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* Fix TrayIconImpl not disposing WriteableBitmap when it should * Replace WriteableBitmap with Bitmap in ColorPicker * Replace ArrayList with PooledList to avoid extra allocationsrelease/11.0.8
Max Katz
2 years ago
7 changed files with 78 additions and 191 deletions
@ -1,71 +0,0 @@ |
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namespace Avalonia.Controls.Primitives |
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{ |
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/// <summary>
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/// A thin wrapper over an <see cref="System.Array"/> that allows some additional list-like functionality.
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/// </summary>
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/// <remarks>
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/// This is only for internal ColorPicker-related functionality and should not be used elsewhere.
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/// It is added for performance to enjoy the simplicity of the IList.Add() method without requiring
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/// an additional copy to turn a list into an array for bitmaps.
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/// </remarks>
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/// <typeparam name="T">The type of items in the array.</typeparam>
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internal class ArrayList<T> |
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{ |
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private int _nextIndex = 0; |
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/// <summary>
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/// Initializes a new instance of the <see cref="ArrayList{T}"/> class.
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/// </summary>
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public ArrayList(int capacity) |
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{ |
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Capacity = capacity; |
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Array = new T[capacity]; |
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} |
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/// <summary>
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/// Provides access to the underlying array by index.
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/// This exists for simplification and the <see cref="Array"/> property
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/// may also be used.
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/// </summary>
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/// <param name="i">The index of the item to get or set.</param>
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/// <returns>The item at the given index.</returns>
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public T this[int i] |
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{ |
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get => Array[i]; |
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set => Array[i] = value; |
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} |
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/// <summary>
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/// Gets the underlying array.
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/// </summary>
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public T[] Array { get; private set; } |
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/// <summary>
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/// Gets the fixed capacity/size of the array.
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/// This must be set during construction.
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/// </summary>
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public int Capacity { get; private set; } |
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/// <summary>
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/// Adds the given item to the array at the next available index.
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/// WARNING: This must be used carefully and only once, in sequence.
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/// </summary>
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/// <param name="item">The item to add.</param>
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public void Add(T item) |
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{ |
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if (_nextIndex >= 0 && |
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_nextIndex < Capacity) |
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{ |
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Array[_nextIndex] = item; |
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_nextIndex++; |
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} |
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else |
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{ |
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// If necessary an exception could be thrown here
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// throw new IndexOutOfRangeException();
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} |
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return; |
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} |
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} |
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} |
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