Commit Graph

1898 Commits

Author SHA1 Message Date
Moazin Khatti 0bf49bd229 Add 'svg' module for OT-SVG rendering.
* CMakeLists.txt (BASE_SRCS): Add svg module file.
* meson.build (ft2_public_headers): Add `otsvg.h`.

* modules.cfg (RASTER_MODULES): Add `svg` module.

* builds/meson/parse_modules_cfg.py: Add svg module.

* include/freetype/config/ftmodule.h: Add `ft_svg_renderer_class`.
* include/freetype/fterrdef.h: Add `Invalid_SVG_Document` and
`Missing_SVG_Hooks` error codes.
* include/freetype/internal/fttrace.h: Add tracing for `otsvg`.
* include/freetype/internal/svginterface.h: New file.  It adds an interface
to enable the presetting hook from the `base` module.
* include/freetype/otsvg.h (SVG_Lib_Init_Func, SVG_Lib_Free_Func,
SVG_Lib_Render_Func, SVG_Lib_Preset_Slot_Func): New hooks for SVG rendering.
(SVG_RendererHooks): New structure to access them.

* src/base/ftobjs.c: Include `svginterface.h`.
(ft_glyphslot_preset_bitmap): Add code for presetting the slot for SVG
glyphs.
(ft_add_renderer): Updated.

* src/svg/*: New files.
2022-01-20 16:45:18 +00:00
Moazin Khatti 97c09a803e Add `FT_Glyph` support for OT-SVG glyphs.
* include/freetype/ftglyph.h (FT_SvgGlyphRec, FT_SvgGlyph): New structure.

* src/base/ftglyph.c: Include `otsvg.h`.
(ft_svg_glyph_init, ft_svg_glyph_done, ft_svg_glyph_copy,
ft_svg_glyph_transform, ft_svg_glyph_prepare): New function.
(ft_svg_glyph_class): New class.
(FT_New_Glyph, FT_Glyph_To_Bitmap): Updated to handle OT-SVG glyphs.
* src/base/ftglyph.h: Updated.
2022-01-20 16:45:18 +00:00
Moazin Khatti f93a897afe Add code to load OT-SVG glyph documents.
* include/freetype/config/ftheader.h (FT_OTSVG_H): New macro.
* include/freetype/freetype.h (FT_FACE_FLAG_SVG, FT_HAS_SVG): New macros.
(FT_LOAD_SVG_ONLY): New internal macro.
* include/freetype/ftimage.h (FT_Glyph_Format): New enumeration value
`FT_GLYPH_FORMAT_SVG`.
* include/freetype/internal/ftobjs.h (FT_GLYPH_OWN_GZIP_SVG): New macro.
* include/freetype/internal/fttrace.h: Add `ttsvg` for `ttsvg.c`.
* include/freetype/internal/sfnt.h(load_svg, free_svg, load_svg_doc): New
functions.
* include/freetype/internal/tttypes.h (TT_FaceRec): Add `svg` for
the SVG table.
* include/freetype/otsvg.h (FT_SVG_DocumentRec): New structure to hold the
SVG document and other necessary information of an OT-SVG glyph in a glyph
slot.
* include/freetype/tttags.h (TTAG_SVG): New macro.

* src/base/ftobjs.c: Include `otsvg.h`.
(ft_glyphslot_init): Allocate `FT_SVG_DocumentRec` in `slot->other`
if the SVG table exists.
(ft_glyphslot_clear): Free it upon clean-up if it is a GZIP compressed
glyph.
(ft_glyphslot_done): Free the document data if it is a GZIP compressed
glyph.
(FT_Load_Glyph): Don't auto-hint SVG documents.

* src/cache/ftcbasic.c (ftc_basic_family_load_glyph): Add support for
FT_GLYPH_FORMAT_SVG.

