зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.0 KiB
C++
67 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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_GEOMETRYUTILS_H_
|
|
#define MOZILLA_GEOMETRYUTILS_H_
|
|
|
|
#include "mozilla/ErrorResult.h"
|
|
#include "nsTArray.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
/**
|
|
* This file defines utility functions for converting between layout
|
|
* coordinate systems.
|
|
*/
|
|
|
|
class nsINode;
|
|
class nsIDocument;
|
|
|
|
namespace mozilla {
|
|
|
|
namespace dom {
|
|
struct BoxQuadOptions;
|
|
struct ConvertCoordinateOptions;
|
|
class DOMQuad;
|
|
class DOMRectReadOnly;
|
|
class DOMPoint;
|
|
class DOMPointInit;
|
|
class OwningTextOrElementOrDocument;
|
|
class TextOrElementOrDocument;
|
|
}
|
|
|
|
typedef dom::TextOrElementOrDocument GeometryNode;
|
|
typedef dom::OwningTextOrElementOrDocument OwningGeometryNode;
|
|
|
|
/**
|
|
* Computes quads for aNode using aOptions, according to GeometryUtils.getBoxQuads.
|
|
* May set an error in aRv.
|
|
*/
|
|
void GetBoxQuads(nsINode* aNode,
|
|
const dom::BoxQuadOptions& aOptions,
|
|
nsTArray<nsRefPtr<dom::DOMQuad> >& aResult,
|
|
ErrorResult& aRv);
|
|
|
|
already_AddRefed<dom::DOMQuad>
|
|
ConvertQuadFromNode(nsINode* aTo, dom::DOMQuad& aQuad,
|
|
const GeometryNode& aFrom,
|
|
const dom::ConvertCoordinateOptions& aOptions,
|
|
ErrorResult& aRv);
|
|
|
|
already_AddRefed<dom::DOMQuad>
|
|
ConvertRectFromNode(nsINode* aTo, dom::DOMRectReadOnly& aRect,
|
|
const GeometryNode& aFrom,
|
|
const dom::ConvertCoordinateOptions& aOptions,
|
|
ErrorResult& aRv);
|
|
|
|
already_AddRefed<dom::DOMPoint>
|
|
ConvertPointFromNode(nsINode* aTo, const dom::DOMPointInit& aPoint,
|
|
const GeometryNode& aFrom,
|
|
const dom::ConvertCoordinateOptions& aOptions,
|
|
ErrorResult& aRv);
|
|
|
|
}
|
|
|
|
#endif /* MOZILLA_GEOMETRYUTILS_H_ */
|