src/cff

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Author Commit Date CI Message
Werner Lemberg 32cb5390 2025-09-06T06:14:03 Update all copyright notices.
Werner Lemberg b04db387 2025-07-04T19:52:53 [sfnt] Rewrite GPOS kerning support. (2/2) The previous code had a fundamental flaw: it didn't validate the necessary parts of the 'GPOS' table before accessing it, causing crashes with malformed data (since `TT_CONFIG_OPTION_GPOS_KERNING` is off by default, standard fuzzers don't catch these problems). Additionally, it did a lot of parsing while accessing kerning data, making it rather slow. The new implementation fixes this. After validation, offsets to the 'GPOS' lookup subtables used in the 'kern' feature that correspond to 'simple' kerning (i.e., similar to 'kern' table kerning) are stored in `TT_Face`; this greatly simplifies and accelerates access to the kerning data. Testing with font `SF-Pro.ttf` version '1.00', the validation time for the 'GPOS' table increases the start-up time of `FT_New_Face` by less than 1%, while calls to `FT_Get_Kerning` become about 3.5 times faster. * include/freetype/internal (gpos_kerning_available): Replace with... (gpos_lookups_kerning, num_gpos_lookups_kerning): ... these new fields. Update callers. * src/ttgpos.c [TT_CONFIG_OPTION_GPOS_KERNING]: A new implementation.
Werner Lemberg ecbc1abf 2025-07-04T06:12:34 [cff] Support GPOS kerning. * src/cff/cffdrivr.c (cff_get_kerning) [TT_CONFIG_OPTION_GPOS_KERNING]: Add code similar to the one in `tt_get_kerning`.
Werner Lemberg 8d82c9fa 2025-07-01T17:08:37 */*: Fix trivial signedness issues with format strings in trace messages. As reported with clang 19's `-Wformat` option.
Alexei Podtelezhnikov c1278179 2025-05-07T17:57:42 * src/cff/cffgload.c (cff_slot_load): Fix autohinter scaling. Fixes #1330.
Alexei Podtelezhnikov 73318c86 2025-01-08T15:45:32 [cff] Remove size/slot checks. After the previous commit, cff_glyph_load is no longer called without first checking for valid size and glyph objects in FT_Glyph_Load and these checks can be removed downstream. * src/cff/cffdrivr.c (cff_glyph_load): Remove `size` and `glyph` checks. * src/cff/cffgload.c (cff_slot_load): Ditto.
Alexei Podtelezhnikov c7a255b4 2025-01-07T19:52:29 * src/cff/cffdrivr.c (cff_get_advances): Do only fast advances. Otherwise, let TT_Get_Advances fall back on cff_load_glyph to do slow advances. This avoids unchecked access to cff_load_glyph and this is how tt_get_advances is implemented.
Alexei Podtelezhnikov 5245fd69 2025-01-03T21:26:10 Delay FT_GLYPH_FORMAT_OUTLINE assignmets. This assignmets used to be done prematurely before errors were checked and outlines were actually loaded. Delaying the assignment provides certain protection against careless usage of malformed input that should now remain FT_GLYPH_FORMAT_NONE. * src/cff/cffgload.c (cff_slot_load): Ditto. * src/cid/cidgload.c (cid_slot_load_glyph): Ditto. * src/pfr/pfrobjs.c (pfr_slot_load): Ditto. * src/truetype/ttgload.c (TT_Load_Glyph): Ditto. * src/type1/t1gload.c (T1_Load_Glyph): Ditto.
Alexei Podtelezhnikov 64f8b7fb 2025-01-02T18:22:24 Remove superfluous outline zeroing. This is already done by `ft_glyphslot_clear`. * src/cff/cffgload.c (cff_slot_load): Do not zero outline fields. * src/cid/cidgload.c (cid_slot_load_glyph: Ditto. * src/pfr/pfrobjs.c (pfr_slot_load): Ditto. * src/truetype/ttgload.c (load_sbit_image): Ditto. * src/type1/t1gload.c (T1_Load_Glyph): Ditto.
Ben Wagner 59320b2d 2024-12-04T16:55:10 [cff] Fix leak of cmap data When `sfnt->load_face` succeeds it has already loaded any (optional) cmap data. As a result, a subsequent call to `sfnt->load_cmap` will overwrite the cmap data pointer with a new copy of the data but not free the old, leading to a leak. This is a fix for "* src/cff/cffobjs.c (cff_face_init): Better handling of Type0 fonts.". This still allows the cmap to be missing but avoids the leak by only calling `sfnt->load_cmap` when there is no `head` table (the font data is not being loaded as OpenType/CFF). * src/cff/cffobjs.c (cff_face_init): Fix leak Fixes: #1306
Honnesh Ramachandra 3f3e3de3 2024-11-06T06:28:41 * src/cff/cffobjs.c (cff_face_init): Better handling of Type0 fonts. This issue relates to the PDF specification and its usage of CFF-based embedded Type0 fonts. For Type0 fonts containing CID-keyed descendant CFF-based fonts, the glyph index is the CID present in the content stream. As a result, there is no requirement for a 'cmap' table to be present in the font since the glyph indices are derived directly from the CIDs. FreeType throws an error when it doesn’t find a 'cmap' table for such an Open Type font containing CFF outlines. This commit relaxes this requirement for a 'cmap' table for such fonts.
Alexei Podtelezhnikov 5f131cfd 2024-05-21T16:24:43 [cff, truetype] Validate variation axes immediately. Instead of validating variation axes in every access, OpenType specs suggest that peak = 0 be used to tag invalid ranges. This implements just that once during loading. * src/cff/cffload.c (cff_blend_build_vector): Move the range checks... (cff_vstore_load): ... here. * src/truetype/ttgxvar.c (tt_var_get_item_delta): Ditto... (tt_var_load_item_variation_store): ... ditto.
