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Exposed public triplets through twain source class instead.

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soukoku 2014-05-23 19:01:18 -04:00
parent b0142127d7
commit 2dc64224ae
5 changed files with 83 additions and 54 deletions
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20
NTwain/ITwainSession.cs
View File

@ -37,26 +37,6 @@ namespace NTwain
/// <value>The state.</value>
int State { get; }
/// <summary>
/// Gets the triplet operations defined for audio data group.
/// </summary>
DGAudio DGAudio { get; }
/// <summary>
/// Gets the triplet operations defined for control data group.
/// </summary>
DGControl DGControl { get; }
/// <summary>
/// Gets the triplet operations defined for image data group.
/// </summary>
DGImage DGImage { get; }
/// <summary>
/// Gets the direct triplet operation entry for custom values.
/// </summary>
DGCustom DGCustom { get; }
/// <summary>
/// Try to show the built-in source selector dialog and return the selected source.
/// This is not recommended and is only included for completeness.

21
NTwain/Internals/ITwainSessionInternal.cs
View File

@ -1,4 +1,5 @@
using NTwain.Data;
using NTwain.Triplets;
using System;
using System.Collections.Generic;
using System.Threading;
@ -46,5 +47,25 @@ namespace NTwain.Internals
ReturnCode EnableSource(SourceEnableMode mode, bool modal, IntPtr windowHandle);
SynchronizationContext SynchronizationContext { get; set; }
/// <summary>
/// Gets the triplet operations defined for audio data group.
/// </summary>
DGAudio DGAudio { get; }
/// <summary>
/// Gets the triplet operations defined for control data group.
/// </summary>
DGControl DGControl { get; }
/// <summary>
/// Gets the triplet operations defined for image data group.
/// </summary>
DGImage DGImage { get; }
/// <summary>
/// Gets the direct triplet operation entry for custom values.
/// </summary>
DGCustom DGCustom { get; }
}
}

2
NTwain/Triplets/DGAudio/DGAudio.cs
View File

@ -6,7 +6,7 @@ namespace NTwain.Triplets
/// <summary>
/// Represents <see cref="DataGroups.Audio"/>.
/// </summary>
public sealed class DGAudio
sealed class DGAudio
{
ITwainSessionInternal _session;
internal DGAudio(ITwainSessionInternal session)

