C API

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_WND_PROP_VISIBLE = 4,   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

CV_GET_WHEEL_DELTA

#define CV_GET_WHEEL_DELTA

(

flags

)

((short)((flags >> 16) & 0xffff))

cvAddSearchPath

#define cvAddSearchPath

(

path

)

cvvAddSearchPath

#define cvvAddSearchPath   cvAddSearchPath

cvvCreateTrackbar

#define cvvCreateTrackbar   cvCreateTrackbar

cvvDestroyWindow

#define cvvDestroyWindow   cvDestroyWindow

cvvInitSystem

#define cvvInitSystem   cvInitSystem

cvvNamedWindow

#define cvvNamedWindow   cvNamedWindow

cvvResizeWindow

#define cvvResizeWindow   cvResizeWindow

cvvShowImage

#define cvvShowImage   cvShowImage

cvvWaitKey

#define cvvWaitKey

(

name

)

cvWaitKey(0)

cvvWaitKeyEx

#define cvvWaitKeyEx	(		name,
			delay
	)		cvWaitKey(delay)

HG_AUTOSIZE

#define HG_AUTOSIZE   CV_WINDOW_AUTOSIZE

set_postprocess_func

#define set_postprocess_func   cvSetPostprocessFuncWin32

set_preprocess_func

#define set_preprocess_func   cvSetPreprocessFuncWin32

Typedef Documentation

CvButtonCallback

typedef void( * CvButtonCallback) (int state, void *userdata)

CvMouseCallback

typedef void( * CvMouseCallback) (int event, int x, int y, int flags, void *param)

CvOpenGlDrawCallback

typedef void( * CvOpenGlDrawCallback) (void *userdata)

CvTrackbarCallback

typedef void( * CvTrackbarCallback) (int pos)

CvTrackbarCallback2

typedef void( * CvTrackbarCallback2) (int pos, void *userdata)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
CV_FONT_LIGHT
CV_FONT_NORMAL
CV_FONT_DEMIBOLD
CV_FONT_BOLD
CV_FONT_BLACK

anonymous enum

anonymous enum

Enumerator
CV_STYLE_NORMAL
CV_STYLE_ITALIC
CV_STYLE_OBLIQUE

anonymous enum

anonymous enum

Enumerator
CV_PUSH_BUTTON
CV_CHECKBOX
CV_RADIOBOX

anonymous enum

anonymous enum

Enumerator
CV_WND_PROP_FULLSCREEN
CV_WND_PROP_AUTOSIZE
CV_WND_PROP_ASPECTRATIO
CV_WND_PROP_OPENGL
CV_WND_PROP_VISIBLE
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

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

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

cvAddText()

void cvAddText	(	const CvArr *	img,
		const char *	text,
		CvPoint	org,
		CvFont *	arg2
	)

cvCreateButton()

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
	)

cvCreateTrackbar()

int cvCreateTrackbar	(	const char *	trackbar_name,
		const char *	window_name,
		int *	value,
		int	count,
		CvTrackbarCallback	on_change = NULL
	)

cvCreateTrackbar2()

int cvCreateTrackbar2	(	const char *	trackbar_name,
		const char *	window_name,
		int *	value,
		int	count,
		CvTrackbarCallback2	on_change,
		void *	userdata = 0
	)

cvDestroyAllWindows()

void cvDestroyAllWindows

(

void

)

cvDestroyWindow()

void cvDestroyWindow

(

const char *

name

)

cvDisplayOverlay()

void cvDisplayOverlay	(	const char *	name,
		const char *	text,
		int	delayms = 0
	)

cvDisplayStatusBar()

void cvDisplayStatusBar	(	const char *	name,
		const char *	text,
		int	delayms = 0
	)

cvFontQt()

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
	)

cvGetTrackbarPos()

int cvGetTrackbarPos	(	const char *	trackbar_name,
		const char *	window_name
	)

cvGetWindowHandle()

void* cvGetWindowHandle

(

const char *

name

)

cvGetWindowName()

const char* cvGetWindowName

(

void *

window_handle

)

cvGetWindowProperty()

double cvGetWindowProperty	(	const char *	name,
		int	prop_id
	)

cvInitSystem()

int cvInitSystem	(	int	argc,
		char **	argv
	)

cvLoadWindowParameters()

void cvLoadWindowParameters

(

const char *

name

)

cvMoveWindow()

void cvMoveWindow	(	const char *	name,
		int	x,
		int	y
	)

cvNamedWindow()

int cvNamedWindow	(	const char *	name,
		int	flags = CV_WINDOW_AUTOSIZE
	)

cvResizeWindow()

void cvResizeWindow	(	const char *	name,
		int	width,
		int	height
	)

cvSaveWindowParameters()

void cvSaveWindowParameters

(

const char *

name

)

cvSetMouseCallback()

void cvSetMouseCallback	(	const char *	window_name,
		CvMouseCallback	on_mouse,
		void *	param = NULL
	)

cvSetOpenGlContext()

void cvSetOpenGlContext

(

const char *

window_name

)

cvSetOpenGlDrawCallback()

void cvSetOpenGlDrawCallback	(	const char *	window_name,
		CvOpenGlDrawCallback	callback,
		void *	userdata = NULL
	)

cvSetTrackbarMax()

void cvSetTrackbarMax	(	const char *	trackbar_name,
		const char *	window_name,
		int	maxval
	)

cvSetTrackbarMin()

void cvSetTrackbarMin	(	const char *	trackbar_name,
		const char *	window_name,
		int	minval
	)

cvSetTrackbarPos()

void cvSetTrackbarPos	(	const char *	trackbar_name,
		const char *	window_name,
		int	pos
	)

cvSetWindowProperty()

void cvSetWindowProperty	(	const char *	name,
		int	prop_id,
		double	prop_value
	)

cvShowImage()

void cvShowImage	(	const char *	name,
		const CvArr *	image
	)

cvStartLoop()

int cvStartLoop	(	int(*)(int argc, char *argv[])	pt2Func,
		int	argc,
		char *	argv[]
	)

cvStartWindowThread()

int cvStartWindowThread

(

void

)

cvStopLoop()

void cvStopLoop

(

void

)

cvUpdateWindow()

void cvUpdateWindow

(

const char *

window_name

)

cvWaitKey()

int cvWaitKey

(

int

delay = 0

)