Alexei Podtelezhnikov 99be2b31 2024-05-21T18:26:09 [cff, truetype] Rearrange variation range checks. This should achieve quicker results for common cases. * src/cff/cffload.c (cff_blend_build_vector): Rearrange conditionals. * src/truetype/ttgxvar.c (tt_var_get_item_delta): Ditto.
Alexei Podtelezhnikov 4ccdc9f9 2024-05-20T18:53:57 [cff] Optimize the blend vector computations. * src/cff/cffload.c (cff_blend_build_vector): Use FT_MulDiv and skip multiplying by 1.
Ben Wanger 2a790a9f 2024-02-28T17:45:19 [cff, truetype] Always set up default variable instance. For default variable instances `cff_face_init` did not set the blend. This mostly worked as later use of the unset blend produced the default variation. However, if a user called `TT_Get_MM_Var` the blend would be partially set up, but not fully. In particular the number of axes, the axis definitions, and the instance locations would be set up, but not the current instance location (`coords` and `normalizedcoords`). This could lead to the default instances of CFF2 fonts erroring on any use of `blend`. Ensure the default variable instance is fully set up by always calling `FT_Set_Named_Instance` on a variable face. * src/cff/cffobjs.c (cff_face_init): Call `FT_Set_Named_Instance` on default instances. * src/truetype/ttobjs.c (tt_face_init): Ditto. Fixes #1268.
Alexei Podtelezhnikov 47574f7e 2024-01-27T11:11:22 Update all copyright notices.
Skef Iterum 8eab5110 2023-12-14T06:59:05 [CFF] Extract `BlueValues` as `Fixed` rather than `Int`. This is a follow-up to commit 26a7f047, [cff] Make blend operator work with floats in private dicts. which addressed the 'party baseline' bug. However, the reporting user indicated that the default location and some other points in design space rendered OK, but other points in design space still had problems. The most obvious issue being that the x-heights of lower-case letters did not align; see https://github.com/adobe-fonts/source-serif/issues/121#issuecomment-1773794136 After some analysis we determined that this was due to an interaction between `BlueValue` rounding and the zone-based algorithm. In short, for a point to be considered in a zone it must fall within the bounds of the zone. (There is a slop factor in some cases, but only a very small one.) In the Adobe-contributed side of the code, point values are not integer-rounded, instead they're kept as (some form of) fixed. Rounding just the `BlueValues` means that points that need to be considered within a zone will fall outside of it at some points in design space. The majority of this patch changes the storage and parsing of `BlueValues` to keep them as `FT_Fixed`. No significant code changes were needed because the values are converted to `Fixed` anyway when stored in `CF_BlueRec`. No attempt was made to address problems in the older pshinter code beyond converting the values from `FT_Fixed` to `FT_Short` when copying the private dictionary. (However, as the point values are also rounded in that code, the problem is much less likely to occur, although inconsistency between rounding and truncation could cause an analogous problem.) * include/freetype/internal/cfftypes.h (CFF_PrivateRec): Use `FT_Fixed` for `blue_values`, `other_blues`, `family_blues`, and `family_other_blues`. * src/cff/cffload.c (cff_blend_doBlend): Updated. * src/cff/cffobjs.c (CFF_fixedToInt): New macro. (cff_make_private_dict): Use it. * src/cff/cffparse.h (cff_kind_delta_fixed): New enum value. * src/cff/cffparse.c (do_fixed): Updated. (CFF_FIELD_DELTA, CFF_FIELD_DELTA_FIXED, CFF_DELTA_KIND): New set of macros, replacing `CFF_FIELD_DELTA`. (cff_parser_run): Updated to handle fixed-float deltas. * src/cff/cfftoken.h: Updated to use `CFF_FIELD_DELTA_FIXED` for blue values. * src/psaux/psblues.c (cf2_blueToFixed): Removed, no longer needed. (cf2_blues_init): Updated. * src/pxaux/psft.c, src/pxaux/psft.h (cf2_getBlueValues, cf2_getOtherBlues, cf2_getFamilyBlues, cf2_getFamilyOtherBlues): Updated signatures. * src/psaux/psobjs.c (t1_make_subfont): Updated.
Alexei Podtelezhnikov 446720a2 2023-09-09T23:01:13 * src/cff/cffparse.c (CFF_Field_Handler): Some s/0/NULL/.
Alexei Podtelezhnikov 9c51e21e 2023-09-07T23:50:35 [cff, truetype] Improve prefix and suffix removal. * src/cff/cffobjs.c (remove_style): Rewrite using pointers. (remove_subset_prefix): Unwrap loop and use `memmove`. * src/truetype/ttobjs.c (tt_skip_pdffont_random_tag): Unwrap loop and avoid `strlen`.
Werner Lemberg d42679b9 2023-08-25T18:05:01 Fix clang warnings. * src/cffload.c (cff_blend_doBlend): Fix type of `sum`. * src/truetype/ttgxvar.c (tt_var_load_item_variation_store): Fix type of `word_delta_count`.
Werner Lemberg 3c92e7bf 2023-07-14T18:58:55 [cff] Fix compiler warning. * src/cff/cffparse.c, src/cff/cffparse.h: Make `cff_parse_fixed` a local function.
