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tenfourfox/dom/base/DOMMatrix.h

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/* -*- 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 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);
}
}
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMMatrixReadOnly)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMMatrixReadOnly)
#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
already_AddRefed<DOMMatrix> Translate(double aTx,
double aTy,
double aTz = 0) const;
already_AddRefed<DOMMatrix> Scale(double aScale,
double aOriginX = 0,
double aOriginY = 0) const;
already_AddRefed<DOMMatrix> Scale3d(double aScale,
double aOriginX = 0,
double aOriginY = 0,
double aOriginZ = 0) const;
already_AddRefed<DOMMatrix> ScaleNonUniform(double aScaleX,
double aScaleY = 1.0,
double aScaleZ = 1.0,
double aOriginX = 0,
double aOriginY = 0,
double aOriginZ = 0) const;
already_AddRefed<DOMMatrix> Rotate(double aAngle,
double aOriginX = 0,
double aOriginY = 0) const;
already_AddRefed<DOMMatrix> RotateFromVector(double aX,
double aY) const;
already_AddRefed<DOMMatrix> RotateAxisAngle(double aX,
double aY,
double aZ,
double aAngle) const;
already_AddRefed<DOMMatrix> SkewX(double aSx) const;
already_AddRefed<DOMMatrix> SkewY(double aSy) const;
already_AddRefed<DOMMatrix> Multiply(const DOMMatrix& aOther) const;
already_AddRefed<DOMMatrix> FlipX() const;
already_AddRefed<DOMMatrix> FlipY() const;
already_AddRefed<DOMMatrix> Inverse() const;
bool Is2D() const;
bool Identity() const;
already_AddRefed<DOMPoint> TransformPoint(const DOMPointInit& aPoint) const;
void ToFloat32Array(JSContext* aCx,
JS::MutableHandle<JSObject*> aResult,
ErrorResult& aRv) const;
void ToFloat64Array(JSContext* aCx,
JS::MutableHandle<JSObject*> aResult,
ErrorResult& aRv) const;
void Stringify(nsAString& aResult);
protected:
nsCOMPtr<nsISupports> mParent;
nsAutoPtr<gfx::Matrix> mMatrix2D;
nsAutoPtr<gfx::Matrix4x4> mMatrix3D;
virtual ~DOMMatrixReadOnly() {}
private:
DOMMatrixReadOnly() = delete;
DOMMatrixReadOnly(const DOMMatrixReadOnly&) = delete;
DOMMatrixReadOnly& operator=(const DOMMatrixReadOnly&) = delete;
};
class DOMMatrix final : public DOMMatrixReadOnly
{
public:
explicit DOMMatrix(nsISupports* aParent)
: DOMMatrixReadOnly(aParent)
{}
DOMMatrix(nsISupports* aParent, const DOMMatrixReadOnly& other)
: DOMMatrixReadOnly(aParent, other)
{}
static already_AddRefed<DOMMatrix>
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
static already_AddRefed<DOMMatrix>
Constructor(const GlobalObject& aGlobal, const nsAString& aTransformList, ErrorResult& aRv);
static already_AddRefed<DOMMatrix>
Constructor(const GlobalObject& aGlobal, const DOMMatrixReadOnly& aOther, ErrorResult& aRv);
static already_AddRefed<DOMMatrix>
Constructor(const GlobalObject& aGlobal, const Float32Array& aArray32, ErrorResult& aRv);
static already_AddRefed<DOMMatrix>
Constructor(const GlobalObject& aGlobal, const Float64Array& aArray64, ErrorResult& aRv);
static already_AddRefed<DOMMatrix>
Constructor(const GlobalObject& aGlobal, const Sequence<double>& aNumberSequence, ErrorResult& aRv);
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
#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
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);
private:
void Ensure3DMatrix();
};
} // namespace dom
} // namespace mozilla
#endif /*MOZILLA_DOM_DOMMATRIX_H_*/
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