* ScaleNonUniformSelf(double aScaleX,
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double aScaleY = 1,
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double aScaleZ = 1,
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double aOriginX = 0,
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double aOriginY = 0,
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double aOriginZ = 0);
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DOMMatrix* RotateSelf(double aAngle,
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double aOriginX = 0,
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double aOriginY = 0);
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DOMMatrix* RotateFromVectorSelf(double aX,
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double aY);
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DOMMatrix* RotateAxisAngleSelf(double aX,
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double aY,
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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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protected:
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void Ensure3DMatrix();
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virtual ~DOMMatrix() {}
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};
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} // namespace dom
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} // namespace mozilla
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#endif /*MOZILLA_DOM_DOMMATRIX_H_*/
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