Skef Iterum 26a7f047 2023-07-11T01:40:25 [cff] Make blend operator work with floats in private dicts. The CFF2 blend operator takes N default values and corresponding sets of deltas and pushes N values specific to a designspace location. CFF has a floating point numeric type and the FreeType blending code was not converting those into its internal 16.16 Fixed type format. Fixes #1243. * src/cff/cffparse.c (do_fixed): Handle floating point numbers. Also fix scaling overflow check for integer-to-fixed conversion. * src/cff/cffload.c (cff_blend_doBlend): Updated.
Ben Wagner 2fb8eda5 2023-06-01T19:38:36 */*: Remove many function pointer casts. In C it is undefined behavior to call a function through a function pointer of a different type. This is now detected by the Control Flow Integrity Sanitizer. All known issues have already been fixed. Prevent any accidental re-introduction by removing function pointer casts when defining services. The services will call the service functions through the function pointers on the service. As a result the functions must have the same type so there should be no need to cast. Removing the casts allows compilers to warn about assignment to an incompatible function pointer type.
Werner Lemberg 416d4c25 2023-05-15T15:44:36 Add new load flag `FT_LOAD_NO_SVG`. Modern color fonts often contain both an 'SVG' and 'COLR' table. FreeType always preferred 'SVG' over 'COLR' (this was a design decision), however, this might not be the right choice for the user. The new flags makes FreeType ignore the 'SVG' table while loading a glyph. Fixes #1229. * include/freetype/freetype.h (FT_LOAD_NO_SVG): New macro. * src/base/ftobjs.c (FT_Load_Glyph), src/cff/cffgload.c (cff_slot_load), src/truetype/ttgload.c (TT_Load_Glyph): Use it.
Werner Lemberg e02a40a4 2023-05-08T20:12:26 * src/cff/cffdrivr.c (cff_glyph_load): Fix guard for `size`. This was forgotten to change in commit 2b54eba36b (in May 2004). Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58739
Werner Lemberg 5edd6d52 2023-05-08T07:22:59 Minor compiler warning fixes. * src/autofit/afcjk.c (af_cjk_get_standard_widths), src/autofit/aflatin.c (af_latin_get_standard_widths): Use `FT_CALLBACK_DEF`. * src/cff/cffparse.c (cff_parser_run): Initialize and fix allocation of `q`.
Werner Lemberg 4a28ff3d 2023-05-07T09:14:27 * src/cff/cffcmap.c: Signature fixes.
Werner Lemberg c0414119 2023-05-06T18:57:42 * src/cff/*: Clean up interface. Ensure that all driver functions use the signature of the service or driver. This avoids pointer mismatches, which are technically undefined behaviour. Recent compilers are more picky in catching them as part of Control Flow Integrity tests.
Werner Lemberg c8a24209 2023-04-27T11:40:46 [truetype] Fix PostScript name handling for variation fonts. A variation font's PostScript name of a named instance is usually different from the PostScript name of an unnamed instance. However, if a change between a named instance and an unnamed instance with exactly the same design axis values happened, it was possible that the PostScript name wasn't correctly updated. This commit reorganizes the code to handle this issue within the top-level API functions, using a new service to trigger recomputation of the PostScript name. * include/freetype/internal/services/svmm.h (FT_Construct_PS_Name_Func): New typedef. (FT_Service_MultiMasters): New field `construct_ps_name`. (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. * src/base/ftmm.c (FT_Set_Var_Design_Coordinates, FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): Call `mm->construct_ps_name` to handle `postscript_name`. (FT_Set_Named_Instance): Call `mm->construct_ps_name` to handle `postscript_name`. Use shortcut. * src/cff/cffdrivr.c (cff_construct_ps_name): New function. (cff_service_multi_masters): Updated. * src/truetype/ttgxvar.c (tt_set_mm_blend): Don't handle `postscript_name`. (TT_Set_MM_Blend): Simplify. (TT_Set_Named_Instance): Return -1 if axis values haven't changed. Don't set `face_index`. (tt_construct_ps_name): New function. * src/truetype/ttgxvar.h: Updated. * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. * src/type1/t1driver.c (t1_service_multi_masters): Updated. * src/type1/t1load.c (T1_Set_MM_Blend): Simplify.
Werner Lemberg 6713b1e4 2023-04-26T12:03:04 [truetype] Fix deactivation of variation font handling. According to the documentation, the functions `FT_Set_Named_Instance`, `FT_Set_MM_Design_Coordinates`, `FT_Set_Var_Design_Coordinates`, and `FT_Set_Var_Blend_Coordinates` can unset the `FT_FACE_FLAG_VARIATION` flag. (The same is true for `FT_Set_MM_WeightVector` but this information was accidentally omitted from the documentation.) However, if a call of these functions didn't change the axis values this could fail because internal shortcuts exited too early. This commit reorganizes the code to handle `FT_FACE_FLAG_VARIATION` in the top-level API functions, also taking care of the issue at hand. * src/base/ftmm.c (FT_Set_MM_Design_Coordinates, FT_Set_MM_WeightVector, FT_Set_Var_Design_Coordinates, FT_Set_MM_Blend_Coordinates, FT_Set_Var_Blend_Coordinates): Handle `FT_FACE_FLAG_VARIATION`. * src/truetype/ttgxvar.c (TT_Set_MM_Blend, TT_Set_Var_Design, TT_Set_Named_Instance) Don't handle `FT_FACE_FLAG_VARIATION`. * src/type1/t1load.c (T1_Set_MM_Blend, T1_Set_MM_WeightVector, T1_Set_MM_Design): Ditto. * src/cff/cffobjs.c (cff_face_init): Use `FT_Set_Named_Instance` instead of low-level functions. * src/truetype/ttobjs.c (tt_face_init): Ditto.
