mirror of
https://github.com/goatcorp/Dalamud.git
synced 2025-12-14 20:54:16 +01:00
Reapply "IFontAtlas: font atlas per plugin"
This reverts commit b5696afe94.
This commit is contained in:
Soreepeong
parent
b5696afe94
commit
63b16bcc7c
44 changed files with 7944 additions and 1500 deletions
|
|
@ -1,10 +1,15 @@
|
|||
using System.Collections.Generic;
|
||||
using System.Diagnostics.CodeAnalysis;
|
||||
using System.Linq;
|
||||
using System.Numerics;
|
||||
using System.Reactive.Disposables;
|
||||
using System.Runtime.InteropServices;
|
||||
using System.Text.Unicode;
|
||||
|
||||
using Dalamud.Configuration.Internal;
|
||||
using Dalamud.Game.ClientState.Keys;
|
||||
using Dalamud.Interface.ManagedFontAtlas;
|
||||
using Dalamud.Interface.ManagedFontAtlas.Internals;
|
||||
using Dalamud.Interface.Utility.Raii;
|
||||
using ImGuiNET;
|
||||
using ImGuiScene;
|
||||
|
|
@ -31,8 +36,7 @@ public static class ImGuiHelpers
|
|||
/// This does not necessarily mean you can call drawing functions.
|
||||
/// </summary>
|
||||
public static unsafe bool IsImGuiInitialized =>
|
||||
ImGui.GetCurrentContext() is not (nint)0 // KW: IDEs get mad without the cast, despite being unnecessary
|
||||
&& ImGui.GetIO().NativePtr is not null;
|
||||
ImGui.GetCurrentContext() != nint.Zero && ImGui.GetIO().NativePtr is not null;
|
||||
|
||||
/// <summary>
|
||||
/// Gets the global Dalamud scale; even available before drawing is ready.<br />
|
||||
|
|
@ -198,7 +202,7 @@ public static class ImGuiHelpers
|
|||
/// <param name="round">If a positive number is given, numbers will be rounded to this.</param>
|
||||
public static unsafe void AdjustGlyphMetrics(this ImFontPtr fontPtr, float scale, float round = 0f)
|
||||
{
|
||||
Func<float, float> rounder = round > 0 ? x => MathF.Round(x * round) / round : x => x;
|
||||
Func<float, float> rounder = round > 0 ? x => MathF.Round(x / round) * round : x => x;
|
||||
|
||||
var font = fontPtr.NativePtr;
|
||||
font->FontSize = rounder(font->FontSize * scale);
|
||||
|
|
@ -310,6 +314,7 @@ public static class ImGuiHelpers
|
|||
glyph->U1,
|
||||
glyph->V1,
|
||||
glyph->AdvanceX * scale);
|
||||
target.Mark4KPageUsedAfterGlyphAdd((ushort)glyph->Codepoint);
|
||||
changed = true;
|
||||
}
|
||||
else if (!missingOnly)
|
||||
|
|
@ -343,25 +348,18 @@ public static class ImGuiHelpers
|
|||
}
|
||||
|
||||
if (changed && rebuildLookupTable)
|
||||
target.BuildLookupTableNonstandard();
|
||||
}
|
||||
{
|
||||
// ImGui resolves ' ' with FindGlyph, which uses FallbackGlyph.
|
||||
// FallbackGlyph is resolved after resolving ' '.
|
||||
// On the first call of BuildLookupTable, called from BuildFonts, FallbackGlyph is set to null,
|
||||
// making FindGlyph return nullptr.
|
||||
// On our secondary calls of BuildLookupTable, FallbackGlyph is set to some value that is not null,
|
||||
// making ImGui attempt to treat whatever was there as a ' '.
|
||||
// This may cause random glyphs to be sized randomly, if not an access violation exception.
|
||||
target.NativePtr->FallbackGlyph = null;
|
||||
|
||||
/// <summary>
|
||||
/// Call ImFont::BuildLookupTable, after attempting to fulfill some preconditions.
|
||||
/// </summary>
|
||||
/// <param name="font">The font.</param>
|
||||
public static unsafe void BuildLookupTableNonstandard(this ImFontPtr font)
|
||||
{
|
||||
// ImGui resolves ' ' with FindGlyph, which uses FallbackGlyph.