* src/sfnt/rules.mk (SFNT_DRV_SRC): Add `ttsvg.c`.
* src/sfnt/sfdriver.c: Include `ttsvg.h`.
(sfnt_interface): Add `tt_face_load_svg`, `tt_face_free_svg` and
`tt_face_load_svg_doc`.
* src/sfnt/sfnt.c: Include `ttsvg.c`.
* src/sfnt/sfobjs.c (sfnt_load_face, sfnt_done_face): Add code to load and
free data of the the SVG table.
* src/sfnt/ttsvg.c: New file, implementing `tt_face_load_svg`,
`tt_face_free_svg` and `tt_face_load_svg_doc`.
* src/sfnt/ttsvg.h: Declarations of the SVG functions in
`ttsvg.c`.
2022-01-20 16:45:18 +00:00
Moazin Khatti 06c1a25e63 Add flag `FT_CONFIG_OPTION_SVG`.
This flag is going to be used to conditionally compile support for OT-SVG
glyphs.  FreeType will do the parsing and rely on external hooks for
rendering of OT-SVG glyphs.

* devel/ftoption.h, include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_SVG): New flag.
2022-01-20 16:45:18 +00:00
Alexei Podtelezhnikov 99a940f84a * include/freetype/freetype.h: Clarify `FT_Size` life cycle. 2022-01-20 15:06:09 +00:00
Alexei Podtelezhnikov 054782c48e [base] Undefined scale means no scale.
It might be surprising that FreeType does not have default ppem and
the size has to be set explicitly or face undefined behavior with
undefined variables and errors. This offers an alternative to
missing or zero scale by simply setting FT_LOAD_NO_SCALE.  Defined
behavior is bettr than undefined one.

This is alternative to !132 and discussed in
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43708

* src/base/ftobjs.c (FT_Load_Glyph): Deal with zero scale.
* include/freetype/freetype.h: Document it.
2022-01-19 22:14:06 -05:00
Ozkan Sezer 3f6497bdc5 Add Watcom C/C++ calling.
In the unlikely case the source is built with OpenWatcom's -ec?
switches to enforce a calling convention, the qsort() compare
function must still be set to __watcall.

* include/freetype/internal/compiler-macros.h (FT_COMPARE_DEF):
Updated.
2022-01-15 22:44:28 -05:00
Ozkan Sezer 11ea89b51c Add Watcom C/C++ support.
* include/freetype/config/integer-types.h: Make sure `long long` is
used then available.
* include/freetype/internal/ftcalc.h (FT_MSB): Add Watcom C/C++ pragma.
2022-01-14 22:07:44 -05:00
Alexei Podtelezhnikov 7f7bf6f0f0 * include/freetype/internal/compiler-macros.h [FT_COMPARE_DEF]: Tighten.
This works around Watcom C library using __watcall.
2022-01-14 20:33:28 -05:00
Werner Lemberg d0cfb4e1b2 Update all copyright notices. 2022-01-11 10:54:10 +01:00
Werner Lemberg 2b672e7210 * builds/unix/configure.raw: Restore `SYSTEM_ZLIB` variable.
This was accidentally removed with commit 93ebcbd0 almost eight years ago.
2022-01-02 18:33:03 +01:00
Alexei Podtelezhnikov 7add5b2bcb [truetype] Binary search through the `hdmx` records.
The `hdmx` table is supposed to be sorted by ppem size, which
enables binary search.  We also drop the check for the sufficient
length of the record because it is now enforced when the table
is loaded.

* include/freetype/internal/tttypes.h (TT_FaceRec): Store the `hdmx`
record pointers sorted by ppem instead of ppem's themselves.
* src/truetype/ttpload.c (tt_face_load_hdmx): Prudently sort records.
(tt_face_get_device_metrics): Implement binary search to retrieve
advances.
2021-12-11 22:54:06 -05:00
Alexei Podtelezhnikov 6c831d658f [truetype] Initialize the loader with `hdmx` data.
The `hdmx` matching can be done before the glyph is loaded.

* include/freetype/internal/tttypes.h (TT_LoaderRec): Add a field.
* src/truetype/ttgload.c (compute_glyph_metrics): Relocate the `hdmx`
code from here...
(tt_loader_init): ... to here, before the glyph is loaded.
2021-12-11 22:34:27 -05:00
Werner Lemberg 3f83daeecb * Version 2.11.1 released.
==========================

Tag sources with `VER-2-11-1'.

