Support for XISF
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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/SpinStatus.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_SpinStatus_h
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#define __PCL_SpinStatus_h
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/// \file pcl/SpinStatus.h
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#include <pcl/Defs.h>
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#include <pcl/Console.h>
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#include <pcl/StatusMonitor.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class SpinStatus
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* \brief A status monitoring callback that shows a spinning character
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* animation on the processing console.
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*
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* %SpinStatus is a StatusCallback derived class that generates a <em>spinning
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* character animation</em> on the processing console. The spinning animation
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* consists of successively writing the four - \ | / characters at the same
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* position on the console. This is a classical form of text-based animation
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* that provides a nice feedback to the user while a long process is running.
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*
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* %SpinStatus is suitable for processes where a total <em>status monitoring
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* count</em> cannot be computed in advance. For example, this happens with
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* processes that perform an unpredictable number of iterations while a given
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* contition is not fulfilled. When a status monitoring count is available
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* before running a process, the StandardStatus monitoring class is preferable.
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*
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* %SpinStatus and %StandardStatus are used by all standard PixInsight
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* processes and file formats. Unless a specific module has an extremely good
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* reason to proceed otherwise, we recommend that all modules also use these
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* monitoring classes. This ensures that efficient and coherent feedback is
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* provided to the user on the entire PixInsight platform.
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*
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* As %StandardStatus, %SpinStatus also allows the PixInsight core application
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* to process mouse, keyboard and screen update events. In this way the
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* application's GUI remains responsive in case the user requests aborting
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* or suspending the monitored process.
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*
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* \sa StatusCallback, StatusMonitor, Console, StandardStatus,
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* ProgressBarStatus, MuteStatus
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*/
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class PCL_CLASS SpinStatus : public StatusCallback
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{
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public:
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/*!
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* Constructs a default %SpinStatus object.
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*/
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SpinStatus() = default;
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/*!
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* Copy constructor.
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*/
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SpinStatus( const SpinStatus& x )
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: StatusCallback( x )
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, m_spinCount( x.m_spinCount )
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{
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}
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/*!
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* Move constructor.
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*/
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SpinStatus( SpinStatus&& x )
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: StatusCallback( std::move( x ) )
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, m_console( std::move( x.m_console ) )
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, m_spinCount( x.m_spinCount )
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, m_thread( x.m_thread )
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{
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x.m_thread = nullptr;
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}
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/*!
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* Destroys a %SpinStatus instance.
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*/
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virtual ~SpinStatus()
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{
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}
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/*!
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* Copy assignment operator. Returns a reference to this object.
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*/
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SpinStatus& operator =( const SpinStatus& x )
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{
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(void)StatusCallback::operator =( x );
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m_spinCount = x.m_spinCount;
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return *this;
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}
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/*!
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* Move assignment operator. Returns a reference to this object.
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*/
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SpinStatus& operator =( SpinStatus&& x )
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{
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if ( this != &x )
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{
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(void)StatusCallback::operator =( std::move( x ) );
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m_console = std::move( x.m_console );
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m_spinCount = x.m_spinCount;
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m_thread = x.m_thread;
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x.m_thread = nullptr;
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}
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return *this;
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}
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/*!
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* This function is called by a status monitor object \a m when a new
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* monitored process is about to start.
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*/
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int Initialized( const StatusMonitor& m ) const override;
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/*!
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* Function called by a status monitor object \a m to signal an update of
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* the progress count for the current process.
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*/
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int Updated( const StatusMonitor& m ) const override;
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/*!
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* Function called by a status monitor object \a m to signal that the
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* current process has finished.
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*/
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int Completed( const StatusMonitor& m ) const override;
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/*!
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* Function called by a status monitor object \a m when the progress
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* information for the current process has been changed.
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*/
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void InfoUpdated( const StatusMonitor& m ) const override;
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private:
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mutable pcl::Console m_console;
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mutable unsigned m_spinCount = 0;
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mutable void* m_thread = nullptr;
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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_SpinStatus_h
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// ----------------------------------------------------------------------------
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// EOF pcl/SpinStatus.h - Released 2022-03-12T18:59:29Z
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