/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * 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/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_SVX_IACCESSIBLEVIEWFORWARDER_HXX #define INCLUDED_SVX_IACCESSIBLEVIEWFORWARDER_HXX #include namespace accessibility { /**

This interface provides the means to transform between internal coordinates in 100th of mm and screen coordinates without giving direct access to the underlying view. Each view forwarder represents a specific real or virtual window. A call to GetVisibleArea returns the visible rectangle that corresponds to this window.

This interface is similar to the SvxViewForwarder but differs in two important points: Firstly the GetVisArea method returns a rectangle in internal coordinates and secondly the transformation methods do not require explicit mapmodes. These have to be provided implicitly by the classes that implement this interface. A third, less important, difference are the additional transformation methods for sizes. The reasons for their existence are convenience and improved performance.

@attention Note, that modifications of the underlying view that lead to different transformations between internal and screen coordinates or change the validity of the forwarder have to be signaled separately. */ class IAccessibleViewForwarder { public: IAccessibleViewForwarder() = default; IAccessibleViewForwarder(IAccessibleViewForwarder const&) = default; IAccessibleViewForwarder(IAccessibleViewForwarder&&) = default; IAccessibleViewForwarder& operator=(IAccessibleViewForwarder const&) = default; IAccessibleViewForwarder& operator=(IAccessibleViewForwarder&&) = default; virtual ~IAccessibleViewForwarder(){}; /** Returns the area of the underlying document that is visible in the * corresponding window. @return The rectangle of the visible part of the document. The values are, contrary to the base class, in internal coordinates of 100th of mm. */ virtual tools::Rectangle GetVisibleArea() const = 0; /** Transform the specified point from internal coordinates in 100th of mm to an absolute screen position. @param rPoint Point in internal coordinates (100th of mm). @return The same point but in screen coordinates relative to the upper left corner of the (current) screen. */ virtual Point LogicToPixel(const Point& rPoint) const = 0; /** Transform the specified size from internal coordinates in 100th of mm to a screen oriented pixel size. @param rSize Size in internal coordinates (100th of mm). @return The same size but in screen coordinates. */ virtual Size LogicToPixel(const Size& rSize) const = 0; }; } // end of namespace accessibility #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ abora/cp-5.1'>distro/collabora/cp-5.1 LibreOffice 核心代码仓库文档基金会

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Age	Commit message (Expand)	Author
2023-02-21	tdf#152850: Fix bad scoping of MathML frac command	DowwdyJ
2022-10-17	tdf#132293 remove unused imports and variables	Rakielle
2022-08-26	tdf#150489: Drop Elements docking window	Mike Kaganski