Werner Lemberg fdcb14a2 2023-04-27T06:18:38 s/set_instance/set_named_instance/ * include/freetype/internal/services/svmm.h (FT_Set_Instance_Func): Renamed to... (FT_Set_Named_Instance_Func): ...this. (FT_Service_MultiMasters): Rename `set_instance` to `set_named_instance`. (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. * src/base/ftmm.c (FT_Set_Named_Instance): Updated. * src/cff/cffdrivr.c (cff_set_instance): Renamed to... (cff_set_named_instance): ...this. (cff_service_multi_masters): Updated. * src/cff/cffobjs.c (cff_face_init): Updated. * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. * src/type1/t1driver.c (t1_service_multi_masters): Updated.
Werner Lemberg fb982e78 2023-04-26T08:17:17 New Variation Font function `FT_Get_Default_Named_Instance`. * include/freetype/ftmm.h, src/base/ftmm.c (FT_Get_Default_Named_Instance): New function. * include/freetype/internal/services/svmm.h (FT_Get_Default_Named_Instance_Func): New typedef. (FT_Service_MultiMasters): New field `get_default_named_instance`. (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. * include/freetype/internal/tttypes.h (TT_Face): New field `var_default_named_instance`. * src/sfnt/sfobjc.s (sfnt_init_face): Initialize `var_default_named_instance`. * src/cff/cffdrivr.c (cff_get_default_named_instance): New function. (cff_service_multi_masters): Updated. * src/truetype/ttgxvar.c (TT_Get_MM_Var): Initialize `var_default_named_instance`. (TT_Get_Default_Named_Instance): New function. * src/truetype/ttgxvar.h: Updated. * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. * src/type1/t1driver.c (t1_service_multi_masters): Updated. * docs/CHANGES: Updated.
Werner Lemberg 966ff5a5 2023-04-28T15:25:20 * src/cff/cffdrivr/c (cff_get_ps_name): Avoid unnecessary crash. The situation can happen if `FT_New_Face` (or one of its siblings) is called with a negative index to get the number of contained faces, followed immediately by a call to `FT_Get_Postscript_Name`. While this is not a valid use of the FreeType library there is no need for a crash. Fixes #1219.
Werner Lemberg 17a0c5df 2023-04-28T10:40:41 * src/cff/cffdrivr.c (cff_ps_get_font_info): Reject 'CFF2' format.
Werner Lemberg 9a3d05d9 2023-04-26T19:00:05 * src/ttgxvar.c: Minor changes. (TT_Get_MM_Var): Improve tracing messages. (tt_set_mm_blend): Minor speed-up.
Werner Lemberg cfe54d6a 2023-04-26T13:15:57 s/this is,/that is,/
Ben Wagner e78e2d29 2023-04-06T11:16:29 [sfnt, truetype] Add `size_reset` to `MetricsVariations`. This is a generalization of commit ``` commit e6699596af5c5d6f0ae0ea06e19df87dce088df8 Author: Werner Lemberg <wl@gnu.org> Date: Thu Feb 2 11:38:04 2017 +0100 [truetype] Fix MVAR post-action handling. ``` It is also possible for plain `CFF ` style fonts to contain an `fvar` and `MVAR` table and use `cff_metrics_adjust`. `tt_size_reset` should only be called with `TT_Size` and never with `CFF_Size`. Allow the "metrics-variations" service to specify the correct function (if any) to reset `FT_Size`s after adjusting metrics. * src/truetype/ttobjs.c (tt_size_reset): Split off some functionality into... (tt_size_reset_height): ... this new function. * src/truetype/ttdriver.c (tt_service_metrics_variations): Add `size_reset`. (tt_size_select, tt_size_request): Updated. * src/truetype/ttobjs.h: Updated. * include/freetype/internal/services/svmetric.h (MetricsVariations): Add `size_reset`. (FT_DEFINE_SERVICE_METRICSVARIATIONSREC): Updated. * include/freetype/internal/tttypes.h (TT_FaceRec_): Rename `var` to `tt_var` and add `face_var`. * src/cff/cffdrivr.c (cff_service_metrics_variations): Add `size_reset`. (cff_hadvance_adjust, cff_metrics_adjust): Updated. * src/cff/cffobjs.c (cff_face_init): Use `face_var`. * src/sfnt/sfobjs.c (sfnt_init_face): Initialize `face_var`. * src/sfnt/ttmtx.c (tt_face_get_metrics): Use `tt_var`. * src/truetype/ttgxvar.c (tt_size_reset_iterator): Renamed to... (ft_size_reset_iterator): ... this new function. Call `size_reset`. (tt_apply_mvar): Pass `size_reset` to `ft_size_reset_iterator`. Fixes #1211
Alexei Podtelezhnikov e77d8ba8 2023-04-10T15:17:17 * src/cff/cffcmap.c (cff_cmap_encoding_char_next): Abbreviate.
Alexei Podtelezhnikov 1a4c18f7 2023-04-10T15:30:43 Align `char_next` return types. This is mostly cosmetic because FT_UInt and FT_UInt32 are likely identical. * src/sfnt/ttcmap.c, src/cff/cffcmap.c, src/psaux/t1cmap.c, src/psnames/psmodule.c, include/freetype/internal/service/svpcsmap.h, src/pfr/pfrcmap.c, src/winfonts/winfnt.c (*_char_next): return FT_UInt.
Alexei Podtelezhnikov 4d8db130 2023-03-20T16:53:51 [cff] Simplify `t2_strings` management in the old engine. * src/cff/cffparse.c (cff_parser_run): Allocate the charstring buffers and the list nodes together so that they can be freed at once. (finalize_t2_strings): Removed as no longer needed. (cff_parser_done): Updated.
