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Added caching to rectangle-keygroup

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This commit is contained in:
Darth Affe 2016-03-25 18:15:59 +01:00
parent a61e433f12
commit 2cbf4b9894
1 changed files with 13 additions and 2 deletions
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15
Devices/Keyboard/Keys/RectangleKeyGroup.cs
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@ -17,10 +17,21 @@ namespace CUE.NET.Devices.Keyboard.Keys
{
#region Properties & Fields
private IList<CorsairKey> _keyCache;
private RectangleF _rectangle;
/// <summary>
/// Gets or sets the rectangle the keys should be taken from.
/// </summary>
public RectangleF Rectangle { get; set; }
public RectangleF Rectangle
{
get { return _rectangle; }
set
{
_rectangle = value;
_keyCache = null;
}
}
/// <summary>
/// Gets or sets the minimal percentage overlay a key must have with the <see cref="Rectangle" /> to be taken into the keygroup.
@ -91,7 +102,7 @@ namespace CUE.NET.Devices.Keyboard.Keys
/// <returns>The list containing the keys.</returns>
protected override IList<CorsairKey> GetGroupKeys()
{
return Keyboard.Where(x => RectangleHelper.CalculateIntersectPercentage(x.KeyRectangle, Rectangle) >= MinOverlayPercentage).ToList();
return _keyCache ?? (_keyCache = Keyboard.Where(x => RectangleHelper.CalculateIntersectPercentage(x.KeyRectangle, Rectangle) >= MinOverlayPercentage).ToList());
}
#endregion