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Add FluentGlyphRangeBuilder and AttachWindowsDefaultFont (#1745)

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`FluentGlyphRangeBuilder` can build glyph ranges without having to
allocate native ImGui objects, and supports adding `ReadOnlySpan` and
`IEnumerable` of `char`s and `byte`s, `UnicodeRange`s, and known glyph
ranges for select cultures (CJK for now.)

Added `IFontAtlasBuildToolkitPreBuild.AttachWindowsDefaultFont` which
has a predefined list of default Windows fonts per language.
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srkizer 2024-03-30 07:06:10 +09:00 • committed by GitHub
parent 2ea89e216a
commit 05c943df69
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4 changed files with 594 additions and 44 deletions
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52
Dalamud/Interface/ManagedFontAtlas/FontAtlasBuildToolkitUtilities.cs
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@ -1,5 +1,6 @@
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Text.Unicode;
using Dalamud.Interface.Utility;
@ -12,6 +13,34 @@ namespace Dalamud.Interface.ManagedFontAtlas;
/// </summary>
public static class FontAtlasBuildToolkitUtilities
{
/// <summary>Begins building a new array of <see cref="ushort"/> containing ImGui glyph ranges.</summary>
/// <param name="chars">The chars.</param>
/// <returns>A new range builder.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static FluentGlyphRangeBuilder BeginGlyphRange(this IEnumerable<char> chars) =>
default(FluentGlyphRangeBuilder).With(chars);
/// <summary>Begins building a new array of <see cref="ushort"/> containing ImGui glyph ranges.</summary>
/// <param name="chars">The chars.</param>
/// <returns>A new range builder.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static FluentGlyphRangeBuilder BeginGlyphRange(this ReadOnlySpan<char> chars) =>
default(FluentGlyphRangeBuilder).With(chars);
/// <summary>Begins building a new array of <see cref="ushort"/> containing ImGui glyph ranges.</summary>
/// <param name="chars">The chars.</param>
/// <returns>A new range builder.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static FluentGlyphRangeBuilder BeginGlyphRange(this string chars) =>
default(FluentGlyphRangeBuilder).With(chars);
/// <summary>Begins building a new array of <see cref="ushort"/> containing ImGui glyph ranges.</summary>
/// <param name="range">The unicode range.</param>
/// <returns>A new range builder.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static FluentGlyphRangeBuilder BeginGlyphRange(this UnicodeRange range) =>
default(FluentGlyphRangeBuilder).With(range);
/// <summary>
/// Compiles given <see cref="char"/>s into an array of <see cref="ushort"/> containing ImGui glyph ranges.
/// </summary>
@ -19,16 +48,12 @@ public static class FontAtlasBuildToolkitUtilities
/// <param name="addFallbackCodepoints">Add fallback codepoints to the range.</param>
/// <param name="addEllipsisCodepoints">Add ellipsis codepoints to the range.</param>
/// <returns>The compiled range.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ushort[] ToGlyphRange(
this IEnumerable<char> enumerable,
bool addFallbackCodepoints = true,
bool addEllipsisCodepoints = true)
{
using var builderScoped = ImGuiHelpers.NewFontGlyphRangeBuilderPtrScoped(out var builder);
foreach (var c in enumerable)
builder.AddChar(c);
return builder.BuildRangesToArray(addFallbackCodepoints, addEllipsisCodepoints);
}
bool addEllipsisCodepoints = true) =>
enumerable.BeginGlyphRange().Build(addFallbackCodepoints, addEllipsisCodepoints);
/// <summary>
/// Compiles given <see cref="char"/>s into an array of <see cref="ushort"/> containing ImGui glyph ranges.
@ -37,16 +62,12 @@ public static class FontAtlasBuildToolkitUtilities
/// <param name="addFallbackCodepoints">Add fallback codepoints to the range.</param>
/// <param name="addEllipsisCodepoints">Add ellipsis codepoints to the range.</param>
/// <returns>The compiled range.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ushort[] ToGlyphRange(
this ReadOnlySpan<char> span,
bool addFallbackCodepoints = true,
bool addEllipsisCodepoints = true)
{
using var builderScoped = ImGuiHelpers.NewFontGlyphRangeBuilderPtrScoped(out var builder);
foreach (var c in span)
builder.AddChar(c);
return builder.BuildRangesToArray(addFallbackCodepoints, addEllipsisCodepoints);
}
bool addEllipsisCodepoints = true) =>
span.BeginGlyphRange().Build(addFallbackCodepoints, addEllipsisCodepoints);
/// <summary>
/// Compiles given string into an array of <see cref="ushort"/> containing ImGui glyph ranges.
@ -55,11 +76,12 @@ public static class FontAtlasBuildToolkitUtilities
/// <param name="addFallbackCodepoints">Add fallback codepoints to the range.</param>
/// <param name="addEllipsisCodepoints">Add ellipsis codepoints to the range.</param>
/// <returns>The compiled range.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ushort[] ToGlyphRange(
this string @string,
bool addFallbackCodepoints = true,
bool addEllipsisCodepoints = true) =>
@string.AsSpan().ToGlyphRange(addFallbackCodepoints, addEllipsisCodepoints);
@string.BeginGlyphRange().Build(addFallbackCodepoints, addEllipsisCodepoints);
/// <summary>
/// Finds the corresponding <see cref="ImFontConfigPtr"/> in