gecko-dev/dom/base/DOMQuad.h

90 строки
3.0 KiB
C++

/* -*- 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_DOMQUAD_H_
#define MOZILLA_DOMQUAD_H_
#include <cstdint>
#include "Units.h"
#include "js/TypeDecls.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "mozilla/RefPtr.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsWrapperCache.h"
class JSObject;
class nsIGlobalObject;
struct JSContext;
struct JSStructuredCloneReader;
struct JSStructuredCloneWriter;
namespace mozilla::dom {
class DOMRectReadOnly;
class DOMPoint;
class GlobalObject;
struct DOMPointInit;
struct DOMQuadInit;
struct DOMRectInit;
class DOMQuad final : public nsWrapperCache {
~DOMQuad();
public:
DOMQuad(nsISupports* aParent, CSSPoint aPoints[4]);
explicit DOMQuad(nsISupports* aParent);
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMQuad)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMQuad)
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<DOMQuad> FromRect(const GlobalObject& aGlobal,
const DOMRectInit& aInit);
static already_AddRefed<DOMQuad> FromQuad(const GlobalObject& aGlobal,
const DOMQuadInit& aInit);
static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,
const DOMPointInit& aP1,
const DOMPointInit& aP2,
const DOMPointInit& aP3,
const DOMPointInit& aP4);
static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,
const DOMRectReadOnly& aRect);
already_AddRefed<DOMRectReadOnly> GetBounds() const;
DOMPoint* P1() const { return mPoints[0]; }
DOMPoint* P2() const { return mPoints[1]; }
DOMPoint* P3() const { return mPoints[2]; }
DOMPoint* P4() const { return mPoints[3]; }
DOMPoint* Point(uint32_t aIndex) const { return mPoints[aIndex]; }
bool WriteStructuredClone(JSContext* aCx,
JSStructuredCloneWriter* aWriter) const;
static already_AddRefed<DOMQuad> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
protected:
void GetHorizontalMinMax(double* aX1, double* aX2) const;
void GetVerticalMinMax(double* aY1, double* aY2) const;
nsCOMPtr<nsISupports> mParent;
RefPtr<DOMPoint> mPoints[4];
};
} // namespace mozilla::dom
#endif /*MOZILLA_DOMRECT_H_*/