/* -*- 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_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX #define INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX #include #include #include #include namespace sdr { namespace overlay { class OverlayManagerBuffered final : public OverlayManager { // The VirtualDevice for draw window content buffering, this // is the view content without overlay ScopedVclPtr mpBufferDevice; // #i73602# The VirtualDevice for OverlayPaint buffering. This // is an extra device to avoid flickering of overlay paints ScopedVclPtr mpOutputBufferDevice; // Idle for buffering Idle maBufferIdle; // Range for buffering (in pixel to be independent from mapMode) basegfx::B2IRange maBufferRememberedRangePixel; // link for timer DECL_LINK(ImpBufferTimerHandler, Timer*, void); // Internal methods for buffering void ImpPrepareBufferDevice(); void ImpRestoreBackground() const ; void ImpRestoreBackground(const vcl::Region& rRegionPixel) const; void ImpSaveBackground(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice); OverlayManagerBuffered(OutputDevice& rOutputDevice); virtual ~OverlayManagerBuffered() override; public: static rtl::Reference create(OutputDevice& rOutputDevice); // complete redraw virtual void completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice = nullptr) const override; // flush. Do buffered updates. virtual void flush() override; // invalidate the given range at local OutputDevice virtual void invalidateRange(const basegfx::B2DRange& rRange) override; }; } // end of namespace overlay } // end of namespace sdr #endif // INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */