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Update Android port

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* configure.ac: Add support for HarfBuzz on Android.
* java/INSTALL: Document where to get Emacs with HarfBuzz.
* lisp/subr.el (overriding-text-conversion-style, y-or-n-p):
Correctly set text conversion style if y-or-n-p is called inside
the minibuffer.
* src/sfnt.c (sfnt_read_cmap_format_8)
(sfnt_read_cmap_format_12): Fix typos.
(sfnt_read_24, sfnt_read_cmap_format_14): New function.
(sfnt_read_cmap_table_1, sfnt_read_cmap_table): Handle format 14
cmap tables.
(sfnt_read_default_uvs_table, sfnt_read_nondefault_uvs_table)
(sfnt_compare_table_offsets, sfnt_create_uvs_context)
(sfnt_free_uvs_context, sfnt_compare_uvs_mapping)
(sfnt_variation_glyph_for_char, sfnt_map_table, sfnt_unmap_table)
(sfnt_read_table, sfnt_test_uvs): New functions.
(main): Add UVS tests.
* src/sfnt.h (struct sfnt_cmap_format_14)
(struct sfnt_variation_selector_record)
(struct sfnt_default_uvs_table, struct sfnt_unicode_value_range)
(struct sfnt_nondefault_uvs_table, struct sfnt_uvs_mapping)
(struct sfnt_mapped_variation_selector_record)
(struct sfnt_table_offset_rec, struct sfnt_uvs_context)
(struct sfnt_mapped_table): New structures.  Update prototypes.
* src/sfntfont-android.c (android_sfntfont_driver): Register
HarfBuzz callbacks where required.
* src/sfntfont.c (sfntfont_select_cmap): Look for a format 14
table.  Save it in new arg FORMAT14.
(sfntfont_read_cmap): Adjust accordingly.
(struct sfnt_font_info): New field `uvs'.  New fields `hb_font',
`fd' and `directory'.
(sfntfont_open): Open uvs context.  Under HarfBuzz, don't close
the fd or subtable, but save them in the font info instead.
(sfntfont_close): Free UVS context.  Close font fd and table
directory and HarfBuzz font.
(sfntfont_draw): Handle case where s->padding_p.
(sfntfont_get_variation_glyphs): New function.
(sfntfont_unmap_blob, sfntfont_get_font_table)
(sfntfont_begin_hb_font): New functions.
* src/sfntfont.h: Update prototypes.
* src/textconv.c (Fset_text_conversion_style): Fix doc string.
This commit is contained in:
Po Lu 2023-03-20 14:47:39 +08:00
parent 739558c369
commit 6bd1cfa24f
9 changed files with 1322 additions and 31 deletions
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16
java/INSTALL
View file

@ -265,6 +265,8 @@ systems:
(Extract and point ``--with-ndk-path'' to tiff-4.5.0-emacs.tar.gz.)
tree-sitter - https://sourceforge.net/projects/android-ports-for-gnu-emacs
(Please see the section TREE-SITTER near the end of this file.)
harfbuzz - https://sourceforge.net/projects/android-ports-for-gnu-emacs
(Please see the section HARFBUZZ near the end of this file.)
And other developers have ported the following dependencies to Android
systems:
@ -305,15 +307,23 @@ should not try to build these packages separately using any
TREE-SITTER
A copy of tree-sitter modified to build with the ndk-build system can
also find that URL. To build Emacs with tree-sitter, you must unpack
the following tar archive in that site:
also be found that URL. To build Emacs with tree-sitter, you must
unpack the following tar archive in that site:
tree-sitter-0.20.7-emacs.tar.gz
and add the resulting folder to ``--with-ndk-build''.
IMAGEMAGICK
HARFBUZZ
A copy of HarfBuzz modified to build with the ndk-build system can
also be found at that URL. To build Emacs with HarfBuzz, you must
unpack the following tar archive in that site:
harfbuzz-7.1.0-emacs.tar.gz
and add the resulting folder to ``--with-ndk-build''.
There is a third party port of ImageMagick to Android. Unfortunately,
the port also uses its own patched versions of libpng, libjpeg,