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Update kb_text_shape to v2.05

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gingerBill
2025-12-14 08:20:35 +00:00
parent ab9a05ed2d
commit fc51998e35
2 changed files with 31 additions and 7 deletions
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vendor/kb_text_shape/lib/kb_text_shape.lib vendored
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vendor/kb_text_shape/src/kb_text_shape.h vendored
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@@ -1,4 +1,4 @@
/* kb_text_shape - v2.03 - text segmentation and shaping
/* kb_text_shape - v2.05 - text segmentation and shaping
by Jimmy Lefevre
SECURITY
@@ -1245,6 +1245,9 @@
See https://unicode.org/reports/tr9 for more information.
VERSION HISTORY
2.05 - Fix custom allocator initialization for kbts_shape_context.PermanentArena.
2.04 - Fix Indic syllable logic for small/single-character syllables.
Fix wrong indirection in pointer code in Indic syllable logic.
2.03 - Fix loading blobs directly, fix a parsing edge case in GPOS format 2 subtables.
2.02 - Improve globbing of cursive attachments.
2.01 - Add kbts_InitializeGlyphStorage and kbts_ScriptDirection.
@@ -23172,20 +23175,33 @@ static kbts_glyph *kbts__BeginCluster(kbts__shape_scratchpad *Scratchpad, kbts_s
case KBTS__REPH_ENCODING_IMPLICIT:
if((ScanGlyphIndex >= 2) &&
(Second->SyllabicClass == KBTS_INDIC_SYLLABIC_CLASS_HALANT) &&
kbts__WouldSubstitute(Scratchpad, Config, Storage, LookupList, Frames, Rphf, 0, FirstGlyphs[0], 2))
(Second->SyllabicClass == KBTS_INDIC_SYLLABIC_CLASS_HALANT))
{
OnePastRephIndex = 2;
kbts_glyph Scratch[2];
Scratch[0] = *FirstGlyphs[0];
Scratch[1] = *FirstGlyphs[1];
if(kbts__WouldSubstitute(Scratchpad, Config, Storage, LookupList, Frames, Rphf, 0, Scratch, 2))
{
OnePastRephIndex = 2;
}
}
break;
case KBTS__REPH_ENCODING_EXPLICIT:
if((ScanGlyphIndex >= 3) &&
(Second->SyllabicClass == KBTS_INDIC_SYLLABIC_CLASS_HALANT) &&
(Third->SyllabicClass == KBTS_INDIC_SYLLABIC_CLASS_ZWJ) &&
kbts__WouldSubstitute(Scratchpad, Config, Storage, LookupList, Frames, Rphf, 0, FirstGlyphs[0], 3))
(Third->SyllabicClass == KBTS_INDIC_SYLLABIC_CLASS_ZWJ))
{
OnePastRephIndex = 3;
kbts_glyph Scratch[3];
Scratch[0] = *FirstGlyphs[0];
Scratch[1] = *FirstGlyphs[1];
Scratch[2] = *FirstGlyphs[2];
if(kbts__WouldSubstitute(Scratchpad, Config, Storage, LookupList, Frames, Rphf, 0, Scratch, 3))
{
OnePastRephIndex = 3;
}
}
break;
}
@@ -24068,6 +24084,7 @@ static void kbts__EndCluster(kbts__shape_scratchpad *Scratchpad, kbts_shape_conf
kbts_glyph *First = Storage->GlyphSentinel.Next;
kbts_glyph *Second = First->Next;
if((First->SyllabicPosition == KBTS__SYLLABIC_POSITION_RA_TO_BECOME_REPH) &&
kbts__GlyphIsValid(Storage, Second) &&
(Second->SyllabicPosition != KBTS__SYLLABIC_POSITION_RA_TO_BECOME_REPH))
{
kbts__reph_position RephPosition = Config->IndicScriptProperties.RephPosition;
@@ -25005,6 +25022,9 @@ KBTS_EXPORT kbts_shape_context *kbts_PlaceShapeContext(kbts_allocator_function *
KBTS_MEMSET(Result, 0, sizeof(*Result));
Result->PermanentArena.Allocator = Allocator;
Result->PermanentArena.AllocatorData = AllocatorData;
Result->FontArena.Allocator = Allocator;
Result->FontArena.AllocatorData = AllocatorData;
@@ -25014,6 +25034,9 @@ KBTS_EXPORT kbts_shape_context *kbts_PlaceShapeContext(kbts_allocator_function *
Result->ScratchArena.Allocator = Allocator;
Result->ScratchArena.AllocatorData = AllocatorData;
Result->GlyphStorage.Arena.Allocator = Allocator;
Result->GlyphStorage.Arena.AllocatorData = AllocatorData;
KBTS__DLLIST_SENTINEL_INIT(&Result->FeatureOverrideSentinel);
KBTS__DLLIST_SENTINEL_INIT(&Result->FreeFeatureOverrideSentinel);
}
@@ -25055,6 +25078,7 @@ KBTS_EXPORT void kbts_DestroyShapeContext(kbts_shape_context *Context)
{
if(Context)
{
kbts__FreeArena(&Context->PermanentArena);
kbts__FreeArena(&Context->ConfigArena);
kbts__FreeArena(&Context->ScratchArena);
kbts__FreeArena(&Context->FontArena);