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97bb53ee
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2025-04-28T07:24:41
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[autofit] Enable dynamic loading of HarfBuzz. (2/2)
Handle the case where loading HarfBuzz dynamically fails.
* src/autofit/ft-hb.c, src/autofit/ft-hb.h (ft_hb_enabled): New function.
* src/autofit/afglobal.c (af_face_globals_new, af_face_globals_free):
Guard HarfBuzz functions with `ft_hb_enabled`.
* src/autofit/aflatin.c (af_latin_metrics_init_widths,
af_latin_metrics_init_blues, af_latin_metrics_check_digits): Simplify
setup of `shaper_buf`.
Guard calls of `af_shaper_buf_create` with `ft_hb_enabled`.
* src/autofit/afcjk.c (af_cjk_metrics_init_widths,
af_cjk_metrics_init_blues, af_cjk_metrics_check_digits): Dito.
* src/autofit/afshaper.c: Guard all HarfBuzz function calls with
`ft_hb_enabled`.
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7651fe00
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2025-04-27T18:44:49
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[autofit] Enable dynamic loading of HarfBuzz. (1/2)
This commit activates the mini-HarfBuzz header files and provides the
necessary infrastructure for dynamically loading HarfBuzz if
`FT_CONFIG_OPTION_USE_HARFBUZZ_DYNAMIC` is defined (this macro gets set up
in a follow-up commit).
* src/autofit/ft-hb.c: New file, providing `ft_hb_funcs_init` and
`ft_hb_funcs_done` for loading HarfBuzz dynamically. The name of the
library is hold in the macro `FT_LIBHARFBUZZ`, which can be overridden.
* src/autofit/ft-hb.h: Don't include `hb.h` but `ft-hb-types.h`.
(hb): Modified to handle both standard linking and dynamically
loading of HarfBuzz.
(HB_EXTERN): New macro to load `ft-hb-decls.h`.
* src/autofit/afadjust.c [FT_CONFIG_OPTION_USE_HARFBUZZ]: For the sake of
dynamically loading the HarfBuzz library, replace the compile-time macro
`HB_VERSION_ATLEAST` with a call to the run-time function
`hb_version_atleast` where necessary – a follow-up commit will set the
minimum version of HarfBuzz to 2.6.8, which provides all necessary
functions needed by FreeType.
* src/autofit/afmodule.h: Include `ft-hb.h`.
(AF_ModuleRec) [FT_CONFIG_OPTION_USE_HARFBUZZ_DYNAMIC]: Add `hb_funcs`
structure to hold pointers to the dynamically loaded HarfBuzz functions.
* src/autofit/afmodule.c (af_autofitter_init, af_autofitter_done)
[FT_CONFIG_OPTION_USE_HARFBUZZ_DYNAMIC]: Call `ft_hb_funcs_init` and
`ft_hb_funcs_done`.
* src/autofit/afshaper.h: Updated.
* src/autofit/autofit.c: Include `ft-hb.c`.
* src/autofit/rules.mk (AUTOF_DRV_SRC, AUTOF_DRV_H): Updated.
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8b443d70
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2025-04-26T12:22:23
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[autofit] Some preparations for loading HarfBuzz dynamically. (1/4)
* src/autofit/ft-hb.h: New file, defining the `hb` macro. Later on, we
provide a different definition of this macro depending on a yet-to-come
configuration option to support dynamic loading of HarfBuzz functions.
* src/autofit/afadjust.c, src/autofit/afglobal.c, src/autofit/afshaper.c,
stc/ft-hb-ft.c: Use it.
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3eb4eade
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2025-04-12T00:44:46
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[autofit] Rename 'ft-hb' to 'ft-hb-ft'.
Since it's a (shrinked) copy of 'hb-ft'.
* src/autofit/afglobal.c (af_face_globals_new), src/autofit/afshaper.h,
src/autofit/autofit.c: Updated.
* src/autofit/ft-hb.c, src/autofit/ft-hb.h: Renamed to...
* src/autofit/ft-hb-ft.c, src/autofit/ft-hb-ft.h: ...this; updated.
* src/autofit/rules.mk (AUTOF_DRV_SRC): Updated.
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995ccfac
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2023-02-08T21:49:56
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[autofit] Fix 'multi' compilation.
* src/autofit/ft-hb.c: Decorate with `FT_LOCAL_DEF`.
Add ANSI boilerplate code for otherwise empty file.
* src/autofit/ft-hb.h: Include `compiler-macros.h` and `freetype.h`.
Use `FT_BEGIN_HEADER` and `FT_END_HEADER`.
Decorate with `FT_LOCAL`.
* src/autofit/rules.mk (AUTOF_DRV_SRC): Add `ft-hb.c`.
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37bc7c26
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2023-02-07T07:37:07
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Avoid reserved identifiers that are globally defined.
This is mandated by the C99 standard, and clang 15 produces zillions of
warnings otherwise.
* devel/ftoption.h, include/freetype/config/ftoption.h,
include/freetype/internal/ftmemory.h, src/autofit/afhints.h,
src/autofit/afmodule.c, src/autofit/aftypes.h, src/base/ftadvanc.c,
src/base/ftdbgmem.c, src/base/ftstream.c, src/bdf/bdflib.c,
src/truetype/ttinterp.c: Replace identifiers of the form `_foo` with `foo_`.
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ebe7e912
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2023-01-02T20:13:22
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[autofit] Don't depend on 'hb-ft'.
The circular dependency is still there, but at least we no longer depend on
the HarfBuzz API that is only present if HarfBuzz has been built with
FreeType support, making the bootstrapping a bit easier.
* src/autofit/ft-hb.c, src/autofit/ft-hb.h: New files, providing
`_hb_ft_font_create`, which is more or less a verbatim copy of the
corresponding HarfBuzz code from file `hb-ft.cc`.
* src/autofit/afglobal.c (af_face_globals_new): Use it.
* src/autofit/afshaper.h: Don't include `hb-ft.h` but `ft-hb.h`.
* src/autofit/autofit.c: Include `ft-hb.c`.
* LICENSE.TXT: Updated.
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