capturebuf.h

通过使机器人进行简单的图像识别

/********************************************************************
*
* =-----------------------------------------------------------------=
* =                          ____          _________                =
* =                         / _  \         \___  __/                =
* =                        / /_/ /     ____   / /                   =
* =                       /  _   \ ● / _  \ / /                    =
* =                      /  /_/  // // / / // /                     =
* =                      \______//_//_/ /_//_/                      =
* =                                                                 =
* =             Copyright (c) BIN Technology studio,2004            =
* =                           LET'Z BT                              =
* =-----------------------------------------------------------------=
*
*	FileName	: CaptureBuf.h CaptureBuf.cpp
*	Description	: 捕捉卡数据缓冲,完成对采集卡的初始化和数据流获取
*
*	Author		: 风间苍月(TuQbasic)
*	Email		: [e-mail]
*
*	Create		: 2004.04.10
*	LastChange	: 2004.04.12
*
*	History		: 
********************************************************************/ 
#pragma once
#include "Capture\DSStream.h"
#include "Engine\hGraphic2D.h"

typedef struct _sCaptureParam
{
	int			cap_card;
	int			cap_pin;
	unsigned int cap_width;
	unsigned int cap_height;
	HWND		cap_hwnd;
	bool		cap_show;

	_sCaptureParam(void)
	{
		cap_card= 0;
		cap_pin= 1;
		cap_width= 320;
		cap_height= 240;
		cap_hwnd= NULL;
		cap_show= false;
	}
}CAPTUREPARAM;

HRESULT InitCaptureCard(CAPTUREPARAM param);
void ReleaseCard(CAPTUREPARAM param);

// 保存采集卡的位图流,并将其扫描线置为正常顺序
class CCaptureBuf
{
public:
	CCaptureBuf(void);
	~CCaptureBuf(void);
	
	// 分配所需的内存空间
	bool Alloc(int cap_card);

	// 释放内存
	void Free(void);

	// 从采集卡数据流中更新缓冲区数据
	bool UpdateBuffer(int cap_card);

	bool UpdateBuffer(LPI_DXSURFACE ps);

	void Bitmap2Surface(LPI_DXSURFACE ps);

	inline const BITMAPINFOHEADER * const GetBitmapInfo(void) { return m_phdr;}
private:
	BITMAPINFOHEADER *m_phdr;
	long			m_size;
};