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The following commit was skipped:
04f13a5 Disable byte-compile-cond-use-jump-table (Bug#35770)
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* lisp/emacs-lisp/bytecomp.el (byte-compile-cond-use-jump-table): Set
to nil by default.
Don't merge to master, the bug is already fixed there.
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2860285 Allow macros autoloaded as functions during bytecomp (Bug#36022)
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* lisp/emacs-lisp/bytecomp.el (byte-compile-callargs-warn): Don't pass
symbols which don't have a known definition to
byte-compile--function-signature, it fails to compile code which
previously compiled successfully (for example, gnus.el until
2019-06-01 "* lisp/gnus/gnus.el: Mark autoloaded macros as such" which
autoloads some macros as if they were functions).
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The code to support HarfBuzz was written by these individuals:
Khaled Hosny <dr.khaled.hosny@gmail.com>
YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Eli Zaretskii <eliz@gnu.org>
* src/xftfont.c (xftfont_list): Call ftfont_list2.
(xftfont_match): Call ftfont_match2.
(xftfont_open) [HAVE_HARFBUZZ]: Set the font driver to
xfthbfont_driver as required. Reset xftfont_info->hb_font to
NULL.
(xftfont_close) [HAVE_HARFBUZZ]: Dispose of the hb_font object.
(xftfont_shape): Accept an additional argument DIRECTION and
pass it to ftfont_shape.
(xfthbfont_list, xfthbfont_match, xfthbfont_begin_hb_font)
(xfthbfont_end_hb_font) [HAVE_HARFBUZZ]: New functions.
(syms_of_xftfont): New DEFSYM 'xfthb'.
(syms_of_xftfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize
xfthbfont_driver.
* src/xfns.c (Fx_create_frame, x_create_tip_frame)
[HAVE_HARFBUZZ]: Register the HarfBuzz font driver.
* src/w32uniscribe.c (bswap_32) [HAVE_HARFBUZZ]: Define to use
the builtin for GCC 4.3.9 and newer; else use byteswap.h from
Gnulib.
(struct uniscribe_font_info): New member 'scale'. The member
'cache' is now used both by Uniscribe and HarfBuzz backends.
(uniscribe_open): Set the font backend as required by the font
entity's font_type field.
(uniscribe_close) [HAVE_HARFBUZZ]: Dispose of the hb_font
object.
(uniscribe_shape): Accept an additional argument DIRECTION.
(w32hb_list, w32hb_match, free_cb, w32hb_get_font_table)
(w32hb_get_font, w32hb_encode_char, w32hb_begin_font)
(w32hb_get_variation_glyphs, load_harfbuzz_funcs)
[HAVE_HARFBUZZ]: New functions.
(syms_of_w32uniscribe_for_pdumper): Initialize
harfbuzz_font_driver if loading the requisite functions from
the HarfBuzz DLL succeeded.
* src/w32font.c (syms_of_w32font): New DEFSYM 'harfbuzz'.
* src/w32fns.c (Fx_create_frame, w32_create_tip_frame):
Determine whether we should register the HarfBuzz backend, or
Uniscribe backend, or both for the new frame.
* src/w32common.h (hbfont_init_w32_funcs) [HAVE_HARFBUZZ]: Add
prototype.
* src/macfont.m (lgstring_direction): New enumeration.
(mac_font_shape_1, mac_screen_font_shape, macfont_shape):
Accept an additional argument DIRECTION; all callers changed.
* src/lisp.h (get_unicode_property): Add prototype.
* src/hbfont.c: New file.
* src/ftxfont.c (ftxfont_list): Call ftfont_list2.
(ftxfont_match): Call ftfont_match2.
* src/ftfont.h [HAVE_HARFBUZZ]: Include hb.h and hb-ft.h.
(struct font_info): New member hb_font.
* src/ftfont.c (ftfont_list2, ftfont_list_family): New functions.
(ftfont_open) [HAVE_HARFBUZZ]: Reset ftfont_info->hb_font to
NULL. Set the font backend to fthbfont_driver when required.
(ftfont_close) [HAVE_HARFBUZZ]: Dispose of ftfont_info->hb_font.
(ftfont_glyph_metrics): New function.
(ftfont_text_extents): Call ftfont_glyph_metrics instead of
FT_Load_Glyph.
