/// <summary>
/// Captura a imagem da câmera digital.
/// </summary>
/// <param name="imageInfo">Imagem a ser capturada.</param>
/// <param name="outputBitmap">Bitmap de saída.</param>
/// <returns>True, se foi possível capturar a imagem e false, caso contrário.</returns>
public bool GetPicture(WIAImageInfo imageInfo, out Bitmap outputBitmap)
{
// cria common dialog
WIA.CommonDialogClass dlg = new WIA.CommonDialogClass();
bool ret = false;
// inicializa bitmap
outputBitmap = null;
try
{
// transfere imagem
WIA.ImageFile imageFile = (ImageFile)dlg.ShowTransfer(imageInfo.WIAItem, FormatID.wiaFormatJPEG, false);
// captura os dados binários da imagem
System.IO.MemoryStream memStream = new System.IO.MemoryStream((byte[])imageFile.FileData.get_BinaryData());
// cria bitmap em memória
outputBitmap = new Bitmap(memStream);
ret = true;
}
catch
{
ret = false;
}
// valor de retorno
return(ret);
}
/// <summary>
/// Seleciona a impressora a ser utilziada para digitalizar um documento
/// O usuário deve escolher onde salvar a imagem
/// </summary>
/// <param name="dialog"></param>
public static void ScanningToDisk()
{
////http://www.andrealveslima.com.br/blog/index.php/2015/12/16/como-escanear-documentos-com-o-c-digitalizacao-de-documentos/
CommonDialogClass dialog = new WIA.CommonDialogClass();
WIA.Device scanner = dialog.ShowSelectDevice(WIA.WiaDeviceType.ScannerDeviceType, true, false);
if (scanner != null)
{
dialog.ShowAcquisitionWizard(scanner);
}
}
public ScanAuto()
{
DefaultScaner = XmlHelper.GetConfig("DefaultScan");
LocalSavePath = XmlHelper.GetConfig("LocalPath");
DeviceManagerClass manager = new DeviceManagerClass();
Device WiaDev = null;
CommonDialogClass devCdc = new WIA.CommonDialogClass();
if (string.IsNullOrEmpty(DefaultScaner))
{
WiaDev = devCdc.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, true, false);
if (WiaDev != null)
{
XmlHelper.UpdateConfig("DefaultScan", WiaDev.DeviceID);
}
}
else
{
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType) continue;
if (info.DeviceID == DefaultScaner)
{
WiaDev = info.Connect();
break;
}
}
}
manager.RegisterEvent("{0C5E2143-FD9B-490B-9AD5-7637A403566B}", WiaDev.DeviceID);
manager.OnEvent += (eventID, deviceID, itemID) =>
{
Item item = WiaDev.Items[1];
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = cdc.ShowTransfer(item,
"{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}",
true) as ImageFile;
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
//imageFile.SaveFile(Path.Combine(LocalSavePath, DateTime.Now.Millisecond + ".jpg"));
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
imgs.Add(System.Drawing.Image.FromStream(ms));
}
}
};
}
public WIA.ImageFile ScanAndSaveOnePage()
{
WIA.CommonDialog Dialog1 = new WIA.CommonDialogClass();
WIA.DeviceManager DeviceManager1 = new WIA.DeviceManagerClass();
System.Object Object1 = null;
System.Object Object2 = null;
WIA.Device Scanner = null;
try
{
Scanner = Dialog1.ShowSelectDevice(WIA.WiaDeviceType.ScannerDeviceType, false, false);
}
catch
{
MessageBox.Show("请确认是否联系设备");
return(null);
throw;
}
WIA.Item Item1 = Scanner.Items[1];
setItem(Item1, "4104", 24);
setItem(Item1, "6146", 2);
setItem(Item1, "6147", 150);
setItem(Item1, "6148", 150);
setItem(Item1, "6151", 150 * 8.5);
setItem(Item1, "6152", 150 * 11);
WIA.ImageFile Image1 = new WIA.ImageFile();
WIA.ImageProcess ImageProcess1 = new WIA.ImageProcess();
Object1 = (Object)"Convert";