Alexei Podtelezhnikov 4f0a55d1 2023-03-19T10:13:52 [cff] Rework the stream limit checks. The old stream limit checks, before 6986ddac1ece, were good but pointless for the crafted t2_strings. Checking limits there is not necessary as they are created to hold all data. By using two conditions, we can detect the actual crossing of the stream boundary as appropriate for the stream pointer only. The t2_strings parsing will not be triggering these checks. * src/cff/cffparse.c (cff_parser_within_limits): Removed. (cff_parse_real, cff_parse_integer): Redesign the stream limit check. (cff_parse_num, do fixed, cff_parse_fixed_dynamic): Update callers.
Alexei Podtelezhnikov c4b5127b 2023-03-05T00:31:58 * src/cff/cffparse.c (cff_parser_run): Thinko.
Alexei Podtelezhnikov de600220 2023-03-04T23:49:49 [cff] Clean up CharString number encoding. * src/cff/cffparser.c (cff_parser_run): Work with signed numbers.
Alexei Podtelezhnikov 51c17054 2023-03-04T23:32:50 * src/cff/cffparse.c (cff_parser_run): Fix variable type.
Alexei Podtelezhnikov a2b8937d 2023-03-04T14:00:52 [cff] Clean up memory management in the old engine. * src/cff/cffparse.c (finalize_t2_strings): Fix NULL-dereferencing in the out-of-memory situation, use `FT_FREE`. (cff_parser_run): Use FreeType memory allocation macros and avoid uninitialized pointers.
Alexei Podtelezhnikov 29578f75 2023-03-04T13:39:27 * src/cff/cffobjs.c (cff_size_init): Synonymous change.
Alexei Podtelezhnikov 2adef94f 2023-03-03T18:40:48 * src/cff/cffobjs.c (cff_size_get_globals_funcs): Shorten de-referencing.
Alexei Podtelezhnikov 5ac6276a 2023-03-03T17:21:10 [cff,cid,type1] Shorten de-referencing. * src/cff/cffobjs.c (cff_clot_init): Use immediate library reference. * src/cid/cidobjs.c (cid_slot_init): Ditto. * src/type1/t1objs.c (T1_GlyphSlot_Init): Ditto.
Alexei Podtelezhnikov e95e6234 2023-03-02T17:58:03 * src/cff/cffload.c (cff_subfont_load): Synonymous update.
Alexei Podtelezhnikov 6423ddb8 2023-02-25T21:54:21 * src/cff/cffload.c (cff_encoding_load): Optimize array zeroing. This is unnecessary for predefined standard and expert encodings. Even for custom encodings the arrays might be already zeroed when CFF_FontRec is created but we keep it just in case.
Werner Lemberg be724c81 2023-02-07T22:24:53 For debugging, avoid implicit conversion from integer to double. Otherwise we get zillions of clang 15 warnings. * src/autofit/afcjk.c, src/autofit/afhints.c, src/autofit/aflatin.c, src/base/ftobjs.c, src/base/ftoutln.c, src/cff/cffparse.c, src/raster/ftraster.c, src/sfnt/pngshim.c, src/truetype/ttgload.c, src/truetype/ttgxvar.c, src/truetype/ttobjs.c, src/type1/t1gload.c: Use `double` cast in debugging and tracing macros.
Werner Lemberg 646cc8ef 2023-02-02T10:38:18 * src/cff/cffgload.c (cff_slot_load): Avoid memory leak. Fixes issue #1204.
Werner Lemberg 65f85237 2023-01-17T09:18:25 Update all copyright notices.
Alexei Podtelezhnikov 1bfaca06 2022-10-21T07:18:06 [cff, truetype] Simplify SVG metrics scaling. Use pre-calculated scaling factors. Also, the advance widths used to be rounded, which was incorrect. * src/cff/cffgload.c (cff_slot_load): Use `x_scale` and `y_scale`. * src/truetype/ttgload.c (TT_Load_Glyph): Ditto.
Werner Lemberg 5182264a 2022-10-10T12:31:53 [cff] Remove `FT_CONFIG_OPTION_NO_GLYPH_NAMES`. This ancient option stayed completely undocumented. Given that the 'cff' driver requires the 'psnames' module, it makes no sense today to have this macro. * src/cff/cffdrivr.c (cff_services), src/cff/cffobjs.c (cff_face_init): Remove corresponding conditional code.
Werner Lemberg 2848378b 2022-06-21T17:08:04 s/fixed point/fixed-point/
Ben Wagner b11074cf 2022-06-06T15:59:56 [svg] Set linear advances when loading SVG glyphs * include/freetype/freetype.h (FT_GlyphSlotRec_): update doc * src/cff/cffgload.c (cff_slot_load): do it * src/truetype/ttgload.c (TT_Load_Glyph): do it Fixes: #1156
Dominik Röttsches a4c4566b 2022-05-19T06:30:47 [truetype, snft] Add service methods for `DeltaSetIdxMap` and `VarStore`. This will be needed for 'COLR' v1 variation support. * src/truetype/ttgxvar.h (GX_ItemVarData, GX_AxisCoords, GX_VarRegion, GX_VarItemStore, GX_DeltaSetIdxMap): Move structures to... * include/freetype/internal/ftmmtypes.h: ... this new file. * include/freetype/internal/service/svmm.h (MultiMasters): Include `ftmmtypes.h`. (FT_Var_Load_Delta_Set_Idx_Map_Func, FT_Var_Load_Item_Var_Store_Func, FT_Var_Get_Item_Delta_Func, FT_Var_Done_Item_Var_Store_Func, FT_Var_Done_Delta_Set_Idx_Map_Func): New function typedefs. (MultiMasters): Add them. (FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated. * src/cff/cffdrivr.c (cff_load_item_variation_store, cff_load_delta_set_index_mapping, cff_get_item_delta, cff_done_item_variation_store, cff_done_delta_set_index_map): New wrapper methods calling into mm service. (cff_service_multi_masters): Updated. * src/truetype/ttgxvar.c (ft_var_load_item_variation_store, ft_var_load_delta_set_index_mapping, ft_var_get_item_delta, ft_var_done_item_variation_store, ft_var_done_delta_set_index_map): Renamed to ... (tt_var_load_item_variation_store, tt_var_load_delta_set_index_mapping, tt_var_get_item_delta, tt_var_done_item_variation_store, tt_var_done_delta_set_index_map): ... this for consistency. Mark them as non-static. * src/truetype/ttgxvar.h: Add corresponding prototypes. * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated. * src/type1/t1driver.c (t1_service_multi_masters): Updated.
