bbwy/BBWY.Client/Views/PackTask/PrintPackTaskDetail.xaml.cs

using BBWY.Client.Extensions;
using BBWY.Client.Helpers;
using BBWY.Client.Models;

using System;

using System.Drawing.Imaging;

using System.Net.Http;
using System.Printing;

using System.Windows;
using System.Windows.Controls;

using System.Windows.Media.Imaging;


namespace BBWY.Client.Views.PackTask
{
    /// <summary>
    /// PrintPackTaskDetail.xaml 的交互逻辑
    /// </summary>
    public partial class PrintPackTaskDetail : Window
    {
        public PrintPackTaskDetail(PackTaskModel model)
        {
            InitializeComponent();
           
            PackTaskModel = model;
            PackTaskModel.ItemList[0].Logo = PackTaskModel.ItemList[0].Logo.Replace("80*80", "110*110");
            //LoadImage(model.ItemList[0].Logo);
            BarcodeImage = MyPrintHelper.GetBarcodeImage(model.SkuId, 300, 60);
            this.DataContext = this;
         
            this.UpdateLayout();//刷新UI
        }
        public PackTaskModel PackTaskModel { get; set; }


        /// <summary>
        /// skuid条形码
        /// </summary>
        public BitmapImage BarcodeImage { get; set; }

        /// <summary>
        /// 图片
        /// </summary>
        public BitmapImage LogoImage { get; set; }

        public void PrintBox(string printName)
        {

            var localPrintServer = new LocalPrintServer();
            if (string.IsNullOrEmpty(printName))
            {
                return;
            }
            var printQueue = localPrintServer.GetPrintQueue(printName);
            if (printQueue.IsInError)
            {
                System.Windows.MessageBox.Show("打印机处于错误状态");
                return;
            }
            MyPrintHelper.SetDefaultPrint(printName);//设置默认打印机
            PrintDialog printDialog = new PrintDialog();

            printDialog.PrintTicket.PageOrientation = PageOrientation.ReversePortrait;//设置为横向打印 PageOrientation.Landscape   Portrait为纵向
                                                                                //设置纸张大小
            var pageWidth = (int)Math.Ceiling(printDialog.PrintableAreaWidth);
            var pageHeight = (int)Math.Ceiling(printDialog.PrintableAreaHeight);
            printDialog.PrintTicket.PageMediaSize = new PageMediaSize(pageWidth, pageHeight);
            print_box.Height = pageHeight;
            print_box.Width = pageWidth;
           // box_margin.Margin = new Thickness(50, 50, 50, 50);
            //box_margin.Margin = new Thickness(10);
            //this.jd_box.Arrange(new Rect(new Point(0, 0), new Size(pageWidth, pageHeight)));
            
                this.UpdateLayout();  //刷新界面
                printDialog.PrintVisual(this.print_box, "打印任务");
           
            //var applicationPath = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            //string printNames = System.IO.Path.Combine(applicationPath, "printName.init");
            //if (File.Exists(printNames))
            //{
            //    File.Delete(printNames);
            //}
            //System.IO.File.WriteAllText(printNames, printName);
            this.Close();
        }


        private async void LoadImage(string imageUrl)
        {
            try
            {
               

                using (HttpClient client = new HttpClient())
                {
                    // 发送 HTTP 请求并获取图片数据
                    byte[] imageData = await client.GetByteArrayAsync(imageUrl);

                    LogoImage= imageData.ByteToBitmapImage();
                    // 创建 BitmapImage 对象并设置图片数据
                    BitmapImage bitmapImage = new BitmapImage();
                    try
                    {
                        bitmapImage.BeginInit();

                        bitmapImage.StreamSource = new System.IO.MemoryStream(imageData);
                        bitmapImage.EndInit();
                        bitmapImage.Freeze();
                     
                    }
                    catch (Exception ex)
                    {
 
                    }

                    // 在 UI 线程上更新 Image 控件的 Source 属性
                    Application.Current.Dispatcher.Invoke(() =>
                    {
                        LogoImage = bitmapImage;
                    });
                }
            }
            catch (Exception ex)
            {
                // 处理加载图片失败的异常
                Console.WriteLine("加载图片失败：" + ex.Message);
            }
        }
    }
}