|
||||
// FallbackGlyph is resolved after resolving ' '.
|
||||
// On the first call of BuildLookupTable, called from BuildFonts, FallbackGlyph is set to null,
|
||||
// making FindGlyph return nullptr.
|
||||
// On our secondary calls of BuildLookupTable, FallbackGlyph is set to some value that is not null,
|
||||
// making ImGui attempt to treat whatever was there as a ' '.
|
||||
// This may cause random glyphs to be sized randomly, if not an access violation exception.
|
||||
font.NativePtr->FallbackGlyph = null;
|
||||
|
||||
font.BuildLookupTable();
|
||||
target.BuildLookupTable();
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
|
|
@ -407,6 +405,103 @@ public static class ImGuiHelpers
|
|||
public static void CenterCursorFor(float itemWidth) =>
|
||||
ImGui.SetCursorPosX((int)((ImGui.GetWindowWidth() - itemWidth) / 2));
|
||||
|
||||
/// <summary>
|
||||
/// Allocates memory on the heap using <see cref="ImGuiNative.igMemAlloc"/><br />
|
||||
/// Memory must be freed using <see cref="ImGuiNative.igMemFree"/>.
|
||||
/// <br />
|
||||
/// Note that null is a valid return value when <paramref name="length"/> is 0.
|
||||
/// </summary>
|
||||
/// <param name="length">The length of allocated memory.</param>
|
||||
/// <returns>The allocated memory.</returns>
|
||||
/// <exception cref="OutOfMemoryException">If <see cref="ImGuiNative.igMemAlloc"/> returns null.</exception>
|
||||
public static unsafe void* AllocateMemory(int length)
|
||||
{
|
||||
// TODO: igMemAlloc takes size_t, which is nint; ImGui.NET apparently interpreted that as uint.
|
||||
// fix that in ImGui.NET.
|
||||
switch (length)
|
||||
{
|
||||
case 0:
|
||||
return null;
|
||||
case < 0:
|
||||
throw new ArgumentOutOfRangeException(
|
||||
nameof(length),
|
||||
length,
|
||||
$"{nameof(length)} cannot be a negative number.");
|
||||
default:
|
||||
var memory = ImGuiNative.igMemAlloc((uint)length);
|
||||
if (memory is null)
|
||||
{
|
||||
throw new OutOfMemoryException(
|
||||
$"Failed to allocate {length} bytes using {nameof(ImGuiNative.igMemAlloc)}");
|
||||
}
|
||||
|
||||
return memory;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates a new instance of <see cref="ImFontGlyphRangesBuilderPtr"/> with a natively backed memory.
|
||||
/// </summary>
|
||||
/// <param name="builder">The created instance.</param>
|
||||
/// <returns>Disposable you can call.</returns>
|
||||
public static unsafe IDisposable NewFontGlyphRangeBuilderPtrScoped(out ImFontGlyphRangesBuilderPtr builder)
|
||||
{
|
||||
builder = new(ImGuiNative.ImFontGlyphRangesBuilder_ImFontGlyphRangesBuilder());
|
||||
var ptr = builder.NativePtr;
|
||||
return Disposable.Create(() =>
|
||||
{
|
||||
if (ptr != null)
|
||||
ImGuiNative.ImFontGlyphRangesBuilder_destroy(ptr);
|
||||
ptr = null;
|
||||
});
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Builds ImGui Glyph Ranges for use with <see cref="SafeFontConfig.GlyphRanges"/>.