ImageProcess1.Filters.Add(ImageProcess1.FilterInfos.get_Item(ref Object1).FilterID, 0);
Object1 = (Object)"FormatID";
Object2 = (Object)WIA.FormatID.wiaFormatBMP;
ImageProcess1.Filters[1].Properties.get_Item(ref Object1).set_Value(ref Object2);
Object1 = null;
Object2 = null;
Image1 = (WIA.ImageFile)Item1.Transfer(WIA.FormatID.wiaFormatBMP);
return(Image1);
//string DestImagePath = @"C:\test.bmp";
//File.Delete(DestImagePath);
//Image1.SaveFile(DestImagePath);
}
/// <summary>
/// 文件扫描函数
/// </summary>
/// <param name="byteImage">输出图片二进制字节流</param>
/// <param name="x">扫描起始点x轴</param>
/// <param name="y">扫描起始点y轴</param>
/// <param name="w">扫描范围宽度</param>
/// <param name="h">扫描范围高度</param>
/// <returns>执行结构 true表示扫描成功 fale表示扫描失败</returns>
public bool ScanFile(out byte[] byteImage, int x, int y, int w, int h)
{
byteImage = null;
DeviceManager manager = new DeviceManagerClass();
Device device = null;
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType)
{
continue;
}
device = info.Connect();
break;
}
Item item = device.Items[1];
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = cdc.ShowTransfer(item,
"{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}",
true) as ImageFile;
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
using (System.IO.MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
string strCurpath = System.IO.Directory.GetCurrentDirectory() + "\\scantdtk.bmp";
Image.FromStream(ms).Save(strCurpath, ImageFormat.Bmp);
Image img = Clip((Bitmap)Image.FromStream(ms), x, y, w, h);
img.Save(strCurpath, ImageFormat.Bmp);
byteImage = System.IO.File.ReadAllBytes(strCurpath);
return(true);
}
}
else
{
return(false);
}
}
private void btnScan_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}",
false,
false,
false);
}
catch (System.Runtime.InteropServices.COMException)
{
imageFile = null;
}
if (imageFile != null)
{
// SaveFileDialog s = new SaveFileDialog();
//s.ShowDialog();
// imageFile.SaveFile(s.FileName);
//using (FileStream stream = new FileStream(s.FileName, FileMode.Open,
// FileAccess.Read, FileShare.Read))
//{
// pictureBox1.Image = Image.FromFile(s.FileName);
// }
}
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
pictureBox1.Image = Image.FromStream(ms);
}
}
}
public List<Image> StartScan()
{
imgs = null;
imgs = new List<Image>();
//var tempPath=Path.GetTempPath();
ImageFile imageFile;
DeviceManagerClass manager = new DeviceManagerClass();
Device WiaDev = null;
CommonDialogClass devCdc = new WIA.CommonDialogClass();
if (string.IsNullOrEmpty(DefaultScaner))
{
WiaDev = devCdc.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, true, false);
if (WiaDev != null)
{
XmlHelper.UpdateConfig("DefaultScan", WiaDev.DeviceID);
}
}
else
{
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType) continue;
if (info.DeviceID == DefaultScaner)
{
WiaDev = info.Connect();
break;
}
}
}
if (WiaDev == null)
{
try
{
WiaDev = devCdc.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, true, false);
if (WiaDev != null)
{
XmlHelper.UpdateConfig("DefaultScan", WiaDev.DeviceID); ;
}
else
{
throw new Exception("请确认扫描仪是否正常连接！");
//MessageBox.Show("请确认扫描仪是否正常连接！");
//return null;
}
}
catch
{
return null;
}
}
Property documentHandlingSelect1 = null;
foreach (Property prop in WiaDev.Properties)
{
if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_SELECT)
{
documentHandlingSelect1 = prop;
object obj = new object();
