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Code Issues Releases Wiki Activity

Fix shadow on SpriteIcon being a bit off

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This commit is contained in:
Dean Herbert 2017-08-05 11:09:34 +09:00
parent c9b0177e09
commit d7fede96ef
1 changed files with 35 additions and 11 deletions
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46
osu.Game/Graphics/SpriteIcon.cs
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@ -1,6 +1,7 @@
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Framework.Allocation;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
@ -18,18 +19,19 @@ namespace osu.Game.Graphics
public SpriteIcon()
{
spriteShadow = new Sprite
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
FillMode = FillMode.Fit,
Depth = 2,
Y = 2,
Colour = new Color4(0f, 0f, 0f, 0.2f),
};
InternalChildren = new[]
{
spriteShadow = new Sprite
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
FillMode = FillMode.Fit,
Position = new Vector2(0, 0.06f),
Colour = new Color4(0f, 0f, 0f, 0.2f),
Alpha = 0
},
spriteMain = new Sprite
{
Anchor = Anchor.Centre,
@ -60,10 +62,32 @@ namespace osu.Game.Graphics
Size = new Vector2(texture?.DisplayWidth ?? 0, texture?.DisplayHeight ?? 0);
}
public override bool Invalidate(Invalidation invalidation = Invalidation.All, Drawable source = null, bool shallPropagate = true)
{
if ((invalidation & Invalidation.Colour) > 0)
{
//adjust shadow alpha based on highest component intensity to avoid muddy display of darker text.
//squared result for quadratic fall-off seems to give the best result.
var avgColour = (Color4)DrawInfo.Colour.AverageColour;
spriteShadow.Alpha = (float)Math.Pow(Math.Max(Math.Max(avgColour.R, avgColour.G), avgColour.B), 2);
}
return base.Invalidate(invalidation, source, shallPropagate);
}
public bool Shadow
{
get { return spriteShadow.IsPresent; }
set { spriteShadow.Alpha = value ? 1 : 0; }
set
{
if (value == (spriteShadow.IsAlive && spriteShadow.IsLoaded)) return;
if (value)
AddInternal(spriteShadow);
else
RemoveInternal(spriteShadow);
}
}
private FontAwesome icon;