59
NTwain/TwainSession.cs
View File

@ -62,7 +62,7 @@ namespace NTwain
return __ownedSources[key] = new TwainSource(session, sourceId);
}
/// <summary>
/// Gets or sets the optional synchronization context.
@ -151,7 +151,7 @@ namespace NTwain
get
{
TWIdentity id;
if (DGControl.Identity.GetDefault(out id) == ReturnCode.Success)
if (((ITwainSessionInternal)this).DGControl.Identity.GetDefault(out id) == ReturnCode.Success)
{
return GetSourceInstance(this, id);
}
@ -161,7 +161,7 @@ namespace NTwain
{
if (value != null)
{
DGControl.Identity.Set(value.Identity);
((ITwainSessionInternal)this).DGControl.Identity.Set(value.Identity);
}
}
}
@ -174,7 +174,7 @@ namespace NTwain
public TwainSource ShowSourceSelector()
{
TWIdentity id;
if (DGControl.Identity.UserSelect(out id) == ReturnCode.Success)
if (((ITwainSessionInternal)this).DGControl.Identity.UserSelect(out id) == ReturnCode.Success)
{
return GetSourceInstance(this, id);
}
@ -210,7 +210,7 @@ namespace NTwain
/// <summary>
/// Gets the triplet operations defined for audio data group.
/// </summary>
public DGAudio DGAudio
DGAudio ITwainSessionInternal.DGAudio
{
get
{
@ -220,10 +220,7 @@ namespace NTwain
}
DGControl _dgControl;
/// <summary>
/// Gets the triplet operations defined for control data group.
/// </summary>
public DGControl DGControl
DGControl ITwainSessionInternal.DGControl
{
get
{
@ -233,10 +230,7 @@ namespace NTwain
}
DGImage _dgImage;
/// <summary>
/// Gets the triplet operations defined for image data group.
/// </summary>
public DGImage DGImage
DGImage ITwainSessionInternal.DGImage
{
get
{
@ -246,10 +240,7 @@ namespace NTwain
}
DGCustom _dgCustom;
/// <summary>
/// Gets the direct triplet operation entry for custom values.
/// </summary>
public DGCustom DGCustom
DGCustom ITwainSessionInternal.DGCustom
{
get
{
@ -257,6 +248,7 @@ 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.
@ -269,14 +261,14 @@ namespace NTwain
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: OpenManager.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.Parent.OpenDsm(MessageLoop.Instance.LoopHandle);
rc = ((ITwainSessionInternal)this).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);
rc = ((ITwainSessionInternal)this).DGControl.EntryPoint.Get(out entry);
if (rc == ReturnCode.Success)
{
Platform.MemoryManager = entry;
@ -303,7 +295,7 @@ namespace NTwain
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: CloseManager.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.Parent.CloseDsm(MessageLoop.Instance.LoopHandle);
rc = ((ITwainSessionInternal)this).DGControl.Parent.CloseDsm(MessageLoop.Instance.LoopHandle);
if (rc == ReturnCode.Success)
{
Platform.MemoryManager = null;
@ -321,13 +313,14 @@ namespace NTwain
public IEnumerable<TwainSource> GetSources()
{
TWIdentity srcId;
var rc = DGControl.Identity.GetFirst(out srcId);
var rc = ((ITwainSessionInternal)this).DGControl.Identity.GetFirst(out srcId);
while (rc == ReturnCode.Success)
{
yield return GetSourceInstance(this, srcId);
rc = DGControl.Identity.GetNext(out srcId);
rc = ((ITwainSessionInternal)this).DGControl.Identity.GetNext(out srcId);
}
}
/// <summary>
/// Gets the manager status. Only call this at state 2 or higher.
/// </summary>
@ -335,7 +328,7 @@ namespace NTwain
public TWStatus GetStatus()
{
TWStatus stat;
DGControl.Status.GetManager(out stat);
((ITwainSessionInternal)this).DGControl.Status.GetManager(out stat);
return stat;
}
@ -346,7 +339,7 @@ namespace NTwain
public TWStatusUtf8 GetStatusUtf8()
{
TWStatusUtf8 stat;
DGControl.StatusUtf8.GetManager(out stat);
((ITwainSessionInternal)this).DGControl.StatusUtf8.GetManager(out stat);
return stat;
}
@ -414,7 +407,7 @@ namespace NTwain
if (_appId.ProtocolMajor >= 2 && _appId.ProtocolMinor >= 2)
{
var cb = new TWCallback2(HandleCallback);
var rc2 = DGControl.Callback2.RegisterCallback(cb);
var rc2 = ((ITwainSessionInternal)this).DGControl.Callback2.RegisterCallback(cb);
if (rc2 == ReturnCode.Success)
{
@ -426,7 +419,7 @@ namespace NTwain
{
var cb = new TWCallback(HandleCallback);
var rc2 = DGControl.Callback.RegisterCallback(cb);
var rc2 = ((ITwainSessionInternal)this).DGControl.Callback.RegisterCallback(cb);
if (rc2 == ReturnCode.Success)
{
@ -442,11 +435,11 @@ namespace NTwain
if (mode == SourceEnableMode.ShowUIOnly)
{
rc = DGControl.UserInterface.EnableDSUIOnly(_twui);
rc = ((ITwainSessionInternal)this).DGControl.UserInterface.EnableDSUIOnly(_twui);
}
else
{
rc = DGControl.UserInterface.EnableDS(_twui);
rc = ((ITwainSessionInternal)this).DGControl.UserInterface.EnableDS(_twui);
}
if (rc != ReturnCode.Success)
@ -465,7 +458,7 @@ namespace NTwain
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: DisableSource.", Thread.CurrentThread.ManagedThreadId));
rc = DGControl.UserInterface.DisableDS(_twui);
rc = ((ITwainSessionInternal)this).DGControl.UserInterface.DisableDS(_twui);
if (rc == ReturnCode.Success)
{
_callbackObj = null;
@ -506,11 +499,11 @@ namespace NTwain
{
if (targetState < 7)
{
DGControl.PendingXfers.EndXfer(new TWPendingXfers());
((ITwainSessionInternal)this).DGControl.PendingXfers.EndXfer(new TWPendingXfers());
}
if (targetState < 6)
{
DGControl.PendingXfers.Reset(new TWPendingXfers());
((ITwainSessionInternal)this).DGControl.PendingXfers.Reset(new TWPendingXfers());
}
if (targetState < 5)
{
@ -690,7 +683,7 @@ namespace NTwain
var evt = new TWEvent();
evt.pEvent = msgPtr;
if (handled = (DGControl.Event.ProcessEvent(evt) == ReturnCode.DSEvent))
if (handled = (((ITwainSessionInternal)this).DGControl.Event.ProcessEvent(evt) == ReturnCode.DSEvent))
{
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture, "Thread {0}: HandleWndProcMessage at state {1} with MSG={2}.", Thread.CurrentThread.ManagedThreadId, State, evt.TWMessage));
@ -735,7 +728,7 @@ namespace NTwain
break;
case Message.DeviceEvent:
TWDeviceEvent de;
var rc = DGControl.DeviceEvent.Get(out de);
var rc = ((ITwainSessionInternal)this).DGControl.DeviceEvent.Get(out de);
if (rc == ReturnCode.Success)
{
SafeSyncableRaiseOnEvent(OnDeviceEvent, DeviceEvent, new DeviceEventArgs(de));

35
NTwain/TwainSource.cs
View File

@ -1,5 +1,6 @@
using NTwain.Data;
using NTwain.Internals;
using NTwain.Triplets;
using System;
using System.Collections.Generic;
using System.ComponentModel;
@ -182,6 +183,40 @@ namespace NTwain
}
}
/// <summary>
/// Gets the triplet operations defined for control data group.
/// </summary>
public DGControl DGControl
{
get
{
return _session.DGControl;
}
}
/// <summary>
/// Gets the triplet operations defined for image data group.
/// </summary>
public DGImage DGImage
{
get
{
return _session.DGImage;
}
}
/// <summary>
/// Gets the direct triplet operation entry for custom values.
/// </summary>
public DGCustom DGCustom
{
get
{
return _session.DGCustom;
}
}
#endregion
#region INotifyPropertyChanged Members