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52f2a008
|
2021-04-01T09:33:47
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|
Update TT_New_Context documentation
In commit 531d463aed365b
[truetype] Allocate TT_ExecContext in TT_Size instead of TT_Driver.
the `TT_ExecContext` was moved from being on the driver to being on the size
to make it easier to use FreeType in a multi-threaded environment. However,
the documentation for `TT_New_Context` was not updated and still reflects
the old behavior and parameter list.
This change updates `TT_New_Context` documentation to reflect the current
parameters and usage.
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369d8be9
|
2021-03-31T22:31:44
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[truetype] Prevent glyph program state from persisting.
`FDEF` instructions are specified as allowed only in 'prep' or
'fpgm'. FreeType has attempted to prevent their use in the glyph
program, but they were still allowed in glyph programs if defined in
a function defined in 'prep' or 'fpgm' and called from the glyph
program.
Similarly, `IDEF` instructions are specified not to be able to
modify any existing instruction. FreeType has attempted to prevent
their use in the glyph program, but they can still be used like
`FDEF`.
This change stores the initial bytecode range type and disallows the
use of `FDEF` and `IDEF` while running the glyph program.
Most other state is copied from the `TT_Size` into the execution
context. However, it is possible for a glyph program to use `WS` to
write to the storage area or `WCVTP`, `WCVTF`, and `DELTAC[123]` to
write to the control value table.
Allowing any change to the global state from the glyph program is
problematic as the outlines of any given glyph may change based on
the order the glyphs are loaded or even how many times they are
loaded. There exist fonts that write to the storage area or the
control value table in the glyph program, so their use should not be
an error.
Possible solutions to using these in the glyph program are
* ignore the writes;
* value-level copy on write, discard modified values when finished;
* array-level copy on write, discard the copy when finished;
* array-level copy up-front.
Ignoring the writes may break otherwise good uses. A full copy
up-front was implemented, but was quite heavy as even well behaved
fonts required a full copy and the memory management that goes along
with it. Value-level copy on write could use less memory but
requires a great deal more record keeping and complexity. This
change implements array-level copy on write. If any attempt is made
to write to the control value table or the storage area when the
initial bytecode range was in a glyph program, the relevant array
will be copied to a designated storage area and the copy used for
the rest of the glyph program's execution.
* src/truetype/ttinterp.h (TT_ExecContextRec): New fields
`iniRange`, `glyfCvtSize`, `glyfCvt`, `origCvt`, `glyfStoreSize`,
`glyfStorage`, and `origStorage`.
* src/truetype/ttinterp.c (Modify_CVT_Check): New function to handle
`exc->glyfCvt`.
(Write_CVT, Write_CVT_Stretched, Move_CVT, Move_CVT_Stretched): Use
it.
(Ins_WS): Handle `exc->glyfStorage`.
(Ins_FDEF, Ins_IDEF): Updated.
(TT_RunIns): Updated.
(TT_Done_Context): Free 'glyf' CVT working and storage area.
(TT_Load_Context): Fix/add casts.
* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Fix cast.
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2149b51f
|
2021-03-13T19:08:09
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|
Handle various VC++ compiler warnings.
Fixes #1039.
* src/base/ftstroke.c (ft_stroker_inside, ft_stroker_outside):
Initialize `sigma`.
* src/sdf/ftsdf.c (sdf_generate_with_overlaps): Exit immediately if
function arguments are invalid.
* src/sdf/ftsdfrend.c (sdf_property_set) <"overlaps">: Fix cast.
* src/sfnt/sfwoff2.c (woff2_decompress)
[!FT_CONFIG_OPTION_USE_BROTLI]: Use `FT_UNUSED`.
* src/truetype/ttgxvar.c (TT_Get_MM_Var): Initialize `fvar_head`.
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d924a66a
|
2021-02-04T07:44:06
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|
* 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.
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b6e8a712
|
2021-01-17T07:18:48
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Update all copyright notices.
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c6ff2556
|
2020-12-26T10:50:21
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|
[sdf] Use 'counter-clockwise', not 'anti-clockwise'.
We prefer US nomenclature.
* src/sdf/ftsdf.c (SDF_Contour_Orientation):
s/SDF_ORIENTATION-ACW/SDF_ORIENTATION_CCW/.
Update all users.
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f6be9276
|
2020-12-16T06:03:10
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|
[truetype] Fix incremental metrics (#59503).
* src/truetype/ttgload.c (tt_get_metrics, load_truetype_glyph):
Previously, the code would populate the phantom points before
calling the `get_glyph_metrics` callback. For formats like PCL XL
format 1, class 2 downloaded fonts (where metrics are removed from
the TTF header), this causes problems when the hinting program uses
the phantom points (misplaced and distorted glyphs) due to the
metrics being unset (all zeros).
(tt_get_metrics_incr_overrides): Renamed to...
(tt_get_metrics_incremental): ... this. Updated caller
* include/freetype/ftincrem.h: Update the documentation to make it
clearer that `get_glyph_metrics` is to retrieve metrics from a
non-standard source, but *not* for the purpose of imposing custom
metrics.
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272ae5ee
|
2020-12-07T10:29:24
|
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* src/*: More fixes for using a '\n' in `FT_TRACE` and `FT_ERROR`.
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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).
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6d9e6b21
|
2020-08-28T09:56:38
|
|
* src/*: Fix `-Wformat` warnings.
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|
1286f58c
|
2020-11-20T14:54:35
|
|
Downgrade property tracing.
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804e625d
|
2020-10-28T13:34:52
|
|
[truetype] Minor update to forthcoming OpenType 1.8.4 standard.
* src/truetype/ttgxvar.c (ft_var_load_item_variation_store): Limit
size of `regionCount`.
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600d59e3
|
2020-09-02T15:48:03
|
|
[truetype] Reduce Infinality footprint (cont'd).
* src/truetype/ttinterp.c (Ins_DELTAP): Shrink variable scope.
(Ins_SHPIX, Ins_MIRP): Revise if-logic.
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51a5e338
|
2020-09-02T00:02:28
|
|
[truetype] Reduce Infinality footprint.
* src/truetype/ttinterp.c (Ins_SHPIX, Ins_MSIRP, Ins_MIAP, Ins_MDRP,
Ins_MIRP): Shrink variable scopes and consolidate ifdefs.
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e6c7e4b4
|
2020-09-01T21:49:52
|
|
[truetype] Refactor compensation color.
* src/truetype/ttinterp.h (TT_Round_Func): Change the last argument.
* src/truetype/ttinterp.c (Ins_ROUND, Ins_NROUND, Ins_MDAP, Ins_MIAP,
Ins_MDRP, Ins_MIRP): Move compensation retrieval from here...
(Round_*): ... to here.
* src/truetype/ttobjs.c (tt_size_init_bytecode): Reserve zero
compensation at color index 3.
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cdc009c2
|
2020-08-22T13:30:11
|
|
* src/truetype/ttgload.c (TT_Get_VMetrics): Add tracing message.
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|
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f9f6adb6
|
2020-08-05T08:24:15
|
|
[truetype] Retain OVERLAP_SIMPLE and OVERLAP_COMPOUND.
For glyphs with OVERLAP_SIMPLE or OVERLAP_COMPOUND, set
FT_OUTLINE_OVERLAP to render them with direct oversampling, which
mitigates artifacts (see 3bb512bc9f62).
* include/freetype/ftimage.h (FT_OUTLINE_OVERLAP): Redefine to rhyme
with OVERLAP_SIMPLE.
* src/base/ftgloadr.c (FT_GlyphLoader_Rewind): Reset outline flags.
* src/truetype/ttgload.c
(TT_Load_Simple_Glyph): Retain OVERLAP_SIMPLE.
(load_truetype_glyph): Retain OVERLAP_COMPOUND.
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3a1f4b7a
|
2020-08-04T22:17:05
|
|
* src/truetype/ttgload.c (TT_Load_Glyph): More tracing.
|
|
|
53be1753
|
2020-07-28T07:33:40
|
|
Fix `-Wformat' compiler warnings.
* src/*: Fix format specifiers.
* builds/unix/ftsystem.c (FT_Stream_Open): Ditto.
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|
|
8cfc41ae
|
2020-07-25T12:23:22
|
|
Fix `-Wformat' compiler warnings.
Problem reported by Priyesh kumar <priyeshkkumar@gmail.com>
* src/base/ftoutln.c (FT_Outline_Decompose): Fix number of arguments
to tracing macro.
* src/bdf/bdfdrivr.c (bdf_cmap_char_next, bdf_get_bdf_property):
Ditto.
* src/cache/ftcbasic.c (ftc_basic_family_get_count): Ditto.
Reformulate message.
* src/pcf/pcfdrivr.c (pcf_get_bdf_property): Ditto.
* src/sfnt/sfwoff2.c (woff2_open_font): Ditto.
Trace table offset, too.
* src/truetype/ttgxvar.c (ft_var_apply_tuple): Ditto.
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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.
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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'.
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|
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.
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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.
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|
a45da253
|
2020-05-08T10:59:37
|
|
* src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#58319).
The font that exceeds the old limit is Icono Regular, version
1.00000.
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|
11975fe9
|
2020-02-29T20:18:00
|
|
Fix state of `FT_Face' for buggy `gvar' tables (#57923).
By resetting the blend as implemented with this commit fonts with
invalid `gvar' tables may keep calling into `ft_var_load_gvar' from
`tt_set_mm_blend' and failing, but the font was invalid anyway and
we want to keep seeing the failure in `tt_set_mm_blend'.
* src/truetype/ttgxvar.c (ft_var_load_gvar): Calculate length of
offset array once.
Allocate arrays after `FT_FRAME_ENTER' (extra check before
allocating and avoid needing to free array later if error entering
frame).
Always call `FT_FRAME_EXIT'.
Consistently set counts immediately after array initialized.
Reset the blend (particularly `blend->glyphoffsets') on failure.
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216e0776
|
2020-02-28T07:43:00
|
|
[truetype] Add better checks for loading `gvar' table (#57905).
* src/truetype/ttgxvar.c (ft_var_load_gvar): Delay settings of any
`blend->xxxcount' values until the corresponding data has been
checked.
Also do some sanitizing to avoid a too early exit.
(TT_Vary_Apply_Glyph_Deltas): Improve tracing message.
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|
|
4a19a53d
|
2020-02-04T13:37:19
|
|
* src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#57732).
The font that exceeds the old limit is Constantine, version 1.001.
|
|
|
e5038be7
|
2020-01-19T17:05:19
|
|
Update all copyright notices.
|
|
10d8de75
|
2019-12-30T11:22:04
|
|
[truetype] Fix UBSan warning on offset to nullptr (#57501).
* src/truetype/ttinterp.c (Ins_CALL): Fail if `exc->FDefs' is null.
|
|
|
8cee1dde
|
2019-12-17T14:12:38
|
|
Fix more UBSan warnings on adding offset to nullptr (#57432).
* src/truetype/ttinterp.c (Ins_LOOPCALL), src/psaux/psft.c
(cf2_initLocalRegionBuffer): Use `FT_OFFSET'.
|
|
|
7e1b39f6
|
2019-12-16T11:07:58
|
|
[truetype] Fix UBSan warnings on adding offsets to nullptr.
Reported as
https://bugs.chromium.org/p/chromium/issues/detail?id=1032152
* src/truetype/ttinterp.c (Ins_FDEF, Ins_IDEF): Use `FT_OFFSET'.
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|
|
0c14a3ad
|
2019-12-14T00:04:01
|
|
[truetype] Fix integer overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19305
* src/truetype/ttinterp.c (Ins_MIRP): Use `ADD_LONG'.
|
|
|
dfc9a049
|
2019-12-05T08:44:30
|
|
* src/truetype/ttinterp.c (TT_RunIns): Use `FT_OFFSET'.
Reported as
https://bugs.chromium.org/p/chromium/issues/detail?id=1030614
|
|
|
551bd3a9
|
2019-12-03T11:52:48
|
|
More nullptr offset UBSan warnings (#57331, #57347).
* src/autofit/afcjk.c (af_cjk_hints_compute_segments),
src/psaux/psft.c (cf2_getSeacComponent), src/truetype/ttinterp.c
(Ins_UNKNOWN): Use `FT_OFFSET'.
|
|
|
9df460b6
|
2019-11-23T11:09:40
|
|
[truetype] Avoid sanitizer warning (#57289).
* src/truetype/ttpload.c (tt_face_get_device_metrics): Use
`FT_OFFSET'.
|
|
c67b9a1c
|
2019-11-23T11:01:18
|
|
[truetype] Fix integer overflow (#57287).
* src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'.
|
|
|
59415658
|
2019-08-27T14:07:14
|
|
[truetype] Prevent crash in `TT_Set_Named_Instance' (#56813).
* src/truetype/ttgxvar.c (TT_Set_Named_Instance): Fix error
handling.
|
|
|
7d1d3b9a
|
2019-08-26T09:08:56
|
|
[type1] Fix `FT_Get_Var_Axis_Flags' (#56804).