* docs/VERSION.TXT: Add entry for version 2.11.1.
* docs/CHANGES, docs/release: Updated.

* README, src/base/ftver.rc, builds/windows/vc2010/index.html,
builds/windows/visualc/index.html, builds/windows/visualce/index.html,
builds/wince/vc2005-ce/index.html, builds/wince/vc2008-ce/index.html,
docs/freetype-config.1: s/2.11.0/2.11.1/, s/2110/2111/.

* include/freetype/freetype.h (FREETYPE_PATCH): Set to 1.

* builds/unix/configure.raw (version_info): Set to 24:1:18.
* CMakeLists.txt (VERSION_PATCH): Set to 1.

* builds/toplevel.mk (version_tag, CHANGELOG_SCRIPT): New variables.
(do-dist): Generate `ChangeLog` file with all commits since last release.
2021-12-02 13:33:12 +01:00
Werner Lemberg 3cabd142ce Update `CHANGES` files, other minor whitespace and documentation issues. 2021-11-22 19:58:21 +01:00
Alexei Podtelezhnikov f8a4163a45 * include/freetype/fttypes.h (FT_MAKE_TAG): Remove the same casting. 2021-11-20 07:01:26 -05:00
Werner Lemberg 8c8f51c558 Avoid undefined left-shifts.
We really have to use double casts to avoid issues with C's and C++'s
signedness propagation rules in implicit casts.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41178
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41182

* include/freetype/config/public-macros.h (FT_STATIC_CAST,
FT_REINTERPRET_CAST): Modify macro to take two arguments.
Update all callers.
(FT_STATIC_BYTE_CAST): New macro.

* include/freetype/freetype.h (FT_ENC_TAG): Use `FT_STATIC_BYTE_CAST`.
* include/freetype/ftimage.h (FT_IMAGE_TAG): Ditto.
* include/freetype/fttypes.h (FT_MAKE_TAG): Ditto.
Use `FT_Tag` for casting.

* src/ftraster/ftmisc.h (FT_MAKE_TAG): Removed, no longer needed.
(FT_STATIC_BYTE_CAST): New macro.

* src/smooth/ftgrays.c (FT_STATIC_CAST): Replace with...
(FT_STATIC_BYTE_CAST): ... this.
2021-11-20 07:58:31 +01:00
Werner Lemberg 9079c5d91a Provide C++ versions for public macros with casts.
Many FreeType clients use C++.  However `g++ -Wold-style-cast` warns for
macros with C-style casts even for system header files; this also affects
directories included with `-isystem`.  While this could be seen as a problem
with g++, the problem is more a philosophical one: Over the time, C and C++
diverged more and more, and some features of C are no longer the 'right'
solution in C++.

* include/freetype/config/public-macros.h (FT_STATIC_CAST,
FT_REINTERPRET_CAST): New macros.

* include/freetype/freetype.h (FT_ENC_TAG, FT_LOAD_TARGET_,
FT_LOAD_TARGET_MODE): Use `FT_STATIC_CAST`.
Correctly handle negative 'signed char' input.
* include/freetype/ftimage.h (FT_IMAGE_TAG): Ditto.
* include/freetype/fttypes.h (FT_MAKE_TAG, FT_BOOL): Ditto.
* include/freetype/ftmodapi.h (FT_FACE_DRIVER_NAME): Use
`FT_REINTERPRET_CAST`.

* src/smooth/ftgrays.c (FT_STATIC_CAST)[STANDALONE_]: New macro.
[!STANDALONE]: Include `FT_CONFIG_CONFIG_H`.

Fixes #1116.
2021-11-18 19:28:07 +00:00
Alexei Podtelezhnikov 42e617238a Explicitly define `FT_MSB` for Clang.
* include/freetype/internal/ftcalc.h [__clang__] (FT_MSB): Updated.
2021-11-11 23:06:36 -05:00
Alexei Podtelezhnikov 188c7d6670 Additional `FT_MSB` macro definitions.
Better macros for Windoes CE and ARM in general, based on !109
from metarutaiga.

