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WIA设备批量扫描
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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 WIA;
using System.IO;
using System.Drawing.Imaging;
using iTextSharp;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.Drawing.Drawing2D; namespace printTest
{ public partial class Form1 : Form
{ List<System.Drawing.Image> images = new List<System.Drawing.Image>();
public static List<string> GetDevices()
{
List<string> devices = new List<string>();
WIA.DeviceManager manager = new WIA.DeviceManager();
foreach (WIA.DeviceInfo info in manager.DeviceInfos)
{
devices.Add(info.DeviceID);
}
return devices;
} const string wiaFormatBMP = "{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}";
class WIA_DPS_DOCUMENT_HANDLING_SELECT
{
public const uint FEEDER = 0x00000001;
public const uint FLATBED = 0x00000002;
}
class WIA_DPS_DOCUMENT_HANDLING_STATUS
{
public const uint FEED_READY = 0x00000001;
}
class WIA_PROPERTIES
{
public const uint WIA_RESERVED_FOR_NEW_PROPS = ;
public const uint WIA_DIP_FIRST = ;
public const uint WIA_DPA_FIRST = WIA_DIP_FIRST + WIA_RESERVED_FOR_NEW_PROPS;
public const uint WIA_DPC_FIRST = WIA_DPA_FIRST + WIA_RESERVED_FOR_NEW_PROPS;
//
// Scanner only device properties (DPS)
//
public const uint WIA_DPS_FIRST = WIA_DPC_FIRST + WIA_RESERVED_FOR_NEW_PROPS;
public const uint WIA_DPS_DOCUMENT_HANDLING_STATUS = WIA_DPS_FIRST + ;
public const uint WIA_DPS_DOCUMENT_HANDLING_SELECT = WIA_DPS_FIRST + ;
} #region 画矩形使用到的变量
Point p1; //定义鼠标按下时的坐标点
Point p2; //定义移动鼠标时的坐标点
Point p3; //定义松开鼠标时的坐标点
#endregion #region 缩放、裁剪图像用到的变量
/// <summary>
///
/// </summary>
int x1; //鼠标按下时横坐标
int y1; //鼠标按下时纵坐标
int width; //所打开的图像的宽
int heigth; //所打开的图像的高
bool HeadImageBool = false; // 此布尔变量用来判断pictureBox1控件是否有图片
#endregion
Bitmap Bi; //定义位图对像
public Form1()
{
InitializeComponent();
} #region 扫描1
private void btnScan_Click(object sender, EventArgs e)
{ listBox1.Items.Clear();
lbDevices.Items.Clear();
List<string> devices = GetDevices(); foreach (string device in devices)
{
lbDevices.Items.Add(device);
}
//check if device is not available
if (lbDevices.Items.Count == )
{
MessageBox.Show("没有任何可用的打印、扫描设备！");
this.Close();
}
else
{
lbDevices.SelectedIndex = ;
} bool hasMorePages = true;
string deviceID = (string)lbDevices.SelectedItem;
while (hasMorePages)
{
//select the correct scanner using the provided scannerId parameter
WIA.DeviceManager manager = new WIA.DeviceManager();
WIA.Device device = null;
foreach (WIA.DeviceInfo info in manager.DeviceInfos)
{
if (info.DeviceID == deviceID)
{
// connect to scanner
device = info.Connect();
break;
}
}
// device was not found
if (device == null)
{
// enumerate available devices
string availableDevices = "";
foreach (WIA.DeviceInfo info in manager.DeviceInfos)
{
availableDevices += info.DeviceID + "\n";
} // show error with available devices
throw new Exception("The device with provided ID could not be found. Available Devices:\n" + availableDevices);
}
int i = device.Items.Count;
WIA.Item item = device.Items[] as WIA.Item; try
{
// scan image
WIA.ICommonDialog wiaCommonDialog = new WIA.CommonDialog();
WIA.ImageFile image = (WIA.ImageFile)wiaCommonDialog.ShowTransfer(item, wiaFormatBMP, false); // save to temp file
string fileName = Path.GetTempFileName();
File.Delete(fileName);
image.SaveFile(fileName);//保存temp文件
image = null;
int leng = @"C:\Users\ll\AppData\Local\Temp".Length;
// add file to output list
