1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef MOZILLA_GEOMETRYUTILS_H_ 8 #define MOZILLA_GEOMETRYUTILS_H_ 9 10 #include "mozilla/ErrorResult.h" 11 #include "nsTArray.h" 12 #include "nsCOMPtr.h" 13 14 /** 15 * This file defines utility functions for converting between layout 16 * coordinate systems. 17 */ 18 19 class nsINode; 20 21 namespace mozilla { 22 23 namespace dom { 24 struct BoxQuadOptions; 25 struct ConvertCoordinateOptions; 26 class DOMQuad; 27 class DOMRectReadOnly; 28 class DOMPoint; 29 struct DOMPointInit; 30 class OwningTextOrElementOrDocument; 31 class TextOrElementOrDocument; 32 enum class CallerType : uint32_t; 33 } // namespace dom 34 35 typedef dom::TextOrElementOrDocument GeometryNode; 36 typedef dom::OwningTextOrElementOrDocument OwningGeometryNode; 37 38 /** 39 * Computes quads for aNode using aOptions, according to 40 * GeometryUtils.getBoxQuads. May set an error in aRv. 41 */ 42 void GetBoxQuads(nsINode* aNode, const dom::BoxQuadOptions& aOptions, 43 nsTArray<RefPtr<dom::DOMQuad> >& aResult, 44 dom::CallerType aCallerType, ErrorResult& aRv); 45 46 already_AddRefed<dom::DOMQuad> ConvertQuadFromNode( 47 nsINode* aTo, dom::DOMQuad& aQuad, const GeometryNode& aFrom, 48 const dom::ConvertCoordinateOptions& aOptions, dom::CallerType aCallerType, 49 ErrorResult& aRv); 50 51 already_AddRefed<dom::DOMQuad> ConvertRectFromNode( 52 nsINode* aTo, dom::DOMRectReadOnly& aRect, const GeometryNode& aFrom, 53 const dom::ConvertCoordinateOptions& aOptions, dom::CallerType aCallerType, 54 ErrorResult& aRv); 55 56 already_AddRefed<dom::DOMPoint> ConvertPointFromNode( 57 nsINode* aTo, const dom::DOMPointInit& aPoint, const GeometryNode& aFrom, 58 const dom::ConvertCoordinateOptions& aOptions, dom::CallerType aCallerType, 59 ErrorResult& aRv); 60 61 } // namespace mozilla 62 63 #endif /* MOZILLA_GEOMETRYUTILS_H_ */ 64