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