public TwainMessageFilter(ScanProfile settings, Twain tw, FTwainGui form)
{
this.settings = settings;
this.tw = tw;
this.form = form;
Bitmaps = new List <ScannedImage>();
form.Activated += FTwainGui_Activated;
}
public TwainMessageFilter(ScanProfile settings, Twain tw, FTwainGui form, IScannedImageFactory scannedImageFactory)
{
this.settings = settings;
this.tw = tw;
this.form = form;
this.scannedImageFactory = scannedImageFactory;
Bitmaps = new List<IScannedImage>();
form.Activated += FTwainGui_Activated;
}
public TwCapability(TwCap cap, short sval)
{
Cap = (short)cap;
ConType = (short)TwOn.One;
Handle = Twain.GlobalAlloc(0x42, 6);
IntPtr pv = Twain.GlobalLock(Handle);
Marshal.WriteInt16(pv, 0, (short)TwType.Int16);
Marshal.WriteInt32(pv, 2, sval);
Twain.GlobalUnlock(Handle);
}
public static List<ScannedImage> Scan(ScanProfile settings, ScanDevice device, IWin32Window pForm, IFormFactory formFactory)
{
var tw = new Twain();
if (!tw.Init(pForm.Handle))
{
throw new DeviceNotFoundException();
}
if (!tw.SelectByName(device.ID))
{
throw new DeviceNotFoundException();
}
var form = formFactory.Create<FTwainGui>();
var mf = new TwainMessageFilter(settings, tw, form);
form.ShowDialog(pForm);
return mf.Bitmaps;
}
public static ScanDevice SelectDeviceUi()
{
var tw = new Twain();
if (!tw.Init(Application.OpenForms[0].Handle))
{
throw new NoDevicesFoundException();
}
if (!tw.Select())
{
return(null);
}
var name = tw.GetCurrentName();
return(name == null ? null : new ScanDevice(name, name));
}
public static List <ScannedImage> Scan(ScanProfile settings, ScanDevice device, IWin32Window pForm, IFormFactory formFactory)
{
var tw = new Twain();
if (!tw.Init(pForm.Handle))
{
throw new DeviceNotFoundException();
}
if (!tw.SelectByName(device.ID))
{
throw new DeviceNotFoundException();
}
var form = formFactory.Create <FTwainGui>();
var mf = new TwainMessageFilter(settings, tw, form);
form.ShowDialog(pForm);
return(mf.Bitmaps);
}
public static ScanDevice SelectDeviceUI()
{
var tw = new Twain();
if (!tw.Init(Application.OpenForms[0].Handle))
{
throw new NoDevicesFoundException();
}
if (!tw.Select())
{
return null;
}
string name = tw.GetCurrentName();
if (name == null)
{
return null;
}
return new ScanDevice(name, name);
}
public static List<ScanDevice> GetDeviceList()
{
var tw = new Twain();
if (!tw.Init(Application.OpenForms[0].Handle))
{
throw new NoDevicesFoundException();
}
var result = new List<ScanDevice>();
if (!tw.GetFirst())
{
return result;
}
do
{
string name = tw.GetCurrentName();
result.Add(new ScanDevice(name, name));
} while (tw.GetNext());
return result;
}
public static List <ScanDevice> GetDeviceList()
{
var tw = new Twain();
if (!tw.Init(Application.OpenForms[0].Handle))
{
throw new NoDevicesFoundException();
}
var result = new List <ScanDevice>();
if (!tw.GetFirst())
{
return(result);
}
do
{
string name = tw.GetCurrentName();
result.Add(new ScanDevice(name, name));
} while (tw.GetNext());
return(result);
}
public static void Scan(ScanProfile settings, ScanDevice device, IWin32Window pForm, IFormFactory formFactory, ScannedImageSource.Concrete source)
{
var tw = new Twain();
if (!tw.Init(pForm.Handle))
{
throw new DeviceNotFoundException();
}
if (!tw.SelectByName(device.ID))
{
throw new DeviceNotFoundException();
}
var form = formFactory.Create <FTwainGui>();
var mf = new TwainMessageFilter(settings, tw, form);
form.ShowDialog(pForm);
foreach (var b in mf.Bitmaps)
{
source.Put(b);
}
}
public static void Scan(ScanProfile settings, ScanDevice device, IWin32Window pForm, IFormFactory formFactory, ScannedImageSource.Concrete source)
{
var tw = new Twain();
var windowHandle = (Invoker.Current as Form)?.Handle ?? pForm.Handle;
if (!tw.Init(windowHandle))
{
throw new DeviceNotFoundException();
}
if (!tw.SelectByName(device.Id))
{
throw new DeviceNotFoundException();
}
var form = Invoker.Current.InvokeGet(formFactory.Create <FTwainGui>);
var mf = new TwainMessageFilter(settings, tw, form);
Invoker.Current.Invoke(() => form.ShowDialog(pForm));
foreach (var b in mf.Bitmaps)
{
source.Put(b);
}
}