(ftfont_shape): Accept an additional argument DIRECTION.
(ftfont_variation_glyphs) [!HAVE_OTF_GET_VARIATION_GLYPHS]:
Support for variation glyphs without FLT.
(fthbfont_begin_hb_font) [HAVE_HARFBUZZ]: New function.
(syms_of_ftfont): New DEFSYM freetypehb.
(syms_of_ftfont_for_pdumper): Initialize fthbfont_driver.
* src/ftcrfont.c (ftcrfont_list): Call ftfont_list2.
(ftcrfont_match): Call ftfont_match2.
(ftcrfont_open) [HAVE_HARFBUZZ]: Set the font backend to
ftcrhbfont_driver as required. Reset ftcrfont_info->hb_font
to NULL.
(ftcrfont_close) [HAVE_HARFBUZZ]: Discard of
ftcrfont_info->hb_font.
(ftcrfont_shape): Pass DIRECTION to ftfont_shape.
(ftcrhbfont_list, ftcrhbfont_match)
(ftcrhbfont_begin_hb_font, ftcrhbfont_end_hb_font)
[HAVE_HARFBUZZ]: New functions.
(syms_of_ftcrfont): New DEFSYM ftcrhb.
(syms_of_ftcrfont_for_pdumper): Initialize ftcrhbfont_driver.
* src/font.h [HAVE_HARFBUZZ]: Include hb.h.
(struct font_driver): Update comments and function signatures
to reflect the new argument DIRECTION accepted by the 'shape'
method. New methods 'begin_hb_font' and 'end_hb_font'.
(hbfont_shape, hbfont_combining_capability)
(fthbfont_begin_hb_font) [HAVE_HARFBUZZ]: Add prototypes.
* src/font.c (Ffont_shape_gstring): Accept an additional
argument DIRECTION, and pass it to the font driver's 'shape'
method.
(Ffont_variation_glyphs): Doc fix.
(syms_of_font): New DEFSYMS L2R and R2L.
* src/composite.h (composition_reseat_it): Adjust prototype.
* src/composite.c (autocmp_chars): Accept additional argument
DIRECTION, and pass it to auto-composition-function. All
callers changed.
(composition_reseat_it): Accept additional argument
BIDI_LEVEL, and use it to determine the DIRECTION argument to
be passed to autocmp_chars. All callers changed.
(syms_of_composite) <auto-composition-function>: Improve the
doc string; document the meaning of the new argument
DIRECTION.
* src/chartab.c (get_unicode_property): New function,
refactored from the body of get-unicode-property-internal.
(Fget_unicode_property_internal): Call get_unicode_property
after validating the input arguments.
* src/Makefile.in (HARFBUZZ_CFLAGS, HARFBUZZ_LIBS): New macros.
(EMACS_CFLAGS): Use HARFBUZZ_CFLAGS.
(SOME_MACHINE_OBJECTS): Add hbfont.o
(LIBES): Add HARFBUZZ_LIBS.
* lisp/language/tv-util.el (tai-viet-composition-function):
* lisp/language/thai-util.el (thai-composition-function):
* lisp/language/misc-lang.el (arabic-shape-gstring):
* lisp/language/lao-util.el (lao-composition-function):
* lisp/language/japanese.el (compose-gstring-for-variation-glyph):
* lisp/language/hebrew.el (hebrew-shape-gstring):
* lisp/language/ethio-util.el (ethio-composition-function):
* lisp/composite.el (compose-chars-after)
(compose-gstring-for-graphic)
(compose-gstring-for-dotted-circle)
(compose-gstring-for-terminal, auto-compose-chars): All
composition functions that call shapers now accept an
additional argument DIRECTION, either L2R or R2L.
* etc/NEWS: Document the HarfBuzz support.
* etc/HELLO: Add diacritics to Hebrew greetings.
* doc/lispref/frames.texi (Font and Color Parameters):
* doc/emacs/msdos.texi (Windows Fonts): Describe the
'harfbuzz' font backend on MS-Windows and how it is preferred
to 'uniscribe'.
* configure.ac (--wthout-harfbuzz): New option.
(HAVE_HARFBUZZ): New tests.
(FONT_OBJ) [HAVE_HARFBUZZ]: Add hbfont.o
(emacs_config_features): Add HARFBUZZ.
* admin/nt/dist-build/build-dep-zips.py: Add HarfBuzz dependency.
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* admin/nt/dist-build/build-dep-zips.py: Add harfbuzz as dependency
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* configure.ac: Check availability of FT_Face_GetCharVariantIndex.
* src/ftfont.c (ftfont_variation_glyphs) [HAVE_FT_FACE_GETCHARVARIANTINDEX]:
Add function implementation.
* src/ftcrfont.c (ftcrfont_variation_glyphs)
[HAVE_FT_FACE_GETCHARVARIANTINDEX]: Use function implementation for
HAVE_OTF_GET_VARIATION_GLYPHS.
* src/ftfont.c (ftfont_driver) [HAVE_FT_FACE_GETCHARVARIANTINDEX]:
* src/xftfont.c (xftfont_driver) [HAVE_FT_FACE_GETCHARVARIANTINDEX]:
* src/ftxfont.c (ftxfont_driver) [HAVE_FT_FACE_GETCHARVARIANTINDEX]:
* src/ftcrfont.c (ftcrfont_driver) [HAVE_FT_FACE_GETCHARVARIANTINDEX]:
Populate the get_variation_glyphs method.
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This reverts commit 1ab69630dcb8c7a1b1b4171211a7c8ebf11b0d1c.
It has a wrong commit message.
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* src/font.h (fthbfont_shape, fthbfont_combining_capability)
[HAVE_HARFBUZZ]: Remove prototypes.
* src/ftfont.c: Don't include math.h.
(uni_combining, uni_general, uni_mirroring, get_hb_unicode_funcs)
(fthbfont_shape_by_hb, fthbfont_combining_capability, fthbfont_shape)
[HAVE_HARFBUZZ]: Remove functions.
* src/ftfont.c (syms_of_ftfont_for_pdumper) [HAVE_HARFBUZZ]:
* src/xftfont.c (syms_of_xftfont_for_pdumper) [HAVE_HARFBUZZ]:
* src/ftcrfont.c (syms_of_ftcrfont_for_pdumper) [HAVE_HARFBUZZ]: Use
hbfont_shape and hbfont_combining_capability for fthbfont_shape and
fthbfont_combining_capability, respectively.
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* src/font.h (fthbfont_shape, fthbfont_combining_capability)
[HAVE_HARFBUZZ]: Remove prototypes.
* src/ftfont.c: Don't include math.h.
(uni_combining, uni_general, uni_mirroring, get_hb_unicode_funcs)
(fthbfont_shape_by_hb, fthbfont_combining_capability, fthbfont_shape)
[HAVE_HARFBUZZ]: Remove functions.
* src/ftfont.c (syms_of_ftfont_for_pdumper) [HAVE_HARFBUZZ]:
* src/xftfont.c (syms_of_xftfont_for_pdumper) [HAVE_HARFBUZZ]:
* src/ftcrfont.c (syms_of_ftcrfont_for_pdumper) [HAVE_HARFBUZZ]: Use
hbfont_shape and hbfont_combining_capability instead of fthbfont_shape
and fthbfont_combining_capability, respectively.
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* src/hbfont.c (hbfont_shape): Use ptrdiff_t, not int,
for indexes that in theory might overflow int.
Add UNINIT to pacify GCC 9 and omit an unnecessary initialization.
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* src/w32uniscribe.c [HAVE_HARFBUZZ]: DEF_DLL_FN
hb_font_get_variation_glyph.
(hb_font_get_variation_glyph): New redirection macro.
(w32hb_get_variation_glyphs): New function.
(load_harfbuzz_funcs): Load hb_font_get_variation_glyph.
(syms_of_w32uniscribe_for_pdumper): Populate the
get_variation_glyphs method of harfbuzz_font_driver.
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* doc/emacs/msdos.texi (Windows Fonts): Reflect the fact that
Uniscribe is not enabled by default.
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* src/w32fns.c (Fx_create_frame, w32_create_tip_frame):
Register the Uniscribe font backend only if HarfBuzz is not
available, or if explicitly requested via frame parameters
or resources.
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* src/hbfont.c: New file, with code moved from w32uniscribe.c
and renamed/modified as appropriate.
