_highgui.h

Simple example of using video accumulator on C++Builder6 + OpenCV1.0

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#ifndef __HIGHGUI_H_
#define __HIGHGUI_H_

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <ctype.h>
#include <assert.h>

#include "highgui.h"
#include "cxmisc.h"

#ifndef WIN32
#include "cvconfig.h"
#else
void  FillBitmapInfo( BITMAPINFO* bmi, int width, int height, int bpp, int origin );
#endif

/* Errors */
#define HG_OK          0 /* Don't bet on it! */
#define HG_BADNAME    -1 /* Bad window or file name */
#define HG_INITFAILED -2 /* Can't initialize HigHGUI. Possibly, can't find vlgrfmts.dll */
#define HG_WCFAILED   -3 /* Can't create a window */
#define HG_NULLPTR    -4 /* The null pointer where it should not appear */
#define HG_BADPARAM   -5 

#define CV_WINDOW_MAGIC_VAL     0x00420042
#define CV_TRACKBAR_MAGIC_VAL   0x00420043

#ifdef WIN32
#undef HAVE_MIL
#define HAVE_MIL 0 /* change 0 to 1 to turn on MIL support */
#endif

/***************************** CvCapture structure ******************************/

#define CV_CAPTURE_BASE_API_COUNT 6

typedef void (CV_CDECL* CvCaptureCloseFunc)( CvCapture* capture );
typedef int (CV_CDECL* CvCaptureGrabFrameFunc)( CvCapture* capture );
typedef IplImage* (CV_CDECL* CvCaptureRetrieveFrameFunc)( CvCapture* capture );
typedef double (CV_CDECL* CvCaptureGetPropertyFunc)( CvCapture* capture, int id );
typedef int (CV_CDECL* CvCaptureSetPropertyFunc)( CvCapture* capture,
                                                  int id, double value );
typedef const char* (CV_CDECL* CvCaptureGetDescriptionFunc)( CvCapture* capture );

typedef struct CvCaptureVTable
{
    int     count;
    CvCaptureCloseFunc close;
    CvCaptureGrabFrameFunc grab_frame;
    CvCaptureRetrieveFrameFunc retrieve_frame;
    CvCaptureGetPropertyFunc get_property;
    CvCaptureSetPropertyFunc set_property;
    CvCaptureGetDescriptionFunc get_description;
}
CvCaptureVTable;

typedef struct CvCapture
{
    CvCaptureVTable* vtable;
}
CvCapture;

#ifndef WIN32
#ifdef HAVE_CAMV4L
CvCapture* icvOpenCAM_V4L( int wIndex );
#endif
#ifdef HAVE_DC1394
CvCapture* icvOpenCAM_DC1394( int wIndex );
#endif
#endif

#endif /* __HIGHGUI_H_ */