* src/type1/t1load.c (T1_Get_MM_Var): Allocate space for axis flags.
Also remove redundant assignment.
|
|
|
12e4307d
|
2019-07-12T10:48:10
|
|
Properly handle phantom points for variation fonts (#56601).
* src/truetype/ttgload.c (TT_Process_Simple_Glyph): Scale phantom
points if HVAR and/or VVAR is present.
|
|
|
d1b16325
|
2019-06-11T21:43:47
|
|
* src/truetype/ttobjs.c (tt_check_trickyness_family): Add `const'.
|
|
|
f37083ed
|
2019-05-29T08:15:38
|
|
[truetype] Fix copy-and-paste error (#56409).
* src/truetype/ttgload.c (load_truetype_glyph): Use correct indices
into `unrounded' array for phantom points.
|
|
|
49079ce2
|
2019-05-29T08:08:53
|
|
[truetype] Fix 32bit builds (#56404).
Patch suggested by Ben Wagner <bungeman@google.com>.
* src/truetype/ttgxvar.c (FT_fixedToInt, FT_fixedToFdot6): Remove
harmful cast to unsigned type.
|
|
|
86d997e5
|
2019-05-26T09:37:41
|
|
* src/truetype/ttgload.c (TT_Process_Simple_Glyph): Improve accuracy.
|
|
|
306d2f6c
|
2019-05-23T14:41:57
|
|
[truetype] Draw glyphs without deltas in variation font (#56374).
* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Always fill
`unrounded' array.
|
|
|
c3be6f06
|
2019-05-21T11:23:36
|
|
src/truetype/ttinterp.c: Give order of operations for some instructions.
|
|
|
262fce44
|
2019-05-21T09:58:51
|
|
* src/truetype/ttinterp.c (opcode_name): Improve mnemonics.
|
|
|
8eafa528
|
2019-05-21T09:57:38
|
|
ttinterp.c: Improve documentation of engine compensation.
|
|
|
b0522701
|
2019-05-16T12:52:57
|
|
[truetype] Actually scale varied CVT values.
Up to now, only the unscaled CVT values were varied; in other words,
the `CVAR' data was never used for bytecode hinting.
* src/truetype/ttgxvar.c (tt_cvt_ready_iterator): New auxiliary
function.
(tt_face_vary_cvt): Use it to trigger rescaling of CVT values.
|
|
|
37580053
|
2019-05-16T12:15:54
|
|
[truetype] Use 26.6 format for storing unscaled CVT values.
If `CVAR' data is applied to variation fonts, fractional values are
possible.
* include/freetype/internal/tttypes.h (TT_FaceRec): Change type of
`cvt' from `FT_Short' to `FT_Int32'.
* src/truetype/ttgxvar.c (FT_fdot6ToFixed): New macro.
(tt_face_vary_cvt): Use it to update code to 26.6 format.
* src/truetype/ttobjs.c (tt_size_run_prep): Update code to 26.6
format.
* src/truetype/ttpload.c (tt_face_load_cvt): Stora data in 26.6
format.
|
|
|
ac335cd5
|
2019-05-16T10:15:53
|
|
* src/truetype/ttgload.c (load_truetype_glyph): Init `unrounded'.
This fixes linear advance width values for spacing glyphs. Bug
introduced 2019-05-09.
|
|
|
535b687e
|
2019-05-16T09:55:16
|
|
[truetype] Avoid code duplication.
* src/truetype/ttobjs.c (tt_size_run_prep): Scale CVT values in this
function.
(tt_size_ready_bytecode): Updated.
* src/truetype/ttgload.c (tt_loader_init): Updated.
|
|
|
94ebc248
|
2019-05-12T21:05:36
|
|
[truetype] Doh. Fix last commit to make it work.
Very embarassing :-)
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14701
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14705
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14710
* src/truetype/ttgload.c (IS_DEFAULT_INSTANCE): Move up and add
argument; update all callers.
(TT_Process_Simple_Glyph): Use it. The `unrounded' array is active
for variation fonts only, thus also enclose related code with
`#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT ... #endif' where
necessary.
Revert commit a113e5d from 2019-05-09, and don't use `extra_points2'
but allocate a temporary array.
Speed up the scaling of the `unrounded' array.
