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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
      21             : #define INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
      22             : 
      23             : #include <rtl/ref.hxx>
      24             : #include <svx/sdr/animation/scheduler.hxx>
      25             : #include <svx/sdr/overlay/overlayobject.hxx>
      26             : #include <vcl/mapmod.hxx>
      27             : #include <tools/color.hxx>
      28             : #include <tools/gen.hxx>
      29             : #include <svx/svxdllapi.h>
      30             : #include <svtools/optionsdrawinglayer.hxx>
      31             : #include <basegfx/matrix/b2dhommatrix.hxx>
      32             : #include <drawinglayer/geometry/viewinformation2d.hxx>
      33             : #include <salhelper/simplereferenceobject.hxx>
      34             : 
      35             : class OutputDevice;
      36             : class SdrModel;
      37             : namespace vcl { class Region; }
      38             : 
      39             : namespace sdr { namespace overlay {
      40             :     class OverlayObject;
      41             : }}
      42             : 
      43             : namespace basegfx {
      44             :     class B2DRange;
      45             : }
      46             : 
      47             : namespace sdr
      48             : {
      49             :     namespace overlay
      50             :     {
      51             :         class SVX_DLLPUBLIC OverlayManager
      52             :             : protected sdr::animation::Scheduler
      53             :             , public salhelper::SimpleReferenceObject
      54             :         {
      55             :         private:
      56             :             OverlayManager(const OverlayManager&) SAL_DELETED_FUNCTION;
      57             :             OverlayManager& operator=(const OverlayManager&) SAL_DELETED_FUNCTION;
      58             : 
      59             :         protected:
      60             :             // the OutputDevice to work on, set on construction and not to be changed
      61             :             OutputDevice&                               mrOutputDevice;
      62             :             const SdrModel*                             mpModel;
      63             : 
      64             :             // the vector of registered OverlayObjects
      65             :             OverlayObjectVector                         maOverlayObjects;
      66             : 
      67             :             // Stripe support. All striped OverlayObjects use these stripe
      68             :             // values. Changes change all those objects.
      69             :             Color                                       maStripeColorA; // defaults to Color(COL_BLACK)
      70             :             Color                                       maStripeColorB; // defaults to Color(COL_WHITE)
      71             :             sal_uInt32                                  mnStripeLengthPixel; // defaults to 4L
      72             : 
      73             :             // hold an incarnation of Drawinglayer configuration options
      74             :             SvtOptionsDrawinglayer                      maDrawinglayerOpt;
      75             : 
      76             :             // hold buffered the logic length of discrete vector (1.0, 0.0) and the
      77             :             // view transformation belonging to it. Update happens in getDiscreteOne()
      78             :             basegfx::B2DHomMatrix                       maViewTransformation;
      79             :             drawinglayer::geometry::ViewInformation2D   maViewInformation2D;
      80             :             double                                      mfDiscreteOne;
      81             : 
      82             :             // internal
      83             :             void ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const;
      84             :             void ImpStripeDefinitionChanged();
      85             :             void impApplyRemoveActions(OverlayObject& rTarget);
      86             :             void impApplyAddActions(OverlayObject& rTarget);
      87             : 
      88             :             // return mfDiscreteOne to derivations, but also check for buffered local
      89             :             // ViewTransformation and evtl. correct mfDiscreteOne
      90             :             double getDiscreteOne() const;
      91             : 
      92             :             OverlayManager(OutputDevice& rOutputDevice, const SdrModel* pModel);
      93             :             virtual ~OverlayManager();
      94             : 
      95             :         public:
      96             :             static rtl::Reference<OverlayManager> create(OutputDevice& rOutputDevice, const SdrModel* pModel);
      97             : 
      98             :             // access to current ViewInformation2D; this call checks and evtl. updates ViewInformation2D
      99             :             const drawinglayer::geometry::ViewInformation2D getCurrentViewInformation2D() const;
     100             : 
     101             :             // complete redraw
     102             :             virtual void completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice = 0) const;
     103             : 
     104             :             // flush. Do buffered updates.
     105             :             virtual void flush();
     106             : 
     107             :             // #i68597# part of content gets copied, react on it
     108             :             virtual void copyArea(const Point& rDestPt, const Point& rSrcPt, const Size& rSrcSize);
     109             : 
     110             :             // restore part of background. Implemented form buffered versions only.
     111             :             virtual void restoreBackground(const vcl::Region& rRegion) const;
     112             : 
     113             :             // get the OutputDevice
     114      107947 :             OutputDevice& getOutputDevice() const { return mrOutputDevice; }
     115             :             // Get the draw model.
     116         126 :             const SdrModel* getModel() const { return mpModel; }
     117             : 
     118             :             // add and remove OverlayObjects
     119             :             void add(OverlayObject& rOverlayObject);
     120             :             void remove(OverlayObject& rOverlayObject);
     121             : 
     122             :             // invalidate the given range at local OutputDevice
     123             :             virtual void invalidateRange(const basegfx::B2DRange& rRange);
     124             : 
     125             :             // stripe support ColA
     126           0 :             Color getStripeColorA() const { return maStripeColorA; }
     127             :             void setStripeColorA(Color aNew= Color(COL_BLACK));
     128             : 
     129             :             // stripe support ColB
     130           0 :             Color getStripeColorB() const { return maStripeColorB; }
     131             :             void setStripeColorB(Color aNew = Color(COL_WHITE));
     132             : 
     133             :             // stripe support StripeLengthPixel
     134           0 :             sal_uInt32 getStripeLengthPixel() const { return mnStripeLengthPixel; }
     135             :             void setStripeLengthPixel(sal_uInt32 nNew = 5L);
     136             : 
     137             :             // access to maDrawinglayerOpt
     138        4104 :             const SvtOptionsDrawinglayer& getDrawinglayerOpt() const { return maDrawinglayerOpt; }
     139             : 
     140          12 :             void InsertEvent(sdr::animation::Event* pNew) { Scheduler::InsertEvent(pNew); }
     141             :         };
     142             :     } // end of namespace overlay
     143             : } // end of namespace sdr
     144             : 
     145             : #endif // INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
     146             : 
     147             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */