Commit Graph

5755 Commits

Author SHA1 Message Date
Werner Lemberg 6342da9a8d [sfnt] Don't add instances to non-variation fonts.
* src/sfnt/sfobjs.c (sfnt_init_face): Fix it.
2017-03-20 05:36:41 +01:00
Werner Lemberg dd64a6227c * src/cff/cffgload.c (cff_builder_init): Add safety guard (#50578). 2017-03-20 05:34:02 +01:00
Werner Lemberg 7aeee3c50f Introduce FT_UINT_TO_POINTER macro (#50560).
We have to make a separate case for Windows 64's LLP64 data model.

* builds/unix/ftconfig.in, builds/vms/ftconfig.h,
include/freetype/config/ftconfig.h (FT_UINT_TO_POINTER): New macro.

* src/truetype/ttgload.c (load_truetype_glyph): Use it.
2017-03-18 17:30:42 +01:00
Werner Lemberg 3e79254ae7 * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#50573).
The problematic font that exceeds the old limit is Lato-Regular,
version 2.007, containing bytecode generated by a buggy version of
ttfautohint.
2017-03-18 10:06:15 +01:00
Werner Lemberg 13fa85a246 [truetype] Another limitation for bytecode loop count maximum.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=900

* src/truetype/ttinterp.c (TT_RunIns): Limit `loopcall_counter_max'
by number of glyphs also.
2017-03-18 09:42:58 +01:00
Werner Lemberg ab840e6a4c [ftfuzzer] Minor improvement.
* src/tools/ftfuzzer/ftfuzzer.cc: Don't set intermediate axis if
bitmap strikes are active.
2017-03-18 08:50:42 +01:00
Werner Lemberg 9931175dcc Improve `make multi'.
* src/autofit/aflatin2.c: Guard file with FT_OPTION_AUTOFIT2.

* src/base/ftmac.c: Guard more parts of the file with FT_MACINTOSH.

* src/psaux/afmparse.c: Guard file with T1_CONFIG_OPTION_NO_AFM.

* src/sfnt/pngshim.c: Guard file with
TT_CONFIG_OPTION_EMBEDDED_BITMAPS also.

* src/sfnt/ttbdf.c: Avoid empty source file.
* src/sfnt/ttpost.c: Guard file with
TT_CONFIG_OPTION_POSTSCRIPT_NAMES.
* src/sfnt/ttsbit.c: Guard file with
TT_CONFIG_OPTION_EMBEDDED_BITMAPS.

* src/truetype/ttgxvar.c, src/truetype/ttinterp.c: Avoid empty
source file.

* src/truetype/ttsubpix.c: Guard file with
TT_USE_BYTECODE_INTERPRETER also.

* src/type1/t1afm.c: Guard file with T1_CONFIG_OPTION_NO_AFM.

* src/autofit/autofit.c, src/base/ftbase.c, src/cache/ftcache.c,
src/cff/cff.c, src/cid/type1cid.c, src/gxvalid/gxvalid.c,
src/pcf/pcf.c, src/pfr/pfr.c, src/psaux/psaux.c,
src/pshinter/pshinter.c, src/psnames/psnames.c, src/raster/raster.c,
src/sfnt/sfnt.c, src/smooth/smooth.c, src/truetype/truetype.c,
src/type1/type1.c, src/type42/type42.c: Remove conditionals; sort
entries.
2017-03-18 07:06:49 +01:00
Werner Lemberg d5bfa053f5 Fixes for conditional compilation.
* src/autofit/afcjk.c, src/autofit/afindic.c: Include `afcjk.h'
earlier.

* src/sfnt/sfobjs.c (sfnt_init_face): Put `memory' variable into
TT_CONFIG_OPTION_GX_VAR_SUPPORT block.
(sfnt_done_face): Protect some code with
TT_CONFIG_OPTION_GX_VAR_SUPPORT.

* src/sfnt/ttsbit.c (tt_face_load_sbix_image): Remove compiler
warning.

* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Put `tmp' variable
into TT_USE_BYTECODE_INTERPRETER block.

(tt_loader_init): Put `error' variable into
TT_USE_BYTECODE_INTERPRETER block.
2017-03-17 21:47:54 +01:00
Werner Lemberg e5595784f4 Fix preprocessor warning.
* devel/ftoption.h, include/freetype/config/ftoption.h: Test whether
TT_CONFIG_OPTION_SUBPIXEL_HINTING is defined before checking its
value.
2017-03-17 21:34:08 +01:00
Werner Lemberg bffb7fe90b `make multi' fixes; compiler warnings.
* src/base/ftsnames.c: Include FT_INTERNAL_DEBUG_H.

* src/cff/cffobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
FT_MULTIPLE_MASTERS_H and FT_SERVICE_MULTIPLE_MASTERS_H.

