1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/GeometryUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,66 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef MOZILLA_GEOMETRYUTILS_H_
1.10 +#define MOZILLA_GEOMETRYUTILS_H_
1.11 +
1.12 +#include "mozilla/ErrorResult.h"
1.13 +#include "nsTArray.h"
1.14 +#include "nsCOMPtr.h"
1.15 +
1.16 +/**
1.17 + * This file defines utility functions for converting between layout
1.18 + * coordinate systems.
1.19 + */
1.20 +
1.21 +class nsINode;
1.22 +class nsIDocument;
1.23 +
1.24 +namespace mozilla {
1.25 +
1.26 +namespace dom {
1.27 +struct BoxQuadOptions;
1.28 +struct ConvertCoordinateOptions;
1.29 +class DOMQuad;
1.30 +class DOMRectReadOnly;
1.31 +class DOMPoint;
1.32 +class DOMPointInit;
1.33 +class OwningTextOrElementOrDocument;
1.34 +class TextOrElementOrDocument;
1.35 +}
1.36 +
1.37 +typedef dom::TextOrElementOrDocument GeometryNode;
1.38 +typedef dom::OwningTextOrElementOrDocument OwningGeometryNode;
1.39 +
1.40 +/**
1.41 + * Computes quads for aNode using aOptions, according to GeometryUtils.getBoxQuads.
1.42 + * May set an error in aRv.
1.43 + */
1.44 +void GetBoxQuads(nsINode* aNode,
1.45 + const dom::BoxQuadOptions& aOptions,
1.46 + nsTArray<nsRefPtr<dom::DOMQuad> >& aResult,
1.47 + ErrorResult& aRv);
1.48 +
1.49 +already_AddRefed<dom::DOMQuad>
1.50 +ConvertQuadFromNode(nsINode* aTo, dom::DOMQuad& aQuad,
1.51 + const GeometryNode& aFrom,
1.52 + const dom::ConvertCoordinateOptions& aOptions,
1.53 + ErrorResult& aRv);
1.54 +
1.55 +already_AddRefed<dom::DOMQuad>
1.56 +ConvertRectFromNode(nsINode* aTo, dom::DOMRectReadOnly& aRect,
1.57 + const GeometryNode& aFrom,
1.58 + const dom::ConvertCoordinateOptions& aOptions,
1.59 + ErrorResult& aRv);
1.60 +
1.61 +already_AddRefed<dom::DOMPoint>
1.62 +ConvertPointFromNode(nsINode* aTo, const dom::DOMPointInit& aPoint,
1.63 + const GeometryNode& aFrom,
1.64 + const dom::ConvertCoordinateOptions& aOptions,
1.65 + ErrorResult& aRv);
1.66 +
1.67 +}
1.68 +
1.69 +#endif /* MOZILLA_GEOMETRYUTILS_H_ */