//obj = (WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER);
obj = (WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER);
documentHandlingSelect1.set_Value(ref obj);
}
//else if (prop.PropertyID == 3013)
//{
// object val = 1;
// prop.set_Value(ref val);
//}
//Pages
else if (prop.PropertyID == 3096)
{
object val = 1;
prop.set_Value(ref val);
}
else if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_STATUS)
{
documentHandlingSelect1 = prop;
}
}
int dpi = 200;
Item item = WiaDev.Items[1];
foreach (WIA.Property itemProperty in item.Properties)
{
//IProperty tempProperty;
Object tempNewProperty;
if (itemProperty.Name.Equals("Horizontal Resolution"))
{
tempNewProperty = dpi;
((IProperty)itemProperty).set_Value(ref tempNewProperty);
}
else if (itemProperty.Name.Equals("Vertical Resolution"))
{
tempNewProperty = dpi;
((IProperty)itemProperty).set_Value(ref tempNewProperty);
}//Colour intent
else if (itemProperty.PropertyID == 6146)
{
object val2 = 4;
((IProperty)itemProperty).set_Value(ref val2);
}
//else if (itemProperty.PropertyID == 4110)
//{
// object val2 = 1100;
// ((IProperty)itemProperty).set_Value(ref val2);
//}
//else if (itemProperty.PropertyID == 4120)
//{
// object val1 = 2;
// ((IProperty)itemProperty).set_Value(ref val1);
//}
//else if (itemProperty.PropertyID == 4102)
//{
// object val1 = 1;
// ((IProperty)itemProperty).set_Value(ref val1);
//}
//4104 _ Bits Per Pixel
//else if (itemProperty.PropertyID == 4112)
//{
// object val1 = 2481;
// ((IProperty)itemProperty).set_Value(ref val1);
//}
else if (itemProperty.Name.Equals("Horizontal Extent"))
{
tempNewProperty = 8.27 * dpi;
((IProperty)itemProperty).set_Value(ref tempNewProperty);
}
else if (itemProperty.Name.Equals("Vertical Extent"))
{
tempNewProperty = 11.69 * dpi;
((IProperty)itemProperty).set_Value(ref tempNewProperty);
}
}
CommonDialogClass cdc = new WIA.CommonDialogClass();
try
{
imageFile = cdc.ShowTransfer(item,wiaFormatJPEG, false) as ImageFile;
}
catch (System.Runtime.InteropServices.COMException ex)
{
imageFile = null;
}
while (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
//imageFile.SaveFile(Path.Combine(LocalSavePath, DateTime.Now.Millisecond + ".bmp"));
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
imgs.Add(System.Drawing.Image.FromStream(ms));
ms.Close();
ms.Dispose();
}
buffer = null;
imageFile = null;
//MethodInvoker mm = delegate
//{
// try
// {
// var tmp = Path.GetTempPath();
// foreach (string d in Directory.GetFileSystemEntries(tmp))
// {
// if (d.Contains("img") && File.Exists(d))
// {
// FileInfo fi = new FileInfo(d);
// if (fi.Attributes.ToString().IndexOf("ReadOnly") != -1)
// fi.Attributes = FileAttributes.Normal;
// File.Delete(d);//直接删除其中的文件
// }
// }
// }
// catch (Exception ex)
// {
// }
//};
//mm.BeginInvoke(null, null);
try
{
imageFile = cdc.ShowTransfer(item, wiaFormatJPEG, false) as ImageFile;
}
catch (Exception ex)
{
continue;
//return imgs;
//throw new Exception(ex.Message);
}
}
return imgs.ToList();
}
private void btnAutoScan_Click(object sender, EventArgs e)
{
DeviceManager manager = new DeviceManagerClass();
Device device = null;
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType)
{
continue;
}
device = info.Connect();
break;
}
Item item = device.Items[1];
//string s = "";
//for (int i = 1; i < item.Properties.Count - 1; i++)
//{
// object o = (int)i;
// Property p = item.Properties.get_Item(ref o);
