PdfOperator/FrmOCR.cs

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using PaddleOCRSharp;
using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;

namespace PdfOperator
{
    public partial class FrmOCR : Form
    {
        public FrmOCR()
        {
            InitializeComponent();
        }

        // 图片路径
        string imgPath = null;
        //MemoryStream ms = new MemoryStream();


        /// <summary>
        /// 选择图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSelectImg_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFile = new OpenFileDialog();
            openFile.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
            openFile.Filter = "(*.jpg,*.png,*.jpeg,*.bmp)|*.jgp;*.png;*.jpeg;*.bmp;|All files(*.*)|*.*";
            if (openFile.ShowDialog() == DialogResult.OK)
            {
                imgPath = openFile.FileName;
                FileStream file = new FileStream(imgPath, FileMode.Open);
                //byte[] bytes = new byte[file.Length];
                //file.Read(bytes, 0, (int)file.Length);
                //ms.Write(bytes, 0, (int)file.Length);
                

                // this.picBox.Image = Image.FromFile(openFile.FileName);
                this.picBox.Image = Image.FromStream(file);
                file.Close();

                lblCopyRes.Visible = false;
            }
        }

        /// <summary>
        /// 点击按钮开始识别
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnStart_Click(object sender, EventArgs e)
        {
            // PaddleOCRSharp文字识别
            if (this.picBox.Image == null || string.IsNullOrEmpty(imgPath))
            {
                MessageBox.Show("请选择图片！", "提示");
                return;
            }