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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: */
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