1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#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
{
// Uniquely identifies a block of text. This structure can be used to identify text blocks for caching.
struct TextBlock : IEquatable<TextBlock>, IEnumerable<Glyph>
{
#region Fields
public readonly string Text;
public readonly Font Font;
public readonly RectangleF Bounds;
public readonly TextPrinterOptions Options;
public readonly TextAlignment Alignment;
public readonly TextDirection Direction;
public readonly int UsageCount;
#endregion
#region Constructors
public TextBlock(string text, Font font, RectangleF bounds, TextPrinterOptions options, TextAlignment alignment, TextDirection direction)
{
Text = text;
Font = font;
Bounds = bounds;
Options = options;
Alignment = alignment;
Direction = direction;
UsageCount = 0;
}
#endregion
#region Public Members
public override bool Equals(object obj)
{
if (!(obj is TextBlock))
return false;
return Equals((TextBlock)obj);
}
public override int GetHashCode()
{
return Text.GetHashCode() ^ Font.GetHashCode() ^ Bounds.GetHashCode() ^ Options.GetHashCode();
}
public Glyph this[int i]
{
get { return new Glyph(Text[i], Font); }
}
#endregion
#region IEquatable<TextBlock> Members
public bool Equals(TextBlock other)
{
return
Text == other.Text &&
Font == other.Font &&
Bounds == other.Bounds &&
Options == other.Options;
}
#endregion
#region IEnumerable<Glyph> Members
public IEnumerator<Glyph> GetEnumerator()
{
return new GlyphEnumerator(Text, Font);
}
#endregion
#region IEnumerable Members
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return new GlyphEnumerator(Text, Font);
}
#endregion
}
}
|
