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/Process.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_Process_h
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#define __PCL_Process_h
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/// \file pcl/Process.h
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#include <pcl/Defs.h>
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#include <pcl/AutoPointer.h>
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#include <pcl/ProcessBase.h>
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#include <pcl/ProcessParameter.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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class ProcessPrivate;
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/*!
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* \class Process
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* \brief High-level interface to an installed process.
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*
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* %Process instances are high-level, managed objects that represent
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* installed processes in the PixInsight platform. A module creates an
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* instance of %Process to gain access to an installed process through
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* <em>intermodule communication</em>.
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*
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* <b>%Process and %MetaProcess</b>
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*
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* %Process provides a description of the functionality and properties of an
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* <em>already installed</em> process. Contrarily, by subclassing the
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* MetaProcess class a module can define and implement a new process that can
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* be installed in the PixInsight platform. %MetaProcess is a formal
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* description of a process, while %Process describes an existing (and
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* installed) process.
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*
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* As a %MetaProcess subclass describes how a process can be instantiated,
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* %Process allows a module to create new instances of a process that can be
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* edited and executed. %Process does not provide any process execution
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* functionality; executable processes are represented by the ProcessInstance
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* class.
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*
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* \sa ProcessBase, MetaProcess, ProcessInstance
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*/
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class PCL_CLASS Process : public ProcessBase
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{
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public:
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/*!
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* A list of process parameters.
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*
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* This type is returned by the Parameters() member function to describe and
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* identify the set of parameters of a process.
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*/
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typedef Array<ProcessParameter> parameter_list;
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/*!
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* Constructs a %Process object.
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*
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* \param classId Identifier of an installed process in the PixInsight
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* core application.
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*
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* If successful, this constructor creates a managed alias to an installed
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* process in the PixInsight core application.
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*
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* If there is no installed process with the specified identifier, if
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* \a classId is not a valid identifier, or if the alias object cannot be
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* generated for some reason, this constructor throws an Error exception
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* with the corresponding error message. Your code should guarantee that
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* these exceptions are always caught and handled appropriately.
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*/
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Process( const IsoString& classId );
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Process( const IsoString::ustring_base& classId )
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: Process( IsoString( classId ) )
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{
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}
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/*!
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* Copy constructor. Constructs an \e alias %Process object that refers to
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* the same process as the specified object \a proc.
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*/
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Process( const Process& proc );
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/*!
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* Destroys this %Process object.
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*
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* \note This destructor does not destroy or uninstall the actual process it
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* refers to, which is part of the PixInsight core application. Only the
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* managed alias object living in the caller module is destroyed.
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*/
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virtual ~Process();
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/*!
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*/
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IsoString Id() const override;
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/*!
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* Returns a list of alias identifiers for this process.
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*
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* A process can have one or more <em>alias identifiers</em>. Aliases are
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* useful to maintain compatibility with previous versions of a process.
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*
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* When the PixInsight core application imports a process instance (e.g.,
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* from a process icon) it automatically replaces alias process identifiers
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* with actual (current) identifiers. This allows a developer to change the
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* identifier of a process without breaking compatibility with process
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* instances in existing icon collections or projects.
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*
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* The returned object is a list of distinct identifiers that are treated as
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* synonyms to the actual identifier of this process, which is returned by
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* the Id() member function. Two installed processes can't have the same
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* alias, so each identifier included in the returned list must be unique
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* among all installed processes on the entire PixInsight platform.
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*/
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IsoStringList Aliases() const;
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/*!
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* Returns the identifiers of one or more categories to which this process
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* belongs.
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*
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* Processes are organized hierarchically by categories in PixInsight. All
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* installed processes appear classified by their categories on the %Process
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* Explorer window, and also under the %Process main menu item.
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*
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* This function returns a list of category names. Each category name must
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* be a valid C identifier. If the returned list is empty, then this process
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* is not associated with any particular category. In such case this process
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* appears under a special, fallback pseudo-category identified as
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* <Etc> on both the %Process Explorer window and the %Process main
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* menu item.
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*/
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IsoStringList Categories() const;
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/*!
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*/
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uint32 Version() const override;
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/*!
