(ded4a3e0a) v0.9.0.7
This commit is contained in:
Joonas Rikkonen
+290
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// MonoGame - Copyright (C) The MonoGame Team
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// This file is subject to the terms and conditions defined in
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// file 'LICENSE.txt', which is part of this source code package.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Microsoft.Xna.Framework.Content.Pipeline.Graphics
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{
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internal class CharacterCollection : ICollection<char>
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{
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private List<char> _items;
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public CharacterCollection()
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{
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_items = new List<char>();
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}
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public CharacterCollection(IEnumerable<char> characters)
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{
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_items = new List<char>();
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foreach (var c in characters)
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Add(c);
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}
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#region ICollection<char> Members
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public void Add(char item)
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{
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if (!_items.Contains(item))
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_items.Add(item);
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}
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public void Clear()
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{
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_items.Clear();
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}
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public bool Contains(char item)
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{
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return _items.Contains(item);
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}
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public void CopyTo(char[] array, int arrayIndex)
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{
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_items.CopyTo(array, arrayIndex);
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}
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public int Count
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{
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get { return _items.Count; }
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}
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public bool IsReadOnly
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{
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get { return false; }
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}
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public bool Remove(char item)
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{
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return _items.Remove(item);
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}
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#endregion
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#region IEnumerable<char> Members
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public IEnumerator<char> GetEnumerator()
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{
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return _items.GetEnumerator();
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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 _items.GetEnumerator();
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}
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#endregion
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}
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/// <summary>
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/// Provides information to the FontDescriptionProcessor describing which font to rasterize, which font size to utilize, and which Unicode characters to include in the processor output.
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/// </summary>
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public class FontDescription : ContentItem
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{
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private char? defaultCharacter;
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private string fontName;
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private float size;
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private float spacing;
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private FontDescriptionStyle style;
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private bool useKerning;
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private CharacterCollection characters = new CharacterCollection();
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/// <summary>
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/// Gets or sets the name of the font, such as "Times New Roman" or "Arial". This value cannot be null or empty.
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/// </summary>
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[ContentSerializer(AllowNull = false)]
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public string FontName
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{
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get
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{
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return fontName;
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}
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set
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{
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if (string.IsNullOrEmpty(value))
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throw new ArgumentNullException("FontName is null or an empty string.");
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fontName = value;
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}
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}
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/// <summary>
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/// Gets or sets the size, in points, of the font.
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/// </summary>
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public float Size
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{
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get
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{
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return size;
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}
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set
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{
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if (value <= 0.0f)
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throw new ArgumentOutOfRangeException("Size must be greater than zero.");
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size = value;
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}
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}
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/// <summary>
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/// Gets or sets the amount of space, in pixels, to insert between letters in a string.
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/// </summary>
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[ContentSerializer(Optional = true)]
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public float Spacing
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{
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get
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{
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return spacing;
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}
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set
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{
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spacing = value;
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}
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}
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/// <summary>
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/// Indicates if kerning information is used when drawing characters.
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/// </summary>
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[ContentSerializer(Optional = true)]
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public bool UseKerning
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{
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get
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{
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return useKerning;
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}
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set
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{
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useKerning = value;
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}
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}
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/// <summary>
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/// Gets or sets the style of the font, expressed as a combination of one or more FontDescriptionStyle flags.
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/// </summary>
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public FontDescriptionStyle Style
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{
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get
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{
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return style;
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}
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set
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{
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style = value;
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}
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}
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/// <summary>
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/// Gets or sets the default character for the font.
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/// </summary>
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[ContentSerializer(Optional = true)]
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public Nullable<char> DefaultCharacter
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{
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get
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{
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return defaultCharacter;
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}
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set
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{
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defaultCharacter = value;
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}
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}
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[ContentSerializer(CollectionItemName = "CharacterRegion")]
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internal CharacterRegion[] CharacterRegions
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{
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get
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{
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var regions = new List<CharacterRegion>();
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var chars = Characters.ToList();
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chars.Sort();
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var start = chars[0];
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var end = chars[0];
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for (var i=1; i < chars.Count; i++)
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{
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if (chars[i] != (end+1))
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{
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regions.Add(new CharacterRegion(start, end));
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start = chars[i];
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}
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end = chars[i];
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}
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regions.Add(new CharacterRegion(start, end));
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return regions.ToArray();
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}
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set
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{
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for (int index = 0; index < value.Length; ++index)
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{
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CharacterRegion characterRegion = value[index];
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if (characterRegion.End < characterRegion.Start)
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throw new ArgumentException("CharacterRegion.End must be greater than CharacterRegion.Start");
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for (var start = characterRegion.Start; start <= characterRegion.End; start++)
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Characters.Add(start);
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}
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}
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}
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[ContentSerializerIgnore]
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public ICollection<char> Characters
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{
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get { return characters; }
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internal set { characters = new CharacterCollection(value); }
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}
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internal FontDescription()
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{
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}
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/// <summary>
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/// Initializes a new instance of FontDescription and initializes its members to the specified font, size, and spacing, using FontDescriptionStyle.Regular as the default value for Style.
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/// </summary>
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/// <param name="fontName">The name of the font, such as Times New Roman.</param>
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/// <param name="size">The size, in points, of the font.</param>
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/// <param name="spacing">The amount of space, in pixels, to insert between letters in a string.</param>
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public FontDescription(string fontName, float size, float spacing)
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: this(fontName, size, spacing, FontDescriptionStyle.Regular, false)
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{
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}
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/// <summary>
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/// Initializes a new instance of FontDescription and initializes its members to the specified font, size, spacing, and style.
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/// </summary>
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/// <param name="fontName">The name of the font, such as Times New Roman.</param>
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/// <param name="size">The size, in points, of the font.</param>
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/// <param name="spacing">The amount of space, in pixels, to insert between letters in a string.</param>
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/// <param name="fontStyle">The font style for the font.</param>
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public FontDescription(string fontName, float size, float spacing, FontDescriptionStyle fontStyle)
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: this(fontName, size, spacing, fontStyle, false)
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{
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}
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/// <summary>
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/// Initializes a new instance of FontDescription using the specified values.
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/// </summary>
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/// <param name="fontName">The name of the font, such as Times New Roman.</param>
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/// <param name="size">The size, in points, of the font.</param>
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/// <param name="spacing">The amount of space, in pixels, to insert between letters in a string.</param>
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/// <param name="fontStyle">The font style for the font.</param>
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/// <param name="useKerning">true if kerning information is used when drawing characters; false otherwise.</param>
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public FontDescription(string fontName, float size, float spacing, FontDescriptionStyle fontStyle, bool useKerning)
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{
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// Write to the properties so the validation is run
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FontName = fontName;
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Size = size;
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Spacing = spacing;
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Style = fontStyle;
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UseKerning = useKerning;
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}
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}
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}
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