Opentk/Source/OpenGL/Bind/Structures/Parameter.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace OpenTK.OpenGL.Bind
{
/// <summary>
/// Represents a single parameter of an opengl function.
/// </summary>
public class Parameter
{
#region Name property
string _name;
/// <summary>
/// Gets or sets the name of the parameter.
/// </summary>
public string Name
{
get { return _name; }
set { _name = value; }
}
#endregion
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#region UnmanagedType property
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UnmanagedType _unmanaged_type;
/// <summary>
/// Gets or sets the name of the parameter.
/// </summary>
public UnmanagedType UnmanagedType
{
get { return _unmanaged_type; }
set { _unmanaged_type = value; }
}
#endregion
#region Type property
string _type;
/// <summary>
/// Gets the type of the parameter.
/// </summary>
public string Type
{
get { return _type; }
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set
{
if (_type != null)
PreviousType = _type;
_type = value;
}
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}
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#endregion
#region Previous type property
private string _previous_type;
public string PreviousType
{
get { return _previous_type; }
set { _previous_type = value; }
}
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#endregion
#region Flow property
/// <summary>
/// Enumarates the possible flows of a parameter (ie. is this parameter
/// used as input or as output?)
/// </summary>
public enum FlowDirection
{
Undefined = 0,
In,
Out
}
FlowDirection _flow;
/// <summary>
/// Gets or sets the flow of the parameter.
/// </summary>
public FlowDirection Flow
{
get { return _flow; }
set { _flow = value; }
}
#endregion
#region Array property
bool _array = false;
public bool Array
{
get { return _array; }
set { _array = value; }
}
#endregion
#region Constructors
/// <summary>
/// Creates a new Parameter without type and name.
/// </summary>
public Parameter() { }
#endregion
#region ToString function
override public string ToString()
{
StringBuilder sb = new StringBuilder();
if (UnmanagedType == UnmanagedType.AsAny && Flow == FlowDirection.In)
sb.Append("[MarshalAs(UnmanagedType.AsAny)] ");
if (UnmanagedType == UnmanagedType.LPArray)
sb.Append("[MarshalAs(UnmanagedType.LPArray)] ");
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if (Flow == FlowDirection.Out && !Array && !(Type == "IntPtr"))
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sb.Append("out ");
sb.Append(Type);
if (Array)
sb.Append("[]");
sb.Append(" ");
sb.Append(Name);
return sb.ToString();
}
#endregion
}
}