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Fix return codes actually doing what they're documented to

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Bradlee Speice
2012-07-20 10:41:50 -04:00
parent 06804d6528
commit a33d97a2a6
3 changed files with 60 additions and 15 deletions
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16
examples/cva-match.c
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@ -48,9 +48,7 @@ int main( int argc, char** argv )
int useX = 0; /* bool useX = false; */
Bool useCenter = False;
char *xDisplayLocation;
Display *display;
/* This line to suppress a compiler warning */
display = NULL;
Display *display = NULL;
/* Set the default display */
xDisplayLocation = "";
@ -59,6 +57,8 @@ int main( int argc, char** argv )
basic_list *list_head, *list_curr, *list_prev;
list_head = list_curr = list_prev = NULL;
int returnCode = 1;
/* Start getopt */
while (1)
{
@ -187,9 +187,12 @@ int main( int argc, char** argv )
result_point = matchSubImage_location( root_location, sub_location, search_method, tolerance );
if ( result_point.x != -1 && result_point.y != -1 )
{
/* Output the match location */
printf ("%s%s%i%s%i\n", list_curr->fileName, separator,
result_point.x, separator, result_point.y );
returnCode = 0;
}
/* With the way we allocate the list, we ensure that we always
* have at least one element past the end of the list.
@ -207,7 +210,7 @@ int main( int argc, char** argv )
if (useX)
XCloseDisplay(display);
return 0;
return returnCode;
}
/*
@ -224,8 +227,7 @@ cva-match -r <root_image> -s <sub_image> \n\
cva-match -s <sub_image> -x \n\
\n\
This program uses OpenCV in order to recognize an image within an image.\n\
The return code is how many matches were found - return 0 for no matches,\n\
1 for one match, etc.\n\
The return code is 0 for at least one successful match, and 1 otherwise.\n\
\n\
Usage: \n\
\n\
@ -274,7 +276,7 @@ If you have any questions, comments, concerns, email <%s>\n", LIBCVAUTOMATION_VE
* \author Bradlee Speice <bspeice@uncc.edu>
* \date 7/18/2012
* \section usage Usage:
* This program uses OpenCV in order to recognize an image within an image. The return code is how many matches were found - return 0 for no matches, 1 for one match, etc.
* This program uses OpenCV in order to recognize an image within an image. The return code is 0 for at least one successful match, and 1 otherwise.
*
* \section example Example Usage:
* Match two images against the root X11 window: