lsm/ntwain
1
0
Fork 0
mirror of https://github.com/soukoku/ntwain.git synced 2025-12-01 10:54:08 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Some renames.

Browse Source
This commit is contained in:
soukoku
2014-05-19 21:26:44 -04:00
parent eb99616530
commit 9bf86464c8
9 changed files with 290 additions and 294 deletions
Download Patch File Download Diff File Expand all files Collapse all files

181
NTwain/TwainSession.cs
View File

@@ -145,44 +145,6 @@ namespace NTwain
}
}
/// <summary>
/// Gets list of sources available in the system.
/// Only call this at state 2 or higher.
/// </summary>
/// <param name="session">The session.</param>
/// <returns></returns>
public IList<TwainSource> GetSources()
{
List<TwainSource> list = new List<TwainSource>();
// now enumerate
TWIdentity srcId;
var rc = DGControl.Identity.GetFirst(out srcId);
if (rc == ReturnCode.Success) { list.Add(new TwainSource(this, srcId)); }
do
{
rc = DGControl.Identity.GetNext(out srcId);
if (rc == ReturnCode.Success)
{
list.Add(new TwainSource(this, srcId));
}
} while (rc == ReturnCode.Success);
return list;
}
/// <summary>
/// Gets the manager status. Only call this at state 2 or higher.
/// </summary>
/// <param name="session">The session.</param>
/// <returns></returns>
public TWStatus GetStatus()
{
TWStatus stat;
DGControl.Status.GetManager(out stat);
return stat;
}
#endregion
#region ITwainOperation Members
@@ -238,6 +200,90 @@ namespace NTwain
return _dgCustom;
}
}
/// <summary>
/// Opens the data source manager. This must be the first method used
/// before using other TWAIN functions. Calls to this must be followed by <see cref="Close"/> when done with a TWAIN session.
/// </summary>
/// <returns></returns>
public ReturnCode Open()
{
var rc = ReturnCode.Failure;
MessageLoop.Instance.Invoke(() =>
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: OpenManager.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.Parent.OpenDsm(MessageLoop.Instance.LoopHandle);
if (rc == ReturnCode.Success)
{
// if twain2 then get memory management functions
if ((_appId.DataFunctionalities & DataFunctionalities.Dsm2) == DataFunctionalities.Dsm2)
{
TWEntryPoint entry;
rc = DGControl.EntryPoint.Get(out entry);
if (rc == ReturnCode.Success)
{
Platform.MemoryManager = entry;
Debug.WriteLine("Using TWAIN2 memory functions.");
}
else
{
Close();
}
}
}
});
return rc;
}
/// <summary>
/// Closes the data source manager.
/// </summary>
/// <returns></returns>
public ReturnCode Close()
{
var rc = ReturnCode.Failure;
MessageLoop.Instance.Invoke(() =>
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: CloseManager.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.Parent.CloseDsm(MessageLoop.Instance.LoopHandle);
if (rc == ReturnCode.Success)
{
Platform.MemoryManager = null;
}
});
return rc;
}
/// <summary>
/// Gets list of sources available in the system.
/// Only call this at state 2 or higher.
/// </summary>
/// <param name="session">The session.</param>
/// <returns></returns>
public IEnumerable<TwainSource> GetSources()
{
TWIdentity srcId;
var rc = DGControl.Identity.GetFirst(out srcId);
while (rc == ReturnCode.Success)
{
yield return new TwainSource(this, srcId);
rc = DGControl.Identity.GetNext(out srcId);
}
}
/// <summary>
/// Gets the manager status. Only call this at state 2 or higher.
/// </summary>
/// <param name="session">The session.</param>
/// <returns></returns>
public TWStatus GetStatus()
{
TWStatus stat;
DGControl.Status.GetManager(out stat);
return stat;
}
#endregion
@@ -282,61 +328,6 @@ namespace NTwain
#region privileged calls that causes state change in TWAIN
/// <summary>
/// Opens the data source manager. This must be the first method used
/// before using other TWAIN functions. Calls to this must be followed by <see cref="CloseManager"/> when done with a TWAIN session.
/// </summary>
/// <returns></returns>
public ReturnCode OpenManager()
{
var rc = ReturnCode.Failure;
MessageLoop.Instance.Invoke(() =>
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: OpenManager.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.Parent.OpenDsm(MessageLoop.Instance.LoopHandle);
if (rc == ReturnCode.Success)
{
// if twain2 then get memory management functions
if ((_appId.DataFunctionalities & DataFunctionalities.Dsm2) == DataFunctionalities.Dsm2)
{
TWEntryPoint entry;
rc = DGControl.EntryPoint.Get(out entry);
if (rc == ReturnCode.Success)
{
Platform.MemoryManager = entry;
Debug.WriteLine("Using TWAIN2 memory functions.");
}
else
{
CloseManager();
}
}
}
});
return rc;
}
/// <summary>
/// Closes the data source manager.
/// </summary>
/// <returns></returns>
public ReturnCode CloseManager()
{
var rc = ReturnCode.Failure;
MessageLoop.Instance.Invoke(() =>
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: CloseManager.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.Parent.CloseDsm(MessageLoop.Instance.LoopHandle);
if (rc == ReturnCode.Success)
{
Platform.MemoryManager = null;
}
});
return rc;
}
/// <summary>
/// Enables the source to start transferring.
@@ -459,13 +450,13 @@ namespace NTwain
{
((ITwainSessionInternal)this).DisableSource();
}
if (targetState < 4)
if (targetState < 4 && Source != null)
{
Source.Close();
}
if (targetState < 3)
{
CloseManager();
Close();
}
});
EnforceState = origFlag;