* include/freetype/internal/ftcalc.h [_MSC_VER] (FT_MSB): Updated.
2021-11-09 22:47:26 -05:00
Alexei Podtelezhnikov 7f4b9bfbc9 [dlg] Define DLG_STATIC explicitly.
DLG_STATIC is intended to disable Windows DLL linking attributes.
It does not hurt to define it explicitly when we wrap DLG code.
This fixes tons of LNK4286 and C4273 warnings from MSVC if we
forget to define DLG_STATIC as a compiler option.

* builds/windows/vc2010/freetype.vcxproj: Remove DLG_STATIC option.
* src/dlg/dlgwrap.c [FT_DEBUG_LOGGING]: Define DLG_STATIC.
* include/freetype/internal/ftdebug.h [FT_DEBUG_LOGGING]: Ditto.
2021-11-07 10:20:16 -05:00
Dominik Röttsches d3d3ff76d1 [sfnt] Clarify `COLR` v1 FT_Paint* format representations
* include/freetype/ftcolor.h (FT_PaintLinearGradient,
FT_PaintRadialGradient, FT_PaintSweepGradient, FT_PaintTransform,
FT_PaintTranslate, FT_PaintScale, FT_PaintRotate, FT_PaintSkew): Clarify
16.16 fixed point representation of struct fields.
* src/sfnt/ttcolr.c (read_paint): Shift coordinates for
FT_PaintLinearGradient, FT_PaintRadialGradient, FT_PaintSweepGradient
accordingly.

Fixes: https://gitlab.freedesktop.org/freetype/freetype/-/issues/1110
2021-11-03 08:28:10 +00:00
Alexei Podtelezhnikov 793c012635 [woff] Optimize table tagging.
* include/freetype/internal/wofftypes.h (WOFF_TableRec): Use
32-bit tag.
* src/sfnt/sfwoff.c (woff_open_font): Use 32-bit tag.
2021-10-27 22:36:11 -04:00
Alexei Podtelezhnikov a577bbcb5b [woff2] Optimize table tagging.
Fixes #1107.

* include/freetype/internal/wofftypes.h (WOFF2_TableRec): Use
32-bit tag.
* src/sfnt/sfwoff2.c (compare_tags, find_table, woff2_open_font):
Use 32-bit tag.
* src/sfnt/woff2tags.[ch] (woff2_known_tags): Use static storage and
return 32-bit tag.
2021-10-27 22:24:27 -04:00
Ben Wagner c71eb22dde Fix typos in memory macros.
FT_QNEW_ARRAY and FT_QRENEW_ARRAY were using the non-Q
FT_MEM_NEW_ARRAY and FT_MEM_RENEW_ARRAY. Change these to use the Q
versions. Also fix the one issue discovered in tt_face_load_name
where table->names is created with FT_QNEW_ARRAY but the extra
string member is not initialized to NULL.

* include/freetype/internal/ftmemory.h (FT_Q(RE)NEW_ARRAY):
Use FT_MEM_Q(RE)NEW_ARRAY as needed.

* src/sfnt/ttload.c (tt_face_load_name): Initialize `entry->string`.
2021-10-15 22:18:38 -04:00
Alexei Podtelezhnikov 3b036820d6 [cid] Signedness revisions.
Unsigned checks are simpler.

* include/freetype/t1tables.h (CID_FaceInfoRec): Change to unsignd
`num_dicts`.
* src/cid/cidparse.h (CID_Parser): Change to unsigned `num_dict`.

* src/cid/cidgload.c (cid_load_glyph): Updated.
* src/cid/cidload.c (cid_load_keyword, parse_fd_array,
parse_expansion_factor, parse_font_name, cid_read_subrs,
cid_face_open): Updated.
* src/cid/cidobjs.c (cid_face_done): Updated.
* src/cid/cidparse.c (cid_parser_new): Updated.
2021-10-10 23:11:10 -04:00
Alexei Podtelezhnikov 22befeef82 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.
2021-10-07 22:41:56 -04:00
Alexei Podtelezhnikov bbab0a675e * include/freetype/internal/ftgloadr.h: Add missing header.
Noticed by Jouk Jansen.
2021-10-04 23:55:46 -04:00
Alexei Podtelezhnikov 311764fabb Additional `FT_MSB` macro definitions.
* include/freetype/internal/ftcalc.h [__DECC,_CRAYC]: Use builtins
and intrinsics.
2021-10-01 11:50:12 -04:00
Alexei Podtelezhnikov 766b2c19e2 Propagate sign when reading OFF3.
Signed 24-bit values are extremely rare.  FreeType only reads them in
PFR fonts with bitmap strikes conditionally. They have not been seen
in the known fonts.  That is why this bug could never be discovered.
`FT_FRAME_OFF3` propagates sign correctly.

* include/freetype/internal/ftstream.h (FT_PEEK_OFF3, FT_PEEK_OFF3_LE):
Propagate sign into 32-bit value.
(FT_GET_OFF3, FT_READ_OFF3): Needed fixing but removed as unused.
2021-09-24 22:14:22 -04:00
Alexei Podtelezhnikov a29e020059 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.
2021-09-23 23:10:26 -04:00
Werner Lemberg 6d19b29fbc Minor documentation fixes and improvements. 2021-09-23 08:46:01 +02:00
Alexei Podtelezhnikov 3b573e4527 Reference `fopen` in the docs. 2021-09-22 22:22:13 -04:00
Alexei Podtelezhnikov e942a31007 [truetype] Tweak `loca` clamping.
Fixes #1095.

* src/truetype/ttpload.c (tt_face_load_loca): Fix up clamping.
* include/freetype/internal/tttypes.h (TT_Face): Correct docs.
2021-09-09 22:17:46 -04:00
Alexei Podtelezhnikov 7482c98f15 [base] Clean up stream reading.
* src/base/ftstream.c (FT_Stream_ReadUShort, FT_Stream_ReadUOffset,
FT_Stream_ReadULong and their LE variants): Remove unnecessary
initialization and slightly refactor.
(FT_Stream_GetByte, FT_Stream_ReadByte): Rename to return unsigned
value and align with sister functions.

* include/freetype/internal/ftstream.h (FT_Stream_GetByte,
FT_Stream_ReadByte): Update prototypes and caller macros.
2021-09-01 22:18:29 -04:00
Alexei Podtelezhnikov 78f2bd0bd3 Whitespace formatting. 2021-08-22 22:32:07 -04:00
Alexei Podtelezhnikov d92aa23fd7 Decorate const arguments.
* src/base/ftglyph.c (FT_Glyph_Transform, FT_Glyph_To_Bitmap): Do it.
* include/freetype/ftglyph.h (FT_Glyph_Transform, FT_Glyph_To_Bitmap):
Do it.
2021-08-22 13:12:45 -04:00
Alexei Podtelezhnikov ffdac8d67e Determine `long long` availability based on its size.
MSVC, for example, used `long long` even without full C99 support.

