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   源码介绍

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ORC识别图片

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.Runtime.InteropServices;

namespace ToText
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        #region DllImport
        [DllImport("AspriseOCR.dll", EntryPoint = "OCR", CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr OCR(string file, int type);

        [DllImport("AspriseOCR.dll", EntryPoint = "OCRpart", CallingConvention = CallingConvention.Cdecl)]
        static extern IntPtr OCRpart(string file, int type, int startX, int startY, int width, int height);

        [DllImport("AspriseOCR.dll", EntryPoint = "OCRBarCodes", CallingConvention = CallingConvention.Cdecl)]
        static extern IntPtr OCRBarCodes(string file, int type);

        [DllImport("AspriseOCR.dll", EntryPoint = "OCRpartBarCodes", CallingConvention = CallingConvention.Cdecl)]
        static extern IntPtr OCRpartBarCodes(string file, int type, int startX, int startY, int width, int height);
        #endregion

        #region 转换按钮事件
        // 转换按钮事件
        private void button2_Click(object sender, EventArgs e)
        {
            int startX = 0;
            int startY = 0;
            int width = -1;
            int height = -1;

            string img_path = txt_imgpath.Text; // 图片路径
            if (String.IsNullOrEmpty(img_path)) // 图片非空验证
            {
                MessageBox.Show("请先选择图片！");
                return;
            }
            try
            {
                Image img = Image.FromFile(img_path);
                width = img.Width;
                height = img.Height;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.StackTrace);
            }
            txt_result.Text = Marshal.PtrToStringAnsi(OCRpart(img_path, -1, startX, startY, width, height));
        }
        #endregion

        #region 浏览事件
        // 浏览事件
        private void btn_imgpath_Click(object sender, EventArgs e)
        {
            openFileDialog1.ShowDialog();
            txt_imgpath.Text = openFileDialog1.FileName;
        }
        // 浏览图片
        private void txt_imgpath_Click(object sender, EventArgs e)
        {
            openFileDialog1.ShowDialog();
            txt_imgpath.Text = openFileDialog1.FileName;
        }
        #endregion
      

    }
}