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