lewaimai_pos_windows/lewaimai_pos_windows/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，通过这个去找USB打印机
const GUID USB_GUID = {0x28d78fad, 0x5a12, 0x11d1, {0xae, 0x5b, 0x00, 0x00, 0xf8, 0x03, 0xa8, 0xc2 }};

//存储打印端口句柄的结构
class PrinterHandle
{
public:
	HANDLE hPort;
	int type; //句柄类型 1：usb 2：并口 3：串口
};

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

    void PrintWaimaiOrderShouyin(CWaimaiOrder& order);
	void PrintWaimaiOrderBiaoqian(CWaimaiOrder& order);
	void PrintWaimaiOrderChufang(CWaimaiOrder& order);

	//usb打印机的类型 1：收银小票打印机 2：标签打印机
	void InitUsb(int usbType = 1);
	std::vector<std::wstring> getUsbDevices();

private:
	void InitBingkou();
	void InitCom();

	void InitShouyin();

	//打开某一个指定的usb端口
	void InitOneUsb(wstring usb_path);

	//usb打印机的类型 1：收银小票打印机 2：标签打印机
	int GetDevicePath(LPGUID lpGuid, int usbType);

	//判断usb打印机是小票打印机还是标签打印机
	int GetPrinterType(wstring vid, wstring pid);

	int WriteData(string meg);
	int WriteBuf(const unsigned char* buf, int len);

	//端口连通性测试
	bool PortTest(HANDLE hPort);

	//小票打印机和厨房打印的处理方法
	int POS_Reset(void);
	int POS_FeedLine(void);
	int POS_Feed(void);
	int POS_SetMotionUnit(int x, int y);

	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_width = false, bool is_double_height = false, int align_type = 0);
	int POS_CutPaper();
	int POS_OutQRCode(std::string data);
	void PrintBmp(Bitmap* bmp);

	//标签打印机的处理方法
	void BIAOQIAN_Reset();
	void BIAOQIAN_FORMFEED();
	void BIAOQIAN_TEXTOUT(std::string content, int x, int y, int x_multiplication, int y_multiplication);
	void BIAOQIAN_PRINT();
	void BIAOQIAN_CLS();

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

	//对小票打印和厨房打印的名字进行换行处理
	std::vector<std::string> HandleFoodname(std::string oldname, int guige = 1);
	std::string HandleFoodItemPrice(std::string oldprice, int guige = 1);
	std::string HandleFoodQuantity(std::string oldquantity, int guige = 1);
	std::string HandleFoodTotalPrice(std::string oldprice, int guige = 1);

	//对标签打印的名字进行换行处理
	std::vector<std::string> HandleBiaoqianFoodname(std::string oldname);

private:
	//收银小票打印的句柄组合
	std::vector<PrinterHandle> m_hPorts;

	//用于厨房打印机和网口类型的收银小票打印
	boost::asio::io_service m_io;
	boost::asio::ip::tcp::socket m_socket;

	//这个是当前的输出模式，是CreateFile模式，还是socket模式
	int m_type;

	//usb打印机的描述
	std::vector<std::wstring> m_usb_devices;
};