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Merge pull request #158 from stweil/master

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tesseractmain: Prettify help message
This commit is contained in:
zdenop 2015-11-30 17:17:05 +01:00
commit 14fd4933bc
1 changed files with 35 additions and 34 deletions
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69
api/tesseractmain.cpp
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@ -71,21 +71,21 @@ void PrintVersionInfo() {
}
void PrintUsage(const char* program) {
fprintf(stderr,
fprintf(stderr,
"Usage:\n"
" %s --help | --help-psm | --version\n"
" %s --help | --help-psm | --version\n"
" %s --list-langs [--tessdata-dir PATH]\n"
" %s --print-parameters [options...] [configfile...]\n"
" %s imagename|stdin outputbase|stdout [options...] [configfile...]\n",
" %s imagename|stdin outputbase|stdout [options...] [configfile...]\n",
program, program, program, program);
}
void PrintHelpForPSM() {
const char* msg =
"Page Segmentation Modes:\n"
const char* msg =
"Page segmentation modes:\n"
" 0 Orientation and script detection (OSD) only.\n"
" 1 Automatic page segmentation with OSD.\n"
" 2 Automatic page segmentation, but no OSD, or OCR\n"
" 2 Automatic page segmentation, but no OSD, or OCR.\n"
" 3 Fully automatic page segmentation, but no OSD. (Default)\n"
" 4 Assume a single column of text of variable sizes.\n"
" 5 Assume a single uniform block of vertically aligned text.\n"
@ -111,30 +111,31 @@ void PrintHelpForPSM() {
void PrintHelpMessage(const char* program) {
PrintUsage(program);
const char* msg =
"\n\n"
"Options:\n"
" -h, --help" "\tShow this help message.\n"
" --help-psm" "\tShow Page Segmentation Modes.\n"
" -v, --version" "\tShow version information.\n\n"
" --list-langs" "\tlist available languages for tesseract engine.\n\n"
" --tessdata-dir PATH" "\tspecify the location of tessdata path.\n"
" --print-parameters" "\tprint tesseract parameters to the stdout.\n"
" --user-words PATH" "\tspecify the location of user words"
" file.\n"
" --user-patterns PATH" "\tspecify the location of"
" user patterns file.\n"
" -l LANG[+LANG]" "\tspecify language(s) used for OCR.\n"
" -c VAR=VALUE" "\tset value for config variables.\n"
"\t\t\tMultiple -c arguments are allowed.\n"
" -psm NUM" "\tspecify page segmentation mode.\n"
" NOTE: The options above must occur before any configfile.\n"
const char* ocr_options =
"OCR options:\n"
" --tessdata-dir PATH Specify the location of tessdata path.\n"
" --user-words PATH Specify the location of user words file.\n"
" --user-patterns PATH Specify the location of user patterns file.\n"
" -l LANG[+LANG] Specify language(s) used for OCR.\n"
" -c VAR=VALUE Set value for config variables.\n"
" Multiple -c arguments are allowed.\n"
" -psm NUM Specify page segmentation mode.\n"
"NOTE: These options must occur before any configfile.\n"
;
fprintf(stderr, "%s\n", msg);
fprintf(stderr, "\n%s\n", ocr_options);
PrintHelpForPSM();
const char *single_options =
"Single options:\n"
" -h, --help Show this help message.\n"
" --help-psm Show page segmentation modes.\n"
" -v, --version Show version information.\n"
" --list-langs List available languages for tesseract engine.\n"
" --print-parameters Print tesseract parameters to stdout.\n"
;
fprintf(stderr, "\n%s", single_options);
}
void SetVariablesFromCLArgs(tesseract::TessBaseAPI* api, int argc, char** argv) {
@ -186,7 +187,7 @@ void PrintLangsList(tesseract::TessBaseAPI* api) {
* It would be simpler if we could set the value before Init,
* but that doesn't work.
*/
void FixPageSegMode(tesseract::TessBaseAPI* api,
void FixPageSegMode(tesseract::TessBaseAPI* api,
tesseract::PageSegMode pagesegmode) {
if (api->GetPageSegMode() == tesseract::PSM_SINGLE_BLOCK)
api->SetPageSegMode(pagesegmode);
@ -198,9 +199,9 @@ void ParseArgs(const int argc, char** argv,
const char** image,
const char** outputbase,
const char** datapath,
bool* list_langs,
bool* list_langs,
bool* print_parameters,
GenericVector<STRING>* vars_vec,
GenericVector<STRING>* vars_vec,
GenericVector<STRING>* vars_values,
int* arg_i,
tesseract::PageSegMode* pagesegmode) {
@ -334,8 +335,8 @@ int main(int argc, char **argv) {
int arg_i = 1;
tesseract::PageSegMode pagesegmode = tesseract::PSM_AUTO;
ParseArgs(argc, argv,
&lang, &image, &outputbase, &datapath,
ParseArgs(argc, argv,
&lang, &image, &outputbase, &datapath,
&list_langs, &print_parameters,
&vars_vec, &vars_values, &arg_i, &pagesegmode);
@ -393,9 +394,9 @@ int main(int argc, char **argv) {
} else {
ret_val = 1;
}
delete it;
pixDestroy(&pixs);
exit(ret_val);
}