private static void SaveImageToJpgFile(ImageFile image, string fileName)
{
WIA.ImageProcess imgProcess = new WIA.ImageProcess();
object convertFilter = "Convert";
string convertFilterID = imgProcess.FilterInfos.get_Item(ref convertFilter).FilterID;
imgProcess.Filters.Add(convertFilterID, 0);
SetWIAProperty(imgProcess.Filters[imgProcess.Filters.Count].Properties, "FormatID", WIA.FormatID.wiaFormatJPEG);
image = imgProcess.Apply(image);
image.SaveFile(fileName);
}
private void button1_Click(object sender, EventArgs e)
{
/*DeviceManager deviceManager = new DeviceManagerClass();
* for (int i = 1; i <= deviceManager.DeviceInfos.Count; i++)
* {
* if (deviceManager.DeviceInfos[i].Type != WiaDeviceType.ScannerDeviceType) continue;
* textBox1.AppendText(String.Format("{0} = {1}", i, deviceManager.DeviceInfos[i].Properties["Name"].get_Value()));
* }
*
* DeviceInfo deviceInfo = deviceManager.DeviceInfos[1];*/
DeviceInfo deviceInfo = deviceManager.DeviceInfos[cmbScanners.SelectedIndex + 1];
Device device = deviceInfo.Connect();
Item scanner = device.Items[1];
int resolution = int.Parse(cmbResolution.SelectedItem.ToString());
int width_pixel = (int)(A4width * resolution);
int height_pixel = (int)(A4height * resolution);
//#define WIA_IPA_DATATYPE 4103 // 0x1007
//#define WIA_IPA_DATATYPE_STR L"Data Type"
//#define WIA_DATA_THRESHOLD 0
//#define WIA_DATA_DITHER 1
//#define WIA_DATA_GRAYSCALE 2
//#define WIA_DATA_COLOR 3
//#define WIA_DATA_COLOR_THRESHOLD 4
//#define WIA_DATA_COLOR_DITHER 5
//
// WIA_IPS_CUR_INTENT flags
// WIA_IPS_CUR_INTENT
//#define WIA_INTENT_NONE 0x00000000
//#define WIA_INTENT_IMAGE_TYPE_COLOR 0x00000001
//#define WIA_INTENT_IMAGE_TYPE_GRAYSCALE 0x00000002
//#define WIA_INTENT_IMAGE_TYPE_TEXT 0x00000004
//#define WIA_INTENT_IMAGE_TYPE_MASK 0x0000000F
//#define WIA_INTENT_MINIMIZE_SIZE 0x00010000
//#define WIA_INTENT_MAXIMIZE_QUALITY 0x00020000
//#define WIA_INTENT_BEST_PREVIEW 0x00040000
//#define WIA_INTENT_SIZE_MASK 0x000F0000
//#define WIA_IPA_DEPTH 4104 // 0x1008
//#define WIA_IPA_DEPTH_STR L"Bits Per Pixel"
int WIA_IPS_CUR_INTENT = 0; // WIA_INTENT_NONE
int WIA_IPA_DATATYPE = 0; // WIA_DATA_THRESHOLD
int WIA_IPA_DEPTH = 0;
switch (cmbColor.SelectedIndex)
{
case 0: // ч-б
WIA_IPA_DATATYPE = 0; // WIA_DATA_THRESHOLD
WIA_IPS_CUR_INTENT = 4; // WIA_INTENT_IMAGE_TYPE_TEXT
WIA_IPA_DEPTH = 1;
break;
case 1: // серый
WIA_IPA_DATATYPE = 2; // WIA_DATA_GRAYSCALE
WIA_IPS_CUR_INTENT = 2; // WIA_INTENT_IMAGE_TYPE_GRAYSCALE
WIA_IPA_DEPTH = 8;
break;
case 2: // цвет
WIA_IPA_DATATYPE = 3; // WIA_DATA_COLOR
WIA_IPS_CUR_INTENT = 1; // WIA_INTENT_IMAGE_TYPE_COLOR
WIA_IPA_DEPTH = 24;
break;
}
//Guid WiaImgFmt_JPEG = new Guid(0xb96b3cae, 0x0728, 0x11d3, 0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e);
//scanner.Properties["4106"].set_Value(WiaImgFmt_JPEG);
//#define WIA_IPA_COMPRESSION 4107 // 0x100b
//#define WIA_IPA_COMPRESSION_STR L"Compression"
//
// WIA_IPA_COMPRESSION constants
//
//#define WIA_COMPRESSION_NONE 0
//#define WIA_COMPRESSION_BI_RLE4 1
//#define WIA_COMPRESSION_BI_RLE8 2
//#define WIA_COMPRESSION_G3 3
//#define WIA_COMPRESSION_G4 4
//#define WIA_COMPRESSION_JPEG 5
/*for (int i = 0; i <= 5; i++)
* {
* System.Diagnostics.Debug.WriteLine(i);
* try
* {
* scanner.Properties["4107"].set_Value(i);
* }
* catch (ArgumentException comerr)
* {
* System.Diagnostics.Debug.WriteLine(comerr.Message);
* }
* }*/
//
// WIA_DPS_DOCUMENT_HANDLING_SELECT flags
//
//#define FEEDER 0x001
//#define FLATBED 0x002
//#define DUPLEX 0x004
//#define FRONT_FIRST 0x008
//#define BACK_FIRST 0x010
//#define FRONT_ONLY 0x020
//#define BACK_ONLY 0x040
//#define NEXT_PAGE 0x080
//#define PREFEED 0x100
//#define AUTO_ADVANCE 0x200
//device.Properties["Document Handling Select"].set_Value(5); // 3088
int duplex_mode = 2; // Планшет
