C# OCR 识别(基于AspriseOCR.dll)

发布：2022/9/20 10:30:22作者：管理员来源：本站浏览次数：2001

OCR 字符识别,内含破解版识别接口可用于OCR 以及条码识别

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

}

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C# OCR 识别(基于AspriseOCR.dll)

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