OpenCV_HighGUI参考手册.txt

opencv: highguihighgui 裬 highgui todo cvnamedwindow int cvnamedwindow( const char* name, int flags ); name flags cv_window_autosizecvshowimage cvnamedwindowtrackbar 顣 cvdestroywindow void cvdestroywindow( const char* name ); name cvdestroywindow cvdestroyallwindows highgui void cvdestroyallwindows(void); cvdestroyallwindowshighgui cvresizewindow 趨 void cvresizewindow( const char* name, int width, int height ); name width height cvresizewindow cvmovewindow 趨 void cvmovewindow( const char* name, int x, int y ); name x x y y cvmovewindow cvgetwindowhandle void* cvgetwindowhandle( const char* name ); name cvgetwindowhandlewin32hwndgtk+gtkwidget cvgetwindowname const char* cvgetwindowname( void* window_handle ); window_handle cvgetwindownamewin32hwndgtk+gtkwidget cvshowimage void cvshowimage( const char* name, const cvarr* image ); name image cvshowimage 趨cv_window_autosize cvcreatetrackbar trackbar cv_extern_c_funcptr( void (*cvtrackbarcallback)(int pos) ); int cvcreatetrackbar( const char* trackbar_name, const char* window_name, int* value, int count, cvtrackbarcallback on_change ); trackbar_name trackbar window_name trackbar value count 0 on_change void foo(int); null cvcreatetrackbartrackbartrackbartrackbartrackbar cvgettrackbarpos trackbar int cvgettrackbarpos( const char* trackbar_name, const char* window_name ); trackbar_name trackbar window_name trackbar cvgettrackbarpostrackbar cvsettrackbarpos trackbar void cvsettrackbarpos( const char* trackbar_name, const char* window_name, int pos ); trackbar_name trackbar window_name trackbar pos cvsettrackbarpostrackbar cvsetmousecallback #define cv_event_mousemove 0 #define cv_event_lbuttondown 1 #define cv_event_rbuttondown 2 #define cv_event_mbuttondown 3 #define cv_event_lbuttonup 4 #define cv_event_rbuttonup 5 #define cv_event_mbuttonup 6 #define cv_event_lbuttondblclk 7 #define cv_event_rbuttondblclk 8 #define cv_event_mbuttondblclk 9 #define cv_event_flag_lbutton 1 #define cv_event_flag_rbutton 2 #define cv_event_flag_mbutton 4 #define cv_event_flag_ctrlkey 8 #define cv_event_flag_shiftkey 16 #define cv_event_flag_altkey 32 cv_extern_c_funcptr( void (*cvmousecallback )(int event, int x, int y, int flags, void* param) ); void cvsetmousecallback( const char* window_name, cvmousecallback on_mouse, void* param=null ); window_name on_mouse void foo(int event, int x, int y, int flags, void* param);event cv_event_* xy flagscv_event_flag paramcvsetmousecallback param cvsetmousecallback趨opencv/samples/c/ffilldemo.c demo cvwaitkey int cvwaitkey( int delay=0 ); delay cvwaitkeydelay03 0, 0, cvloadimage windows - bmp, dib jpeg - jpeg, jpg, jpe - png - pbmpgmppm sun rasters - srras tiff - tifftif cvsaveimage int cvsaveimage( const char* filename, const cvarr* image ); filename image cvsaveimagefilenamecvloadimage83bgr 档cvcvtscale cvcvtcolorcvsavexmlyaml cvcapture typedef struct cvcapture cvcapture; cvcapture cvcapturefromfile cvcapture* cvcapturefromfile( const char* filename ); filename cvcapturefromfilecvcapture cvreleasecapture cvcapturefromcam cvcapture* cvcapturefromcam( int index ); index -1 cvcapturefromcamcvcapturewindowsvideo for windowsvfwmatrox imaging librarymil linuxv4lfirewireieee1394 cvreleasecapture cvreleasecapture cvcapture void cvreleasecapture( cvcapture* capture ); capture cvreleasecapturecvcapturefromfile cvcapturefromcamcvcapture cvgrabframe int cvgrabframe( cvcapture* capture ); capture cvgrabframe洢壩cvretrieveframe cvretrieveframe cvgrabframe iplimage* cvretrieveframe( cvcapture* capture ); capture cvretrieveframecvgrabframe cvqueryframe iplimage* cvqueryframe( cvcapture* capture ); capture cvqueryframecvgrabframecvretrieveframe cvgetcaptureproperty double cvgetcaptureproperty( cvcapture* capture, int property_id ); capture property_id cv_cap_prop_pos_msec - cv_cap_prop_pos_frames - 0 cv_cap_prop_pos_avi_ratio - 0 - 1 - ) cv_cap_prop_frame_width - cv_cap_prop_frame_height - cv_cap_prop_fps - cv_cap_prop_fourcc - codec cv_cap_prop_frame_count - cvgetcaptureproperty cvqueryframecvgetcaptureproperty cvsetcaptureproperty int cvsetcaptureproperty( cvcapture* capture, int property_id, double value ); capture property_id cv_cap_prop_pos_msec - cv_cap_prop_pos_frames - cv_cap_prop_pos_avi_ratio - 0 - 1 - ) cv_cap_prop_frame_width - cv_cap_prop_frame_height - cv_cap_prop_fps - cv_cap_prop_fourcc - codec value cvsetcaptureproperty cv_cap_prop_pos_msec, cv_cap_prop_pos_frames, cv_cap_prop_pos_avi_ratio cvcreatevideowriter typedef struct cvvideowriter cvvideowriter; cvvideowriter* cvcreatevideowriter( const char* filename, int fourcc, double fps, cvsize frame_size, int is_color=1 ); filename fourcc codec 磬cv_fourcc(p,i,m,1)mpeg-1 codec cv_fourcc(m,j,p,g)motion-jpeg codec win32-1 fps frame_size is_color windows cvcreatevideowriter cvreleasevideowriter void cvreleasevideowriter( cvvideowriter* writer ); writer cvreleasevideowriter cvwriteframe int cvwriteframe( cvvideowriter* writer, const iplimage* image ); writer image cvwriteframe cvinitsystem highgui int cvinitsystem( int argc, char* argv ); argc argv 顣 cvinitsystemhighguiargc=0argv=nullwin32x windowhighgui cvconvertimage converts one image to another with optional vertical flip void cvconvertimage( const cvarr* src, cvarr* dst, int flags=0 ); src dst 38 flags cv_cvtimg_flip - cv_cvtimg_swap_rb - opencv bgr cvshowimage cvconvertimagecvshowimage c capturefromcamconvertimagecreatevideowriter capturefromfilecreatetrackbar d destroyallwindowsdestroywindow g