130 lines
5.2 KiB
C++
130 lines
5.2 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_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
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#define INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
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#include <rtl/ref.hxx>
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#include <svx/sdr/animation/scheduler.hxx>
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#include <svx/sdr/overlay/overlayobject.hxx>
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#include <tools/color.hxx>
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#include <tools/gen.hxx>
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#include <svx/svxdllapi.h>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <drawinglayer/geometry/viewinformation2d.hxx>
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#include <salhelper/simplereferenceobject.hxx>
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class OutputDevice;
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class SdrModel;
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namespace vcl { class Region; }
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namespace sdr::overlay {
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class OverlayObject;
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}
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namespace basegfx {
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class B2DRange;
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}
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namespace sdr::overlay
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{
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class SVXCORE_DLLPUBLIC OverlayManager
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: protected sdr::animation::Scheduler
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, public salhelper::SimpleReferenceObject
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{
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private:
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OverlayManager(const OverlayManager&) = delete;
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OverlayManager& operator=(const OverlayManager&) = delete;
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protected:
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// the OutputDevice to work on, set on construction and not to be changed
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OutputDevice& mrOutputDevice;
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// the vector of registered OverlayObjects
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OverlayObjectVector maOverlayObjects;
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// Stripe support. All striped OverlayObjects use these stripe
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// values. Changes change all those objects.
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Color maStripeColorA; // defaults to COL_BLACK
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Color maStripeColorB; // defaults to COL_WHITE
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sal_uInt32 mnStripeLengthPixel; // defaults to 4L
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// hold buffered the logic length of discrete vector (1.0, 0.0) and the
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// view transformation belonging to it. Update happens in getDiscreteOne()
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basegfx::B2DHomMatrix maViewTransformation;
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drawinglayer::geometry::ViewInformation2D maViewInformation2D;
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double mfDiscreteOne;
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// internal
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void ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const;
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void ImpStripeDefinitionChanged();
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void impApplyRemoveActions(OverlayObject& rTarget);
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void impApplyAddActions(OverlayObject& rTarget);
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// return mfDiscreteOne to derivations, but also check for buffered local
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// ViewTransformation and evtl. correct mfDiscreteOne
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double getDiscreteOne() const;
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tools::Rectangle RangeToInvalidateRectangle(const basegfx::B2DRange& rRange) const;
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OverlayManager(OutputDevice& rOutputDevice);
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virtual ~OverlayManager() override;
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public:
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static rtl::Reference<OverlayManager> create(OutputDevice& rOutputDevice);
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// access to current ViewInformation2D; this call checks and evtl. updates ViewInformation2D
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drawinglayer::geometry::ViewInformation2D const & getCurrentViewInformation2D() const;
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// complete redraw
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virtual void completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice = nullptr) const;
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// flush. Do buffered updates.
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virtual void flush();
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// get the OutputDevice
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OutputDevice& getOutputDevice() const { return mrOutputDevice; }
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// add and remove OverlayObjects
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void add(OverlayObject& rOverlayObject);
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void remove(OverlayObject& rOverlayObject);
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// invalidate the given range at local OutputDevice
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virtual void invalidateRange(const basegfx::B2DRange& rRange);
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// stripe support ColA
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const Color& getStripeColorA() const { return maStripeColorA; }
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void setStripeColorA(Color aNew);
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// stripe support ColB
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const Color& getStripeColorB() const { return maStripeColorB; }
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void setStripeColorB(Color aNew);
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// stripe support StripeLengthPixel
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sal_uInt32 getStripeLengthPixel() const { return mnStripeLengthPixel; }
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void setStripeLengthPixel(sal_uInt32 nNew);
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void InsertEvent(sdr::animation::Event& rNew) { Scheduler::InsertEvent(rNew); }
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};
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} // end of namespace sdr::overlay
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#endif // INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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