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Allow orientation detection with any traineddata

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While orientation and script detection (OSD) normally requires
osd.traineddata to detect both, it must also be possible to do
only orientation detection with eng.traineddata or any other
traineddata.

Enforce osd.traineddata only if there was no `-l` command line option.

Commit 27ce472666 was too restrictive.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2018-10-04 17:07:14 +02:00
parent 6b9f1f100b
commit 26bfd2b9d3
1 changed files with 7 additions and 3 deletions
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10
src/api/tesseractmain.cpp
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@ -367,11 +367,15 @@ static void ParseArgs(const int argc, char** argv, const char** lang,
*arg_i = i;
if (*pagesegmode == tesseract::PSM_OSD_ONLY) {
// That mode requires osd.traineddata, no other language or script files.
// OSD = orientation and script detection.
if (*lang != nullptr && strcmp(*lang, "osd")) {
fprintf(stderr, "Warning, ignoring -l %s for --psm 0\n", *lang);
// If the user explicitly specifies a language (other than osd)
// or a script, only orientation can be detected.
fprintf(stderr, "Warning, detects only orientation with -l %s\n", *lang);
} else {
// That mode requires osd.traineddata to detect orientation and script.
*lang = "osd";
}
*lang = "osd";
}
if (*outputbase == nullptr && noocr == false) {