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*/
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String Description() const override;
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/*!
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*/
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String ScriptComment() const override;
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/*!
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*/
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Bitmap Icon() const override;
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/*!
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*/
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Bitmap SmallIcon() const override;
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/*!
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*/
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bool CanProcessViews() const override;
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/*!
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*/
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bool CanProcessGlobal() const override;
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/*!
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*/
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bool CanProcessImages() const override;
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/*!
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*/
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bool CanProcessCommandLines() const override;
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/*!
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*/
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bool CanEditPreferences() const override;
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/*!
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*/
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bool CanBrowseDocumentation() const override;
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/*!
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*/
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bool IsAssignable() const override;
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/*!
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*/
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bool NeedsInitialization() const override;
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/*!
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*/
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bool NeedsValidation() const override;
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/*!
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*/
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bool PrefersGlobalExecution() const override;
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/*!
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*/
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bool EditPreferences() const override;
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/*!
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*/
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bool BrowseDocumentation() const override;
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/*!
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* Invokes the command line execution routine for this process.
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*
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* \param arguments A string with the list of arguments that will be passed
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* to the command line execution routine. Multiple
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* arguments must be separated with white space characters.
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*
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* If this process supports command line execution, then the corresponding
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* command line execution routine is invoked with the specified arguments.
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* Otherwise, this member function calls Launch(), and the specified command
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* line arguments are ignored.
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*
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* On the PixInsight platform, command line option arguments are customarily
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* specified with leading dash characters, following the common UNIX style.
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* Argument values are separated with equal signs. However, command line
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* syntax and the meaning of each argument are specific to each process.
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*
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* This function returns the exit code of the command line execution routine
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* of the process. By convention, exit code zero means successful execution,
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* and nonzero exit codes are returned to signal errors.
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*/
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int RunCommandLine( const String& arguments ) const;
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/*!
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* Launches this process.
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*
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* If this process has an associated default interface, then its top level
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* window is shown and activated in its current state.
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*
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* If this process has no default interface, then the core application
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* attempts to generate a default instance of the process and execute it. If
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* the process prefers global execution (see the PrefersGlobalExecution()
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* member function), then the default instance is executed in the global
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* context; otherwise it is executed on the current view, if there is at
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* least one image available.
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*
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* Returns true if the process was successfully launched; false in the event
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* of error, or if the core application was unable to launch or execute it.
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*/
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bool Launch() const;
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/*!
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* Returns the list of parameters of this process. The list can be empty for
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* processes that don't have parameters.
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*/
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parameter_list Parameters() const;
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/*!
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* Returns true iff this process has a parameter with the specified
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* identifier \a paramId.
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*/
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bool HasParameter( const IsoString& paramId ) const;
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/*!
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* Returns true iff this process has a table parameter \a tableId with the
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* specified column parameter \a colId.
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*/
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bool HasTableColumn( const IsoString& tableId, const IsoString& colId ) const;
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/*!
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* Returns a list of all the currently defined process categories in the
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* PixInsight core application.
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*/
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static IsoStringList AllProcessCategories();
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/*!
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* Returns a list of all the currently installed processes on the PixInsight
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* core application.
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*/
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static Array<Process> AllProcesses();
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/*!
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* Returns a list of all the currently installed processes pertaining to the
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* specified \a category. Pass an empty string to obtain a list of all
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* uncategorized processes (i.e. the \<Etc\> fallback category).
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*
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* Returns an empty list if no currently installed process pertains to the
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* specified category.
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*/
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static Array<Process> ProcessesByCategory( const IsoString& category );
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static Array<Process> ProcessesByCategory( const IsoString::ustring_base& category )
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{
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return ProcessesByCategory( IsoString( category ) );
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}
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private:
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AutoPointer<ProcessPrivate> m_data;
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Process( const void* );
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const void* Handle() const;
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friend class ProcessInstance;
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friend class ProcessParameter;
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friend class ProcessParameterPrivate;
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friend class InternalProcessEnumerator;
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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_Process_h
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// ----------------------------------------------------------------------------
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// EOF pcl/Process.h - Released 2022-03-12T18:59:29Z
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