* include/freetype/config/ftstdlib.h: Check if `long long` limits are
defined in <limits.h>.
* include/freetype/config/integer-types.h: Check `long long` size and
use it to typedef FT_Int64.
2021-08-19 20:41:55 -04:00
Alexei Podtelezhnikov 02ba0fc81e Readily use `long long` as a 64-bit type in C99 mode.
* include/freetype/config/integer-types.h (FT_INT64):
FT_CONFIG_OPTION_FORCE_INT64 is no longer required to use `long long`.
2021-08-18 23:27:48 -04:00
Alexei Podtelezhnikov 857038399a Use FT_INT64 instead of FT_LONG64.
* include/freetype/config/integer-types.h: Remove synonymous FT_LONG64.
* include/freetype/internal/ftcalc.h: s/FT_LONG64/FT_INT64/.
* src/base/ftcalc.c: Ditto.
* src/base/fttrigon.c: Ditto.
* src/smooth/ftgrays.c: Ditto.
2021-08-18 23:05:51 -04:00
Werner Lemberg f11f3ed15b [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.
2021-08-18 07:27:02 +02:00
Dominik Röttsches e40ae7569a [sfnt] Add missing blend mode 'plus' to 'COLR' v1.
* include/freetype/ftcolor.h (FT_Composite_Mode): Add missing blend mode
'plus' after it was added to the spec.
2021-08-09 19:25:26 +02:00
Werner Lemberg 2c853b38a7 include/freetype/freetype.h (FT_Encoding): Improve documentation.
Based on a suggestion by Antony Lee <anntzer.lee@gmail.com>.
2021-08-08 00:22:34 +02:00
Dominik Röttsches 47cf8ebf4a [sfnt] Add API for retrieving a 'COLR' v1 'ClipBox' table.
The optional 'COLR' v1 glyph-specific clip box helps upstream graphics
libraries allocate a sufficiently large bitmap for a glyph without having to
traverse the glyph graph for that.  See

  https://github.com/googlefonts/colr-gradients-spec/issues/251

for background on the introduction of this specification change.

* include/freetype/ftcolor.h (FT_ClipBox): New structure.
(FT_Get_Color_Glyph_ClipBox): New function declaration.

* include/freetype/internal/sfnt.h (TT_Get_Color_Glyph_ClipBox_Func):
New function type.
(SFNT_Interface, FT_DEFINE_SFNT_INTERFACE): Use it.

* src/base/ftobjs.c (FT_Get_Color_Glyph_ClipBox): New function to link API
with SFNT implementation.

* src/sfnt/sfdriver.c (sfnt_interface): Updated.
* src/sfnt/ttcolr.c (Colr): New field `clip_list`.
(tt_face_load_colr): Parse global clip list offset.
(tt_face_get_color_glyph_clipbox): New function to find the clip box for a
glyph id from the clip list array.
* src/sfnt/ttcolr.h: Updated.
2021-08-07 14:44:05 +02:00
Dominik Röttsches 30a82e1e5d [sfnt] 'COLR' v1 PaintSweepGradient spec update
* src/sfnt/ttcolr.c (read_paint): PaintSweepGradient follows other
spec changes and now has the angles specified as F2DOT14, reflect
that in the implementation.
* include/freetype/ftcolor.h (FT_PaintSweepGradient): Update
documentation.
2021-07-29 06:12:51 +00:00
Dominik Röttsches 66189807b8 [sfnt] 'COLR' v1 PaintSkew related spec updates
* src/sfnt/ttcolr.c (read_paint): Implement spec changes around
PaintSkew, PaintSkewAroundCenter.  Update parsing to read shorter
values as changed in the spec.
* include/freetype/ftcolor.h (FT_PaintSkew): Update documentation.
2021-07-29 06:01:34 +00:00
Dominik Röttsches 48df0fa652 [sfnt] PaintRotate/PaintRotateAroundCenter spec updates
* src/sfnt/ttcolr.c (read_paint): Implement spec change where
PaintRotate and PaintRotateAroundCenter were split for a more
compact format definition.  Update parsing to read shorter values
as changed in the spec.
* include/freetype/ftcolor.h (FT_PaintRotate): Update documentation.
2021-07-29 05:59:30 +00:00
Werner Lemberg 801cd842e2 * Version 2.11.0 released.
==========================

Tag sources with `VER-2-11-0'.

* docs/VERSION.TXT: Add entry for version 2.11.0.
* docs/CHANGES: Updated.

* README, src/base/ftver.rc, builds/windows/vc2010/index.html,
builds/windows/visualc/index.html,
builds/windows/visualce/index.html,
builds/wince/vc2005-ce/index.html,
builds/wince/vc2008-ce/index.html, docs/freetype-config.1:
s/2.10.4/2.11.0/, s/2104/2110/.

* include/freetype/freetype.h (FREETYPE_MINOR): Set to 11.
(FREETYPE_PATCH): Set to 0.

