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HOW TO CONFIGURE Code::Blocks AND OpenCV ON LINUX
1) Install Code::Blocks IDE on your system... more details here:
http://wiki.codeblocks.org/index.php?title=Installing_Code::Blocks#Ubuntu
2) Create a new projekt on the main screen or choose File­>New­>Project (eg. a console application). First of all check the OpenCV installation path with these two commands: pkg­config ­­cflags opencv <­­ shows the path of header files (step 4)
pkg­config ­­libs opencv <­­ shows the path of library files (step 3 and 5)
3) Open the Project­>Build Options dialog an fill it the following way the Linker settings:
The paths are known from the step 2 (you have to add FILES here, not only the directory).
4) In this dialog choose the Search directories and then the Compiler tab and add the path:
5) The last step: klick on the Linker tab, and here add the following row:
6) Try to build this simple program:
#include "cv.h"
#include "highgui.h"
#include <stdio.h>
int main( int argc, char** argv ) {
CvCapture* capture = 0;
IplImage *image = 0;
if( argc == 1 || (argc == 2 && strlen(argv[1]) == 1 && isdigit(argv[1][0])))
capture = cvCaptureFromCAM( argc == 2 ? argv[1][0] ­ '0' : 0 );
else if( argc == 2 )
capture = cvCaptureFromAVI( argv[1] );
if( !capture ) {
fprintf(stderr,"Could not initialize capturing...\n");
return ­1; }
cvNamedWindow( "Input", CV_WINDOW_AUTOSIZE );
for(;;) {
int c;
image = cvQueryFrame( capture );
if( !image )
break;
cvShowImage( "Input", image );
c = cvWaitKey(10);
if( (char)c == 27 )
break;
}
cvReleaseCapture( &capture );
cvDestroyAllWindows();
return 0;
}
Dávid Losteiner @ 2007