Public bug reported:
A call to cv::imshow() function changes current locale.
Here is a piece of code to reproduce the bug :
#include <cv.h>
#include <highgui.h>
#include <locale.h>
void getLocale(void)
{
printf( "LC_ALL=%s\n", setlocale( LC_ALL, NULL));
printf( "LC_NUMERIC=%s\n", setlocale( LC_NUMERIC, NULL));
}
int main(void)
{
cv::Mat img( 480, 640, CV_8UC3);
getLocale();
printf( "atof(1.23)=%f\n", atof("1.23"));
cv::imshow( "test", img);
getLocale();
printf( "atof(1.23)=%f\n", atof("1.23"));
cv::waitKey(5);
}
The result on my computer (Ubuntu 12.04.2 LTS AMD64):
LC_ALL=C
LC_NUMERIC=C
atof(1.23)=1.230000
LC_ALL=fr_FR.UTF-8
LC_NUMERIC=fr_FR.UTF-8
atof(1.23)=1,000000
** Affects: opencv (Ubuntu)
Importance: Undecided
Status: New
** Tags: libopencv-highgui locale
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https://bugs.launchpad.net/bugs/1198249
Title:
cv::imshow() function call changes current locale
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