* builds/unix/configure.raw (version_info): Set to 24:0:18.
* CMakeLists.txt (VERSION_MINOR): Set to 11.
(VERSION_PATCH): Set to 0.

* builds/toplevel.mk (dist): Ignore more git-related files.
2021-07-19 18:07:51 +02:00
Alex Richardson f7c6a06cb7 Support architectures where `long` is smaller than pointers.
I am currently trying to compile FreeType for CHERI-extended ISAs
(CHERI-RISC-V and Arm's Morello), but I am getting compiler warnings
from the `FT_UINT_TO_POINTER` macro.  When compiling with the CHERI
Clang compiler, not using `uinptr_t` for casts between integers an
pointers results in the following `-Werror` build failures:

```
In file included from .../src/truetype/truetype.c:22:
  .../src/truetype/ttgload.c:1925:22: error:
    cast from provenance-free integer type to pointer type will
    give pointer that can not be dereferenced
    [-Werror,-Wcheri-capability-misuse]
  node->data = FT_UINT_TO_POINTER( glyph_index );
               ^
  .../include/freetype/internal/compiler-macros.h:79:34: note:
    expanded from macro 'FT_UINT_TO_POINTER'
```

* include/freetype/internal/compiler-macros.h (FT_UINT_TO_POINTER):
The ISO C standard compliant fix for this would be to use
`uintptr_t` from `stdint.h`, but I am not sure if this is supported
by the minimum compiler version.  Therefore, use the
compiler-defined `__UINTPTR_TYPE__` macro (supported in GCC 4.6+ and
Clang since about 3.0) before checking for `_WIN64` and falling back
to `unsigned long`.
2021-07-15 12:09:04 +02:00
Oleg Oshmyan 5d27b10f4c [base] Fix `FT_Open_Face`'s handling of user-supplied streams.
This was already true (though undocumented) most of the time, but
not if `FT_NEW` inside `FT_Stream_New` failed or if the
`FT_OPEN_XXX` flags were bad.

Normally, `FT_Open_Face` calls `FT_Stream_New`, which returns the
user-supplied stream unchanged, and in case of any subsequent error
in `FT_Open_Face`, the stream is closed via `FT_Stream_Free`.

Up to now, however, `FT_Stream_New` allocates a new stream even if
it is already given one by the user.  If this allocation fails, the
user-supplied stream is not returned to `FT_Open_Face` and never
closed.  Moreover, the user cannot detect this situation: all they
see is that `FT_Open_Face` returns `FT_Err_Out_Of_Memory`, but that
can also happen after a different allocation fails within the main
body of `FT_Open_Face`, when the user's stream has already been
closed by `FT_Open_Face`.  It is plausible that the user stream's
`close` method frees memory allocated for the stream object itself,
so the user cannot defensively free it upon `FT_Open_Face` failure
lest it ends up doubly freed.  All in all, this ends up leaking the
memory/resources used by user's stream.

Furthermore, `FT_Stream_New` simply returns an error if the
`FT_OPEN_XXX` flags are unsupported, which can mean either an
invalid combination of flags or a perfectly innocent
`FT_OPEN_STREAM` on a FreeType build that lacks stream support.
With this patch, the user-supplied stream is closed even in these
cases, so the user can be sure that if `FT_Open_Face` failed, the
stream is definitely closed.

* src/base/ftobjs.c (FT_Stream_New): Don't allocate a buffer
unnecessarily.
Move error-handling code to make the control flow more obvious.
Close user-supplied stream if the flags are unsupported.
`FT_Stream_Open` always sets `pathname.pointer`, so remove the
redundant (re)assignment.  None of the `FT_Stream_Open...` functions
uses `stream->memory`, so keep just one assignment at the end,
shared among all possible control flow paths.
('Unsupported flags' that may need a stream closure can be either an
invalid combination of multiple `FT_OPEN_XXX` mode flags or a clean
`FT_OPEN_STREAM` flag on a FreeType build that lacks stream
support.)
2021-07-13 11:00:48 +02:00