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/ImageInfo.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_ImageInfo_h
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#define __PCL_ImageInfo_h
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/// \file pcl/ImageInfo.h
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#include <pcl/Defs.h>
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#include <pcl/AbstractImage.h>
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#include <pcl/Relational.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class ImageInfo
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* \brief A simple structure to hold basic information about images
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*/
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class PCL_CLASS ImageInfo
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{
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public:
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/*!
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* Represents a color space. See the ColorSpace namespace for supported
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* values.
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*/
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typedef ColorSpace::value_type color_space;
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int width; //!< %Image width in pixels
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int height; //!< %Image height in pixels
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int numberOfChannels; //!< Number of channels, including alpha channels
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color_space colorSpace; //!< %Color space, compatible with ImageColor::color_space
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bool supported; //!< Whether we support this image
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/*!
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* Constructs an %ImageInfo object with default values.
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*/
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ImageInfo()
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{
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Reset();
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}
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/*!
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* Copy constructor.
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*/
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ImageInfo( const ImageInfo& ) = default;
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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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ImageInfo& operator =( const ImageInfo& ) = default;
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/*!
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* Constructs an %ImageInfo object with data obtained from the specified
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* \a image.
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*
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* The width, height and numberOfChannels data members are set to the
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* dimensions of the selected rectangle and the number of selected channels
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* in \a image, respectively.
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*/
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ImageInfo( const AbstractImage& image )
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{
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width = image.SelectedRectangle().Width();
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height = image.SelectedRectangle().Height();
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numberOfChannels = image.NumberOfSelectedChannels();
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colorSpace = image.ColorSpace();
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supported = IsValid();
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}
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/*!
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* Returns the number of pixels in the image, or width*height.
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*/
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size_type NumberOfPixels() const
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{
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return size_type( width )*size_type( height );
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}
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/*!
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* Returns the number of samples in the image, or
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* width*height*numberOfChannels.
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*/
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size_type NumberOfSamples() const
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{
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return NumberOfPixels()*size_type( numberOfChannels );
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}
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/*!
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* Initializes this %ImageInfo structure with default values, corresponding
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* to an empty image.
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*/
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void Reset()
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{
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width = height = numberOfChannels = 0;
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colorSpace = ColorSpace::Unknown;
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supported = false;
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}
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/*!
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* Returns true iff this object describes a valid nonempty image.
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*/
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bool IsValid() const
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{
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return width > 0 &&
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height > 0 &&
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colorSpace != ColorSpace::Unknown &&
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numberOfChannels >= ((colorSpace == ColorSpace::Gray) ? 1 : 3);
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}
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/*!
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* Returns true iff this object is equal to another instance \a x.
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*/
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bool operator ==( const ImageInfo& x ) const
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{
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return width == x.width &&
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height == x.height &&
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numberOfChannels == x.numberOfChannels &&
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colorSpace == x.colorSpace;
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}
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_ImageInfo_h
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// ----------------------------------------------------------------------------
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// EOF pcl/ImageInfo.h - Released 2022-03-12T18:59:29Z
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