// s += p.Name + "----" + p.PropertyID + "----" + Convert.ToString(p.get_Value()) + "\r\n";
//}
int dpi = (int)numericUpDown1.Value;
ScanColor color = (ScanColor)this._colors[this.comboBox1.SelectedIndex];
object obj = (int)color;
object obj2 = "6146";//WiaImageIntent
setItem(item, obj2, obj);
object obj3 = dpi;
object obj4 = "6147";
setItem(item, obj4, obj3);
object obj5 = dpi;
object obj6 = "6148";
setItem(item, obj6, obj5);
setItem(item, "6151", 800);
setItem(item, "6152", 100 * 11);
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = cdc.ShowTransfer(item,
"{B96B3CAF-0728-11D3-9D7B-0000F81EF32E}",
true) as ImageFile;
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
pictureBox1.Image = Image.FromStream(ms);
}
}
}
/// <summary>
/// 扫描文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnImageMagnify_Click(object sender, EventArgs e)
{
try
{
DeviceManager manager = new DeviceManagerClass();
Device device = null;
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType)
{
continue;
}
device = info.Connect();
break;
}
Item item = device.Items[1];
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = null;
imageFile = cdc.ShowAcquireImage(WIA.WiaDeviceType.ScannerDeviceType,
WIA.WiaImageIntent.TextIntent,
WIA.WiaImageBias.MaximizeQuality,
"{00000000-0000-0000-0000-000000000000}",
true,
true,
false);
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
string filePath = Server.MapPath("~/") + AttachPath; ///文件夹
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
string name = "\\";
var menu = BLL.SysMenuService.GetSysMenuByMenuId(this.MenuId);
if (menu != null)
{
name += menu.MenuName;
}
name += Funs.GetNewFileName() + ".jpg";
string url = filePath + name;
if (!string.IsNullOrEmpty(url))
{
using (FileStream fs = new FileStream(url, FileMode.Create, FileAccess.Write))
{
ms.WriteTo(fs);
string attachUrl = AttachPath + name;
if (!string.IsNullOrEmpty(attachUrl))
{
attachUrl = attachUrl.Replace('/', '\\');
}
string oldSrouce = string.Empty;
string FullPath = string.Empty;
Model.AttachFile att = Funs.DB.AttachFile.FirstOrDefault(x => x.ToKeyId == this.ToKeyId);
if (att != null && !string.IsNullOrEmpty(att.AttachUrl))
{
FullPath = att.AttachUrl + "," + attachUrl;
oldSrouce = att.AttachSource;
}
else
{
FullPath = attachUrl;
}
string source = BLL.UploadFileService.GetSourceByAttachUrl(attachUrl, buffer.Length, oldSrouce);
//this.SaveData(source, FullPath); ///保存方法
Session[sessionName] = JArray.Parse(source);
}
this.BindGrid();
ShowNotify("扫描完成!", MessageBoxIcon.Success);
}
}
}
}
catch
{
ShowNotify("请检查扫描仪是否连接正确!", MessageBoxIcon.Warning);
}
}
public List<Image> StartScan()
{
ImageFile imageFile;
DeviceManagerClass manager = new DeviceManagerClass();
Device WiaDev = null;
CommonDialogClass devCdc = new WIA.CommonDialogClass();
if (string.IsNullOrEmpty(DefaultScaner))
{
WiaDev = devCdc.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, true, false);
if (WiaDev != null)
{
XmlHelper.UpdateConfig("DefaultScan", WiaDev.DeviceID);
}
}
else
{
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType) continue;
if (info.DeviceID == DefaultScaner)
{
WiaDev = info.Connect();
break;
}
}
}
if (WiaDev == null)
{
try
{
WiaDev = devCdc.ShowSelectDevice(WiaDeviceType.ScannerDeviceType, true, false);
if (WiaDev != null)
{
XmlHelper.UpdateConfig("DefaultScan", WiaDev.DeviceID); ;
}
else
{
throw new Exception("请确认扫描仪是否正常连接！");
//MessageBox.Show("请确认扫描仪是否正常连接！");
