mirror of
https://github.com/jkriege2/JKQtPlotter.git
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62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
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Copyright (c) 2018-2020 Jan W. Krieger (<jan@jkrieger.de>)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jkqtplotter/jkqtpdatastorage.h"
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#include "CImg.h"
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#ifndef JKQTPINTERFACECIMG_H
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#define JKQTPINTERFACECIMG_H
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/** \brief add one external column to the datastore. It will be filled with the contents of the CImg image \a img.
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* \ingroup jkqtpinterfacecimg
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*
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* \param datastore the datastore to which the <a href="https://cimg.eu/">CImg</a> matrix should be added (as column)
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* \param img <a href="http://cimg.eu/reference/structcimg__library_1_1CImg.html">cimg_library::CImg<T>-image</a> to store here
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* \param name name for the column
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* \param channel channel to copy from \a img
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* \param z z-plane to copy from \a img
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* \return the ID of the newly created column
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*
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* \see \ref jkqtpinterfacecimg, \ref JKQTPlotterImagePlotCImg or \ref JKQTPlotterImagePlotRGBCImg for details on how to use this function.
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*/
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template<class T>
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inline size_t JKQTPCopyCImgToColumn(JKQTPDatastore* datastore, const cimg_library::CImg<T>& img, const QString& name=QString(""), int channel=0, int z=0)
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{
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const size_t N=static_cast<size_t>(img.width()*img.height());
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double* d=static_cast<double*>(malloc(static_cast<size_t>(N)*sizeof(double)));
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size_t r=0;
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for (int iy=0; iy<img.height(); iy++ ) {
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for (int ix=0; ix<img.width(); ix++ ) {
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d[r]=jkqtp_todouble(img.atXYZC(ix,iy,z,channel));
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r++;
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}
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}
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return datastore->addInternalImageColumn(d, img.width(), img.height(), name);
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}
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#endif // JKQTPINTERFACECIMG_H
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