|
||||
/// </summary>
|
||||
/// <param name="builder">The builder.</param>
|
||||
/// <param name="addFallbackCodepoints">Add fallback codepoints to the range.</param>
|
||||
/// <param name="addEllipsisCodepoints">Add ellipsis codepoints to the range.</param>
|
||||
/// <returns>When disposed, the resource allocated for the range will be freed.</returns>
|
||||
public static unsafe ushort[] BuildRangesToArray(
|
||||
this ImFontGlyphRangesBuilderPtr builder,
|
||||
bool addFallbackCodepoints = true,
|
||||
bool addEllipsisCodepoints = true)
|
||||
{
|
||||
if (addFallbackCodepoints)
|
||||
builder.AddText(FontAtlasFactory.FallbackCodepoints);
|
||||
if (addEllipsisCodepoints)
|
||||
{
|
||||
builder.AddText(FontAtlasFactory.EllipsisCodepoints);
|
||||
builder.AddChar('.');
|
||||
}
|
||||
|
||||
builder.BuildRanges(out var vec);
|
||||
return new ReadOnlySpan<ushort>((void*)vec.Data, vec.Size).ToArray();
|
||||
}
|
||||
|
||||
/// <inheritdoc cref="CreateImGuiRangesFrom(IEnumerable{UnicodeRange})"/>
|
||||
public static ushort[] CreateImGuiRangesFrom(params UnicodeRange[] ranges)
|
||||
=> CreateImGuiRangesFrom((IEnumerable<UnicodeRange>)ranges);
|
||||
|
||||
/// <summary>
|
||||
/// Creates glyph ranges from <see cref="UnicodeRange"/>.<br />
|
||||
/// Use values from <see cref="UnicodeRanges"/>.
|
||||
/// </summary>
|
||||
/// <param name="ranges">The unicode ranges.</param>
|
||||
/// <returns>The range array that can be used for <see cref="SafeFontConfig.GlyphRanges"/>.</returns>
|
||||
public static ushort[] CreateImGuiRangesFrom(IEnumerable<UnicodeRange> ranges) =>
|
||||
ranges
|
||||
.Where(x => x.FirstCodePoint <= ushort.MaxValue)
|
||||
.SelectMany(
|
||||
x => new[]
|
||||
{
|
||||
(ushort)Math.Min(x.FirstCodePoint, ushort.MaxValue),
|
||||
(ushort)Math.Min(x.FirstCodePoint + x.Length, ushort.MaxValue),
|
||||
})
|
||||
.Append((ushort)0)
|
||||
.ToArray();
|
||||
|
||||
/// <summary>
|
||||
/// Determines whether <paramref name="ptr"/> is empty.
|
||||
/// </summary>
|
||||
|
|
@ -415,7 +510,7 @@ public static class ImGuiHelpers
|
|||
public static unsafe bool IsNull(this ImFontPtr ptr) => ptr.NativePtr == null;
|
||||
|
||||
/// <summary>
|
||||
/// Determines whether <paramref name="ptr"/> is not null and loaded.
|
||||
/// Determines whether <paramref name="ptr"/> is empty.
|
||||
/// </summary>
|
||||
/// <param name="ptr">The pointer.</param>
|
||||
/// <returns>Whether it is empty.</returns>
|
||||
|
|
@ -427,6 +522,27 @@ public static class ImGuiHelpers
|
|||
/// <param name="ptr">The pointer.</param>
|
||||
/// <returns>Whether it is empty.</returns>
|
||||
public static unsafe bool IsNull(this ImFontAtlasPtr ptr) => ptr.NativePtr == null;
|
||||
|
||||
/// <summary>
|
||||
/// If <paramref name="self"/> is default, then returns <paramref name="other"/>.
|
||||
/// </summary>
|
||||
/// <param name="self">The self.</param>
|
||||
/// <param name="other">The other.</param>
|
||||
/// <returns><paramref name="self"/> if it is not default; otherwise, <paramref name="other"/>.</returns>
|
||||
public static unsafe ImFontPtr OrElse(this ImFontPtr self, ImFontPtr other) =>
|
||||
self.NativePtr is null ? other : self;
|
||||
|
||||
/// <summary>
|
||||
/// Mark 4K page as used, after adding a codepoint to a font.
|
||||
/// </summary>
|
||||
/// <param name="font">The font.</param>
|
||||
/// <param name="codepoint">The codepoint.</param>
|
||||
internal static unsafe void Mark4KPageUsedAfterGlyphAdd(this ImFontPtr font, ushort codepoint)
|
||||
{
|
||||
// Mark 4K page as used
|
||||
var pageIndex = unchecked((ushort)(codepoint / 4096));
|
||||
font.NativePtr->Used4kPagesMap[pageIndex >> 3] |= unchecked((byte)(1 << (pageIndex & 7)));
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Finds the corresponding ImGui viewport ID for the given window handle.