//return null;
}
}
catch
{
return null;
}
}
Property documentHandlingSelect1 = null;
foreach (Property prop in WiaDev.Properties)
{
if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_SELECT)
{
documentHandlingSelect1 = prop;
object obj = new object();
//obj = (WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER);
obj = (WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER);
documentHandlingSelect1.set_Value(ref obj);
}
//else if (prop.PropertyID == 3013)
//{
// object val = 1;
// prop.set_Value(ref val);
//}
//Pages
else if (prop.PropertyID == 3096)
{
object val = 1;
prop.set_Value(ref val);
}
else if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_STATUS)
{
documentHandlingSelect1 = prop;
}
}
Item item = WiaDev.Items[1];
foreach (WIA.Property itemProperty in item.Properties)
{
//IProperty tempProperty;
Object tempNewProperty;
if (itemProperty.Name.Equals("Horizontal Resolution"))
{
tempNewProperty = 100;
((IProperty)itemProperty).set_Value(ref tempNewProperty);
}
else if (itemProperty.Name.Equals("Vertical Resolution"))
{
tempNewProperty = 100;
((IProperty)itemProperty).set_Value(ref tempNewProperty);
}
//else if (itemProperty.Name.Equals("Horizontal Extent"))
//{
// //tempNewProperty = 619;
// //((IProperty)itemProperty).set_Value(ref tempNewProperty);
//}
//else if (itemProperty.Name.Equals("Vertical Extent"))
//{
// //tempNewProperty = 876;
// //((IProperty)itemProperty).set_Value(ref tempNewProperty);
//}
}
CommonDialogClass cdc = new WIA.CommonDialogClass();
try
{
imageFile = cdc.ShowTransfer(item, wiaFormatJPEG, false) as ImageFile;
}
catch (System.Runtime.InteropServices.COMException ex)
{
imageFile = null;
}
while (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
//imageFile.SaveFile(Path.Combine(LocalSavePath, DateTime.Now.Millisecond + ".jpg"));
using (MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
imgs.Add(System.Drawing.Image.FromStream(ms));
}
imageFile = null;
try
{
imageFile = cdc.ShowTransfer(item, wiaFormatJPEG, false) as ImageFile;
}
catch (Exception ex)
{
continue;
//return imgs;
//throw new Exception(ex.Message);
}
}
return imgs;
}
/// <summary>
/// 自动扫描文件
/// </summary>
/// <param name="byteImage">输出图片二进制字节流</param>
/// <returns>执行结构 true表示扫描成功 fale表示扫描失败</returns>
public bool AutoScanFile(out byte[] byteImage)
{
byteImage = null;
int xLeft = 0;
int xRight = 0;
int yTotp = 0;
int yBotom = 0;
DeviceManager manager = new DeviceManagerClass();
Device device = null;
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType)
{
continue;
}
device = info.Connect();
break;
}
Item item = device.Items[1];
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = cdc.ShowTransfer(item,
"{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}",
true) as ImageFile;
System.IO.MemoryStream ms = new MemoryStream();
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
ms.Write(buffer, 0, buffer.Length);
}
else
{
return(false);
}
Color c1 = new Color();
Color c2 = new Color();
Color c3 = new Color();
Color c4 = new Color();
Color c5 = new Color();
Color c6 = new Color();
Color c7 = new Color();
Color c8 = new Color();
Color c9 = new Color();
int rr, r1, r2, r3, r4, r5, r6, r7, r8, r9, fxr, i, j;
// int g1, g2, g3, g4, fxg, fyg, b1, b2, b3, b4, fxb, fyb;
Bitmap imgTem = (Bitmap)Bitmap.FromStream(ms);
for (i = 1; i < imgTem.Width - 2; i++)
{
for (j = 1; j < imgTem.Height - 2; j++)
{
c1 = imgTem.GetPixel(i, j - 1);