* src/w32uniscribe.c: Move to hbfont.c DEF_DLL_FN and macro
definitions for HarfBuzz functions used in hbfont.c
(load_harfbuzz_funcs): Move loading of HarfBuzz functions used
by hbfont.c to hbfont.c:hbfont_init_w32_funcs, and call that
function from here.
(syms_of_w32uniscribe_for_pdumper): Fill the 'shape' and
'combining_capability' members with hbfont.c function names.
* src/w32common.h (hbfont_init_w32_funcs) [HAVE_HARFBUZZ]: Add
prototype.
* src/font.h (hbfont_shape, hbfont_combining_capability)
[HAVE_HARFBUZZ]: Add prototypes.
* src/Makefile.in (SOME_MACHINE_OBJECTS): Add hbfont.o.
* configure.ac (FONT_OBJ): Add hbfont.o if HAVE_HARFBUZZ.
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* etc/HELLO: Show off display of Hebrew with diacriticals
(a.k.a. "nikkud").
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* src/w32reg.c (w32_get_string_resource): The argument V_RDB
is a 'char **', not a 'char *'. This fixes -xrm handling on
MS-Windows, broken by conversion of x_get_string_resource to
terminal-specific hook.
(cherry picked from commit 833097cbc4856001ae77b33365faf09c1b3c30e3)
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* src/w32font.c (w32font_draw): Convert the glyph_string's
char2b array to 16-bit WCHAR data that ExtTextOutW needs.
(cherry picked from commit 38564f8a664347c42f7614d9c91e0d49e4a073e8)
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* src/w32uniscribe.c [HAVE_HARFBUZZ]: Include math.h and
hb.h.
(bswap_32): Define for GCC 4.3.0 and later; else include
<byteswap.h> from Gnulib.
(struct uniscribe_font_info): Extend for HarfBuzz; 'cache' is
now a 'void *' (all users changed).
[HAVE_HARFBUZZ]: Define typedefs for HarfBuzz functions to be
loaded dynamically from the HarfBuzz DLL. Define macros to
call those functions via function pointers.
(uniscribe_open) [HAVE_HARFBUZZ]: Use the HarfBuzz font driver
if the type of the font entity is 'harfbuzz'.
(uniscribe_close) [HAVE_HARFBUZZ]: For fonts using the
HarfBuzz backend, call hb_font_destroy to free memory used for
the cached hb_font data.
(uniscribe_shape): Fix assignment of character codepoints to
glyphs from a single cluster.
(w32hb_list, w32hb_match, free_cb, w32hb_get_font_table)
(w32hb_get_font, w32hb_encode_char, w32hb_begin_font)
(w32uni_combining, w32uni_general, w32uni_mirroring)
(get_hb_unicode_funcs, w32hb_shape)
(w32hb_combining_capability, load_harfbuzz_funcs)
[HAVE_HARFBUZZ]: New functions.
(syms_of_w32uniscribe_for_pdumper) [HAVE_HARFBUZZ]: Load the
HarfBuzz DLL and register the HarfBuzz backend with its
functions.
* src/w32font.c (syms_of_w32font) <Qharfbuzz>: New DEFSYM.
* src/w32fns.c (Fx_create_frame, w32_create_tip_frame)
[HAVE_HARFBUZZ]: Register the harfbuzz font backend.
* src/lisp.h (get_unicode_property): Declare prototype.
* src/font.h (harfbuzz_font_driver) [HAVE_NTGUI]: Declare.
* src/chartab.c (get_unicode_property): New function, body
taken from get-unicode-property-internal.
(Fget_unicode_property_internal): Call get_unicode_property
after validating input.
* doc/lispref/frames.texi (Font and Color Parameters):
* doc/emacs/msdos.texi (Windows Fonts): Document support for
HarfBuzz text shaping on MS-Windows.
* configure.ac (HAVE_HARFBUZZ): Move out of the X-specific
part, and consider HarfBuzz also for HAVE_W32 systems.
Require HarfBuzz v1.2.3 for w32.
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* doc/lispref/frames.texi (Font and Color Parameters): Mention xfthb, ftcr,
and ftcrhb font backends.
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* src/ftfont.c (ftfont_shape): Add missing argument direction.