listBox1.Items.Add(fileName.Substring(leng, fileName.Length - leng));
//listBox1.Items.Add(fileName);
images.Add(System.Drawing.Image.FromFile(fileName));//C:\Users\ll\AppData\Local\Temp
}
catch (Exception exc)
{
//MessageBox.Show(exc.Message);
}
finally
{
item = null;
//determine if there are any more pages waiting
WIA.Property documentHandlingSelect = null;
WIA.Property documentHandlingStatus = null;
foreach (WIA.Property prop in device.Properties)
{
if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_SELECT)
documentHandlingSelect = prop;
if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_STATUS)
documentHandlingStatus = prop;
} // assume there are no more pages
hasMorePages = false; // may not exist on flatbed scanner but required for feeder
if (documentHandlingSelect != null)
{
// check for document feeder
if ((Convert.ToUInt32(documentHandlingSelect.get_Value()) & WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER) != )
{
hasMorePages = ((Convert.ToUInt32(documentHandlingStatus.get_Value()) & WIA_DPS_DOCUMENT_HANDLING_STATUS.FEED_READY) != );
}
}
}
}
if (images.Count >= )
{
pictureBox1.Image = images[];
double imageX = pictureBox1.Image.Width;
double imageY = pictureBox1.Image.Height; double picX = pictureBox1.Width;
double pixY = pictureBox1.Height; //pictureBox2.Image = images[0];
//pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
}
}
#endregion #region 保存
private void button1_Click(object sender, EventArgs e)
{
if (pictureBox2.Image != null)
{
string where = @"E:\" + DateTime.Now.ToString("yyyy-MM-dd HHmmss");
//save scanned image into specific folder
pictureBox2.Image.Save(where + ".jpeg", ImageFormat.Jpeg); // //iTextSharp.text.Rectangle pageSize = new iTextSharp.text.Rectangle(216f, 716f);
// iTextSharp.text.Rectangle pageSize = new iTextSharp.text.Rectangle(216f, 716f);
// pageSize.BackgroundColor = new iTextSharp.text.BaseColor(0xFF, 0xFF, 0xDE);
// iTextSharp.text.Image img1 = iTextSharp.text.Image.GetInstance(pictureBox1.Image, iTextSharp.text.BaseColor.WHITE);
// //设置边界
// //Document document = new Document(pageSize, 36f, 72f, 108f, 180f);
// Document document = new Document(pageSize, 36f, 72f, 108f, 180f);
// PdfWriter.GetInstance(document, new FileStream(where + ".pdf", FileMode.Create));
// // 添加文档信息
// document.AddTitle("PDFInfo");
// document.AddSubject("Demo of PDFInfo");
// document.AddKeywords("Info, PDF, Demo");
// document.AddCreator("SetPdfInfoDemo");
// document.AddAuthor("zeda");
// document.Open();
// // 添加文档内容
// document.Add(img1);
// document.Close();
}
}
#endregion #region 顺时针旋转
private void button4_Click(object sender, EventArgs e)
{
if (pictureBox1.Image != null)
{
try
{
Bitmap a = new Bitmap(pictureBox1.Image);//得到图片框中的图片
pictureBox1.Image = Rotate(a, );
//pictureBox1.SizeMode = PictureBoxSizeMode.AutoSize;
pictureBox1.Location = panel1.Location;
pictureBox1.Refresh();//最后刷新图片框
}
catch { }
}
}
#endregion #region 扫描4
private void button5_Click(object sender, EventArgs e)
{
ImageFile imageFile = null;
CommonDialogClass cdc = new WIA.CommonDialogClass(); try
{
imageFile = cdc.ShowAcquireImage(WIA.WiaDeviceType.ScannerDeviceType,
WIA.WiaImageIntent.TextIntent,
WIA.WiaImageBias.MaximizeQuality,
"{00000000-0000-0000-0000-000000000000}",
true,
true,
false); string fileName = Path.GetTempFileName();
File.Delete(fileName);
if (imageFile != null)
{
imageFile.SaveFile(fileName);//保存temp文件
imageFile = null;
int leng = @"C:\Users\ll\AppData\Local\Temp".Length;
// add file to output list
