on_mouse 36 apps/annotation/opencv_annotation.cpp void on_mouse(int event, int x, int y, int , void * ) on_mouse 272 samples/cpp/grabcut.cpp static void on_mouse( int event, int x, int y, int flags, void* param ) on_mouse 41 samples/cpp/points_classifier.cpp static void on_mouse( int event, int x, int y, int /*flags*/, void* )