private void DisplayResolutions()
{
cbxResolution.Items.Clear();
try
{
Twain32.Enumeration resolutions = _twain.Capabilities.XResolution.Get();
if (resolutions.Count > 0)
{
for (int index = 0; index < resolutions.Count; index++)
{
if (float.Parse(resolutions[index].ToString()) >= 200)
{
cbxResolution.Items.Add(resolutions[index].ToString());
}
}
}
}
catch (TwainException ex)
{
LogFactory.CreateLog().LogError(ex);
MessageBox.Show(ErrorMessages.ResolutionsNotAviableError, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
internal static Twain32.Enumeration ToEnumeration <T>(this object value)
{
Twain32.Enumeration _val = value.ToEnumeration();
var _result = new object[_val.Count];
for (int i = 0; i < _val.Count; i++)
{
_result[i] = typeof(T).IsEnum ? (T)_val[i] : Convert.ChangeType(_val[i], typeof(T));
}
return(Twain32.Enumeration.CreateEnumeration(_result, _val.CurrentIndex, _val.DefaultIndex));
}
public List <float> GetResolutions(int deviceIndex)
{
SetDevice(deviceIndex);
Twain32.Enumeration _resolutions = _twain32.GetResolutions();
List <float> resolutions = new List <float>();
for (int i = 0; i < _resolutions.Count; i++)
{
resolutions.Add((float)_resolutions[i]);
}
_twain32.CloseDataSource();
return(resolutions);
}
public List <string> GetPixelType()
{
_twain32.OpenDataSource();
Twain32.Enumeration _pixelTypes = _twain32.GetPixelTypes();
List <string> pixelTypes = new List <string>();
for (int i = 0; i < _pixelTypes.Count; i++)
{
pixelTypes.Add(_pixelTypes[i].ToString());
}
_twain32.CloseDataSource();
return(pixelTypes);
}
private void RunTwain()
{
logger.Debug("Run Twain");
logger.Debug("IsTwain2Supported = {0}", _twain32.IsTwain2Supported);
logger.Debug("IsTwain2Enable = {0}", _twain32.IsTwain2Enable);
if (_twain32.OpenDataSource() == false)
{
string text = "Не удалось открыть источник.";
logger.Error(text);
throw new InvalidOperationException(text);
}
logger.Debug("DataSource is opened.");
#if DEBUG
logger.Debug("XferMech.IsSupported=", _twain32.Capabilities.XferMech.IsSupported());
logger.Debug("XferMech Support:");
Twain32.Enumeration xferMech = _twain32.Capabilities.XferMech.Get();
for (int i = 0; i < xferMech.Count; i++)
{
logger.Debug("[{0}] {1}", i, xferMech[i].ToString());
}
logger.Debug("All Capabilities");
foreach (TwCap cap in Enum.GetValues(typeof(TwCap)))
{
if ((_twain32.IsCapSupported(cap) & TwQC.GetCurrent) != 0)
{
logger.Debug("{0}(Current) = {1}", cap, _twain32.GetCurrentCap(cap));
}
else if ((_twain32.IsCapSupported(cap) & TwQC.Get) != 0)
{
logger.Debug("{0} = {1}", cap, _twain32.GetCap(cap));
}
else
{
logger.Debug("{0} = skiped", cap);
}
}
#endif
_twain32.Capabilities.XferMech.Set(TwSX.Memory);
//Feeder
if (this._twain32.Capabilities.FeederEnabled.IsSupported(TwQC.Set))
{
this._twain32.Capabilities.FeederEnabled.Set(true);
logger.Debug("TwCap.FeederEnabled = Enabled");
if (this._twain32.Capabilities.AutoFeed.IsSupported(TwQC.Set))
{
this._twain32.Capabilities.AutoFeed.Set(true);
logger.Debug("TwCap.AutoFeed = Enabled");
}
if (this._twain32.Capabilities.XferCount.IsSupported(TwQC.Set))
{
this._twain32.Capabilities.XferCount.Set(-1);
logger.Debug("TwCap.XferCount = Enabled");
}
}
#if DEBUG
//Отслеживаем все события
_twain32.AcquireCompleted += delegate {
logger.Debug("AcquireCompleted fired");
};
_twain32.AcquireError += (sender, e) => logger.Debug("AcquireError fired");
_twain32.DeviceEvent += delegate {
logger.Debug("DeviceEvent fired");
};
_twain32.EndXfer += delegate {
logger.Debug("EndXfer fired");
};
_twain32.FileXferEvent += delegate {
logger.Debug("FileXferEvent fired");
};
_twain32.MemXferEvent += delegate {
logger.Debug("MemXferEvent fired");
};
_twain32.SetupFileXferEvent += delegate {
logger.Debug("SetupFileXferEvent fired");
};
_twain32.SetupMemXferEvent += delegate {
logger.Debug("SetupMemXferEvent fired");
};
_twain32.TwainStateChanged += (object sender, Twain32.TwainStateEventArgs e) => {
logger.Debug("TwainStateChanged fired");
logger.Debug("TwainState = {0}", e.TwainState);
};
_twain32.XferDone += delegate {
logger.Debug("XferDone fired");
};
#endif
logger.Debug("Run Acquire");
_twain32.Acquire();
logger.Debug("After Acquire");
}