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using Bro.Common.Helper;
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using Bro.Common.Interface;
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using Bro.UI.Model.Winform;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Printing;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using ZXing;
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using ZXing.Common;
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//using System.Printing;
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namespace Bro.M141.Process
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{
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[MenuNode("PrinterStatus", "打印机显示界面", 2, EnumHelper.TopMenu.SystemInfo, MenuNodeType.Form)]
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public partial class UIPrinter : MenuFormBase
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//public partial class UIPrinter : UserControl
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{
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M141Config Config141 => Process.IConfig as M141Config;
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M141Process Process141 => Process as M141Process;
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public UIPrinter()
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{
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InitializeComponent();
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}
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public override void OnProcessUpdated()
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{
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base.OnProcessUpdated();
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printDocument1.PrintPage += new PrintPageEventHandler(printDocument_Print);
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}
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PrintDocument printDocument1 = new PrintDocument();
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int ttwith = (int)(80 * 4);
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int ttheigh = (int)(40 * 4);
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string message = "";
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public void StartPrint(string str)
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{
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ttwith = 320;
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ttheigh = 160;
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message = str;
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this.printDocument1.DefaultPageSettings.PrinterSettings.PrinterName = "Honeywell PX240S (300 dpi)";
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this.printDocument1.DefaultPageSettings.PaperSize = new PaperSize("Custum", ttwith, ttheigh);
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this.printDocument1.PrintController = new System.Drawing.Printing.StandardPrintController();
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this.printDocument1.Print();
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}
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private void printDocument_Print(object sender, PrintPageEventArgs e)
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{
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Font fntTxt = new Font("黑体", 15, System.Drawing.FontStyle.Bold);//正文文字
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System.Drawing.Brush brush = new SolidBrush(System.Drawing.Color.Black);//画刷
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try
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{
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string numvalue = message;
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Bitmap bitmap = CreateCode(numvalue);
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int with = (ttwith - bitmap.Width) / 2 - 20;
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int heih = (ttheigh - bitmap.Height) / 2;
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//條碼的位置
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e.Graphics.DrawImage(bitmap, new System.Drawing.Point(with, heih));
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//條碼信息數字的位置
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e.Graphics.DrawString(numvalue, fntTxt, brush, new System.Drawing.Point(bitmap.Width / 4 + with - 10, heih + bitmap.Height + 5));
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}
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catch (Exception ee)
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{
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MessageBox.Show(ee.Message);
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}
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}
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public static Bitmap CreateCode(string asset)
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{
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// 1.设置条形码规格
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EncodingOptions options = new EncodingOptions();
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options.Height = 100; // 必须制定高度、宽度
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options.Width = 250;
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// 2.生成条形码图片并保存
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var writer = new BarcodeWriter();
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writer.Options = options;
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writer.Format = BarcodeFormat.CODE_128; // 这里可以设定条码的标准
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//為true不自帶條碼信息
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options.PureBarcode = true;
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Bitmap bp = writer.Write(asset);
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return bp; // 生成图片
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}
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//打印
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private void button1_Click(object sender, EventArgs e)
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{
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message = textBox1.Text;
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if (string.IsNullOrEmpty(message))
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{
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MessageBox.Show("打印内容不可为空");
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return;
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}
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StartPrint(message);
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}
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//预览
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private void button2_Click(object sender, EventArgs e)
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{
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message = textBox1.Text;
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if (string.IsNullOrEmpty(message))
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{
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MessageBox.Show("打印内容不可为空");
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return;
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}
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PrintPreviewDialog printPreviewDialog1 = new PrintPreviewDialog();
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this.printDocument1.DefaultPageSettings.PrinterSettings.PrinterName = "Honeywell PX240S (300 dpi)";
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this.printDocument1.DefaultPageSettings.PaperSize = new PaperSize("Custum", ttwith, ttheigh);
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this.printDocument1.PrintPage += new PrintPageEventHandler(this.printDocument_Print);
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printPreviewDialog1.Document = printDocument1;
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DialogResult res = printPreviewDialog1.ShowDialog();
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printPreviewDialog1.Document.Dispose();
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}
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#region
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[DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)]
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private static extern bool OpenPrinter(string pPrinterName, out IntPtr hPrinter, IntPtr pDefault);
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[DllImport("winspool.drv", SetLastError = true)]
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private static extern bool ClosePrinter(IntPtr hPrinter);
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[DllImport("winspool.drv", SetLastError = true)]
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private static extern bool GetPrinter(IntPtr hPrinter,
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int dwLevel, IntPtr pPrinter, int cbBuf, out int pcbNeeded);
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[DllImport("winspool.drv", CharSet = CharSet.Auto)]
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public static extern int EnumJobs(IntPtr hPrinter, int FirstJob, int NoJobs, int Level, IntPtr pInfo, int cdBuf,
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out int pcbNeeded, out int pcReturned);
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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public struct PRINTER_INFO_2
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{
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public string pServerName;
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public string pPrinterName;
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public string pShareName;
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public string pPortName;
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public string pDriverName;
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public string pComment;
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public string pLocation;
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public IntPtr pDevMode;
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public string pSepFile;
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public string pPrintProcessor;
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public string pDatatype;
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public string pParameters;
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public IntPtr pSecurityDescriptor;
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public uint Attributes;
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public uint Priority;
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public uint DefaultPriority;
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public uint StartTime;
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public uint UntilTime;
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public uint Status;
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public uint cJobs;
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public uint AveragePPM;
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}
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/// <summary>
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/// 默认打印机的名称
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/// </summary>
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//private static string printerName = new LocalPrintServer().DefaultPrintQueue.Name;
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private static string printerName = "Honeywell PX240S (300 dpi)";
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/// <summary>
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/// 获取打印机的状态编码(方式1)
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/// </summary>
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/// <returns></returns>
