Opentk/Source/Utilities/Graphics/Text/GlyphEnumerator.cs

107 lines
2.8 KiB
C#

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2008 the Open Toolkit library, except where noted.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
namespace OpenTK.Graphics.Text
{
class GlyphEnumerator : IEnumerator<Glyph>
{
#region Fields
string text;
Font font;
IEnumerator<char> implementation;
#endregion
#region Constructors
public GlyphEnumerator(string text, Font font)
{
if (text == null)
throw new ArgumentNullException("text");
if (font == null)
throw new ArgumentNullException("font");
this.text = text;
this.font = font;
implementation = text.GetEnumerator();
}
#endregion
#region IEnumerator<Glyph> Members
public Glyph Current
{
get { return new Glyph(implementation.Current, font); }
}
#endregion
#region IDisposable Members
public void Dispose()
{
implementation.Dispose();
}
#endregion
#region IEnumerator Members
object System.Collections.IEnumerator.Current
{
get { return new Glyph(implementation.Current, font); }
}
public bool MoveNext()
{
bool status;
do
{
status = implementation.MoveNext();
} while (status && (implementation.Current == '\n' || implementation.Current == '\r'));
return status;
}
public void Reset()
{
implementation.Reset();
}
#endregion
}
}