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More cap wrapper.

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soukoku
2014-11-08 08:58:27 -05:00
parent 88a54c95d9
commit b4c3ebd549
4 changed files with 370 additions and 122 deletions
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93
NTwain/CapWrapper.cs
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@@ -24,9 +24,9 @@ namespace NTwain
ICapControl _source;
Func<object, TValue> _convertRoutine;
Func<object, TValue> _getConvertRoutine;
Func<TValue, ReturnCode> _setCustomRoutine;
Func<TValue, TWCapability> _setProvider; // an simplified way to set() that only needs on cap value
Func<TValue, TWOneValue> _setOneValueFunc;
/// <summary>
/// Initializes a new instance of the <see cref="CapWrapper{TValue}" /> class.
@@ -46,7 +46,7 @@ namespace NTwain
if (getConversionRoutine == null) { throw new ArgumentNullException("valueConversionRoutine"); }
_source = source;
_convertRoutine = getConversionRoutine;
_getConvertRoutine = getConversionRoutine;
Capability = capability;
SupportedActions = source.CapQuerySupport(capability);
}
@@ -68,15 +68,15 @@ namespace NTwain
/// </exception>
public CapWrapper(ICapControl source, CapabilityId capability,
Func<object, TValue> getConversionRoutine,
Func<TValue, TWCapability> setValueProvider)
Func<TValue, TWOneValue> setValueProvider)
{
if (source == null) { throw new ArgumentNullException("source"); }
if (getConversionRoutine == null) { throw new ArgumentNullException("valueConversionRoutine"); }
if (setValueProvider == null) { throw new ArgumentNullException("setValueProvider"); }
_source = source;
_convertRoutine = getConversionRoutine;
_setProvider = setValueProvider;
_getConvertRoutine = getConversionRoutine;
_setOneValueFunc = setValueProvider;
Capability = capability;
SupportedActions = source.CapQuerySupport(capability);
}
@@ -104,7 +104,7 @@ namespace NTwain
if (setValueRoutine == null) { throw new ArgumentNullException("setValueRoutine"); }
_source = source;
_convertRoutine = getConversionRoutine;
_getConvertRoutine = getConversionRoutine;
_setCustomRoutine = setValueRoutine;
Capability = capability;
SupportedActions = source.CapQuerySupport(capability);
@@ -206,13 +206,13 @@ namespace NTwain
/// </value>
public bool CanSet { get { return Supports(QuerySupports.Set); } }
///// <summary>
///// Gets a value indicating whether <see cref="SetConstraint"/> is supported.
///// </summary>
///// <value>
///// <c>true</c> if this capability can set constraint; otherwise, <c>false</c>.
///// </value>
//public bool CanSetConstraint { get { return Supports(QuerySupports.SetConstraint); } }
/// <summary>
/// Gets a value indicating whether <see cref="SetConstraint"/> is supported.
/// </summary>
/// <value>
/// <c>true</c> if this capability can set constraint; otherwise, <c>false</c>.
/// </value>
public bool CanSetConstraint { get { return Supports(QuerySupports.SetConstraint); } }
#endregion
@@ -226,7 +226,7 @@ namespace NTwain
{
if (CanGetDefault)
{
return _convertRoutine(_source.CapGetDefault(Capability));
return _getConvertRoutine(_source.CapGetDefault(Capability));
}
return default(TValue);
}
@@ -239,7 +239,7 @@ namespace NTwain
{
if (CanGetCurrent)
{
return _convertRoutine(_source.CapGetCurrent(Capability));
return _getConvertRoutine(_source.CapGetCurrent(Capability));
}
return default(TValue);
}
@@ -252,7 +252,7 @@ namespace NTwain
{
if (CanGet)
{
return _source.CapGet(Capability).Select(o => _convertRoutine(o)).ToList();
return _source.CapGet(Capability).Select(o => _getConvertRoutine(o)).ToList();
}
return new List<TValue>();
}
@@ -350,7 +350,7 @@ namespace NTwain
}
/// <summary>
/// Sets the current value of this capability.
/// Simplified version that sets the current value of this capability.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
@@ -363,9 +363,9 @@ namespace NTwain
{
rc = _setCustomRoutine(value);
}
else if (_setProvider != null)
else if (_setOneValueFunc != null)
{
using (var cap = _setProvider(value))
using (var cap = new TWCapability(Capability, _setOneValueFunc(value)))
{
rc = _source.DGControl.Capability.Set(cap);
}
@@ -374,6 +374,59 @@ namespace NTwain
return rc;
}
/// <summary>
/// Sets the constraint value of this capability.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
public ReturnCode SetConstraint(TWOneValue value)
{
ReturnCode rc = ReturnCode.Failure;
if (CanSetConstraint)
{
using (var cap = new TWCapability(Capability, value))
{
rc = _source.DGControl.Capability.SetConstraint(cap);
}
}
return rc;
}
/// <summary>
/// Sets the constraint value of this capability.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
public ReturnCode SetConstraint(TWEnumeration value)
{
ReturnCode rc = ReturnCode.Failure;
if (CanSetConstraint)
{
using (var cap = new TWCapability(Capability, value))
{
rc = _source.DGControl.Capability.SetConstraint(cap);
}
}
return rc;
}
/// <summary>
/// Sets the constraint value of this capability.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
public ReturnCode SetConstraint(TWRange value)
{
ReturnCode rc = ReturnCode.Failure;
if (CanSetConstraint)
{
using (var cap = new TWCapability(Capability, value))
{
rc = _source.DGControl.Capability.SetConstraint(cap);
}
}
return rc;
}
#endregion
}