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11 Commits

Author SHA1 Message Date
Khaled Hosny eb4075a1ed [style] Fix documentation 
Message documentation a bit to get it working.
 2021-09-13 10:10:10 -06:00
Khaled Hosny 4d9b7de0b6 [style] Prepare for release 2021-09-13 10:10:10 -06:00
Khaled Hosny 34ff2d3ea6 Fix build with -Dexperimental_api=true 
../src/hb-style.cc:102:32: error: no matching function for call to 'hb_style_get_value'
    return _hb_angle_to_ratio (hb_style_get_value (HB_STYLE_TAG_SLANT_ANGLE));
                               ^~~~~~~~~~~~~~~~~~
../src/hb-style.cc:99:1: note: candidate function not viable: requires 2 arguments, but 1 was provided
hb_style_get_value (hb_font_t *font, hb_tag_t tag)
^

and

../src/hb-style.cc:80:1: error: unused function '_hb_ratio_to_angle' [-Werror,-Wunused-function]
_hb_ratio_to_angle (float r)
^
 2021-09-11 00:12:03 +02:00
Behdad Esfahbod 39c20d2b9e [style] Add HB_STYLE_TAG_SLANT_RATIO 2021-09-10 04:59:16 -06:00
Behdad Esfahbod 201cbe3c66 [style] Rename HB_STYLE_TAG_SLANT to HB_STYLE_TAG_SLANT_ANGLE 2021-09-10 04:59:16 -06:00
Behdad Esfahbod a23ce28977 [style] Fall back to GPOS 'size' feature for optical size in style API 2021-09-10 04:59:16 -06:00
Khaled Hosny a3fe43a410 [docs] Hide private enum values 
"/*< skip >*/" does not seem to hide them.
 2020-12-30 23:06:18 +02:00
Ebrahim Byagowi a3b9b94b63
[style] Remove fdsc support (#2541) 
It isn't exposed yet and low use between Apple fonts,
32 fdsc table vs 767 OS/2 tables, even Apple doesn't
support it anymore per Ned.
 2020-07-06 00:05:21 +04:30
Ebrahim Byagowi 759df46575 [style] Hide behind HB_EXPERIMENTAL_API compile flag 2020-06-04 20:33:39 +04:30
Ebrahim Byagowi de0ec5f4fe [style] give ptem value when asked for opsz 
ptem, used for AAT's tracking/`trak` table is equivalent to opsz of variable fonts.

For variable AAT fonts, such as SFNS, ideally variable axis of the hb_font_t
should be set and equivalent to ptem, https://crbug.com/1005969#c37
 2020-06-04 20:33:39 +04:30
Ebrahim Byagowi 22037499b4 [style] New experimental API, hb_style_get_value 
Searches variation axes of a hb_font_t object for a specific axis first,
if not set, then tries to get default style values from different
tables of the font.
 2020-06-04 20:33:39 +04:30