7030d8b2b6
- Add separate ImmutablePalette and MutablePalette classes since the distinction is extremely important to HardwarePalette. - Keep a cache of palettes in HardwarePalette to avoid reallocation them every time ApplyModifiers is called. - Palettes that are not allowed to be modified are copied to the buffer once when added, rather than every time ApplyModifiers is called. - The AdjustPalette method now takes a read-only dictionary to prevent the dictionary being messed with. - Added a constant for the palette size to remove its usage as a magic number in several areas. - The ColorPreviewManagerWidget is annoying in that it needs to actually permanently update a palette after it has been added. To allow this, HardwarePalette now allows a palette to be replaced after initialization. The WorldRenderer therefore now also updates the PaletteReference it created earlier with the new palette to prevent stale data being used elsewhere.
99 lines
2.6 KiB
C#
99 lines
2.6 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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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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namespace OpenRA
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{
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/// <summary>
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/// A minimal read only dictionary interface for .NET 4
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/// </summary>
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/// <remarks>
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/// .NET 4.5 has an implementation built-in, this code is not meant to
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/// duplicate it but provide a compatible interface that can be replaced
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/// when we switch to .NET 4.5 or higher.
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/// </remarks>
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public interface IReadOnlyDictionary<TKey, TValue> : IEnumerable<KeyValuePair<TKey, TValue>>
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{
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int Count { get; }
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TValue this[TKey key] { get; }
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ICollection<TKey> Keys { get; }
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ICollection<TValue> Values { get; }
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bool ContainsKey(TKey key);
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bool TryGetValue(TKey key, out TValue value);
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}
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public static class ReadOnlyDictionary
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{
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public static IReadOnlyDictionary<TKey, TValue> AsReadOnly<TKey, TValue>(this IDictionary<TKey, TValue> dict)
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{
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return dict as IReadOnlyDictionary<TKey, TValue> ?? new ReadOnlyDictionary<TKey, TValue>(dict);
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}
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}
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/// <summary>
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/// A minimal read only dictionary for .NET 4 implemented as a wrapper
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/// around an IDictionary.
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/// </summary>
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public class ReadOnlyDictionary<TKey, TValue> : IReadOnlyDictionary<TKey, TValue>
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{
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private readonly IDictionary<TKey, TValue> dict;
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public ReadOnlyDictionary()
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: this(new Dictionary<TKey, TValue>())
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{
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}
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public ReadOnlyDictionary(IDictionary<TKey, TValue> dict)
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{
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if (dict == null)
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throw new ArgumentNullException("dict");
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this.dict = dict;
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}
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#region IReadOnlyDictionary implementation
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public bool ContainsKey(TKey key)
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{
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return dict.ContainsKey(key);
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}
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public bool TryGetValue(TKey key, out TValue value)
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{
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return dict.TryGetValue(key, out value);
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}
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public int Count { get { return dict.Count; } }
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public TValue this[TKey key] { get { return dict[key]; } }
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public ICollection<TKey> Keys { get { return dict.Keys; } }
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public ICollection<TValue> Values { get { return dict.Values; } }
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#endregion
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#region IEnumerable implementation
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public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()
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{
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return dict.GetEnumerator();
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}
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#endregion
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#region IEnumerable implementation
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System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
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{
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return dict.GetEnumerator();
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}
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#endregion
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}
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}
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