kc3-lang/harfbuzz/src/OT/glyf

---

src/OT/glyf

Branch - branch -main

---

Log

Author	Commit	Date	CI	Message
	82370913	2025-09-15T20:16:52		[vector] Simplify resize()
	dd347eb4	2025-07-23T19:22:19		[VARC] fix potential unitialized value use in get_extents_without_var_scaled. Callers of get_extents_without_var_scaled assume it will set extents if it has returned true.
	de2efbf3	2025-07-21T22:40:57		[glyf] Another OOM fix
	c0052d17	2025-07-21T19:19:05		[ot-font] Handle scratch alloc failures Might fix https://issues.oss-fuzz.com/issues/433311403
	307a19f2	2025-07-20T00:32:45		[glyf] Minor micro-optimize
	abcefb69	2025-07-19T06:57:03		[glyf] Remove dead code
	7a41150f	2025-07-19T06:36:13		[ot-font] Use glyf scratch in v-advances
	a40f85af	2025-07-19T06:18:06		[font] Acquire a scratch for v-origins Still too slow.
	76357479	2025-07-19T06:15:29		[glyf] Non-var-optimize a method
	0dc5f8a2	2025-07-19T06:07:37		[ot-font] Finish caching of v-origins On to benchmarking...
	e697e4d3	2025-07-19T05:48:08		[ot-font] More baby steps towards caching v-origins
	fdf4c759	2025-07-17T23:40:41		[hmtx] Simplify get-leading code Can't return false. The false was being used before to mean "table not present". Handle that instead.
	b359c83c	2025-07-17T23:27:27		[ot-font] Rewrite h/v-advance code Faster, better cached... 24% faster across the benchmarks for hmtx-only path. Comparing before to after Benchmark Time CPU Time Old Time New CPU Old CPU New ------------------------------------------------------------------------------------------------------------------------------------------------------------ BM_Font/glyph_h_advances/Roboto-Regular.ttf/ot -0.2410 -0.2411 2 1 2 1 BM_Font/glyph_h_advances/RobotoFlex-Variable.ttf/ot -0.2482 -0.2484 1 1 1 1 BM_Font/glyph_h_advances/RobotoFlex-Variable.ttf/var/ot -0.0296 -0.0296 48 47 48 47 BM_Font/glyph_h_advances/SourceSansPro-Regular.otf/ot -0.2412 -0.2416 2 2 2 2 BM_Font/glyph_h_advances/SourceSansPro-Regular.otf/var/ot -0.2381 -0.2384 2 2 2 2 BM_Font/glyph_h_advances/AdobeVFPrototype.otf/ot -0.2347 -0.2349 0 0 0 0 BM_Font/glyph_h_advances/AdobeVFPrototype.otf/var/ot -0.0343 -0.0346 2 2 2 2 BM_Font/glyph_h_advances/SourceSerifVariable-Roman.ttf/ot -0.2623 -0.2621 2 1 2 1 BM_Font/glyph_h_advances/SourceSerifVariable-Roman.ttf/var/ot -0.0388 -0.0401 24 23 24 23 BM_Font/glyph_h_advances/Comfortaa-Regular-new.ttf/ot -0.2396 -0.2394 1 1 1 1 BM_Font/glyph_h_advances/NotoNastaliqUrdu-Regular.ttf/ot -0.2344 -0.2346 2 1 2 1 BM_Font/glyph_h_advances/NotoSerifMyanmar-Regular.otf/ot -0.2366 -0.2367 1 1 1 1 OVERALL_GEOMEAN -0.1945 -0.1948 0 0 0 0
	e81efe3a	2025-07-11T01:40:23		[glyf] Add TODO
	47089fe7	2025-05-28T17:10:22		Big misc changes - Make geometry types into templates taking float or double. - Changes to paint() transform elimination. - Add font->has_nonzero_coords and use it across. - Extensions to avar processing for otherwise invalid mappings.
	8eb2f07c	2025-05-26T13:21:25		Merge branch 'main' into HVF
	e1dcc454	2025-05-21T16:00:08		[gvar] Use cached scratch in get_extents Makes it alloc-free. 15% faster on benchmark-font glyph_extents RobotoFlex var benchmark.
	a13fd9ae	2025-05-21T12:23:19		Merge branch 'main' into HVF
	c6097698	2025-05-16T01:10:43		[ot-font/draw] Use a gvar shared-tuple scalar cache for calculate_scalar Massive saving on massively variable fonts. Over 30% on a tested font.
	a9ed7515	2025-04-20T04:35:44		Merge branch 'main' into HVF
	27b2e16a	2025-04-20T04:34:40		[atomic] Make cmpexch() non-const Was a mistake. Make the affected members mutable instead.
	5402fe24	2025-03-12T23:06:11		Merge branch 'main' into HVF
	4807a021	2025-03-12T18:27:27		[atomic] Kill hb_atomic_ptr_t<T> Use hb_atomic_t<T *> instead.
	d4bf8a77	2025-03-02T17:03:15		[glyf] Regain speed if variations are all zero We always have coords array populated now... Check for non-zero.