* src/sfnt/sfdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
FT_MULTIPLE_MASTERS_H and FT_SERVICE_MULTIPLE_MASTERS_H.
(get_win_string, get_apple_string): Initialize `result'.
2017-03-17 07:52:30 +01:00
Dave Arnold fdbef538f4 [cff] Fix potential bugs in default NDV for CFF2.
* src/cff/cffload.c (cff_blend_build_vector): Explicitly build blend
vector when `lenNDV' is zero; don't rely on zero-init.
Save `lenNDV' as part of cache key even when `lenNDV' is zero.
2017-03-17 07:28:11 +01:00
Dave Arnold 0bf95b585e [cff] Fix CFF2 stack allocation.
* src/cff/cffparse.c (cff_parser_init) add 1 for operator.
2017-03-17 07:22:55 +01:00
Werner Lemberg d9ff6f20ad * src/truetype/ttgxvar.c (tt_done_blend): Free `vvar_table'.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=883
2017-03-16 20:20:51 +01:00
Werner Lemberg 981c23b75e Remove clang compiler warnings (#50548).
* include/freetype/internal/tttypes.h (TT_FaceRec): Make
`var_postscript_prefix_len' unsigned.

* src/autofit/afwarp.c (af_warper_compute_line_best): Remove
redundant assignment.

* src/cff/cffload.c (cff_subfont_load): Add casts.

* src/cff/cffparse.c (cff_parse_blend): Remove redundant assignment.

* src/sfnt/sfdriver.c (fmix32, murmur_hash_3_128): Add `static'
keyword.
Add casts.
(fixed2float): Add cast.
(sfnt_get_var_ps_name): Make `p' always initialized.
Add casts.

* src/truetype/ttgxvar.c (TT_Get_MM_Var): Add casts.
2017-03-15 11:35:26 +01:00
Werner Lemberg 3f92048ab1 [ftfuzzer] Limit number of tested faces and instances.
This is inspired by the discussion in and analysis of

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=859

* src/tools/ftfuzzer/ftfuzzer.cc (LLVMFuzzerTestOneInput): Use only
up to 20 face indices.
Use only up to 20 instance indices.
2017-03-15 09:18:22 +01:00
Werner Lemberg f87269c35c * src/tools/ftfuzzer/ftfuzzer.cc: Improve readability; formatting. 2017-03-15 08:03:16 +01:00
Werner Lemberg 9357ef80ff Typo: s/stroke/strike/. 2017-03-15 07:56:22 +01:00
Werner Lemberg 34010f7c47 [sfnt] Implement PS names for font instances [3/3].
Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT.

* include/freetype/internal/tttypes.h (TT_FaceRec): New fields
`var_postscript_prefix' and `var_postscript_prefix_len'.

* src/sfnt/sfdriver.c: Include FT_TRUETYPE_IDS_H.
(sfnt_is_alphanumeric): New wrapperfunction for `ft_isalnum'.
(get_win_string, get_apple_string): Remove `const' from return
value.
(MAX_VALUE_DESCRIPTOR_LEN, MAX_PS_NAME_LEN): New macros.
(hexdigits): New array.
(sfnt_get_var_ps_name): New function, implementing Adobe TechNote
5902 to construct a PS name for a variation font instance.
(sfnt_get_ps_name): Call `sfnt_get_var_ps_name' for font instances.

* src/sfnt/sfobjs.c (sfnt_done_face): Updated.

* src/truetype/ttgxvar.c (tt_set_mm_blend): Reset
`face->postscript_name' to trigger recalculation for new instance
parameters.
2017-03-14 21:50:22 +01:00
Werner Lemberg 4fd9cc73e6 [sfnt] Implement PS names for font instances [2/3].
* src/sfnt/sfdriver.c (fix2float) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]:
New function to find the shortest representation of a 16.16
fractional number.
2017-03-14 19:40:50 +01:00
Werner Lemberg 4a32dce92a [sfnt] Implement PS names for font instances [1/3].
Add 128bit MurmurHash 3 function.

Everything is guarded with TT_CONFIG_OPTION_GX_VAR_SUPPORT.

* src/sfnt/sfdriver.c (ROTL32): New macro.
(fmix32, murmur_hash_3_128): New functions.
2017-03-14 19:32:12 +01:00
Werner Lemberg 447a0b6263 [truetype] Ignore invalid MVAR tags.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=838

* src/truetype/ttgxvar.c (ft_var_load_mvar): Ignore value and emit
warning for invalid tags.
(tt_apply_mvar): Ignore invalid tags.
2017-03-13 07:42:34 +01:00
Werner Lemberg 5eb0fd5e97 [truetype] Store and use design coordinates also.
* include/freetype/internal/services/svmm.h (FT_Get_Var_Blend_Func):
Add `normalizedcoords' argument.