(fthbfont_shape) [HAVE_HARFBUZZ]: Remove unused variable ftfont_info.
(fthbfont_driver) [HAVE_HARFBUZZ]: Remove redundant redeclaration.
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* etc/NEWS: Mention new font backend drivers xfthb and ftcrhb.
* src/font.h [HAVE_HARFBUZZ]: Include hb.h.
(struct font_driver) [HAVE_HARFBUZZ]: New members begin_hb_font and
end_hb_font.
(ftfont_match, ftfont_list): Remove externs.
(ftfont_match2, ftfont_list2):
(fthbfont_combining_capability, fthbfont_begin_hb_font)
(fthbfont_shape) [HAVE_HARFBUZZ]:
(xfthbfont_driver) [HAVE_XFT && HAVE_HARFBUZZ]:
(ftcrhbfont_driver) [USE_CAIRO && HAVE_HARFBUZZ]: Add externs.
* src/ftcrfont.c (ftcrfont_list): Use ftfont_list2.
(ftcrfont_match): Use ftfont_match2.
(ftcrfont_open): Get font type from entity.
(ftcrfont_open) [HAVE_HARFBUZZ]: Use HarfBuzz version of driver if specified.
(ftcrfont_shape) [HAVE_HARFBUZZ]: Make shaping fail.
(ftcrhbfont_list, ftcrhbfont_match)
(ftcrhbfont_begin_hb_font) [HAVE_HARFBUZZ]: New functions.
(ftcrhbfont_driver) [HAVE_HARFBUZZ]: New variable.
(syms_of_ftcrfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize and register it.
(syms_of_ftcrfont) [HAVE_HARFBUZZ]: New symbol Qftcrhb.
* src/ftfont.c: Include math.h for lround.
(fthbfont_driver) [HAVE_HARFBUZZ]: New variable.
(ftfont_get_hb_font) [HAVE_HARFBUZZ]: Remove function.
(ftfont_list, ftfont_match): Make static.
(ftfont_list2, ftfont_match2): New functions.
(ftfont_open2) [HAVE_HARFBUZZ]: Use HarfBuzz version of driver if specified.
(ftfont_open): Get font type from entity.
(ftfont_shape, ftfont_combining_capability, ftfont_driver) [HAVE_HARFBUZZ]:
Move HarfBuzz specific part from here ...
(fthbfont_shape, fthbfont_combining_capability)
(fthbfont_driver) [HAVE_HARFBUZZ]: ... to here. New functions and variable.
(fthbfont_begin_hb_font) [HAVE_HARFBUZZ]: New function.
(fthbfont_shape_by_hb) [HAVE_HARFBUZZ]: Rename from ftfont_shape_by_hb.
Don't take FreeType specific arguments ft_face and matrix. Use begin_hb_font
and end_hb_font font driver functions. Use text_extents font driver functions
instead of ftfont_glyph_metrics.
(syms_of_ftfont) [HAVE_HARFBUZZ]: New symbol Qfreetypehb.
(syms_of_ftfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize and register
fthbfont_drivert.
* src/ftxfont.c (ftxfont_list): Use ftfont_list2.
(ftxfont_match): Use ftfont_match2.
(ftxfont_driver) [HAVE_HARFBUZZ]: Don't initialize shape member explicitly.
* src/xfns.c (Fx_create_frame) [USE_CAIRO && HAVE_HARFBUZZ]:
(Fx_create_frame) [HAVE_XFT && HAVE_HARFBUZZ]: Register HarfBuzz versions of
font drivers.
* src/xftfont.c (xftfont_list): Use ftfont_list2.
(xftfont_match): Use ftfont_match2.
(xftfont_open): Get font type from entity.
(xftfont_open) [HAVE_HARFBUZZ]: Use HarfBuzz version of driver if specified.
(xftfont_shape) [HAVE_HARFBUZZ]: Make shaping fail.
(xfthbfont_list, xfthbfont_match, xfthbfont_begin_hb_font)
(xfthbfont_end_hb_font) [HAVE_HARFBUZZ]: New functions.
(xftfont_driver) [HAVE_HARFBUZZ]: Don't initialize shape member explicitly.
(xfthbfont_driver) [HAVE_HARFBUZZ]: New variable.
