// 下列 ifdef 块是创建使从 DLL 导出更简单的
// 宏的标准方法。此 DLL 中的所有文件都是用命令行上定义的 SHAREMEMORY_IMAGE_EXPORTS
// 符号编译的。在使用此 DLL 的
// 任何其他项目上不应定义此符号。这样，源文件中包含此文件的任何其他项目都会将
// SHAREMEMORY_IMAGE_API 函数视为是从 DLL 导入的，而此 DLL 则将用此宏定义的
// 符号视为是被导出的。
#ifdef SHAREMEMORY_IMAGE_EXPORTS
#define SHAREMEMORY_IMAGE_API __declspec(dllexport)
#else
#define SHAREMEMORY_IMAGE_API __declspec(dllimport)
#endif
#ifndef SHAREMEMORY_IMAGE_EXPORTS
#ifdef _WIN64
#ifdef _DEBUG
#pragma comment(lib, "ShareMemory_ImageX64D.lib")
#else
#pragma comment(lib, "ShareMemory_ImageX64.lib")
#endif
#else
#ifdef _DEBUG
#pragma comment(lib, "ShareMemory_ImageD.lib")
#else
#pragma comment(lib, "ShareMemory_Image.lib")
#endif
#endif
#endif

#ifdef SHAREMEMORY_IMAGE_EXPORTS
#define SHAREMEMORY_IMAGE_API __declspec(dllexport)
#define SHAREMEMORY_IMAGE_C_API extern "C" __declspec(dllexport)
#else
#define SHAREMEMORY_IMAGE_API __declspec(dllimport)
#define SHAREMEMORY_IMAGE_C_API extern "C" __declspec(dllimport)
#endif

#include "ShareMemory_Block.h"



// 此类是从 ShareMemory_Image.dll 导出的
class SHAREMEMORY_IMAGE_API CShareMemory_Image : public CShareMemory_Block
{
	DWORD m_nImagePacketPoint;//包含info和data
	DWORD m_nImageInfoSize;
	DWORD m_nImageRawSize;
	DWORD m_nImageBlockSize;//Image申请的全部block大小
	DWORD m_Bid;

	unsigned char * m_pImageBlockBuff;//保存此ImageBlock对应共享内存的首地址

	bool ImageBlockWrite(LPVOID buff, DWORD size);
	bool ImageBlockRead(LPVOID buff, DWORD size);

	bool AddImageSequeue(unsigned long long seqid, unsigned long long frameid);
	bool SetImageSequeue(unsigned long long seqid, unsigned long long frameid);
	bool GetImageSequeue(unsigned long long & seqid, unsigned long long & frameid);

public:
	CShareMemory_Image();
	~CShareMemory_Image();

	DWORD SizeOfImageBlock();
	DWORD SizeOfImageRaw();
	DWORD SizeOfImageInfo();

	//第一步SetImageDataSize，生成整个ImageBlock的大小
	bool SetImageDataSize(unsigned long long width, unsigned long long height, unsigned long long bits, unsigned long long top, unsigned long long bottom, unsigned long long left, unsigned long long right);
	//第二步创建ImageBlock * N 大小的circle。调用ShareMemoryBlockSet，将获得此ImageBlock对应共享内存的首地址。在此之后，其他函数才能正常工作。
	virtual bool ShareMemoryBlockSet(DWORD Bid, int AccessFlags);
	
	//bool CreateImageDataBuff();

	bool ReadImageData(LPVOID & buff, DWORD & size);
	bool WriteImageData(LPVOID buff, DWORD size);
	bool ReadImageHeadandData(LPVOID & buff, DWORD & size);
	bool WriteImageHeadandData(LPVOID buff, DWORD size);

	bool AddImageFullSize(unsigned long long width, unsigned long long height, unsigned long long bits);
	bool AddImageTrim(unsigned long long top, unsigned long long bottom, unsigned long long left, unsigned long long right);
	bool AddImagetime(SYSTEMTIME st);
	bool AddImageXrayflag(unsigned long long flag);

	bool SetImageFullSize(unsigned long long width, unsigned long long height, unsigned long long bits);
	bool SetImageTrim(unsigned long long top, unsigned long long bottom, unsigned long long left, unsigned long long right);
	bool SetImagetime(SYSTEMTIME st);
	bool SetImageXrayflag(unsigned long long flag);

	bool GetImageFullSize(unsigned long long & width, unsigned long long & height, unsigned long long & bits);
	bool GetImageTrim(unsigned long long & top, unsigned long long & bottom, unsigned long long & left, unsigned long long & right);
	bool GetImagetime(SYSTEMTIME & st);
	bool GetImageXrayflag(unsigned long long & flag);

	bool AddImageHeadInfo(unsigned short key, unsigned long long &Val);
	bool SetImageHeadInfo(unsigned short key, unsigned long long &Val);
	bool GetImageHeadInfo(unsigned short key, unsigned long long &Val);

	bool SetImageId(unsigned long long id);
	bool GetImageId(unsigned long long & id);

	DWORD GetImageBlockId();
};