* src/truetype/ttgxvar.c (FT_fixedToInt, FT_FixedToFdot6): Fix type
conversions and rounding. The unsigned type must have more or equal
bits to the signed type.
|
|
|
1178227b
|
2019-05-11T09:29:19
|
|
[truetype] Increase precision of font variation (#54371).
This patch make FreeType use font units in 26.6 format internally
instead of integers.
* src/truetype/ttgxvar.c (FT_fixedToFdot6): New macro.
(TT_Vary_Apply_Glyph_Deltas): Add argument to output unrounded font
coordinates.
* src/truetype/ttgxvar.h: Updated.
* src/truetype/ttgload.c (TT_Process_Simple_Glyph): Use
`extra_points2' array to temporarily hold unrounded point
coordinates; use them to compute scaled coordinates and linear
advance width and height.
(load_truetype_code): Adjust similarly.
|
|
|
a113e5df
|
2019-05-09T11:37:58
|
|
* src/truetype/ttgload.c (TT_Process_Simple_Glyph): Minor.
|
|
|
dc39f76c
|
2019-05-07T10:09:55
|
|
* src/truetype/ttgxvar.c: More use of `FT_fdot14ToFixed'.
|
|
|
7b841047
|
2019-05-04T08:13:22
|
|
Various clang 8.0 static analyzer fixes.
Reported by Sender Ghost <lightside@gmx.com>.
* src/autofit/afcjk.c (af_cjk_hints_compute_edges): Catch a corner
case where `edge->first' could be NULL.
* src/pfr/pfrobjs.c (pfr_slot_load): Remove unnecessary test of
`size'.
* src/raster/ftraster.c (Draw_Sweep): Catch a corner case where
`draw_right' might be NULL.
* src/sfnt/ttmtx.c (tt_face_get_metrics): Fix limit test for
`aadvance'.
Ensure `abearing' always hold a meaningful result.
* src/truetype/ttgload.c (load_truetype_glyph): Ensure `subglyph' is
not NULL before accessing it.
* src/truetype/ttgxvar.c (TT_Set_Named_Instance): Remove unnecessary
test of `namedstyle'.
* src/type42/t42parse.c (t42_parser_done): Ensure
`parser->root.funcs.done' is not NULL before accessing it.
|
|
|
af400438
|
2019-04-22T07:41:35
|
|
Fix return value of `FT_Set_Named_Instance' (#56186).
* src/truetype/ttgxvar.c (TT_Set_Named_Instance): Correctly handle
internal return value -1 of `TT_Set_Var_Design'.
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75859970
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2019-02-23T10:07:09
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Update all copyright notices.
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b77826e1
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2019-02-21T10:23:15
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Triage 8ea854bfe92443706d55656072f891ec8f2cb3c2.
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8ea854bf
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2019-02-21T10:14:57
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[truetype] Mask numeric overflows.
* src/truetype/ttinterp.c (Move_CVT, Move_CVT_Stretched, Ins_MIRP):
Mask numeric overflows.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11681
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11734
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b66d6a91
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2019-02-06T07:38:25
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CHANGES: Document recent metrics change from Nikolaus.
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a6feefdf
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2019-02-02T15:50:57
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[truetype] Apply MVAR hasc, hdsc and hlgp metrics to current FT_Face metrics.
Instead of setting typo or win metrics as the new FT_Face metrics
indiscriminately, apply only typo deltas to the currently active FT_Face
metrics. This prevents line height differences when e.g. the default
outlines were used as the regular face and instances for everything else.
* src/truetype/ttgxvar.c (tt_apply_mvar): Implement.
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f686ad46
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2019-01-22T20:31:44
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Update copyright years.
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afa043de
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2018-12-25T22:44:05
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Fix links (mostly http -> https).
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2b4e61e4
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2018-12-12T09:36:39
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Minor documentation fixes.
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3e8a2283
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2018-12-11T23:54:17
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* src/truetype/ttgload.c (TT_Hint_Glyph): Remove useless test.
`control_len' only gets its value from `n_ins' (and vice versa),
which is always read as `unsigned short' and thus can't be larger
than 0xFFFF.
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78a1e695
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2018-11-27T22:24:06
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[type1,cff] Add FT_{Set,Get}_MM_WeightVector API calls.
For multiple master fonts, common usage (in Postscript) is to modify
the WeightVector of an existing font instance, this addition
supports that use.
* include/freetype/ftmm.h, src/base/ftmm.c (FT_Set_MM_WeightVector,
FT_Get_MM_WeightVector): New API functions.
* include/freetype/internalservices/svmm.h
(FT_Set_MM_WeightVector_Func, FT_Get_MM_WeightVector_Func): New
function types.
(MultiMasters): Add `set_mm_weightvector' and `get_mm_weightvector'
members.
(FT_DEFINE_SERVICE_MULTIMASTERSREC): Updated.
* src/cffcffdrivr.c (cff_set_mm_weightvector,
cff_get_mm_weightvector): New functions.
(cff_service_multi_masters): Register them.
* src/truetype/ttdriver.c (tt_service_gx_multi_masters): Updated.
This driver doesn't use the new interface.
* src/type1/t1load.c (T1_Set_MM_WeightVector,
T1_Get_MM_WeightVector): New functions.
* src/type1/t1driver.c (t1_service_multi_masters): Register them.
* src/type1/t1load.h: Updated.
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74cdd75f
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2018-11-27T17:55:40
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[truetype] Fix numeric overflow (#55103).
* src/truetype/ttgload.c (compute_glyph_metrics): Use `SUB_LONG'.
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fb0d66d0
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2018-11-07T00:47:44
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[truetype] Fix VF check from 2018-09-12 (#54973).
* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Use correct
offsets for estimates.
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cc288e38
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2018-11-04T22:09:16
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Minor.
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1f43affc
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2018-11-04T13:11:16
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* src/truetype/ttgxvar.c: Use enum definitions.
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d95a12b8
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2018-11-03T23:02:58
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* src/truetype/ttgxvar.c (ft_var_apply_tuple): Adjust condition.
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547f82f2
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2018-11-03T23:00:36
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* src/truetype/ttgxvar.c (ft_var_apply_tuple): Tracing tweaks.
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ce3feb0b
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2018-11-03T22:43:21
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Revert due to specs: [truetype] Speed up variation IUP.
This reverts commit 1e4496c54c010843c1bac56e5d344115d1a49620.
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dfa86d65
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2018-11-03T22:36:52
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Revert "[truetype] Speed up variation IUP."
This reverts commit 1e4496c54c010843c1bac56e5d344115d1a49620.
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61d50756
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2018-11-02T20:42:25
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* src/truetype/ttgxvar.c (ft_var_get_item_delta): Fixed logic.
Reported and tested by Behdad.
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1e4496c5
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2018-10-31T23:17:33
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[truetype] Speed up variation IUP.
* src/truetype/ttgxvar.c (tt_delta_interpolate): Separate trivial
snapping to the same position from true interpolation.
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300da33d
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2018-10-31T21:55:40
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* src/truetype/ttgxvar.c (ft_var_get_item_delta): Optimized.
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f262d15d
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2018-10-07T07:40:37
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Minor comment improvement.
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a9af6914
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2018-09-25T09:10:09
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Fix handing of `FT_Bool'.
Before this commit we had code like
(FT_Bool)( globals->glyph_styles[gindex] & 0x8000)
Since `FT_Bool' is defined to be an `unsigned char', the code
evaluated to something like
(unsigned char)( 0x8532 & 0x8000)
which in turn expanded to
(unsigned char)( 0x8000)
and finally yielded 0x00 – i.e., false – not as expected.
Problem reported and analyzed by Tony Smith <tony.smith@macro4.com>.
* include/freetype/fttypes.h (FT_BOOL): Add a comparison against
zero so that we always have a Boolean expression.
*/*: Replace castings to `FT_Bool' with calls to `FT_BOOL' where
possible.
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10e54d04
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2018-09-13T21:47:35
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[truetype] Some fixes for VF checks.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10317
* src/truetype/ttgxvar.c (ft_var_load_gvar): Properly exit memory
frame if we have invalid glyph variation data offsets.
(tt_face_vary_cvt): Protect against missing `tuplecoords' array.
Fix typo.
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65681e6d
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2018-09-12T07:40:49
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[truetype] Improve VF check.
Triggered by
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10255
* src/truetype/ttgxvar.c (ft_var_load_gvar): Use better limit check
for `tupleCount'.
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53c5e4bd
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2018-09-12T07:27:30
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* src/truetype/ttgxvar.c (ft_var_load_gvar): Check `glyphoffsets'.
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1c04eed7
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2018-09-07T06:40:55
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[truetype] Fix assertion failure.
Triggered by
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10212
* src/truetype/ttgload.c (load_truetype_glyph): Reintroduce
`opened_frame' (removed in a change from 2018-08-26) to handle
dealloation of the second frame.