(syms_of_xftfont_for_pdumper) [HAVE_HARFBUZZ]: Initialize and register it.
(syms_of_xftfont) [HAVE_HARFBUZZ]: New symbol Qxfthb.
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* src/macfont.m: Fix prototype of macfont_shape.
(mac_font_shape): Fix type of 5th argument.
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* src/ftfont.h (struct font_info): New type, unifies similar types
from ftcrfont.c, ftfont.c and xftfont.c
* src/xftfont.c (struct xftfont_info): Remove, replace with struct
font_info. Adjust all uses.
* src/ftcrfont.c (struct ftcrfont_info): Likewise.
* src/ftfont.c (struct ftfont_info): Likewise.
(cherry picked from commit 9e0d69b5a17a0fa3b0dd099a51584a85f3ddb5bf)
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If no direction was given by the caller, I assume the text will be drawn
left to right, if this is not the case then callers must provide
sensible direction. Letting HarfBuzz guess the direction is not
appropriate since shaping and drawing must use the same direction.
Also move hb_buffer_guess_segment_properties() call to the end, so it
only guessing unset properties, until we completely get rid of it.
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* src/indent.c (scan_for_column, compute_motion):
* src/xdisp.c (CHAR_COMPOSED_P): Pass PDIR argument to
composition_reseat_it.
* src/composite.c (composition_reseat_it): Accept an
additional argument PDIR that provides the current paragraph's
base direction; all callers changed. Use PDIR to fix
calculation of the DIRECTION argument to autocmp_chars.
(Bug#33944)
* src/composite.h: Include dispextern.h.
(composition_reseat_it): Update prototype.
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* lisp/language/tv-util.el (tai-viet-composition-function):
* lisp/language/ethio-util.el (ethio-composition-function):
* lisp/language/japanese.el (compose-gstring-for-variation-glyph):
* lisp/language/thai-util.el (thai-composition-function):
* lisp/language/misc-lang.el (arabic-shape-gstring):
* lisp/language/lao-util.el (lao-composition-function):
* lisp/language/hebrew.el (hebrew-shape-gstring):
* lisp/composite.el (compose-gstring-for-graphic)
(compose-gstring-for-dotted-circle, auto-compose-chars)
(compose-gstring-for-terminal): Accept 2nd argument DIRECTION; all
callers changed.
* src/composite.c (composition_reseat_it): Call
auto-composition-function with one more argument DIRECTION.
(syms_of_composite) <auto-composition-function>: Update the doc
string.
* src/ftfont.c (ftfont_shape_by_hb): Compute language and
direction, and set buffer properties accordingly.
* src/composite.c (autocmp_chars):
* src/w32uniscribe.c (uniscribe_shape):
* src/xftfont.c (xftfont_shape):
* src/ftfont.c (ftfont_shape, ftfont_shape_by_hb):
* src/font.c (Ffont_shape_gstring): Accept an additional argument
DIRECTION.
* src/macfont.m (lgstring_direction): New enum.
(mac_font_shape_1, mac_screen_font_shape, mac_font_shape):
Accept an additional argument specifying text direction. All
callers changed.
* src/font.c (syms_of_font): New symbols QL2R and QR2L.
* src/font.h (shape): Accept new argument DIRECTION. All
implementations changed. (Bug#33729)
(ftfont_shape): Update prototype.
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Potentially faster and less memory allocations. I did not do any
measurements though, so possibly a micro optimization.
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Instead of creating new functions from scratch, subclass the default
implementation and override the selected functions we want/can
override. (Bug#33729)
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HarfBuzz support does not depend on libotf, the build breakage when
libotf is missing was because code guarded with:
#if defined HAVE_M17N_FLT && defined HAVE_LIBOTF
was incorrectly changed to:
#if defined HAVE_M17N_FLT || defined HAVE_HARFBUZZ
this is now properly fixed by making it:
#if (defined HAVE_M17N_FLT && defined HAVE_LIBOTF) || defined HAVE_HARFBUZZ
Other changes in previous commits were reverted.
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* src/ftfont.c (ftfont_get_hb_font): Only define if
HAVE_LIBOTF is defined. (Bug#33771)
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* src/ftfont.c (ftfont_shape_by_hb): Compile only if
HAVE_LIBOTF is defined. (Bug#33771)
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