/* -*- 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; namespace mozilla { namespace dom { struct BoxQuadOptions; struct ConvertCoordinateOptions; class DOMQuad; class DOMRectReadOnly; class DOMPoint; struct DOMPointInit; class OwningTextOrElementOrDocument; class TextOrElementOrDocument; } // namespace dom 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<RefPtr<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); } // namespace mozilla #endif /* MOZILLA_GEOMETRYUTILS_H_ */