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Merge pull request #7827 from turbedi/span_fromHex

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Use Span for OsuColour.FromHex
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Dan Balasescu 2020-02-14 12:44:11 +09:00 committed by GitHub
commit 7fdc8cc7c1
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1 changed files with 17 additions and 17 deletions
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34
osu.Game/Graphics/OsuColour.cs
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@ -2,6 +2,7 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Globalization;
using osu.Game.Beatmaps;
using osuTK.Graphics;
@ -14,41 +15,40 @@ namespace osu.Game.Graphics
public static Color4 FromHex(string hex)
{
if (hex[0] == '#')
hex = hex.Substring(1);
var hexSpan = hex[0] == '#' ? hex.AsSpan().Slice(1) : hex.AsSpan();
switch (hex.Length)
switch (hexSpan.Length)
{
default:
throw new ArgumentException(@"Invalid hex string length!");
case 3:
return new Color4(
(byte)(Convert.ToByte(hex.Substring(0, 1), 16) * 17),
(byte)(Convert.ToByte(hex.Substring(1, 1), 16) * 17),
(byte)(Convert.ToByte(hex.Substring(2, 1), 16) * 17),
(byte)(byte.Parse(hexSpan.Slice(0, 1), NumberStyles.HexNumber) * 17),
(byte)(byte.Parse(hexSpan.Slice(1, 1), NumberStyles.HexNumber) * 17),
(byte)(byte.Parse(hexSpan.Slice(2, 1), NumberStyles.HexNumber) * 17),
255);
case 6:
return new Color4(
Convert.ToByte(hex.Substring(0, 2), 16),
Convert.ToByte(hex.Substring(2, 2), 16),
Convert.ToByte(hex.Substring(4, 2), 16),
byte.Parse(hexSpan.Slice(0, 2), NumberStyles.HexNumber),
byte.Parse(hexSpan.Slice(2, 2), NumberStyles.HexNumber),
byte.Parse(hexSpan.Slice(4, 2), NumberStyles.HexNumber),
255);
case 4:
return new Color4(
(byte)(Convert.ToByte(hex.Substring(0, 1), 16) * 17),
(byte)(Convert.ToByte(hex.Substring(1, 1), 16) * 17),
(byte)(Convert.ToByte(hex.Substring(2, 1), 16) * 17),
(byte)(Convert.ToByte(hex.Substring(3, 1), 16) * 17));
(byte)(byte.Parse(hexSpan.Slice(0, 1), NumberStyles.HexNumber) * 17),
(byte)(byte.Parse(hexSpan.Slice(1, 1), NumberStyles.HexNumber) * 17),
(byte)(byte.Parse(hexSpan.Slice(0, 1), NumberStyles.HexNumber) * 17),
(byte)(byte.Parse(hexSpan.Slice(0, 1), NumberStyles.HexNumber) * 17));
case 8:
return new Color4(
Convert.ToByte(hex.Substring(0, 2), 16),
Convert.ToByte(hex.Substring(2, 2), 16),
Convert.ToByte(hex.Substring(4, 2), 16),
Convert.ToByte(hex.Substring(6, 2), 16));
byte.Parse(hexSpan.Slice(0, 2), NumberStyles.HexNumber),
byte.Parse(hexSpan.Slice(2, 2), NumberStyles.HexNumber),
byte.Parse(hexSpan.Slice(4, 2), NumberStyles.HexNumber),
byte.Parse(hexSpan.Slice(6, 2), NumberStyles.HexNumber));
}
}