c2 = imgTem.GetPixel(i - 1, j);
c3 = imgTem.GetPixel(i, j);
c4 = imgTem.GetPixel(i + 1, j);
c5 = imgTem.GetPixel(i, j + 1);
c6 = imgTem.GetPixel(i - 1, j - 1);
c7 = imgTem.GetPixel(i - 1, j + 1);
c8 = imgTem.GetPixel(i + 1, j - 1);
c9 = imgTem.GetPixel(i + 1, j + 1);
r1 = c1.R;
r2 = c2.R;
r3 = c3.R;
r4 = c4.R;
r5 = c5.R;
r6 = c6.R;
r7 = c7.R;
r8 = c8.R;
r9 = c9.R;
fxr = 8 * r3 - r1 - r2 - r4 - r5 - r6 - r7 - r8 - r9;
// fyr = r6 + 2 * r1 + r8 - r7 - 2 * r5 - r9;
rr = Math.Abs(fxr);
if (rr < 0)
{
rr = 0;
}
if (rr > 255)
{
rr = 255;
}
Color cc = Color.FromArgb(rr, rr, rr);
imgTem.SetPixel(i, j, cc);
}
}
bool isc = false;
Color pixel;
//污点熟练
int maxc = 5;
#region 扫描左空白
for (int x = 1; x < imgTem.Width - 2; x++)
{
int c = 0;
for (int y = 1; y < imgTem.Height - 2; y++)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
isc = true;
}
}
if (isc == false)
{
xLeft = x;
break;
}
}
#endregion
#region 扫描右空白
for (int x = imgTem.Width - 2; x > 2; x--)
{
int c = 0;
for (int y = imgTem.Height - 2; y > 2; y--)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
isc = true;
}
}
if (isc == false)
{
xRight = x;
break;
}
}
#endregion
#region 扫描底部空白
for (int y = imgTem.Height - 2; y > 2; y--)
{
int c = 0;
for (int x = imgTem.Width - 2; x > 2; x--)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
//imgTem = Clip(imgTem, 0, 0, x, imgTem.Height);
//pictureimgTem.Image = imgTem;
//pictureimgTem.Image = imgTem;
isc = true;
}
}
if (isc == false)
{
yBotom = y;
break;
}
}
#endregion
#region 扫描上部空白
for (int y = 1; y < imgTem.Height - 2; y++)
{
int c = 0;
for (int x = 1; x < imgTem.Width - 2; x++)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
isc = true;
}
}
if (isc == false)
{
yTotp = y;
break;
}
}
#endregion
//剪切图片
imgTem = (Bitmap)Bitmap.FromStream(ms);
imgTem = Clip(imgTem, xLeft - 5, yTotp - 5, xRight - xLeft + 5, yBotom - yTotp + 5);
string strCurpath = System.IO.Directory.GetCurrentDirectory() + "\\scantdtk.bmp";
imgTem.Save(strCurpath, ImageFormat.Bmp);
byteImage = System.IO.File.ReadAllBytes(strCurpath);
return(true);
}
/// <summary>
/// 自动扫描文件
/// </summary>
/// <param name="byteImage">输出图片二进制字节流</param>
/// <returns>执行结构 true表示扫描成功 fale表示扫描失败</returns>
public bool AutoScanFile(out byte[] byteImage)
{
byteImage = null;
int xLeft = 0;
int xRight = 0;
int yTotp=0;
int yBotom=0;
DeviceManager manager = new DeviceManagerClass();
Device device = null;
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType) continue;
device = info.Connect();
break;
}
Item item = device.Items[1];
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = cdc.ShowTransfer(item,
"{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}",
true) as ImageFile;
System.IO.MemoryStream ms = new MemoryStream();
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
ms.Write(buffer, 0, buffer.Length);
}
else
{
return false;
}
Color c1 = new Color();
Color c2 = new Color();
Color c3 = new Color();
Color c4 = new Color();
Color c5 = new Color();
Color c6 = new Color();
Color c7 = new Color();
Color c8 = new Color();
Color c9 = new Color();
int rr, r1, r2, r3, r4, r5, r6, r7, r8, r9, fxr, i, j;
// int g1, g2, g3, g4, fxg, fyg, b1, b2, b3, b4, fxb, fyb;
Bitmap imgTem = (Bitmap)Bitmap.FromStream(ms);
for (i = 1; i < imgTem.Width - 2; i++)
{
for (j = 1; j < imgTem.Height - 2; j++)
{
c1 = imgTem.GetPixel(i, j - 1);
c2 = imgTem.GetPixel(i - 1, j);
c3 = imgTem.GetPixel(i, j);
