imageHelpers.hpp

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// @copyright
// (c) Copyright ESO 2020
// All Rights Reserved
// ESO (eso.org) is an Intergovernmental Organization, and therefore special
// legal conditions apply.
//
// @file imageHelpers.hpp
// @brief Helper function declaration.
//
// This file is part of the DDT Image Handling Library and
// provides helper functions for handling of CPL images.
//
// @author Christoph Bortlisz, CGI
// @since  2020/07/29
//
 
#ifndef IMAGEHELPERS_HPP_
#define IMAGEHELPERS_HPP_
 
//#include <algorithm>
//#include <cctype>
#include <tuple>
#include <vector>
 
//#include <sys/stat.h>
 
#include <cpl.h>
 
// namespace ddt {
 
std::vector<int> SubarrayLineInt(cpl_image *image, std::tuple<int, int> start,
                                 std::tuple<int, int> end);
 
std::vector<int> SubarrayLineInt(cpl_image *image, int x0, int y0, int x1,
                                 int y1);
 
std::vector<double> SubarrayLineDouble(cpl_image *image, int x0, int y0,
                                       const int x1, const int y1);
 
std::vector<std::vector<int>> SubarrayRectInt(cpl_image *image,
                                              std::tuple<int, int> start,
                                              std::tuple<int, int> end);
 
std::vector<std::vector<int>> SubarrayRectInt(cpl_image *image, int llx,
                                              int lly, int urx, int ury);
 
cpl_image *SubImageRect(cpl_image *image, std::tuple<int, int> start,
                        std::tuple<int, int> end);
 
cpl_image *SubImageRect(cpl_image *image, int llx, int lly, int urx, int ury);
 
cpl_image *SubImageRectOutside(const cpl_image *const image, const int llx,
                               const int lly, const int urx, const int ury);
 
cpl_image *SubImageCircular(const cpl_image *const image, const int xcenter,
                            const int ycenter, const int radius);
 
cpl_image *SubImageCircularOutside(const cpl_image *const image,
                                   const int xcenter, const int ycenter,
                                   const int radius);
 
double PixelDistance(const double startx, const double starty,
                     const double endx, const double endy,
                     double *const xoffset = nullptr,
                     double *const yoffset = nullptr);
 
double PixelDistanceDegrees(const cpl_propertylist *const property_list,
                            const double startx, const double starty,
                            const double endx, const double endy,
                            double *const xoffsetdeg, double *const yoffsetdeg);
 
double PixelToDegreesScalingFactor(const cpl_propertylist *const property_list);
 
std::string ConvertDegreesToString(double deg);
 
//} // namespace ddt
 
#endif /* IMAGEHELPERS_HPP_ */