Support for XISF
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Vendored
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// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/Timer.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_Timer_h
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#define __PCL_Timer_h
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/// \file pcl/Timer.h
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#include <pcl/Defs.h>
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#include <pcl/Control.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class Timer
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* \brief Client-side interface to a PixInsight %Timer object.
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*
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* A %Timer object can work in two ways:
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*
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* \li As a <em>periodic timer</em>, which generates a sequence of timer events
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* at regular time intervals.
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*
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* \li As a <em>single-shot timer</em>, which generates a single timer event
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* after a prescribed time interval.
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*
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* ### TODO: Write a detailed description for %Timer.
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*/
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class PCL_CLASS Timer : public UIObject
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{
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public:
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/*!
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* Constructs a %Timer object.
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*/
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Timer();
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/*!
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* Destroys a %Timer object.
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*/
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virtual ~Timer()
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{
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}
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/*!
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* Ensures that the server-side object managed by this instance is uniquely
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* referenced.
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*
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* Since timers are unique objects by definition, calling this member
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* function has no effect.
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*/
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void EnsureUnique() override
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{
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// Timers are unique objects by definition
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}
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/*!
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* Returns a reference to a null %Timer instance. A null %Timer does not
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* correspond to an existing timer in the PixInsight core application.
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*/
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static Timer& Null();
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/*!
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* Returns the timer interval in seconds.
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*/
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double Interval() const;
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/*!
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* Sets the timer interval in seconds.
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*/
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void SetInterval( double seconds );
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/*!
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* Returns true iff this is a single-shot timer.
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*/
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bool IsSingleShot() const;
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/*!
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* Returns true iff this is a periodic timer.
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*
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* This is a convenience member function, equivalent to
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* !IsSingleShot()
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*/
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bool IsPeriodic() const
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{
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return !IsSingleShot();
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}
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/*!
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* Enables or disables single-shot mode for this %Timer object.
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*/
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void SetSingleShot( bool = true );
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/*!
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* Enables or disables periodic mode for this %Timer object.
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*/
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void SetPeriodic( bool p = true )
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{
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SetSingleShot( !p );
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}
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/*!
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* Returns true iff this %Timer object is active. An active timer is
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* generating timer events.
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*/
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bool IsRunning() const;
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/*!
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* Activates this %Timer object. Starts generation of timer event(s).
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*/
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void Start();
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/*!
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* Stops this %Timer object, if it is currently active.
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*/
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void Stop();
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/*!
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* Returns the number of timer events generated after the last call to
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* Start().
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*/
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unsigned Count() const
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{
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return count;
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}
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// -------------------------------------------------------------------------
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// Event handlers
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//
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// void OnTimer( Timer& sender );
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/*!
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* \defgroup timer_event_handlers Timer Event Handlers
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*/
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/*!
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* Defines the prototype of a <em>timer event handler</em>.
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*
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* A timer event is generated by an active %Timer object, either at regular
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* intervals (periodic timer), or just once when the timer period elapses
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* (single-shot timer).
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*
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* \param sender The control that sends a timer event.
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*
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* \ingroup timer_event_handlers
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*/
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typedef void (Control::*timer_event_handler)( Timer& sender );
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/*!
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* Sets the timer event handler for this %Timer object.
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*
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* \param handler The timer event handler. Must be a member function of
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* the receiver object's class.
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*
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* \param receiver The control that will receive timer events from this
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* %Timer.
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*
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* \ingroup timer_event_handlers
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*/
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void OnTimer( timer_event_handler handler, Control& receiver );
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private:
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timer_event_handler onTimer = nullptr;
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unsigned count = 0;
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Timer( void* h ) : UIObject( h )
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{
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}
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void* CloneHandle() const override;
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friend class TimerEventDispatcher;
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#endif // __PCL_Timer_h
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// ----------------------------------------------------------------------------
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// EOF pcl/Timer.h - Released 2022-03-12T18:59:29Z
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