92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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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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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <svx/IAccessibleViewForwarder.hxx>
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class SdrPaintView;
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class OutputDevice;
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namespace accessibility
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{
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/** <p>This class provides the means to transform between internal coordinates
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and screen coordinates without giving direct access to the underlying
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view. It represents a certain window. A call to
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<method>GetVisArea</method> returns the corresponding visible
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rectangle.</p>
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@attention
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Note, that modifications of the underlying view that lead to
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different transformations between internal and screen coordinates or
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change the validity of the forwarder have to be signaled separately.
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*/
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class AccessibleViewForwarder final : public IAccessibleViewForwarder
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{
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public:
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//===== internal ========================================================
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AccessibleViewForwarder(SdrPaintView* pView, const OutputDevice& rDevice);
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virtual ~AccessibleViewForwarder() override;
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//===== IAccessibleViewforwarder ========================================
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/** Returns the area of the underlying document that is visible in the
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* corresponding window.
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@return
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The rectangle of the visible part of the document.
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*/
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virtual ::tools::Rectangle GetVisibleArea() const override;
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/** Transform the specified point from internal coordinates to an
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absolute screen position.
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@param rPoint
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Point in internal coordinates.
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@return
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The same point but in screen coordinates relative to the upper
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left corner of the (current) screen.
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*/
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virtual Point LogicToPixel(const Point& rPoint) const override;
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/** Transform the specified size from internal coordinates to a screen
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* position.
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@param rSize
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Size in internal coordinates.
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@return
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The same size but in screen coordinates.
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*/
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virtual Size LogicToPixel(const Size& rSize) const override;
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private:
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SdrPaintView* mpView;
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sal_uInt16 mnWindowId;
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AccessibleViewForwarder(AccessibleViewForwarder const&) = delete;
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AccessibleViewForwarder& operator=(AccessibleViewForwarder const&) = delete;
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};
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} // end of namespace accessibility
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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