57 lines
2.2 KiB
C++
57 lines
2.2 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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#ifndef INCLUDED_SW_SOURCE_CORE_INC_PTQUEUE_HXX
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#define INCLUDED_SW_SOURCE_CORE_INC_PTQUEUE_HXX
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/**
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* Unfortunately we have some problems with processing more than one Paint()
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* at a time. This happens especially often during printing.
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*
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* SwRootFrame::PaintSwFrame() determines that it's called a second time and adds the
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* rectangle and the corresponding Shell to the PaintCollector.
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* The call sites that are causing the double Paint() only need to process the
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* collected Paint()s at the right point in time.
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* Doing this during printing (after having printed one page) is very suitable
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* for doing that.
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*
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* Invalidating windows directly from the RootFrame::PaintSwFrame was not a successful
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* approach, because the Paint()s arrive at a very unfavourable point in time.
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* Triggering an update for all windows after printing each page does not seem
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* appropriate either: on the one hand we don't have direct access to the edit
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* windows and on the other hand the updates can become very costly on some
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* platforms.
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*/
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class SwQueuedPaint;
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class SwViewShell;
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class SwRect;
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class SwPaintQueue
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{
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public:
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static SwQueuedPaint* s_pPaintQueue;
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static void Add(SwViewShell* pSh, const SwRect& rNew);
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static void Remove(SwViewShell const* pSh);
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static void Repaint();
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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