listBox1.Items.Add(fileName.Substring(leng, fileName.Length - leng));
//listBox1.Items.Add(fileName);
images.Add(System.Drawing.Image.FromFile(fileName));//C:\Users\ll\AppData\Local\Temp
foreach (System.Drawing.Image im in images)
{
string where = @"E:\" + DateTime.Now.ToString("yyyy-MM-dd HHmmss");
//save scanned image into specific folder
im.Save(where + ".jpeg", ImageFormat.Jpeg);
}
}
}
catch (System.Runtime.InteropServices.COMException)
{
imageFile = null;
}
}
#endregion
int i = ;
#region 增加
private void button2_Click(object sender, EventArgs e)
{
i++;
label1.Text = i.ToString();
if (i < images.Count && i >= )
{
pictureBox1.Image = images[i];
//pictureBox2.Image = images[i];
//pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
}
}
#endregion #region 减小
private void button3_Click(object sender, EventArgs e)
{
i--;
label1.Text = i.ToString();
if (i < images.Count && i >= )
{
pictureBox1.Image = images[i];
//pictureBox2.Image = images[i];
//pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
}
}
#endregion #region 旋转
private void button6_Click(object sender, EventArgs e)
{
if (pictureBox1.Image != null)
{
try
{
Bitmap a = new Bitmap(pictureBox1.Image);//得到图片框中的图片
pictureBox1.Image = Rotate(a, -);
//pictureBox1.SizeMode = PictureBoxSizeMode.AutoSize;
pictureBox1.Location = panel1.Location;
pictureBox1.Refresh();//最后刷新图片框
}
catch { }
}
}
#endregion #region 图片旋转函数
/// <summary>
/// 以逆时针为方向对图像进行旋转
/// </summary>
/// <param name="b">位图流</param>
/// <param name="angle">旋转角度[0,360](前台给的)</param>
/// <returns></returns>
public Bitmap Rotate(Bitmap b, int angle)
{
angle = angle % ; //弧度转换
double radian = angle * Math.PI / 180.0;
double cos = Math.Cos(radian);
double sin = Math.Sin(radian); //原图的宽和高
int w = b.Width;
int h = b.Height;
int W = (int)(Math.Max(Math.Abs(w * cos - h * sin), Math.Abs(w * cos + h * sin)));
int H = (int)(Math.Max(Math.Abs(w * sin - h * cos), Math.Abs(w * sin + h * cos))); //目标位图
Bitmap dsImage = new Bitmap(W, H);
Graphics g = Graphics.FromImage(dsImage); g.InterpolationMode = InterpolationMode.Bilinear; g.SmoothingMode = SmoothingMode.HighQuality; //计算偏移量
Point Offset = new Point((W - w) / , (H - h) / ); //构造图像显示区域：让图像的中心与窗口的中心点一致
System.Drawing.Rectangle rect = new System.Drawing.Rectangle(Offset.X, Offset.Y, w, h);
Point center = new Point(rect.X + rect.Width / , rect.Y + rect.Height / );
g.TranslateTransform(center.X, center.Y);
g.RotateTransform( - angle); //恢复图像在水平和垂直方向的平移
g.TranslateTransform(-center.X, -center.Y);
g.DrawImage(b, rect); //重至绘图的所有变换
g.ResetTransform(); g.Save();
g.Dispose();
return dsImage;
}
#endregion 图片旋转函数更多 0 private void Form1_Load(object sender, EventArgs e)
{
#region 滚动条
panel2.AutoScroll = true;
pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize; panel3.AutoScroll = true;
pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize; #endregion #region 自动缩放
//pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
//pictureBox1.Dock = System.Windows.Forms.DockStyle.Fill; //pictureBox2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
//pictureBox2.Dock = System.Windows.Forms.DockStyle.Fill;
#endregion
} private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
this.Cursor = Cursors.Cross;
this.p1 = new Point(e.X, e.Y);
x1 = e.X;
y1 = e.Y;
if (this.pictureBox1.Image != null)
{
HeadImageBool = true;
}
else
{
HeadImageBool = false;
}
} #region 移动鼠标发生的事件
/// <summary>
/// 鼠标移动事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
