38 #include <visp3/core/vpDebug.h>
39 #include <visp3/core/vpImage.h>
40 #include <visp3/core/vpIoTools.h>
41 #include <visp3/io/vpImageIo.h>
42 #include <visp3/io/vpParseArgv.h>
52 #define GETOPTARGS "cdi:o:h"
65 void usage(
const char *name,
const char *badparam,
const std::string &ipath,
const std::string &opath,
66 const std::string &user)
69 Read and write PGM images on the disk. Also test exceptions.\n\
72 %s [-i <input image path>] [-o <output image path>]\n\
79 -i <input image path> %s\n\
80 Set image input path.\n\
81 From this path read \"Klimt/Klimt.pgm\"\n\
83 Setting the VISP_INPUT_IMAGE_PATH environment\n\
84 variable produces the same behaviour than using\n\
87 -o <output image path> %s\n\
88 Set image output path.\n\
89 From this directory, creates the \"%s\"\n\
90 subdirectory depending on the username, where \n\
91 Klimt_grey.pgm output image is written.\n\
95 ipath.c_str(), opath.c_str(), user.c_str());
98 fprintf(stdout,
"\nERROR: Bad parameter [%s]\n", badparam);
113 bool getOptions(
int argc,
const char **argv, std::string &ipath, std::string &opath,
const std::string &user)
127 usage(argv[0],
nullptr, ipath, opath, user);
136 usage(argv[0], optarg_, ipath, opath, user);
142 if ((c == 1) || (c == -1)) {
144 usage(argv[0],
nullptr, ipath, opath, user);
145 std::cerr <<
"ERROR: " << std::endl;
146 std::cerr <<
" Bad argument " << optarg_ << std::endl << std::endl;
153 int main(
int argc,
const char **argv)
156 std::string env_ipath;
157 std::string opt_ipath;
158 std::string opt_opath;
161 std::string filename;
162 std::string username;
169 if (!env_ipath.empty())
174 opt_opath =
"C:/temp";
183 if (getOptions(argc, argv, opt_ipath, opt_opath, username) ==
false) {
188 if (!opt_ipath.empty())
190 if (!opt_opath.empty())
202 usage(argv[0],
nullptr, ipath, opt_opath, username);
203 std::cerr << std::endl <<
"ERROR:" << std::endl;
204 std::cerr <<
" Cannot create " << opath << std::endl;
205 std::cerr <<
" Check your -o " << opt_opath <<
" option " << std::endl;
212 if (!opt_ipath.empty() && !env_ipath.empty()) {
213 if (ipath != env_ipath) {
214 std::cout << std::endl <<
"WARNING: " << std::endl;
215 std::cout <<
" Since -i <visp image path=" << ipath <<
"> "
216 <<
" is different from VISP_IMAGE_PATH=" << env_ipath << std::endl
217 <<
" we skip the environment variable." << std::endl;
222 if (opt_ipath.empty() && env_ipath.empty()) {
223 usage(argv[0],
nullptr, ipath, opt_opath, username);
224 std::cerr << std::endl <<
"ERROR:" << std::endl;
225 std::cerr <<
" Use -i <visp image path> option or set VISP_INPUT_IMAGE_PATH " << std::endl
226 <<
" environment variable to specify the location of the " << std::endl
227 <<
" image path where test images are located." << std::endl
241 std::cout <<
"Read image: " << filename << std::endl;
245 std::cout <<
"Write image: " << filename << std::endl;
252 std::cout <<
"Read image: " << filename << std::endl;
255 std::cout <<
"Catch an exception due to a non existing file: " << e << std::endl;
261 std::cout <<
"Write image: " << filename << std::endl;
264 std::cout <<
"Catch an exception due to a non existing file: " << e << std::endl;
268 std::cout <<
"Catch an exception: " << e << std::endl;
error that can be emitted by ViSP classes.
static void read(vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
static void write(const vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
static bool parse(int *argcPtr, const char **argv, vpArgvInfo *argTable, int flags)