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tesseract app: check if input file exists; fixes #1023

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This commit is contained in:
zdenop 2018-09-29 08:51:00 +02:00
parent abe40f17c9
commit 1a096441d0
1 changed files with 9 additions and 1 deletions
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10
src/api/tesseractmain.cpp
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@ -530,6 +530,13 @@ int main(int argc, char** argv) {
return EXIT_SUCCESS;
}
if (FILE* file = fopen(image, "r")) {
fclose(file);
} else {
fprintf(stderr, "Cannot open input file: %s\n", image);
return EXIT_FAILURE;
}
FixPageSegMode(&api, pagesegmode);
if (dpi) {
@ -537,12 +544,13 @@ int main(int argc, char** argv) {
snprintf(dpi_string, 254, "%d", dpi);
api.SetVariable("user_defined_dpi", dpi_string);
}
if (pagesegmode == tesseract::PSM_AUTO_ONLY) {
int ret_val = EXIT_SUCCESS;
Pix* pixs = pixRead(image);
if (!pixs) {
fprintf(stderr, "Cannot open input file: %s\n", image);
fprintf(stderr, "Leptonica can process input file: %s\n", image);
return 2;
}