image.h

VC视频对象的跟踪提取原代码（vc视频监控源码）

/*
 * Image.h
 * general image class (base class)
 *
 * author : A M Baumberg
 */

#ifndef __IMAGE_H__
#define __IMAGE_H__

#include <cassert>
#include <cstring>  // for strncpy()

#ifndef NO_DISPLAY
// include graphics libraries
#ifdef USE_GL
#include <gl.h>
#else 
// use X interface and not GL
#include <X11/X.h>
#include <X11/Xlib.h>
// #include <X11/Xutil.h>
#include <X11/Xatom.h>
#endif   // #ifdef USE_GL
#endif   // #ifndef NO_DISPLAY

// includes
#include "realno.h"
#include "tracker_defines_types_and_helpers.h"
#include "Kernel.h"
#include "GreyMap.h"
#include "timestamp_c.h"
#include "EnvParameter.h"

namespace ReadingPeopleTracker
{

// forward declarations
class RGB32Image;
class Point2;
class GreyMap;

class Image
{
    // The following three lines should not be necessary since protected members
    // derived `public'ly should be accessible in derived classes.  Never mind.
    friend class Grey8Image;
    friend class RGB32Image;
    friend class HSV32Image;

public:
    // public static member variables

    // image_addressing_mode: determines the orientation of the v axis in the image.
    //   This should always be BOTTOM_TO_TOP, like axes in mathematics and physics.
    //   TOP_TO_BOTTOM: line 0 is the top line,  BOTTOM_TO_TOP: line 0 is the bottom line
    static const ImageAddressing image_addressing_mode;

    // image_storage_mode: determines the orientation of the image in memory.  This has an
    //   influence only on functions which operate in the image memory, e.g. JPEGSource.
    //   This should be set to the way your graphics library or display (e.g. X11) handles it.
    //   TOP_TO_BOTTOM: a lower memory address is closer to the top line of the image,
    //   BOTTOM_TO_TOP: a higher memory address is closer to the top line of the image.
    static const ImageAddressing image_storage_mode;
  
protected:
    frame_id_t frame_id;           // frame id: numeric identifier of this frame (frame number)
    frame_time_t frame_time_in_ms; // frame time in milliseconds since the Epoch
    // (01/01/1970) UTC (== GMT)