зеркало из https://github.com/mozilla/gecko-dev.git
276 строки
12 KiB
C++
276 строки
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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#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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class StringOrUnrestrictedDoubleSequence;
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struct DOMPointInit;
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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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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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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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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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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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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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#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) 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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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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#undef GetMatrixMember
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#undef Get3DMatrixMember
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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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#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) 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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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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#undef Set2DMatrixMember
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#undef Set3DMatrixMember
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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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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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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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DOMMatrixReadOnly* SetMatrixValue(const nsAString& aTransformList,
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ErrorResult& aRv);
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void Ensure3DMatrix();
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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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public:
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explicit DOMMatrix(nsISupports* aParent) : DOMMatrixReadOnly(aParent) {}
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DOMMatrix(nsISupports* aParent, const DOMMatrixReadOnly& other)
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: DOMMatrixReadOnly(aParent, other) {}
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DOMMatrix(nsISupports* aParent, const gfx::Matrix4x4& aMatrix)
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: DOMMatrixReadOnly(aParent, aMatrix) {}
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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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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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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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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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