124 lines
3.5 KiB
C#
124 lines
3.5 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2008 the Open Toolkit library, except where noted.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Drawing;
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namespace OpenTK.Graphics.Text
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{
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// Uniquely identifies a block of text. This structure can be used to identify text blocks for caching.
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struct TextBlock : IEquatable<TextBlock>, IEnumerable<Glyph>
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{
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#region Fields
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public readonly string Text;
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public readonly Font Font;
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public readonly RectangleF Bounds;
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public readonly TextPrinterOptions Options;
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public readonly TextAlignment Alignment;
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public readonly TextDirection Direction;
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public readonly int UsageCount;
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#endregion
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#region Constructors
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public TextBlock(string text, Font font, RectangleF bounds, TextPrinterOptions options, TextAlignment alignment, TextDirection direction)
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{
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Text = text;
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Font = font;
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Bounds = bounds;
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Options = options;
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Alignment = alignment;
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Direction = direction;
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UsageCount = 0;
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}
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#endregion
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#region Public Members
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public override bool Equals(object obj)
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{
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if (!(obj is TextBlock))
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return false;
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return Equals((TextBlock)obj);
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}
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public override int GetHashCode()
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{
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return Text.GetHashCode() ^ Font.GetHashCode() ^ Bounds.GetHashCode() ^ Options.GetHashCode();
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}
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public Glyph this[int i]
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{
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get { return new Glyph(Text[i], Font); }
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}
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#endregion
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#region IEquatable<TextBlock> Members
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public bool Equals(TextBlock other)
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{
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return
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Text == other.Text &&
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Font == other.Font &&
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Bounds == other.Bounds &&
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Options == other.Options;
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}
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#endregion
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#region IEnumerable<Glyph> Members
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public IEnumerator<Glyph> GetEnumerator()
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{
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return new GlyphEnumerator(Text, Font);
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}
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#endregion
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#region IEnumerable Members
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System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
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{
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return new GlyphEnumerator(Text, Font);
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}
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#endregion
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}
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}
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