[c#]二维码打印

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Printing;
using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
using ThoughtWorks.QRCode.Codec.Util;

namespace TwoDimensionCodePrint
{
    public partial class Print : Form
    {
        private int left = 0, top = 0, width = 150, height = 150;
        private string fileName = "d:\\二维码电子票\\红河谷大门票\\20141025111316红河谷大门票共30张.jpg";

        public Print()
        {
            InitializeComponent();
        }
        //打印
        private void btnPrint_Click(object sender, EventArgs e)
        {
            if (pictureBox1.Image == null)
            {
                MessageBox.Show("请选择二维码图片");
                return;
            }
            //打印预览
            PrintPreviewDialog printPreviewDialog = new PrintPreviewDialog();
            PrintDocument printDocument = new PrintDocument();
            //设置边距
            try
            {
                left = int.Parse(txtLeft.Text);
                top = int.Parse(txtTop.Text);
                width = int.Parse(txtWidth.Text);
                height = int.Parse(txtHeight.Text);
            }
            catch
            {
                MessageBox.Show("请输入正确的数字");
            }

            Margins margin = new Margins(left, left + width, top, top + height);
            printDocument.DefaultPageSettings.Margins = margin;
            //打印事件设置
            printDocument.PrintPage += new PrintPageEventHandler(this.PrintPageEvent);
            // 打印预览
            //printPreviewDialog.Document = printDocument;
            //printPreviewDialog.ShowDialog();
            try
            {
                printDocument.Print();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "打印出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
                printDocument.PrintController.OnEndPrint(printDocument, new PrintEventArgs());
            }
        }

        //打印事件处理
        private void PrintPageEvent(object sender, PrintPageEventArgs e)
        {
            //读取图片
            // 1 根据路径获取
            // Bitmap image = new Bitmap(fileName);
            // 2 从PictureBox获取
            // Image image = pictureBox1.Image;
            // 3 直接根据生成的二维码打印
            Image image = ProduceQRcode("司吉峰");
            //在指定区域打印二维码
            Rectangle destRect = new Rectangle(left, top, width, height);
            e.Graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, System.Drawing.GraphicsUnit.Pixel);
        }
        // 将结果填充到图片
        private void GetResultIntoImage(ref Image temp, string name, string date)
        {
            //读取图片
            Graphics g = Graphics.FromImage(temp);
            Font f = new Font("宋体", 12);
            Brush b = new SolidBrush(System.Drawing.Color.Black);
            //填充数据到图片
            g.DrawImage(temp, 0, 0, temp.Width, temp.Height);
            g.DrawString(name, f, b, 168, 105);
            g.DrawString(date, f, b, 176, 269);
            g.Dispose();
        }
        //生成二维码
        public Image ProduceQRcode(string TicketCodeContent)
        {
            QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
            qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
            qrCodeEncoder.QRCodeScale = 7;

            qrCodeEncoder.QRCodeVersion = 0;
            qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
            qrCodeEncoder.QRCodeBackgroundColor = System.Drawing.Color.White;
            qrCodeEncoder.QRCodeForegroundColor = System.Drawing.Color.Black;
            return qrCodeEncoder.Encode(TicketCodeContent);
        }
    }
}

运行界面：

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