vcs.maemo.org Git - opencv/blob - otherlibs/cvcam/src/windows/HowToUse.txt

   1 #include <conio.h>
   2 #include <stdio.h>
   3 #include "cvcam.h"
   4 #include "..\\highgui\\highgui.h"
   5 #include "cv.h"
   6
   7 void __cdecl callback(void* _image)
   8 {
   9         IplImage* image = (IplImage*)_image;
  10         cvLine(image, cvPoint(0, 0), cvPoint(image->width, image->height), CV_RGB(255, 0, 0), 1);
  11 }
  12
  13 int main()
  14 {
  15         int cameras = cvcamGetCamerasCount();
  16         if(cameras == -1)
  17         {
  18                 printf("\nNo cameras available on the system. Exiting...");
  19                 return -1;
  20         }
  21
  22         cvcamSetProperty(0, CVCAM_PROP_CALLBACK, &callback);
  23         cvcamInit();
  24         cvcamStart();
  25         wait_key(0);
  26         cvcamStop();
  27         cvcamExit();
  28
  29         return 0;
  30 }