* src/truetype/ttgxvar.h (GX_BlendRec): Add `coords' field to store
the design coordinates of the current instance.
Updated.

* src/truetype/ttgxvar.c (TT_Set_MM_Blend): Move functionality to...
(tt_set_mm_blend): ... New function.
Convert data in `normalizedcoords' array to `coords' array on
demand.
(TT_Set_Var_Design): Store argument data in `coords' array.
(TT_Get_Var_Design): Get data from `coords' array.
(tt_get_var_blend): Updated.
(tt_done_blend): Updated.

* src/cff/cffload.c, src/cff/cffload.h (cff_get_var_blend): Updated.

* src/cff/cf2ft.c (cf2_getNormalizedVector): Updated.

* src/cff/cffobjs.c (cff_face_init): Updated.
2017-03-12 20:46:56 +01:00
Werner Lemberg 8dd9e9675d Document `GX_BlendRec'. 2017-03-12 10:47:20 +01:00
Werner Lemberg 4a62922bf8 src/truetype/ttgxvar.[ch]: s/avar_checked/avar_loaded/. 2017-03-12 10:19:53 +01:00
Werner Lemberg 7bbb91fbf4 [sfnt] Another fix for buggy variation fonts.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759

* src/sfnt/sfobjs.c (sfnt_init_face): While setting number of
instances to zero for `CFF' fonts table, ensure that there is no
`CFF2' present also (which gets priority).
2017-03-08 15:10:19 +01:00
Alexei Podtelezhnikov 7d7aae1de3 Typos. 2017-03-07 22:21:26 -05:00
Werner Lemberg 7793097442 [sfnt] Improve handling for buggy variation fonts.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=738

* src/sfnt/sfobjs.c (sfnt_init_face): While setting number of
instances to zero for `CFF' fonts table, ensure that there is no `glyf'
present also (which gets priority).
2017-03-07 17:27:58 +01:00
Werner Lemberg 27fee7f8c6 [sfnt, truetype] Always provide default instance.
As documented in the OpenType specification, an entry for the
default instance may be omitted in the named instance table.  In
particular this means that even if there is no named instance table
in the font we actually do have a named instance, namely the default
instance.

For consistency, we always want the default instance in our list of
named instances.  If it is missing, we try to synthesize it.

* src/sfnt/sfobjs.c (sfnt_init_face): Check whether the default
instance is in the table of named instances.  Otherwise adjust
number of instances.

* src/truetype/ttgxvar.c: Include FT_TRUETYPE_IDS_H.
(TT_Get_MM_Var): Use `face->root.style_flags' as the number of named
instances.
Sythesize a named instance entry if necessary.
(tt_done_blend): Free `normalized_stylecoords'.
2017-03-06 20:45:44 +01:00
Werner Lemberg f27992f295 Minor documentation fixes. 2017-03-06 20:45:08 +01:00
Werner Lemberg b1a98f9e0a Minor. 2017-03-06 20:29:26 +01:00
Werner Lemberg c1b000da00 [sfnt] Remove redundant code.
* src/sfnt/sfobjs.c (sfnt_init_face): Remove second test for
`num_instances', which will always succeed.
2017-03-05 20:23:35 +01:00
Werner Lemberg 0c7fb43d05 [sfnt] Add `get_name_id' service.
* include/freetype/internal/sfnt.h (TT_Get_Name_ID_Func): New
typedef.
(SFNT_Interface): Add `get_name_id' field.
(FT_DEFINE_SFNT_INTERFACE): Updated.

* src/sfnt/sfdriver.c (search_name_id): Rename to...
(sfnt_get_name_id): ... this.
(sfnt_get_ps_name, sfnt_interface): Udpated.
2017-03-05 19:06:41 +01:00
Werner Lemberg 99fb3c3ab8 Comment updates. 2017-03-05 11:32:41 +01:00
Werner Lemberg 588e38e070 [truetype] Make `TT_Set_MM_Blend' set named instance index.
* src/truetype/ttgxvar.h (GX_Blend): New array
`normalized_stylecoords'.