c4 = imgTem.GetPixel(i + 1, j);
c5 = imgTem.GetPixel(i, j + 1);
c6 = imgTem.GetPixel(i - 1, j - 1);
c7 = imgTem.GetPixel(i - 1, j + 1);
c8 = imgTem.GetPixel(i + 1, j - 1);
c9 = imgTem.GetPixel(i + 1, j + 1);
r1 = c1.R;
r2 = c2.R;
r3 = c3.R;
r4 = c4.R;
r5 = c5.R;
r6 = c6.R;
r7 = c7.R;
r8 = c8.R;
r9 = c9.R;
fxr = 8 * r3 - r1 - r2 - r4 - r5 - r6 - r7 - r8 - r9;
// fyr = r6 + 2 * r1 + r8 - r7 - 2 * r5 - r9;
rr = Math.Abs(fxr);
if (rr < 0) rr = 0;
if (rr > 255) rr = 255;
Color cc = Color.FromArgb(rr, rr, rr);
imgTem.SetPixel(i, j, cc);
}
}
bool isc = false;
Color pixel;
//污点熟练
int maxc = 5;
#region 扫描左空白
for (int x = 1; x < imgTem.Width - 2; x++)
{
int c = 0;
for (int y = 1; y < imgTem.Height - 2; y++)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
isc = true;
}
}
if (isc == false)
{
xLeft = x;
break;
}
}
#endregion
#region 扫描右空白
for (int x = imgTem.Width - 2; x > 2; x--)
{
int c = 0;
for (int y = imgTem.Height - 2; y > 2; y--)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
isc = true;
}
}
if (isc == false)
{
xRight = x;
break;
}
}
#endregion
#region 扫描底部空白
for (int y = imgTem.Height - 2; y > 2; y--)
{
int c = 0;
for (int x = imgTem.Width - 2; x > 2; x--)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
//imgTem = Clip(imgTem, 0, 0, x, imgTem.Height);
//pictureimgTem.Image = imgTem;
//pictureimgTem.Image = imgTem;
isc = true;
}
}
if (isc == false)
{
yBotom = y;
break;
}
}
#endregion
#region 扫描上部空白
for (int y = 1; y < imgTem.Height - 2; y++)
{
int c = 0;
for (int x = 1; x < imgTem.Width - 2; x++)
{
pixel = imgTem.GetPixel(x, y);
int r, g, b;
r = pixel.R;
g = pixel.G;
b = pixel.B;
if (r == 255 && g == 255 && b == 255)
{
c++;
if (c >= maxc)
{
isc = false;
break;
}
}
else
{
isc = true;
}
}
if (isc == false)
{
yTotp = y;
break;
}
}
#endregion
//剪切图片
imgTem = (Bitmap)Bitmap.FromStream(ms);
imgTem = Clip(imgTem, xLeft - 5, yTotp - 5, xRight - xLeft + 5, yBotom - yTotp + 5);
string strCurpath = System.IO.Directory.GetCurrentDirectory() + "\\scantdtk.bmp";
imgTem.Save(strCurpath, ImageFormat.Bmp);
byteImage = System.IO.File.ReadAllBytes(strCurpath);
return true;
}
/// <summary>
/// 文件扫描函数
/// </summary>
/// <param name="byteImage">输出图片二进制字节流</param>
/// <param name="x">扫描起始点x轴</param>
/// <param name="y">扫描起始点y轴</param>
/// <param name="w">扫描范围宽度</param>
/// <param name="h">扫描范围高度</param>
/// <returns>执行结构 true表示扫描成功 fale表示扫描失败</returns>
public bool ScanFile(out byte[] byteImage, int x, int y, int w, int h)
{
byteImage = null;
DeviceManager manager = new DeviceManagerClass();
Device device = null;
foreach (DeviceInfo info in manager.DeviceInfos)
{
if (info.Type != WiaDeviceType.ScannerDeviceType) continue;
device = info.Connect();
break;
}
Item item = device.Items[1];
CommonDialogClass cdc = new WIA.CommonDialogClass();
ImageFile imageFile = cdc.ShowTransfer(item,
"{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}",
true) as ImageFile;
if (imageFile != null)
{
var buffer = imageFile.FileData.get_BinaryData() as byte[];
using (System.IO.MemoryStream ms = new MemoryStream())
{
ms.Write(buffer, 0, buffer.Length);
string strCurpath = System.IO.Directory.GetCurrentDirectory() + "\\scantdtk.bmp";
Image.FromStream(ms).Save(strCurpath, ImageFormat.Bmp);
Image img = Clip((Bitmap)Image.FromStream(ms), x, y, w, h);
img.Save(strCurpath, ImageFormat.Bmp);
byteImage = System.IO.File.ReadAllBytes(strCurpath);
return true;
}
}
else
{
return false;
}
}