Georg Brandl 978eefee 2022-04-12T11:43:37 * src/cff/cffgload.c (cff_slot_load) [FT_CONFIG_OPTION_SVG]: Fix segfault. This can happen if the function is called with `size` being `NULL`. Fixes #1147.
Werner Lemberg 695d606a 2022-04-01T08:50:33 Whitespace.
Werner Lemberg d2c3bbcd 2022-03-19T19:31:25 [cff] Synchronize `cff_slot_load` with `TT_Load_Glyph`. * src/cff/cffgload.c (IS_DEFAULT_INSTANCE): New macro. (cff_slot_load): Use it.
Alexei Podtelezhnikov b34741c1 2022-01-27T22:55:34 Minor clean-ups. * src/base/ftrfork.c (raccess_make_file_name): Do not set error. * src/sfnt/sfdriver.c (get_win_string, get_apple_string): Ditto. * src/cff/cffobjs.c (cff_strcpy): Do not confuse about error. * src/psaux/psobjs.c (ps_table_done): Ditto. * src/truetype/ttgxvar.c (ft_var_readpacked*, ft_var_load_avar): Ditto.
Moazin Khatti 5cf01aa2 2021-12-25T19:46:46 [truetype, cff] Add code to load SVG document. * src/cff/cffgload.c (cff_slot_load): Add code to load SVG doc. * src/truetype/ttgload.c (TT_Load_Glyph): Add code to load SVG doc.
Werner Lemberg d0cfb4e1 2022-01-11T10:54:10 Update all copyright notices.
Werner Lemberg 238245cd 2021-11-16T22:07:28 Fix clang++ warnings. * src/*: Initialize some variables to NULL.
Werner Lemberg 80b13f57 2021-10-26T10:57:17 Formatting.
Ben Wagner b5e003f1 2021-10-21T09:48:38 [cff] Commit vstore data and regions on allocation. The vstore->regionCount and vstore->dataCount were read directly from the data. However, vstore->varRegionList and vstore->varData would still contain uninitialized entries with uninitialized pointers in the event of an error, leading to issues when attempting to clean up. Reportd as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40104 * src/cff/cffload.c (cff_vstore_load): Read the region and data counts into locals and update the vstore counts immediately after each entry becomes free-able.
Alexei Podtelezhnikov 22befeef 2021-10-07T22:41:56 Signedness revisions. This eliminates explicit casting by switching to unsigned fields. The revisions mostly impact the handling of CID fonts. * include/freetype/fttypes.h (FT_Data): Change to unsigned `length`. * include/freetype/t1tables.h (CID_FaceDictRec): Ditto for `sd_bytes`. (CID_FaceInfoRec): Ditto for `gd_bytes` and `gd_bytes`. * include/freetype/internal/tttypes.h (TT_LoaderRec): Ditto for `byte_len`. * src/cid/cidgload.c (cid_load_glyph): Updated. * src/cid/cidload.h (cid_get_offset): Update argument. * src/cid/cidload.c (cid_get_offset, cid_read_subrs, cid_face_open): Updated. * src/cff/cffgload.c (cff_get_glyph_data, cff_free_glyph_data): Updated. * src/psaux/psft.c (cf2_getT1SeacComponent): Updated. * src/truetype/ttgload.c (TT_Process_Composite_Glyph, load_truetype_glyph): Updated.
Alexei Podtelezhnikov a29e0200 2021-09-23T23:10:26 Use NULL for pointers only. * src/bdf/bdflib.c (*): Code changes. * include/freetype/freetype.h: Comments only. * src/cff/cffload.c, src/cff/cffobjs.c: Ditto. * src/winfonts/winfnt.c: Ditto.
Alexei Podtelezhnikov 71969d1e 2021-09-20T14:31:45 * src/cff/cffdrivr.c (cff_ps_get_font_{info,extra}): Use FT_QNEW.
Edwin Steiner 6e1ef98a 2021-09-16T23:08:46 [cff] Explicitly set StandardEncoding or ExpertEncoding offsets. Fixes #1097. * src/cff/cffload.c (cff_encoding_load): Set special offset values.
Alexei Podtelezhnikov 79d14cc2 2021-09-16T16:41:56 * src/cff/cffload.c (cff_fd_select_get): Remove casting.
Alexei Podtelezhnikov 801b7540 2021-09-14T22:55:50 Minor type adjustments. * src/cff/cffobjs.c (cff_face_init): Reduce casting. * src/truetype/ttobjs.c (tt_size_ready_bytecode): Ditto. * src/type1/t1load.c (T1_Set_MM_Design): Ditto.