//device.Properties["3096"].set_Value(1); // WIA_IPS_PAGES Планшет - 1 страница
if (chkFeeder.Checked)
{
//device.Properties["3096"].set_Value(0); // Много страниц
if (chkDuplex.Checked)
{
duplex_mode = 5; // Автоподатчик обе стороны
}
else
{
duplex_mode = 1; // Автоподатчик одна сторона
}
}
device.Properties["Document Handling Select"].set_Value(duplex_mode);
// Яркость WIA_IPS_BRIGHTNESS 6154
scanner.Properties["6154"].set_Value(trkBrightness.Value);
// Контраст WIA_IPS_CONTRAST 6155
scanner.Properties["6155"].set_Value(trkContrast.Value);
scanner.Properties["4103"].set_Value(WIA_IPA_DATATYPE);
scanner.Properties["4104"].set_Value(WIA_IPA_DEPTH);
scanner.Properties["6146"].set_Value(WIA_IPS_CUR_INTENT);
scanner.Properties["6147"].set_Value(resolution);
scanner.Properties["6148"].set_Value(resolution);
scanner.Properties["6151"].set_Value(width_pixel);
scanner.Properties["6152"].set_Value(height_pixel);
//Type type = scanner.Properties["4107"].GetType;
//System.Diagnostics.Debug.WriteLine("4107: " + type.);
/*foreach (Property propertyItem in scanner.Properties)
* {
* if (!propertyItem.IsReadOnly)
* {
* System.Diagnostics.Debug.WriteLine(String.Format("{0}\t{1}\t{2}", propertyItem.Name, propertyItem.PropertyID, propertyItem.get_Value()));
* }
* }*/
CommonDialogClass commonDialog = new CommonDialogClass();
WIA.ImageProcess imageProcess = new WIA.ImageProcess(); // use to compress jpeg.
imageProcess.Filters.Add(imageProcess.FilterInfos["Convert"].FilterID);
imageProcess.Filters[1].Properties["FormatID"].set_Value(FormatID.wiaFormatJPEG);
imageProcess.Filters[1].Properties["Quality"].set_Value(trkJpegQuality.Value * 10);
ImageFile imageFileFront;
ImageFile imageFileBack;
try
{
while (true)
{
imageFileFront = (ImageFile)commonDialog.ShowTransfer(scanner, FormatID.wiaFormatJPEG, true);
//imageFileFront = (ImageFile)scanner.Transfer(FormatID.wiaFormatJPEG);
filePathFront = GetFileName(); // Path.GetTempFileName() + ".jpg";
imageProcess.Apply(imageFileFront).SaveFile(filePathFront);
//imageFileFront.SaveFile(filePathFront);
Marshal.ReleaseComObject(imageFileFront);
/*thumb = Image.FromFile(filePathFront).GetThumbnailImage(105, 149, () => false, IntPtr.Zero);
*
* imageList.Images.Add(thumb);
* listView1.Items.Add(Path.GetFileName(filePathFront));
* listView1.Items[count].ImageIndex = count++;
*
* scanFileNames.Add(filePathFront);*/
AppendFile(filePathFront);
if (!chkFeeder.Checked) // Планшет - сканируем только одну страницу
{
break;
}
if (chkDuplex.Checked)
{
imageFileBack = (ImageFile)commonDialog.ShowTransfer(scanner, FormatID.wiaFormatJPEG, true);
//imageFileBack = (ImageFile)scanner.Transfer(FormatID.wiaFormatJPEG);
filePathBack = GetFileName(); // Path.GetTempFileName() + ".jpg";
imageProcess.Apply(imageFileBack).SaveFile(filePathBack);
//imageFileBack.SaveFile(filePathBack);
Marshal.ReleaseComObject(imageFileBack);
/*thumb = Image.FromFile(filePathBack).GetThumbnailImage(105, 149, () => false, IntPtr.Zero);
*
* imageList.Images.Add(thumb);
* listView1.Items.Add(Path.GetFileName(filePathBack));
* listView1.Items[count].ImageIndex = count++;
*
* scanFileNames.Add(filePathBack);*/
AppendFile(filePathBack);
}
}
}
catch (COMException comerr)
{
switch ((uint)comerr.ErrorCode)
{
case 0x80210003:
toolStripStatus.Text = "Страницы закончились";
break;
case 0x80210006:
toolStripStatus.Text = "Сканер занят или не готов";
break;
case 0x80210064:
toolStripStatus.Text = "Сканирование отменено";
break;
case 0x8021000C:
toolStripStatus.Text = "Некорректные настройки устройства WIA";
break;
case 0x80210005:
toolStripStatus.Text = "Устройство выключено";
break;
case 0x80210001:
toolStripStatus.Text = "Неведомая ошибка";
break;
}
}
finally
{
//imageFileFront = null;
//imageFileBack = null;
//thumb = null;
}
}