* src/truetype/ttgxvar.c (TT_Get_MM_Var): Allocate and fill
`normalized_stylecoords'.
(TT_Set_MM_Blend): Check instance tuple and adjust `face_index'
accordingly.
2017-03-04 11:04:24 +01:00
Werner Lemberg 4717696c12 [truetype] Split off designer/normalized conversion routines.
* src/truetype/ttgxvar.c (TT_Set_Var_Design): Split off conversion
code designer->normalized coordinates to...
(ft_var_to_normalized): ... New function.
(TT_Get_Var_Design): Split off conversion code normalized->designer
coordinates to...
(ft_var_to_design): ... New function.
2017-03-02 21:42:14 +01:00
Werner Lemberg b553fcb514 [sfnt] Further generalize `sfnt_get_ps_name'; report invalid data.
* src/sfnt/sfdriver.c (sfnt_ps_map): New array.
(sfnt_is_postscript): New function.
(char_type_func): New typedef.
(get_win_string, get_apple_string): Add argument to specify
character checking function.
Add argument whether argument checking failures should be reported.
Update callers.
(search_name_id): Fix return value.
2017-02-28 15:27:43 +01:00
Werner Lemberg b653a23079 [sfnt] Split off another bit of `sfnt_get_ps_name'.
* src/sfnt/sfdriver.c (sfnt_get_ps_name): Split off some
functionality into...
(search_name_id): ... New function.
2017-02-28 15:27:43 +01:00
Werner Lemberg c1abd6aa47 [sfnt] Modularize `sfnt_get_ps_name'.
* src/sfnt/sfdriver.c (sfnt_get_ps_name): Split off some
functionality into...
(IS_WIN, IS_APPLE): ... New macros.
(get_win_string, get_apple_string): ... New functions.
2017-02-28 15:27:43 +01:00
Werner Lemberg 01f315f076 [truetype] Minor improvement.
* src/truetype/ttgload.c (TT_Process_Simple_Glyph,
load_truetype_glyph): Remove unnecessary tests.
2017-02-28 15:27:43 +01:00
Alexei Podtelezhnikov d4b6a2053f Typo. 2017-02-24 21:54:01 -05:00
Werner Lemberg f0cee1a22c * include/freetype/internal/tttypes.h (TT_Face): s/isCFF2/is_cff2/.
For orthogonality with other structure field names.

Update all users.
2017-02-23 08:23:39 +01:00
Alexei Podtelezhnikov 761d9e418b * src/smooth/ftgrays.c (gray_hline): Improve code. 2017-02-22 22:41:36 -05:00
Alexei Podtelezhnikov 73a7ce3d00 * include/freetype/freetype.h (FT_Face_Properties): Fix bad example, typo. 2017-02-21 21:43:37 -05:00
Dominik Röttsches b31053476c Fix some `ttnameid.h' entries (#50313).
* include/freetype/ttnameid.h:
s/TT_MS_LANGID_SPANISH_INTERNATIONAL_SORT/TT_MS_LANGID_SPANISH_SPAIN_INTERNATIONAL_SORT/,
s/TT_MS_LANGID_MONGOLIAN_MONGOLIA_MONGOLIA/TT_MS_LANGID_MONGOLIAN_MONGOLIA_MONGOLIAN/.
2017-02-20 12:29:59 +01:00
Werner Lemberg 9cc476a217 Update `CHANGES' file. 2017-02-20 09:58:43 +01:00
Werner Lemberg e706798d43 [cff] Finish support for `random' operator.
* src/cff/cfftypes.h (CFF_SubFontRec): Add `random' field.

* src/cff/cffobjs.c: Updated.
(cff_driver_init): Initialize random seed value.

* src/cff/cffload.c (cff_random): New function.
(cff_subfont_load): Add `face' argument.
Update all callers.
Initialize random number generator with a proper seed value.
(cff_font_load): Add `face' argument.
Update all callers.

* src/cff/cffload.h: Updated.

* src/cff/cf2intrp.c (CF2_FIXME): Removed.
(cf2_interpT2CharString) <cf2_escRANDOM>: Implement opcode.

* src/cff/cffgload.c (cff_decoder_parse_charstrings): Don't
initialize random seed value.
<cff_op_random>: Use new random seed framework.
2017-02-20 09:15:13 +01:00
Werner Lemberg 156b30b1aa [cff] Sanitize `initialRandomSeed'.
* src/cff/cffload.c (cff_load_private_dict): Make
`initial_random_seed' value always positive.
2017-02-20 09:06:22 +01:00
Werner Lemberg 753e1131ee [cff] Introduce `random-seed' property (2/2).
* src/base/ftobjs.c: Include `FT_CFF_DRIVER_H'.
(open_face): Initialize `face->internal->random_seed'.
(FT_Face_Properties): Handle `FT_PARAM_TAG_RANDOM_SEED'.

* src/cff/cffdrivr.c (cff_property_set): Handle `random-seed'
property.
2017-02-20 09:01:14 +01:00
Werner Lemberg ca1486c32a [cff] Introduce `random-seed' property (1/2).
We need this for support of the `random' operator.

* include/freetype/ftcffdrv.h (FT_PARAM_TAG_RANDOM_SEED): New macro.

* include/freetype/internal/ftobjs.h (FT_Face_InternalRec): New
field `random_seed'.

* src/cff/cffobjs.h (CFF_DriverRec): New field `random_seed'.
2017-02-20 08:55:26 +01:00
Werner Lemberg d22f5ec563 Formatting. 2017-02-18 10:43:10 +01:00