Alexei Podtelezhnikov 731d0b68 2021-09-13T16:29:08 [cff, pshinter] Clean up unsigned counters. Loops with unsigned decrement can be reliably stopped when the counter wraps around after reaching zero. * src/cff/cffload.c (cff_charset_compute_cids): Use unsigned counter. * src/pshinter/pshalgo.c (psh_hint_table_activate_mask): Ditto. * src/pshinter/pshrec.c (ps_mask_table_merge): Ditto.
Alexei Podtelezhnikov 612925ff 2021-09-01T21:37:21 s/0/NULL/ where appropriate.
Werner Lemberg f11f3ed1 2021-08-18T06:54:34 [base] Fix ppem size overflow. Fixes #1086. * src/base/ftobjs.c (FT_Request_Metrics): Add return value. Check whether ppem values fit into unsigned short values. (FT_Request_Size): Updated. * include/freetype/internal/ftobjs.h: Updated. * src/cff/cffobjs.c (cff_size_request), src/cid/cidobjs.c (cid_size_request), src/truetype/ttdriver.c (tt_size_request), src/type1/t1objs.c (T1_Size_Request): Updated.
Werner Lemberg a50c39aa 2021-05-29T09:50:29 Fix compilation errors and (some) warnings for clang++. * src/autofit/afmodule.c (AF_GlyphHintsRec): Make it static. * src/cache/ftcache.c (FTC_Cache_NewNode), src/cache/ftcsbits.c (ftc_snode_compare): Remove semicolon. * src/cff/cffparse.c (cff_parser_run): Add `break` statement. * src/cid/cidload.c (cid_hex_to_binary): Add cast. * src/sdf/ftbsdf.c (CHECK_NEIGHBOR): Use `do {} while(0)` loop. (bsdf_init_distance_map, finalize_sdf, bsdf_raster_render): Add casts. * src/sdf/ftsdf.c (sdf_generate_bounding_box, sdf_generate_with_overlaps): Ditto. * src/sdf/ftsdfcommon.h (square_root): Ditto. * src/sdf/ftsdfrend.c (sdf_property_get, ft_sdf_render, ft_bsdf_render): Ditto. * src/sfnt/ttcolr.c (find_base_glyph_record, find_base_glyph_v1_record): Fix variable signedness. (read_color_line): Add cast. (read_paint): Add casts. Fix signedness issue. (tt_face_get_colorline_stops) Fix signedness issues. * src/sfnt/ttpost.c (load_format_20): Add casts. * src/truetype/ttsubpix.c (TWEAK_RULES, TWEAK_RULES_EXCEPTIONS): Remove final semicolons.
Alexei Podtelezhnikov 8150ed0d 2021-05-05T23:30:46 [cff,psaux] Avoid memory zeroing (contd.). * src/cff/cffload.c (cff_blend_doBlend, cff_blend_build_vector): Tweak allocation macros. * src/psaux/psarrst.c (cf2_arrstack_setNumElements): Ditto. * src/psaux/psstack.c (cf2_stack_init): Ditto.
Alexei Podtelezhnikov 8750e843 2021-04-26T17:21:51 [cff] Avoid some memory zeroing. * src/cff/cffparse.c (cff_parser_init): Tweak memory macro. * src/cff/cffload.c (cff_index_load_offsets, cff_index_get_pointers, cff_charset_load, cff_vstore_load): Ditto.
Alexei Podtelezhnikov c78f78fa 2021-04-24T22:38:48 * src/cff/cffload.c (cff_index_get_pointers): s/FT_QALLOC/FT_ALLOC/.
Alexei Podtelezhnikov ec9e5114 2021-04-23T14:03:03 [cff,type1,type42] s/FT_ALLOC/FT_QALLOC/ for initialized buffers. * src/cff/cffload.c (cff_index_get_pointers, cff_index_get_name): Do not zero out the buffer. * src/cff/cffdrivr.c (cff_ps_get_font_info): Ditto. * src/type1/t1load.c (parse_subrs, parse_charstrings, parse_blend_axis_types): Ditto. * src/type1/t1parse.c (T1_New_Parser, T1_Get_Private_Dict): Ditto. * src/type42/t42parse.c (t42_parser_init): Ditto.
Werner Lemberg d924a66a 2021-02-04T07:44:06 * src/*: Don't use more than one '\n' in `FT_TRACE` and `FT_ERROR`. This ensures good logging output, with all lines having a proper prefix (if requested). This is a continuation of a similar patch from 2020-12-02, which missed some locations.
Werner Lemberg b6e8a712 2021-01-17T07:18:48 Update all copyright notices.
Werner Lemberg a6adb256 2020-12-02T14:15:07 * src/*: Don't use more than one '\n' in `FT_TRACE` and `FT_ERROR`. This ensures good logging output, with all lines having a proper prefix (if requested).
Alexei Podtelezhnikov 5abd252a 2020-11-20T15:24:42 [cff,cid,type1] Demote old engine for lack of CFF2. * src/cff/cffobjs.c (cff_iriver_init): Always default to Adobe engine. * src/cid/cidobjs.c (cid_driver_init): Ditto. * src/type1/t1objs.c (T1_Driver_Init): Ditto.
Werner Lemberg 4f13a43a 2020-09-24T09:35:24 * src/cff/cffgload.c (cff_slot_load): Scale `vertBearingY`. Towards the end of the the function there is a call to `FT_Outline_Get_CBox` that retrieves the glyph bbox in scaled units. That sets `horiBearing{X,Y}` and `vertBearingX` but `vertBearingY` is left alone, and is not scaled. Patch from Eric Muller <emuller@amazon.com>.