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ae3afbc4
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2018-08-26T15:40:16
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* src/truetype/ttobjs.c (tt_size_read_bytecode): Trace CVT values.
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4738dcc4
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2018-08-26T12:03:33
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Minor tracing adjustments.
* src/base/ftstream.c (FT_Stream_EnterFrame, FT_Stream_ExitFrame):
Trace.
* src/truetype/ttgload.c (TT_Access_Glyph_Frame): Remove tracing.
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6e339b8d
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2018-08-26T11:59:02
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[truetype] Avoid nested frames.
Triggered by
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10054
* src/truetype/ttgload.c (load_truetype_glyph): Don't use variable
`opened_frame' to trace whether a frame must be closed at the end of
function: This fails because `TT_Vary_Apply_Glyph_Deltas' (which
gets called for space glyphs) uses a frame by itself. Instead,
close the frame after loading the header, then use another frame for
the remaining part of the glyph later on.
Also avoid calling `tt_get_metrics' twice under some circumstances.
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45524679
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2018-08-22T10:31:05
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[truetype] Improve legibility of `glyf' parsing.
* src/truetype/ttgload.c (ON_CURVE_POINT, X_SHORT_VECTOR,
Y_SHORT_VECTOR, REPEAT_FLAG, X_POSITIVE, SAME_X, Y_POSITIVE, SAME_Y,
OVERLAP_SIMPLE): New macros.
(TT_Load_Simple_Glyph): Use new macros to make code more readable.
Remove useless adjustment of `outline->tags' elements.
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a0dd16fb
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2018-08-15T18:13:17
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Don't use `trace_' prefix for FT_COMPONENT arguments.
* include/freetype/internal/ftdebug.h (FT_TRACE_COMP,
FT_TRACE_COMP_): New auxiliary macros to add `trace_' prefix.
(FT_TRACE): Use `FT_TRACE_COMP'.
*/* (FT_COMPONENT): Updated.
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1d7b034c
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2018-08-14T15:48:17
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Use formatting string in FT_TRACEX calls for non-simple arguments.
* src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
<cff_op_hstem, cff_op_hintmask, cff_op_hlineto, cff_op_vhcurveto>:
Do it.
* src/psaux/pshints.c (cf2_hintmap_build): Ditto.
* src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM,
cf2_cmdVSTEM, cf2_cmdHLINETO, cf2_cmdRRCURVETO, cf2_cmdCALLSUBR,
cf2_escHSTEM3, cf2_cmdHINTMASK, cf2_cmdHVCURVETO>: Ditto.
* src/truetype/ttinterp.c (TT_RunIns): Ditto.
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720ae67f
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2018-08-05T07:21:10
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* src/truetype/ttgload.c (compute_glyph_metrics): Fix overflow.
Reported as
https://bugs.chromium.org/p/chromium/issues/detail?id=777151
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ced9c311
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2018-08-04T07:03:57
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Ditto.
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be81acc4
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2018-08-04T07:01:04
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* src/truetype/ttinterp.c (opcode_name): Fix typos.
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c9edca8e
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2018-07-27T10:44:01
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[truetype] Make `TT_Set_MM_Blend' idempotent (#54388).
* src/truetype/ttgxvar.c (tt_set_mm_blend): Correctly set
`face->doblend' if the current call to the function yields the same
blend coordinates as the previous call.
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71e29fe1
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2018-07-24T10:04:23
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[truetype] Match ttdebug's naming of instruction mnemonics.
* src/truetype/ttinterp.c: The form used in ttdebug,
"MDRP[G,B,W,?]", etc., is slightly more readable than
"MDRP[00,01,02,03]".
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839cb404
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2018-07-16T05:45:45
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* src/truetype/ttgxvar.c (tt_set_mm_blend): Fix off-by-one error.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9412
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6ceeb87f
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2018-07-05T22:31:10
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Fix more 32bit issues (#54208)
* src/cff/cffload.c (cff_blend_build_vector): Convert assertion into
run-time error.
* src/truetype/ttgxvar.c (ft_var_to_normalized): Protect against
numeric overflow.
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207ca38f
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2018-06-25T18:50:00
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[truetype] Fix memory leak.
* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Add initializers.
Fix typo in `goto' destination.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9071
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589d1f08
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2018-06-25T18:38:04
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* src/truetype/ttgxvar.c (tt_face_vary_cvt): Add initializers.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9070
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