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https://github.com/eddyem/astrovideoguide_v3.git
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86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
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* This file is part of the loccorr project.
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* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef IMAGEFILE_H__
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#define IMAGEFILE_H__
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#include <stdint.h>
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#include <stdlib.h> // size_t
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#ifndef OMP_FOR
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#define Stringify(x) #x
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#define OMP_FOR(x) _Pragma(Stringify(omp parallel for x))
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#endif
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typedef uint8_t Imtype;
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// 65536 if Imtype is uint16_t
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// WARNING! Check code if you change Imtype: e.g. recalcexp() and other
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#define HISTOSZ (256)
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typedef struct{ // statistics: mean, RMS, area
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float xc; float yc; float xsigma; float ysigma;
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int area;
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} ptstat_t;
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typedef struct{
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int width; // width
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int height; // height
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Imtype *data; // picture data
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Imtype minval; // extremal data values
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Imtype maxval;
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float avg_intensity;
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Imtype background; // background value
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ptstat_t stat; // image statistics
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uint64_t counter; // image counter
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} Image;
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// input file/directory type
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typedef enum{
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T_WRONG,
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T_DIRECTORY,
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T_BMP,
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T_FITS,
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T_GZIP,
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T_GIF,
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T_JPEG,
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T_PNG,
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T_CAPT_GRASSHOPPER, // capture grasshopper
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T_CAPT_BASLER,
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T_CAPT_HIKROBOT
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} InputType;
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void Image_minmax(Image *I);
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uint8_t *linear(const Image *I, int nchannels);
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uint8_t *equalize(const Image *I, int nchannels, double throwpart);
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InputType chkinput(const char *name);
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Image *Image_read(const char *name);
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Image *Image_new(int w, int h);
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Image *Image_sim(const Image *i);
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void Image_free(Image **I);
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int Image_write_jpg(const Image *I, const char *name, int equalize);
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int get_histogram(const Image *I, size_t histo[HISTOSZ]);
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int calc_background(Image *img);
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Image *u8toImage(const uint8_t *data, int width, int height, int stride);
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Image *bin2Im(const uint8_t *image, int W, int H);
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uint8_t *Im2bin(const Image *im, Imtype bk);
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size_t *bin2ST(const uint8_t *image, int W, int H);
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//Image *ST2Im(const size_t *image, int W, int H);
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#endif // IMAGEFILE_H__
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