|
||||
|
|
@ -448,6 +564,89 @@ public static class ImGuiHelpers
|
|||
return -1;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Attempts to validate that <paramref name="fontPtr"/> is valid.
|
||||
/// </summary>
|
||||
/// <param name="fontPtr">The font pointer.</param>
|
||||
/// <returns>The exception, if any occurred during validation.</returns>
|
||||
internal static unsafe Exception? ValidateUnsafe(this ImFontPtr fontPtr)
|
||||
{
|
||||
try
|
||||
{
|
||||
var font = fontPtr.NativePtr;
|
||||
if (font is null)
|
||||
throw new NullReferenceException("The font is null.");
|
||||
|
||||
_ = Marshal.ReadIntPtr((nint)font);
|
||||
if (font->IndexedHotData.Data != 0)
|
||||
_ = Marshal.ReadIntPtr(font->IndexedHotData.Data);
|
||||
if (font->FrequentKerningPairs.Data != 0)
|
||||
_ = Marshal.ReadIntPtr(font->FrequentKerningPairs.Data);
|
||||
if (font->IndexLookup.Data != 0)
|
||||
_ = Marshal.ReadIntPtr(font->IndexLookup.Data);
|
||||
if (font->Glyphs.Data != 0)
|
||||
_ = Marshal.ReadIntPtr(font->Glyphs.Data);
|
||||
if (font->KerningPairs.Data != 0)
|
||||
_ = Marshal.ReadIntPtr(font->KerningPairs.Data);
|
||||
if (font->ConfigDataCount == 0 && font->ConfigData is not null)
|
||||
throw new InvalidOperationException("ConfigDataCount == 0 but ConfigData is not null?");
|
||||
if (font->ConfigDataCount != 0 && font->ConfigData is null)
|
||||
throw new InvalidOperationException("ConfigDataCount != 0 but ConfigData is null?");
|
||||
if (font->ConfigData is not null)
|
||||
_ = Marshal.ReadIntPtr((nint)font->ConfigData);
|
||||
if (font->FallbackGlyph is not null
|
||||
&& ((nint)font->FallbackGlyph < font->Glyphs.Data || (nint)font->FallbackGlyph >= font->Glyphs.Data))
|
||||
throw new InvalidOperationException("FallbackGlyph is not in range of Glyphs.Data");
|
||||
if (font->FallbackHotData is not null
|
||||
&& ((nint)font->FallbackHotData < font->IndexedHotData.Data
|
||||
|| (nint)font->FallbackHotData >= font->IndexedHotData.Data))
|
||||
throw new InvalidOperationException("FallbackGlyph is not in range of Glyphs.Data");
|
||||
if (font->ContainerAtlas is not null)
|
||||
_ = Marshal.ReadIntPtr((nint)font->ContainerAtlas);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
return e;
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Updates the fallback char of <paramref name="font"/>.
|
||||
/// </summary>
|
||||
/// <param name="font">The font.</param>
|
||||
/// <param name="c">The fallback character.</param>
|
||||
internal static unsafe void UpdateFallbackChar(this ImFontPtr font, char c)
|
||||
{
|
||||
font.FallbackChar = c;
|
||||
font.NativePtr->FallbackHotData =
|
||||
(ImFontGlyphHotData*)((ImFontGlyphHotDataReal*)font.IndexedHotData.Data + font.FallbackChar);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Determines if the supplied codepoint is inside the given range,
|
||||
/// in format of <see cref="ImFontConfig.GlyphRanges"/>.
|
||||
/// </summary>
|
||||
/// <param name="codepoint">The codepoint.</param>
|
||||
/// <param name="rangePtr">The ranges.</param>
|
||||
/// <returns>Whether it is the case.</returns>
|
||||
internal static unsafe bool IsCodepointInSuppliedGlyphRangesUnsafe(int codepoint, ushort* rangePtr)
|
||||
{
|
||||
if (codepoint is <= 0 or >= ushort.MaxValue)
|
||||
return false;
|
||||
|
||||
while (*rangePtr != 0)
|
||||
{
|
||||
var from = *rangePtr++;
|
||||
var to = *rangePtr++;
|
||||
if (from <= codepoint && codepoint <= to)
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get data needed for each new frame.
|
||||
/// </summary>
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue