OpenCV  3.1.0
Open Source Computer Vision
Macros | Typedefs | Enumerations | Functions
C API
High-level GUI

Macros

#define CV_GET_WHEEL_DELTA(flags)   ((short)((flags >> 16) & 0xffff))
 
#define cvAddSearchPath(path)
 
#define cvvAddSearchPath   cvAddSearchPath
 
#define cvvCreateTrackbar   cvCreateTrackbar
 
#define cvvDestroyWindow   cvDestroyWindow
 
#define cvvInitSystem   cvInitSystem
 
#define cvvNamedWindow   cvNamedWindow
 
#define cvvResizeWindow   cvResizeWindow
 
#define cvvShowImage   cvShowImage
 
#define cvvWaitKey(name)   cvWaitKey(0)
 
#define cvvWaitKeyEx(name, delay)   cvWaitKey(delay)
 
#define HG_AUTOSIZE   CV_WINDOW_AUTOSIZE
 
#define set_postprocess_func   cvSetPostprocessFuncWin32
 
#define set_preprocess_func   cvSetPreprocessFuncWin32
 

Typedefs

typedef void(* CvButtonCallback) (int state, void *userdata)
 
typedef void(* CvMouseCallback) (int event, int x, int y, int flags, void *param)
 
typedef void(* CvOpenGlDrawCallback) (void *userdata)
 
typedef void(* CvTrackbarCallback) (int pos)
 
typedef void(* CvTrackbarCallback2) (int pos, void *userdata)
 

Enumerations

enum  {
  CV_FONT_LIGHT = 25,
  CV_FONT_NORMAL = 50,
  CV_FONT_DEMIBOLD = 63,
  CV_FONT_BOLD = 75,
  CV_FONT_BLACK = 87
}
 
enum  {
  CV_STYLE_NORMAL = 0,
  CV_STYLE_ITALIC = 1,
  CV_STYLE_OBLIQUE = 2
}
 
enum  {
  CV_PUSH_BUTTON = 0,
  CV_CHECKBOX = 1,
  CV_RADIOBOX = 2
}
 
enum  {
  CV_WND_PROP_FULLSCREEN = 0,
  CV_WND_PROP_AUTOSIZE = 1,
  CV_WND_PROP_ASPECTRATIO = 2,
  CV_WND_PROP_OPENGL = 3,
  CV_WINDOW_NORMAL = 0x00000000,
  CV_WINDOW_AUTOSIZE = 0x00000001,
  CV_WINDOW_OPENGL = 0x00001000,
  CV_GUI_EXPANDED = 0x00000000,
  CV_GUI_NORMAL = 0x00000010,
  CV_WINDOW_FULLSCREEN = 1,
  CV_WINDOW_FREERATIO = 0x00000100,
  CV_WINDOW_KEEPRATIO = 0x00000000
}
 
enum  {
  CV_EVENT_MOUSEMOVE =0,
  CV_EVENT_LBUTTONDOWN =1,
  CV_EVENT_RBUTTONDOWN =2,
  CV_EVENT_MBUTTONDOWN =3,
  CV_EVENT_LBUTTONUP =4,
  CV_EVENT_RBUTTONUP =5,
  CV_EVENT_MBUTTONUP =6,
  CV_EVENT_LBUTTONDBLCLK =7,
  CV_EVENT_RBUTTONDBLCLK =8,
  CV_EVENT_MBUTTONDBLCLK =9,
  CV_EVENT_MOUSEWHEEL =10,
  CV_EVENT_MOUSEHWHEEL =11
}
 
enum  {
  CV_EVENT_FLAG_LBUTTON =1,
  CV_EVENT_FLAG_RBUTTON =2,
  CV_EVENT_FLAG_MBUTTON =4,
  CV_EVENT_FLAG_CTRLKEY =8,
  CV_EVENT_FLAG_SHIFTKEY =16,
  CV_EVENT_FLAG_ALTKEY =32
}
 

Functions

void cvAddText (const CvArr *img, const char *text, CvPoint org, CvFont *arg2)
 
int cvCreateButton (const char *button_name=NULL, CvButtonCallback on_change=NULL, void *userdata=NULL, int button_type=CV_PUSH_BUTTON, int initial_button_state=0)
 
int cvCreateTrackbar (const char *trackbar_name, const char *window_name, int *value, int count, CvTrackbarCallback on_change=NULL)
 
int cvCreateTrackbar2 (const char *trackbar_name, const char *window_name, int *value, int count, CvTrackbarCallback2 on_change, void *userdata=0)
 
void cvDestroyAllWindows (void)
 
void cvDestroyWindow (const char *name)
 
void cvDisplayOverlay (const char *name, const char *text, int delayms=0)
 
void cvDisplayStatusBar (const char *name, const char *text, int delayms=0)
 
CvFont cvFontQt (const char *nameFont, int pointSize=-1, CvScalar color=cvScalarAll(0), int weight=CV_FONT_NORMAL, int style=CV_STYLE_NORMAL, int spacing=0)
 
int cvGetTrackbarPos (const char *trackbar_name, const char *window_name)
 
void * cvGetWindowHandle (const char *name)
 
const char * cvGetWindowName (void *window_handle)
 
double cvGetWindowProperty (const char *name, int prop_id)
 
int cvInitSystem (int argc, char **argv)
 
void cvLoadWindowParameters (const char *name)
 
void cvMoveWindow (const char *name, int x, int y)
 
int cvNamedWindow (const char *name, int flags=CV_WINDOW_AUTOSIZE)
 
void cvResizeWindow (const char *name, int width, int height)
 
void cvSaveWindowParameters (const char *name)
 
void cvSetMouseCallback (const char *window_name, CvMouseCallback on_mouse, void *param=NULL)
 
void cvSetOpenGlContext (const char *window_name)
 
void cvSetOpenGlDrawCallback (const char *window_name, CvOpenGlDrawCallback callback, void *userdata=NULL)
 
void cvSetTrackbarMax (const char *trackbar_name, const char *window_name, int maxval)
 
void cvSetTrackbarMin (const char *trackbar_name, const char *window_name, int minval)
 
void cvSetTrackbarPos (const char *trackbar_name, const char *window_name, int pos)
 
void cvSetWindowProperty (const char *name, int prop_id, double prop_value)
 
void cvShowImage (const char *name, const CvArr *image)
 
int cvStartLoop (int(*pt2Func)(int argc, char *argv[]), int argc, char *argv[])
 
int cvStartWindowThread (void)
 
void cvStopLoop (void)
 
void cvUpdateWindow (const char *window_name)
 
int cvWaitKey (int delay=0)
 

Detailed Description

Macro Definition Documentation

#define CV_GET_WHEEL_DELTA (   flags)    ((short)((flags >> 16) & 0xffff))
#define cvAddSearchPath (   path)
#define cvvAddSearchPath   cvAddSearchPath
#define cvvCreateTrackbar   cvCreateTrackbar
#define cvvDestroyWindow   cvDestroyWindow
#define cvvInitSystem   cvInitSystem
#define cvvNamedWindow   cvNamedWindow
#define cvvResizeWindow   cvResizeWindow
#define cvvShowImage   cvShowImage
#define cvvWaitKey (   name)    cvWaitKey(0)
#define cvvWaitKeyEx (   name,
  delay 
)    cvWaitKey(delay)
#define HG_AUTOSIZE   CV_WINDOW_AUTOSIZE
#define set_postprocess_func   cvSetPostprocessFuncWin32
#define set_preprocess_func   cvSetPreprocessFuncWin32

Typedef Documentation

typedef void( * CvButtonCallback) (int state, void *userdata)
typedef void( * CvMouseCallback) (int event, int x, int y, int flags, void *param)
typedef void( * CvOpenGlDrawCallback) (void *userdata)
typedef void( * CvTrackbarCallback) (int pos)
typedef void( * CvTrackbarCallback2) (int pos, void *userdata)

Enumeration Type Documentation

anonymous enum
Enumerator
CV_FONT_LIGHT 
CV_FONT_NORMAL 
CV_FONT_DEMIBOLD 
CV_FONT_BOLD 
CV_FONT_BLACK 
anonymous enum
Enumerator
CV_STYLE_NORMAL 
CV_STYLE_ITALIC 
CV_STYLE_OBLIQUE 
anonymous enum
Enumerator
CV_PUSH_BUTTON 
CV_CHECKBOX 
CV_RADIOBOX 
anonymous enum
Enumerator
CV_WND_PROP_FULLSCREEN 
CV_WND_PROP_AUTOSIZE 
CV_WND_PROP_ASPECTRATIO 
CV_WND_PROP_OPENGL 
CV_WINDOW_NORMAL 
CV_WINDOW_AUTOSIZE 
CV_WINDOW_OPENGL 
CV_GUI_EXPANDED 
CV_GUI_NORMAL 
CV_WINDOW_FULLSCREEN 
CV_WINDOW_FREERATIO 
CV_WINDOW_KEEPRATIO 
anonymous enum
Enumerator
CV_EVENT_MOUSEMOVE 
CV_EVENT_LBUTTONDOWN 
CV_EVENT_RBUTTONDOWN 
CV_EVENT_MBUTTONDOWN 
CV_EVENT_LBUTTONUP 
CV_EVENT_RBUTTONUP 
CV_EVENT_MBUTTONUP 
CV_EVENT_LBUTTONDBLCLK 
CV_EVENT_RBUTTONDBLCLK 
CV_EVENT_MBUTTONDBLCLK 
CV_EVENT_MOUSEWHEEL 
CV_EVENT_MOUSEHWHEEL 
anonymous enum
Enumerator
CV_EVENT_FLAG_LBUTTON 
CV_EVENT_FLAG_RBUTTON 
CV_EVENT_FLAG_MBUTTON 
CV_EVENT_FLAG_CTRLKEY 
CV_EVENT_FLAG_SHIFTKEY 
CV_EVENT_FLAG_ALTKEY 

Function Documentation

void cvAddText ( const CvArr *  img,
const char *  text,
CvPoint  org,
CvFont *  arg2 
)
int cvCreateButton ( const char *  button_name = NULL,
CvButtonCallback  on_change = NULL,
void *  userdata = NULL,
int  button_type = CV_PUSH_BUTTON,
int  initial_button_state = 0 
)
int cvCreateTrackbar ( const char *  trackbar_name,
const char *  window_name,
int *  value,
int  count,
CvTrackbarCallback  on_change = NULL 
)
int cvCreateTrackbar2 ( const char *  trackbar_name,
const char *  window_name,
int *  value,
int  count,
CvTrackbarCallback2  on_change,
void *  userdata = 0 
)
void cvDestroyAllWindows ( void  )
void cvDestroyWindow ( const char *  name)
Examples:
polar_transforms.cpp.
void cvDisplayOverlay ( const char *  name,
const char *  text,
int  delayms = 0 
)
void cvDisplayStatusBar ( const char *  name,
const char *  text,
int  delayms = 0 
)
CvFont cvFontQt ( const char *  nameFont,
int  pointSize = -1,
CvScalar  color = cvScalarAll(0),
int  weight = CV_FONT_NORMAL,
int  style = CV_STYLE_NORMAL,
int  spacing = 0 
)
int cvGetTrackbarPos ( const char *  trackbar_name,
const char *  window_name 
)
void* cvGetWindowHandle ( const char *  name)
const char* cvGetWindowName ( void *  window_handle)
double cvGetWindowProperty ( const char *  name,
int  prop_id 
)
int cvInitSystem ( int  argc,
char **  argv 
)
void cvLoadWindowParameters ( const char *  name)
void cvMoveWindow ( const char *  name,
int  x,
int  y 
)
Examples:
polar_transforms.cpp.
int cvNamedWindow ( const char *  name,
int  flags = CV_WINDOW_AUTOSIZE 
)
Examples:
polar_transforms.cpp.
void cvResizeWindow ( const char *  name,
int  width,
int  height 
)
void cvSaveWindowParameters ( const char *  name)
void cvSetMouseCallback ( const char *  window_name,
CvMouseCallback  on_mouse,
void *  param = NULL 
)
void cvSetOpenGlContext ( const char *  window_name)
void cvSetOpenGlDrawCallback ( const char *  window_name,
CvOpenGlDrawCallback  callback,
void *  userdata = NULL 
)
void cvSetTrackbarMax ( const char *  trackbar_name,
const char *  window_name,
int  maxval 
)
void cvSetTrackbarMin ( const char *  trackbar_name,
const char *  window_name,
int  minval 
)
void cvSetTrackbarPos ( const char *  trackbar_name,
const char *  window_name,
int  pos 
)
void cvSetWindowProperty ( const char *  name,
int  prop_id,
double  prop_value 
)
void cvShowImage ( const char *  name,
const CvArr *  image 
)
Examples:
polar_transforms.cpp.
int cvStartLoop ( int(*)(int argc, char *argv[])  pt2Func,
int  argc,
char *  argv[] 
)
int cvStartWindowThread ( void  )
void cvStopLoop ( void  )
void cvUpdateWindow ( const char *  window_name)
int cvWaitKey ( int  delay = 0)
Examples:
polar_transforms.cpp.
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