if (this.Cursor == Cursors.Cross)
{
this.p2 = new Point(e.X, e.Y);
if ((p2.X - p1.X) > && (p2.Y - p1.Y) > ) //当鼠标从左上角向开始移动时P3坐标
{
this.p3 = new Point(p1.X, p1.Y);
}
if ((p2.X - p1.X) < && (p2.Y - p1.Y) > ) //当鼠标从右上角向左下方向开始移动时P3坐标
{
this.p3 = new Point(p2.X, p1.Y);
}
if ((p2.X - p1.X) > && (p2.Y - p1.Y) < ) //当鼠标从左下角向上开始移动时P3坐标
{
this.p3 = new Point(p1.X, p2.Y);
}
if ((p2.X - p1.X) < && (p2.Y - p1.Y) < ) //当鼠标从右下角向左方向上开始移动时P3坐标
{
this.p3 = new Point(p2.X, p2.Y);
}
this.pictureBox1.Invalidate(); //使控件的整个图面无效,并导致重绘控件
}
}
#endregion #region 松开鼠标发生的事件,实例化ImageCut1类对像
ImageCut1 IC1; //定义所画矩形的图像对像
/// <summary>
/// 鼠标放开事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
if (HeadImageBool)
{
width = this.pictureBox1.Image.Width;
heigth = this.pictureBox1.Image.Height;
if ((e.X - x1) > && (e.Y - y1) > ) //当鼠标从左上角向右下方向开始移动时发生
{
IC1 = new ImageCut1(x1, y1, Math.Abs(e.X - x1), Math.Abs(e.Y - y1)); //实例化ImageCut1类
}
if ((e.X - x1) < && (e.Y - y1) > ) //当鼠标从右上角向左下方向开始移动时发生
{
IC1 = new ImageCut1(e.X, y1, Math.Abs(e.X - x1), Math.Abs(e.Y - y1)); //实例化ImageCut1类
}
if ((e.X - x1) > && (e.Y - y1) < ) //当鼠标从左下角向右上方向开始移动时发生
{
IC1 = new ImageCut1(x1, e.Y, Math.Abs(e.X - x1), Math.Abs(e.Y - y1)); //实例化ImageCut1类
}
if ((e.X - x1) < && (e.Y - y1) < ) //当鼠标从右下角向左上方向开始移动时发生
{
IC1 = new ImageCut1(e.X, e.Y, Math.Abs(e.X - x1), Math.Abs(e.Y - y1)); //实例化ImageCut1类
} if (IC1 != null)
{
this.pictureBox2.Width = (IC1.KiCut1((Bitmap)(this.pictureBox1.Image))).Width;
this.pictureBox2.Height = (IC1.KiCut1((Bitmap)(this.pictureBox1.Image))).Height;
this.pictureBox2.Image = IC1.KiCut1((Bitmap)(this.pictureBox1.Image)); //this.pictureBox2.Image = IC1.KiCut1((Bitmap)(this.pictureBox1.Image));
//boolShow1 = true;
//else if (pictureBox3.Image == null)
//{
// this.pictureBox3.Image = IC1.KiCut1((Bitmap)(this.pictureBox1.Image));
// boolShow2 = true;
//}
//else
//{
// if (boolShow2 == true)
// {
// this.pictureBox2.Image = IC1.KiCut1((Bitmap)(this.pictureBox1.Image));
// boolShow1 = true;
// boolShow2 = false;
// }
// else
// {
// this.pictureBox3.Image = IC1.KiCut1((Bitmap)(this.pictureBox1.Image));
// boolShow1 = false;
// boolShow2 = true;
// }
//}
}
this.Cursor = Cursors.Default;
}
else
{
this.Cursor = Cursors.Default;
}
}
#endregion #region 重新绘制pictureBox1控件，即移动鼠标画矩形
private void pictureBox1_Paint(object sender, PaintEventArgs e)
{
if (HeadImageBool)
{
Pen p = new Pen(Color.Black, );//画笔
p.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
//Bitmap bitmap = new Bitmap(strHeadImagePath);
Bitmap bitmap = Bi;
System.Drawing.Rectangle rect = new System.Drawing.Rectangle(p3, new Size(System.Math.Abs(p2.X - p1.X), System.Math.Abs(p2.Y - p1.Y)));
e.Graphics.DrawRectangle(p, rect); }
else
{
}
}
#endregion private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
//string fileName = DateTime.Now.ToString("yyyyMMddhhmmss");
//string path = Path.GetFullPath("images/");
//string[] files = Directory.GetFiles(path);
//foreach (string file in files)
//{
// if (file == path + fileName + ".jpg")
// {
// return;
// } //}
//using (Stream stream = new FileStream(path + fileName + ".jpg", FileMode.Create))
//{
// using (FileStream fs = new FileStream(listBox1.SelectedItem.ToString(), FileMode.Open))
// {
// byte[] bytes = new byte[1024 * 10];
// int len;
// while ((len = fs.Read(bytes, 0, bytes.Length)) > 0)
// {
// stream.Write(bytes, 0, len); // }
// }
//}
//System.Drawing.Image image = System.Drawing.Image.FromFile(path + fileName + ".jpg");
//pictureBox1.Image = image;
} }
}
