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/ImageResolution.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_ImageResolution_h
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#define __PCL_ImageResolution_h
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/// \file pcl/ImageResolution.h
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#include <pcl/Defs.h>
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#include <pcl/Diagnostics.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class ImageResolution
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* \brief %Image resolution data
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*
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* ### TODO: Write a detailed description for %ImageResolution.
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*/
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class PCL_CLASS ImageResolution
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{
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public:
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/*!
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* Constructs a default %ImageResolution object.
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*/
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ImageResolution() = default;
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/*!
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* Copy constructor.
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*/
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ImageResolution( const ImageResolution& ) = default;
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/*!
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* Assignment operator. Returns a reference to this object.
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*/
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ImageResolution& operator =( const ImageResolution& ) = default;
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/*!
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* Gets resolution values for both \a x and \a y axes in pixels per
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* resolution unit.
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*
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* \sa HorizontalResolution(), VerticalResolution()
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*/
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void GetResolution( double& x, double& y )
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{
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x = xResolution; y = yResolution;
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}
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/*!
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* Returns the horizontal (X-axis) resolution in pixels per resolution unit.
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*
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* \sa VerticalResolution(), GetResolution()
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*/
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double HorizontalResolution() const
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{
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return xResolution;
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}
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/*!
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* Returns the vertical (Y-axis) resolution in pixels per resolution unit.
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*
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* \sa HorizontalResolution(), GetResolution()
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*/
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double VerticalResolution() const
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{
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return yResolution;
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}
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/*!
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* Sets resolution values for both \a x and \a y axes in pixels per
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* resolution unit.
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*
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* \sa GetResolution(), SetResolution( double )
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*/
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void SetResolution( double x, double y )
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{
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PCL_PRECONDITION( x >= 0 )
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PCL_PRECONDITION( y >= 0 )
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xResolution = pcl::Max( 0.0, x ); yResolution = pcl::Max( 0.0, y );
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}
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/*!
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* Returns the resolution for both axes, in pixels per resolution unit.
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*
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* This member function is more meaningful for contexts where separate
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* horizontal and vertical resolutions are not supported.
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*
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* \sa GetResolution(), SetResolution( double ), SetResolution( double, double )
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*/
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double Resolution() const
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{
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return xResolution;
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}
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/*!
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* Sets the resolution for both axes, in pixels per resolution unit.
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*
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* This member function is more meaningful for contexts where separate
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* horizontal and vertical resolutions are not supported.
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*
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* \sa Resolution(), HorizontalResolution(), VerticalResolution(), GetResolution()
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*/
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void SetResolution( double r )
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{
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PCL_PRECONDITION( r >= 0 )
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xResolution = yResolution = pcl::Max( 0.0, r );
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}
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/*!
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* Returns true iff this object express resolution in pixels per centimeter;
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* false if it express resolution in pixels per inch.
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*
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* \sa SetMetricResolution()
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*/
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bool IsMetricResolution() const
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{
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return metric;
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}
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/*!
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* Sets the resolution unit for this %ImageResolution object.
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*
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* \param m If true, enables resolution in pixels per centimeter (metric
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* resolution). If false, enables resolution in pixels per inch.
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*
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* \sa IsMetricResolution()
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*/
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void SetMetricResolution( bool m )
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{
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metric = m;
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}
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protected:
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/*
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* Resolution in pixels per resolution unit (centimeters or inches).
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*/
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double xResolution = 72;
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double yResolution = 72;
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/*
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* Flag true when resolution values are expressed in pixels per centimeter.
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* Pixels per inch otherwise.
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*/
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bool metric = false;
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_ImageResolution_h
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// ----------------------------------------------------------------------------
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// EOF pcl/ImageResolution.h - Released 2022-03-12T18:59:29Z
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