基本信息
源码名称:图像文字识别(Interop.MODI)
源码大小:0.20M
文件格式:.rar
开发语言:C#
更新时间:2016-07-01
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源码介绍
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Windows;
using System.Drawing.Imaging;
using System.Threading;
namespace DevOCR
{
public partial class Form1 : Form
{
// Declare the two dialog objects
// we'll be using.
//声明的两个对话框对象
//我们将使用。
MyWin m_WindowDlg;
ShowBitmap m_ShowBitmapDlg;
public Form1()
{
InitializeComponent();
}
private void btnCapture_Click(object sender, EventArgs e)
{
// Get the screen width and height.获取屏幕的宽度和高度。
int w = Screen.PrimaryScreen.Bounds.Width;
int h = Screen.PrimaryScreen.Bounds.Height;
// Create the dialog object on which we'll创建对话框对象上,我们将
// display the screen bitmap.在屏幕显示位图。
m_WindowDlg = new MyWin();
// Set to wait cursor so user knows something设置为等待光标,使用户知道的东西
// is going on.是怎么回事。
Cursor = Cursors.WaitCursor;
// Hide the main app window so that it isn't in the隐藏在主应用程序窗口,以便它不是在
// capture image (and wait since Vista takes its time).捕获图像(等待由于Vista需要的时间)。
Hide();
Thread.Sleep(200);
// Create the bitmap into which the screen will be copied.创建到该屏幕将被复制位图。
m_WindowDlg.m_objBitmap = new Bitmap(w, h,
PixelFormat.Format32bppArgb);
// Get the graphics context for the bitmap.获取为位图图形上下文。
Graphics g = Graphics.FromImage(m_WindowDlg.m_objBitmap);
// Copy the screen into the bitmap object.位图复制到对象的屏幕。
g.CopyFromScreen(0, 0, 0, 0, new Size(w, h));
// Show the main application window. We need显示主应用程序窗口。我们需要
// to do this because the child window won't这样做,因为子窗口不会
// behave properly if it's hidden or minimized.循规蹈矩,如果是隐藏或最小化。
Show();
// Create a delegate so that the EndCapture创建一个代表,让EndCapture
// method can be called.方法可以调用。
m_WindowDlg.m_EndCaptureMethod =
new MyWin.EndCaptureMethod(EndCapture);
// Show the captured screen.查看捕获的屏幕。
m_WindowDlg.Show();
// Hide the main application window.隐藏主应用程序窗口。
Hide();
// Set the location, size, and cursor of the设置的位置,大小,以及游标
// dialog in which the user will select对话框中,用户将选择
// a portion.的一部分。
m_WindowDlg.Location = new Point(0, 0);
m_WindowDlg.Size = new Size(w, h);
m_WindowDlg.Cursor = Cursors.Cross;
}
// This method is called once the user is这种方法被称为一旦用户
// finished selecting the screen region完成选择屏幕区域
// that will be OCRed.将文本识别过。
public void EndCapture(int x, int y, int w, int h)
{
// Restore cursor恢复光标
Cursor = Cursors.Default;
// Created the dialog in which we'll创建对话框中,我们将
// show the capture bitmap.显示位图的捕获。
m_ShowBitmapDlg = new ShowBitmap();
// Copy the bitmap from the selection bitmap复制从选择位图位图
// that was displayed to the display bitmap.这是显示在显示位图。
m_ShowBitmapDlg.m_objBitmap =
new Bitmap(w, h, PixelFormat.Format32bppArgb);
// Get the graphics context for the bitmap.获取为位图图形上下文
Graphics g =
Graphics.FromImage(m_ShowBitmapDlg.m_objBitmap);
// Copy the selected portion into the newly-created选定部分复制到新创建的
// bitmap.位图
g.DrawImage(m_WindowDlg.m_objBitmap,
new Rectangle(0, 0, w, h), x, y,
w, h, GraphicsUnit.Pixel);
// Hide the dialog that was used to display the 隐藏了用来显示对话框
// entire screen.整个屏幕。
m_WindowDlg.Hide();
// Add to the width and height the frame margins.增加宽度和高度的框架边缘
w = (m_ShowBitmapDlg.Bounds.Width -
m_ShowBitmapDlg.ClientRectangle.Width);
h = (m_ShowBitmapDlg.Bounds.Height -
m_ShowBitmapDlg.ClientRectangle.Height);
// Set the maximum size for the window in which设置的窗口,其中最大尺寸
// we'll display the bitmap.我们将会显示位图。
m_ShowBitmapDlg.MaximumSize =
m_ShowBitmapDlg.Size = new Size(w, h);
// Show the bitmap in the dialog.查看对话框中的位图。
m_ShowBitmapDlg.ShowDialog();
// Now re-show the main application window.现在重新出现在主应用程序窗口。
Show();
}
}
}