	9b6da299	2025-03-02T17:00:14		[font/var] Try to regain performance of all-normalized-coords=0
	e0c6c980	2025-03-02T13:32:54		[VARC] Implement get_extents() Fixes https://github.com/harfbuzz/harfbuzz/issues/5007
	64dbeaf0	2025-02-28T00:54:39		[glyf] Mover decycler to the scratch pad
	44b7ba51	2025-02-26T13:47:45		[GVAR] Hide behind HB_NO_BEYOND_64K
	13900ce4	2025-02-26T13:41:52		[GVAR] Hook up to face and glyf table
	84ffb7e4	2025-02-26T12:51:04		[SimpleGlyph] Minor use an intermediate variable
	54db2b2e	2025-02-26T12:48:55		[SimpleGlyph] Remove a conditional from hot path 5% speedup in Roboto-Regular draw benchmark
	51d3489c	2025-02-26T12:09:31		[Composite] Fix memory-free rendering
	59e6a1c4	2025-02-26T11:16:04		[glyf/Composite] Malloc-free
	fcbf14a0	2025-02-25T20:16:18		[CompositeGlyph] Adjust pre-allocation
	6ca8852e	2025-02-25T19:57:43		[glyf] Return earlier if table is empty
	7614320a	2025-02-25T16:59:37		[glyf] Reduce malloc pressure Benchmark 15% faster for draw.
	882d3288	2025-02-25T16:34:55		[glyf] Port to decycler for composite glyphs 5% speed up drawing Roboto-Regular.ttf.
	7222c1e5	2025-02-25T15:13:20		[path-builder] Add a constexpr
	76c3beaf	2025-02-24T19:50:51		[VARC] Reduce malloc overhead
	2032da01	2025-02-18T20:54:56		[ot-font] Centralize painting an outline glyph
	d2a88fbd	2025-02-12T21:48:22		[vector] Add alloc_exact()
	4b54ee11	2025-02-09T12:38:58		[glyf] Change drawing algorithm to match FreeType / CoreText
	f68193a0	2025-02-09T11:43:07		[glyf] Use direct access to points array Not necessary faster. Prep'ing for next change.
	4ec3cb0f	2024-06-06T11:47:18		[Glyph] Don't round to int when shifting glyphs Fixes a fuzzer issue and seems harmless.
	e8139bea	2024-03-27T11:39:32		Revert "[varc] Reuse x_deltas and y_deltas vectors" This reverts commit 604f27b3069f2ef11b045cfb35e8c3a5fd99fb8b. Not worth it.
	f97d1ea2	2024-03-27T11:38:58		[varc] Reuse x_deltas and y_deltas vectors Going to revert since it has minimal improvement with lots of piping through.
	3d846a8d	2024-03-16T21:49:17		[limits] Centralize graph edge limits
	bb3bfe8c	2024-03-16T14:02:16		[glyf] Remove old glyf1 VarComposites support
	a94a5c63	2024-04-16T17:10:43		[varc] Add get_point_at to glyf/CFF2
	c2f8f35a	2024-03-15T18:45:24		Use inttypes.h PRI?32 macros in format strings for [u]int32_t args. This is a modified and cleaned-up version of PR #4619 by @jpcomito: hb-common.h now expects 'inttypes.h' presence with MSVC exceptions, defines __STDC_FORMAT_MACROS in there (if not already defined) and undoes c930ae2 (PR #1974) and 902ab86. Co-authored-by: jcomito <jcomito@google.com>
	595def8f	2024-03-14T12:34:39		Revert "Fixing compiler warnings" This reverts commit 61a1ba2ff0fc1b1ed9db0b7c1dd0f59a4312e6e6.
	61a1ba2f	2024-03-12T21:34:14		Fixing compiler warnings All warning are for format specifiers (-WFormat) in sprintf().
	52c3cda3	2024-01-26T10:55:57		[instancer] add composite_new_gids set in subset plan This is only used by iup delta optimization where we need to know whether glyph is composite or not
	2023384b	2023-08-22T13:09:26		Merge pull request #4368 from googlefonts/support_gvar Initial implementation for gvar partial instancing
	06ff3bcb	2023-08-15T14:41:18		[COLR,glyf] Use map instead of set for tracking current glyphs / layers
	b530e485	2023-08-15T14:31:40		[glyf] Don't recuse into alread-active composite glyphs Deny loops.
	eb116e16	2023-07-28T15:27:07		[instancer] Add new_gid->contour_points vector map in subset plan - Add an API in Glyph to export original contour_points vector, which is needed by infer_deltas when merging tuple variations with the same tent
	7f5380fe	2023-07-02T12:19:22		[Composite] Don't apply transformation if phantom_only
