zhipuzi_pos_windows/lewaimai_dispatch/tool/CPosPrinter.h

#pragma once

#include "../pch/pch.h"
#include "../order/CWaimaiOrder.h"

//SetupDiGetInterfaceDeviceDetail所需要的输出长度，定义足够大
#define INTERFACE_DETAIL_SIZE	1024

//设备数量上限，假设16台上限
#define MAX_DEVICE 16

//USB类的GUID
const GUID USB_GUID = {0xa5dcbf10, 0x6530, 0x11d2, {0x90, 0x1f, 0x00, 0xc0, 0x4f, 0xb9, 0x51, 0xed}};

class CPosPrinter
{
public:
    CPosPrinter();
    ~CPosPrinter();

	bool Init();
    void PrintWaimaiOrder(CWaimaiOrder& order);

private:
	int GetDevicePath(LPGUID lpGuid, LPTSTR* pszDevicePath);
	int WriteData(string meg);
	int WriteBuf(char *buf, int len);

	int POS_Reset(void);
	int POS_FeedLine(void);
	int POS_Feed(void);
	int POS_SetMotionUnit(int x, int y);

	//设置横向跳格位置
	int POS_SET_MOVE_X();
	int POS_MOVE_X();
	int POS_SET_ABS_X(int x, int y);
	int POS_SET_PRINT_AREA(int x, int y);

	int POS_TextOut(string abc, bool is_double = false, int align_type = 0);

	int POS_CutPaper();
	int POS_OutQRCode();

	//字符空格计算的辅助函数
	void CalWord(string s,  int& nHanzi, int& nZimu);

	//对名字进行换行处理
	std::vector<std::string> HandleFoodname(std::string oldname);
	std::string HandleFoodItemPrice(std::string oldprice);
	std::string HandleFoodQuantity(std::string oldquantity);
	std::string HandleFoodTotalPrice(std::string oldprice);
private:
	HANDLE m_hPort = NULL;
};