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103 lines
3.8 KiB
C#
103 lines
3.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Overlays
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{
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public class OverlayColourProvider
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{
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private readonly OverlayColourScheme colourScheme;
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public OverlayColourProvider(OverlayColourScheme colourScheme)
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{
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this.colourScheme = colourScheme;
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}
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// Note that the following five colours are also defined in `OsuColour` as `{colourScheme}{0,1,2,3,4}`.
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// The difference as to which should be used where comes down to context.
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// If the colour in question is supposed to always match the view in which it is displayed theme-wise, use `OverlayColourProvider`.
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// If the colour usage is special and in general differs from the surrounding view in choice of hue, use the `OsuColour` constants.
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public Color4 Colour0 => getColour(1, 0.8f);
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public Color4 Colour1 => getColour(1, 0.7f);
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public Color4 Colour2 => getColour(0.8f, 0.6f);
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public Color4 Colour3 => getColour(0.6f, 0.5f);
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public Color4 Colour4 => getColour(0.4f, 0.3f);
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public Color4 Highlight1 => getColour(1, 0.7f);
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public Color4 Content1 => getColour(0.4f, 1);
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public Color4 Content2 => getColour(0.4f, 0.9f);
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public Color4 Light1 => getColour(0.4f, 0.8f);
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public Color4 Light2 => getColour(0.4f, 0.75f);
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public Color4 Light3 => getColour(0.4f, 0.7f);
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public Color4 Light4 => getColour(0.4f, 0.5f);
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public Color4 Dark1 => getColour(0.2f, 0.35f);
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public Color4 Dark2 => getColour(0.2f, 0.3f);
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public Color4 Dark3 => getColour(0.2f, 0.25f);
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public Color4 Dark4 => getColour(0.2f, 0.2f);
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public Color4 Dark5 => getColour(0.2f, 0.15f);
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public Color4 Dark6 => getColour(0.2f, 0.1f);
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public Color4 Foreground1 => getColour(0.1f, 0.6f);
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public Color4 Background1 => getColour(0.1f, 0.4f);
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public Color4 Background2 => getColour(0.1f, 0.3f);
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public Color4 Background3 => getColour(0.1f, 0.25f);
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public Color4 Background4 => getColour(0.1f, 0.2f);
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public Color4 Background5 => getColour(0.1f, 0.15f);
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public Color4 Background6 => getColour(0.1f, 0.1f);
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private Color4 getColour(float saturation, float lightness) => Color4.FromHsl(new Vector4(getBaseHue(colourScheme), saturation, lightness, 1));
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// See https://github.com/ppy/osu-web/blob/5a536d217a21582aad999db50a981003d3ad5659/app/helpers.php#L1620-L1628
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private static float getBaseHue(OverlayColourScheme colourScheme)
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{
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switch (colourScheme)
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{
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default:
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throw new ArgumentException($@"{colourScheme} colour scheme does not provide a hue value in {nameof(getBaseHue)}.");
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case OverlayColourScheme.Red:
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return 0;
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case OverlayColourScheme.Pink:
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return 333 / 360f;
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case OverlayColourScheme.Orange:
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return 45 / 360f;
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case OverlayColourScheme.Lime:
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return 90 / 360f;
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case OverlayColourScheme.Green:
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return 125 / 360f;
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case OverlayColourScheme.Aquamarine:
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return 160 / 360f;
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case OverlayColourScheme.Purple:
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return 255 / 360f;
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case OverlayColourScheme.Blue:
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return 200 / 360f;
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case OverlayColourScheme.Plum:
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return 320 / 360f;
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}
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}
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}
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public enum OverlayColourScheme
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{
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Red,
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Pink,
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Orange,
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Lime,
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Green,
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Purple,
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Blue,
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Plum,
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Aquamarine
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}
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}
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