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public static int GetPrinterStatusCodeInt()
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{
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int intRet = -1;
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IntPtr hPrinter;
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if (OpenPrinter(printerName, out hPrinter, IntPtr.Zero))
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{
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int cbNeeded = 0;
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bool bolRet = GetPrinter(hPrinter, 2, IntPtr.Zero, 0, out cbNeeded);
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if (cbNeeded > 0)
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{
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IntPtr pAddr = Marshal.AllocHGlobal((int)cbNeeded);
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bolRet = GetPrinter(hPrinter, 2, pAddr, cbNeeded, out cbNeeded);
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if (bolRet)
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{
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PRINTER_INFO_2 Info2 = new PRINTER_INFO_2();
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Info2 = (PRINTER_INFO_2)Marshal.PtrToStructure(pAddr, typeof(PRINTER_INFO_2));
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intRet = System.Convert.ToInt32(Info2.Status);
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}
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Marshal.FreeHGlobal(pAddr);
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}
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ClosePrinter(hPrinter);
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}
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return intRet;
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}
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/// <summary>
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/// 检查打印机是否可用(方式1)
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/// </summary>
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/// <param name="intStatusCodeValue"></param>
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/// <returns></returns>
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public static bool CheckIsEnable(int intStatusCodeValue)
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{
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bool isEnable = false;
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if (UIPrinter.GetTaskNumber() == 0)
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{
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return true;
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}
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if (intStatusCodeValue == 0x0008000 || intStatusCodeValue == 0x00000400 || intStatusCodeValue == 0x00004000)
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{
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return true;
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}
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return isEnable;
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}
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/// <summary>
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/// 获取打印机的状态信息(方式1)
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/// </summary>
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/// <returns></returns>
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public static string GetPrinterStatusMessage(int intStatusCodeValue)
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{
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string strRet = string.Empty;
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switch (intStatusCodeValue)
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{
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case 0:
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strRet = "准备就绪（Ready）";
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break;
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case 0x00000200:
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strRet = "忙(Busy）";
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break;
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case 0x00400000:
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strRet = "被打开（Printer Door Open）";
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break;
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case 0x00000002:
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strRet = "错误(Printer Error）";
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break;
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case 0x0008000:
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strRet = "初始化(Initializing）";
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break;
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case 0x00000100:
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strRet = "正在输入,输出（I/O Active）";
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break;
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case 0x00000020:
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strRet = "手工送纸（Manual Feed）";
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break;
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case 0x00040000:
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strRet = "无墨粉（No Toner）";
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break;
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case 0x00001000:
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strRet = "不可用（Not Available）";
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break;
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case 0x00000080:
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strRet = "脱机（Off Line）";
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break;
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case 0x00200000:
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strRet = "内存溢出（Out of Memory）";
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break;
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case 0x00000800:
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strRet = "输出口已满（Output Bin Full）";
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break;
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case 0x00080000:
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strRet = "当前页无法打印（Page Punt）";
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break;
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case 0x00000008:
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strRet = "塞纸（Paper Jam）";
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break;
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case 0x00000010:
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strRet = "打印纸用完（Paper Out）";
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break;
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case 0x00000040:
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strRet = "纸张问题（Page Problem）";
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break;
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case 0x00000001:
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strRet = "暂停（Paused）";
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break;
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case 0x00000004:
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strRet = "正在删除（Pending Deletion）";
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break;
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case 0x00000400:
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strRet = "正在打印（Printing）";
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break;
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case 0x00004000:
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strRet = "正在处理（Processing）";
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break;
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case 0x00020000:
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strRet = "墨粉不足（Toner Low）";
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break;
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case 0x00100000:
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strRet = "需要用户干预（User Intervention）";
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break;
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case 0x20000000:
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strRet = "等待（Waiting）";
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break;
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case 0x00010000:
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strRet = "热机中（Warming Up）";
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break;
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case 1048706:
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strRet = "色带已用尽";
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break;
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default:
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strRet = "未知状态（Unknown Status）";
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break;
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}
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return strRet;
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}
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/// <summary>
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/// 获取打印机正在打印的任务数(方式1)
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/// </summary>
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/// <returns></returns>
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public static int GetTaskNumber()
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{
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IntPtr handle;
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int FirstJob = 0;
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int NumJobs = 127;
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int pcbNeeded;
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int pcReturned = -1;
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OpenPrinter(printerName, out handle, IntPtr.Zero);
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// get num bytes required, here we assume the maxt job for the printer quest is 128 (0..127)
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EnumJobs(handle, FirstJob, NumJobs, 1, IntPtr.Zero, 0, out pcbNeeded, out pcReturned);
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// allocate unmanaged memory
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IntPtr pData = Marshal.AllocHGlobal(pcbNeeded);
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// get structs
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EnumJobs(handle, FirstJob, NumJobs, 1, pData, pcbNeeded, out pcbNeeded, out pcReturned);
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return pcReturned;
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}
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#endregion
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private void button3_Click(object sender, EventArgs e)
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{
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int taskNum = GetTaskNumber();
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int statuscode = GetPrinterStatusCodeInt();
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string status = GetPrinterStatusMessage(statuscode);
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//只有在打印机异常时再次下发打印任务后，才能获取到打印机状态。这是因为打印机驱动程序通常只在处理打印请求时更新其状态信息。如果打印机没有接收到新的打印任务，可能无法立即反映出真实状态。
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textBox2.Text = "taskNum:" + taskNum+ ",statuscode:"+ statuscode+",status:"+status;
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}
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}
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}
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