/* -*- 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 <cstring>
#include <utility>
#include "js/RootingAPI.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/gfx/Matrix.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsStringFwd.h"
#include "nsWrapperCache.h"
class JSObject;
class nsIGlobalObject;
struct JSContext;
struct JSStructuredCloneReader;
struct JSStructuredCloneWriter;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
class DOMMatrix;
class DOMPoint;
template <
typename T>
class Optional;
class UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly;
struct DOMPointInit;
struct DOMMatrixInit;
struct DOMMatrix2DInit;
class DOMMatrixReadOnly :
public nsWrapperCache {
public:
explicit DOMMatrixReadOnly(nsISupports* aParent)
: mParent(aParent), mMatrix2D(
new gfx::MatrixDouble()) {}
DOMMatrixReadOnly(nsISupports* aParent,
const DOMMatrixReadOnly& other)
: mParent(aParent) {
if (other.mMatrix2D) {
mMatrix2D = MakeUnique<gfx::MatrixDouble>(*other.mMatrix2D);
}
else {
mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(*other.mMatrix3D);
}
}
DOMMatrixReadOnly(nsISupports* aParent,
const gfx::Matrix4x4& aMatrix)
: mParent(aParent) {
mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(aMatrix);
}
DOMMatrixReadOnly(nsISupports* aParent,
const gfx::Matrix& aMatrix)
: mParent(aParent) {
mMatrix2D = MakeUnique<gfx::MatrixDouble>(aMatrix);
}
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMMatrixReadOnly)
NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(DOMMatrixReadOnly)
nsISupports* GetParentObject()
const {
return mParent; }
virtual JSObject* WrapObject(JSContext* cx,
JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<DOMMatrixReadOnly> FromMatrix(
nsISupports* aParent,
const DOMMatrix2DInit& aMatrixInit,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromMatrix(
nsISupports* aParent,
const DOMMatrixInit& aMatrixInit, ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromMatrix(
const GlobalObject& aGlobal,
const DOMMatrixInit& aMatrixInit,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromFloat32Array(
const GlobalObject& aGlobal,
const Float32Array& aArray32,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> FromFloat64Array(
const GlobalObject& aGlobal,
const Float64Array& aArray64,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> Constructor(
const GlobalObject& aGlobal,
const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
aArg,
ErrorResult& aRv);
static already_AddRefed<DOMMatrixReadOnly> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
// clang-format off
#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)
;
// semi-colon here to get clang-format to align properly from here on
#undef Set2DMatrixMember
#undef Set3DMatrixMember
// clang-format on
already_AddRefed<DOMMatrix> Translate(
double aTx,
double aTy,
double aTz = 0)
const;
already_AddRefed<DOMMatrix> Scale(
double aScaleX,
const Optional<
double>& aScaleY,
double aScaleZ,
double aOriginX,
double aOriginY,
double aOriginZ)
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)
const;
already_AddRefed<DOMMatrix> Rotate(
double aRotX,
const Optional<
double>& aRotY,
const Optional<
double>& aRotZ)
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 DOMMatrixInit& aOther,
ErrorResult& aRv)
const;
already_AddRefed<DOMMatrix> FlipX()
const;
already_AddRefed<DOMMatrix> FlipY()
const;
already_AddRefed<DOMMatrix> Inverse()
const;
bool Is2D()
const;
bool IsIdentity()
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, ErrorResult& aRv);
bool WriteStructuredClone(JSContext* aCx,
JSStructuredCloneWriter* aWriter)
const;
const gfx::MatrixDouble* GetInternal2D()
const {
if (Is2D()) {
return mMatrix2D.get();
}
return nullptr;
}
protected:
nsCOMPtr<nsISupports> mParent;
UniquePtr<gfx::MatrixDouble> mMatrix2D;
UniquePtr<gfx::Matrix4x4Double> mMatrix3D;
virtual ~DOMMatrixReadOnly() =
default;
/**
* Sets data from a fully validated and fixed-up matrix init,
* where all of its members are properly defined.
* The init dictionary's dimension must match the matrix one.
*/
void SetDataFromMatrix2DInit(
const DOMMatrix2DInit& aMatrixInit);
void SetDataFromMatrixInit(
const DOMMatrixInit& aMatrixInit);
DOMMatrixReadOnly* SetMatrixValue(
const nsACString&, ErrorResult&);
void Ensure3DMatrix();
DOMMatrixReadOnly(nsISupports* aParent,
bool is2D)
: DOMMatrixReadOnly(do_AddRef(aParent), is2D) {}
DOMMatrixReadOnly(already_AddRefed<nsISupports>&& aParent,
bool is2D)
: mParent(std::move(aParent)) {
if (is2D) {
mMatrix2D = MakeUnique<gfx::MatrixDouble>();
}
else {
mMatrix3D = MakeUnique<gfx::Matrix4x4Double>();
}
}
static bool ReadStructuredCloneElements(JSStructuredCloneReader* aReader,
DOMMatrixReadOnly* matrix);
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) {}
DOMMatrix(nsISupports* aParent,
const gfx::Matrix& aMatrix)
: DOMMatrixReadOnly(aParent, aMatrix) {}
static already_AddRefed<DOMMatrix> FromMatrix(
nsISupports* aParent,
const DOMMatrixInit& aMatrixInit, ErrorResult& aRv);
static already_AddRefed<DOMMatrix> FromMatrix(
const GlobalObject& aGlobal,
const DOMMatrixInit& aMatrixInit,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> FromFloat32Array(
const GlobalObject& aGlobal,
const Float32Array& aArray32,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> FromFloat64Array(
const GlobalObject& aGlobal,
const Float64Array& aArray64,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> Constructor(
const GlobalObject& aGlobal,
const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
aArg,
ErrorResult& aRv);
static already_AddRefed<DOMMatrix> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
DOMMatrix* MultiplySelf(
const DOMMatrixInit& aOther, ErrorResult& aRv);
DOMMatrix* PreMultiplySelf(
const DOMMatrixInit& aOther, ErrorResult& aRv);
DOMMatrix* TranslateSelf(
double aTx,
double aTy,
double aTz = 0);
DOMMatrix* ScaleSelf(
double aScaleX,
const Optional<
double>& aScaleY,
double aScaleZ,
double aOriginX,
double aOriginY,
double aOriginZ);
DOMMatrix* Scale3dSelf(
double aScale,
double aOriginX = 0,
double aOriginY = 0,
double aOriginZ = 0);
DOMMatrix* RotateSelf(
double aRotX,
const Optional<
double>& aRotY,
const Optional<
double>& aRotZ);
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 nsACString&, ErrorResult&);
virtual ~DOMMatrix() =
default;
private:
DOMMatrix(nsISupports* aParent,
bool is2D)
: DOMMatrixReadOnly(aParent, is2D) {}
DOMMatrix(already_AddRefed<nsISupports>&& aParent,
bool is2D)
: DOMMatrixReadOnly(std::move(aParent), is2D) {}
};
}
// namespace dom
}
// namespace mozilla
#endif /*MOZILLA_DOM_DOMMATRIX_H_*/