Priyesh Kumar 53be1753 2020-07-28T07:33:40 Fix `-Wformat' compiler warnings. * src/*: Fix format specifiers. * builds/unix/ftsystem.c (FT_Stream_Open): Ditto.
Werner Lemberg 96fb73ef 2020-07-07T16:58:14 Fix clang warnings. * include/freetype/internal/autohint.h (FT_DECLARE_AUTOHINTER_INTERFACE): New macro. * src/autofit/afmodule.h: Use it to declare `af_autofitter_interface'. * include/freetype/internal/ftobjs.h (FT_DECLARE_GLYPH): New macro. * src/base/ftbase.h: Use it to declare `ft_bitmap_glyph_class' and `ft_outline_glyph_class'. * src/base/ftglyph.c: Include `ftbase.h'. * src/cff/cffparse.c (cff_parser_run): Fix type of `t2_size'. * src/pcf/pcfdrivr.c (pcf_cmap_char_next): Fix type of `result'. * src/psaux/psauxmod.c (psaux_module_class): Use `FT_DEFINE_MODULE'. * src/psaux/psauxmod.h: Declare `afm_parser_funcs', `t1_cmap_classes', `cff_decoder_funcs', and `psaux_module_class'. * src/pshinter/pshmod.c: Include `pshmod.h'. * src/sfnt/sfwoff2.c (ROUND4, WRITE_SHORT): Fix implicit sign conversion. (compute_ULong_sum): Fix return type. Fix implicit sign conversion. (store_points): Fix type of `last_flag', `repeat_count', and `flag'. Use casts to avoid warnings. (reconstruct_glyf): Fix implicit sign conversion. Use cast to avoid warning. (get_x_mins): Fix implicit sign conversion. * src/sfnt/ttcmap.c: Undef `TTCMAPCITEM'. * src/sfnt/ttcmap.h: Define `TTCMAPCITEM' and include `ttcmapc.h' to declare cmap classes. * src/smooth/ftsmooth.c (ft_smooth_overlap_spans): Use cast. * src/truetype/ttinterp.c (Ins_MIAP): Fix typo.
Sebastian Rasmussen a4434747 2020-06-20T05:31:34 [cff] Fix handling of `style_name == NULL' (#58630). * src/cff/cffobjs.c (cff_face_init): If a call to `cff_strcpy' fails by returning NULL in `cff_face_init', `remove_style' is still called. This means that the NULL pointer is dereferenced, causing a crash.
Sebastian Rasmussen f594ffdc 2020-06-19T18:55:49 [cff] Fix another two memory leaks (#58629). * src/cff/cffobjs.c (cff_size_init): If a call to `funcs->create' fails to allocate one of the `internal->subfont' variables, make sure to free `internal->topfont' and any successfully allocated subfonts.
Sebastian Rasmussen 8ed5a247 2020-06-19T10:35:57 [cff, cid] Fix segfaults in case of error (#58621). * src/cff/cffobjs.c (cff_slot_done), src/cid/cidobjs.c (cid_slot_done): If `ft_glyphslot_init' fails to allocate `internal', then the class' `done_slot' callback (called by `ft_glyphslot_done') must not dereference the pointer to `internal'.
Sebastian Rasmussen 575b78d9 2020-06-18T15:12:03 [cff] Fix memory leak (#58610). * src/cff/cffobjs.c (cff_size_init): When the call to `funcs->create' fails, make sure to free `internal'.
Werner Lemberg 74cebeae 2020-06-19T03:41:12 * src/cff/cffload.c (cff_index_get_pointers): Rename `t' to `tbl'.
Sebastian Rasmussen c8cd139c 2020-06-18T13:46:37 [cff] Free table upon error allocating other data (#58609). * src/cff/cffload.c (cff_index_get_pointers): When new_bytes fails to allocate, make sure to free the table. Do the same for both allocations if there is a later error.
Werner Lemberg 16586859 2020-06-13T21:15:45 Remove redundant inclusion of `ft2build.h'. * */*: Remove `#include <ft2build.h>' where possible. * include/freetype/freetype.h: Remove cpp error about missing inclusion of `ft2build.h'.
David Turner e1339133 2020-06-08T13:31:55 Make macros for header file names optional. We no longer have to take care of the 8.3 file name limit; this allows us (a) to introduce longer, meaningful file names, and (b) to avoid macro names in `#include' lines altogether since some compilers (most notably Visual C++) doesn't support this properly. */*: Replace #include FOO_H with #include <freetype/foo.h> or something similar. Also update the documentation.
David Turner 4eee1340 2020-05-18T09:16:12 Remove Jamfile files from the tree. These have not been used in a very, very long time, so better remove them. A corresponding patch will be submitted to the `freetype2-demos' repository. * src/Jamfile, src/*/Jamfile, Jamrules: Delete.
Werner Lemberg e5038be7 2020-01-19T17:05:19 Update all copyright notices.
Dominik Röttsches 4270e9f3 2019-11-27T11:38:45 Avoid more nullptr offset UBSan warnings (#57316). * src/base/ftoutln.c (FT_Outline_Transform): Bail on empty points. * src/cff/cffload.c (cff_subfont_load): Use `FT_OFFSET'. * src/psaux/psft.c (cf2_decoder_parse_substrings): Early out if `charstring_base' or `charstring_len' are null. * src/sfnt/ttload.c (tt_face_load_name): Use `FT_OFFSET'.
John Tytgat 1e9229f0 2019-10-09T15:37:19 [cff] Fix FT_FACE_FLAG_GLYPH_NAMES for CFF2 based fonts (#57023). * src/cff/cffobjs.c (cff_face_init): Don't set FT_FACE_FLAG_GLYPH_NAMES for CFF2 based fonts.