	0cf759b0	2023-07-02T12:15:43		[Glyph] Don't shift anchored Composite if phantom_only Fixes https://oss-fuzz.com/testcase-detail/5114131137822720
	645bde47	2023-07-02T12:07:22		[Glyph] Pass phantom-only to gvar only for SIMPLE glyphs For Composites we need to get the translation offset deltas.
	794fac32	2023-06-29T20:55:52		[glyf] Minor another range for loop
	0ae16766	2023-06-29T20:38:42		[CompositeGlyph] Minor use a range for loop
	05c01ad5	2023-06-29T16:49:20		[SimpleGlyph] Minor use a range for loop
	4123e0c7	2023-06-29T16:27:35		[path-builder] Speed up mid-point calculation
	ca44c38c	2023-06-29T14:41:21		Add HB_ALWAYS_INLINE With MSVC implementation as well.
	c49ca371	2023-06-29T12:38:45		[Glyph] Minor micro-optimize away a function call For when coords are not set.
	5fb7b02a	2023-06-29T12:28:43		[CompositeGlyph] Minor use range loop
	20b32b04	2023-06-29T12:08:11		[SimpleGlyph] Micro-optimize phantom_only
	04809ede	2023-06-29T11:58:53		[CompositeGlyph] Micro-optimize translate()
	229db973	2023-06-29T11:54:10		[CompositeGlyph] Minor use vector::push()
	75101802	2023-06-29T10:54:49		[CompositeGlyph] Micro-optimize
	e9d74d6b	2023-06-29T10:53:52		[SimpleGlyph] Minor add an unlikely to error condition
	6abca413	2023-06-29T10:39:49		[path-builder] Micro-optimize No need to initialize these when has_data=false.
	5703c1c4	2023-06-29T10:35:23		[path-builder] Add a couple of unlikely's
	f5eead04	2023-06-28T15:07:15		[glyf/gvar] Optimize getting variable phantom points Used when there's no HVAR table and get_h_advance(). I see some 10% speedup with a SourceSerifVariable-Roman with the HVAR table removed.
	e42d6df5	2023-06-28T14:25:11		[glyf] Minor refactor a couple of lines and micro-optimize
	c31471d1	2023-06-28T13:51:54		[glyf] Micro-optimize
	83d75d5e	2023-06-28T13:35:24		[glyf] always_inline consume_point 7% speedup in: BM_Font/draw_glyph/Roboto-Regular.ttf/hb
	8795cced	2023-06-28T13:29:29		Revert "[SimpleGlyph] Avoid branches in read_points" This reverts commit ba062c713e469f91f57f3c85990f721789ec7c2a.
	ba062c71	2023-06-28T13:24:37		[SimpleGlyph] Avoid branches in read_points Calculate total bytes in read_flags and bounds-check once. This slows things down apparently, so going to revert.
	452557cd	2023-06-26T18:40:54		Replace a free with hb_free Ouch.
	1fc128f6	2023-06-26T18:34:27		Replace a few memset/memcpy's with hb_ equivalents
	15048e50	2023-06-04T10:07:04		[serialize] Add more function attributes
	82741304	2023-06-04T09:41:41		[subset] start_embed never returns nullptr Remove checks.
	af3fdf1f	2023-06-04T09:22:42		[subset/glyf] Simplify error handling
	3dd1de46	2023-06-04T09:15:14		[subset/glyf] Fix a few return_trace's
	73f2f935	2023-06-04T09:12:18		[subset/glyf] Fix another leak
	3d08a2f1	2023-06-03T23:38:38		[subset/glyf] Fix leak
	fc33200d	2023-06-03T23:29:39		[subset/glyf] Avoid a vector copy Oops!
	3bfcbd61	2023-06-03T23:17:56		[subset/glyf] Minor use range lopp
	917c8d0a	2023-06-03T23:15:56		[subset/glyf] Minor change of value
	87cf09bd	2023-06-03T21:00:56		[subset/loca] Fix up for retaingid null glyphs at the end We currently don't have those, but in case we add.
	38fa0323	2023-06-03T18:51:09		Revert "[subset/loca] Build in the serializer memory" This reverts commit 546b51818666ca1ddb01824f752eccbd6a751b4b.
	546b5181	2023-06-03T18:50:35		[subset/loca] Build in the serializer memory Because it's hot. Doesn't seem to speed up though. Slight slowdown. Going to revert.
	3cb2b49e	2023-06-03T18:44:56		[subset/loca] Shuffle code around
	b0d0babb	2023-06-03T17:14:55		[subset/loca] Rewrite loop faster
	ca27925d	2023-06-03T16:18:15		Use hb_codepoint_pair_t in more places
	c7493efe	2023-06-03T15:39:27		[subset/loca] Micro-optimize
	efefec13	2023-06-02T20:33:52		[subset/glyf] Remove unneeded codepath
	ac1f5ca0	2023-06-02T17:07:44		[subset/loca] Micro-optimize