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osu-lazer/osu.Game/Skinning/LegacySpriteText.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Threading.Tasks;
using osu.Framework.Allocation;
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using osu.Framework.Graphics.Sprites;
using osu.Framework.Text;
using osu.Game.Graphics.Sprites;
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using osuTK;
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namespace osu.Game.Skinning
{
public sealed class LegacySpriteText : OsuSpriteText
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{
private readonly LegacyFont font;
private LegacyGlyphStore glyphStore;
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protected override char FixedWidthReferenceCharacter => '5';
protected override char[] FixedWidthExcludeCharacters => new[] { ',', '.', '%', 'x' };
public LegacySpriteText(LegacyFont font)
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{
this.font = font;
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Shadow = false;
UseFullGlyphHeight = false;
}
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[BackgroundDependencyLoader]
private void load(ISkinSource skin)
{
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Font = new FontUsage(skin.GetFontPrefix(font), 1, fixedWidth: true);
Spacing = new Vector2(-skin.GetFontOverlap(font), 0);
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glyphStore = new LegacyGlyphStore(skin);
}
protected override TextBuilder CreateTextBuilder(ITexturedGlyphLookupStore store) => base.CreateTextBuilder(glyphStore);
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private class LegacyGlyphStore : ITexturedGlyphLookupStore
{
private readonly ISkin skin;
public LegacyGlyphStore(ISkin skin)
{
this.skin = skin;
}
public ITexturedCharacterGlyph Get(string fontName, char character)
{
var lookup = getLookupName(character);
var texture = skin.GetTexture($"{fontName}-{lookup}");
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if (texture == null)
return null;
return new TexturedCharacterGlyph(new CharacterGlyph(character, 0, 0, texture.Width, null), texture, 1f / texture.ScaleAdjust);
}
private static string getLookupName(char character)
{
switch (character)
{
case ',':
return "comma";
case '.':
return "dot";
case '%':
return "percent";
default:
return character.ToString();
}
}
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public Task<ITexturedCharacterGlyph> GetAsync(string fontName, char character) => Task.Run(() => Get(fontName, character));
}
}
}