This commit is contained in:
Behdad Esfahbod 2023-04-22 10:11:22 -06:00
parent b31684dca4
commit 48f8ed7e02
4 changed files with 18 additions and 0 deletions

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@ -40,6 +40,11 @@
* Buffers serve a dual role in HarfBuzz; before shaping, they hold * Buffers serve a dual role in HarfBuzz; before shaping, they hold
* the input characters that are passed to hb_shape(), and after * the input characters that are passed to hb_shape(), and after
* shaping they hold the output glyphs. * shaping they hold the output glyphs.
*
* The input buffer is a sequence of Unicode codepoints, with
* associated attributes such as direction and script. The output
* buffer is a sequence of glyphs, with associated attributes such
* as position and cluster.
**/ **/

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@ -47,6 +47,12 @@
* More precisely, a font face represents a single face in a binary font file. * More precisely, a font face represents a single face in a binary font file.
* Font faces are typically built from a binary blob and a face index. * Font faces are typically built from a binary blob and a face index.
* Font faces are used to create fonts. * Font faces are used to create fonts.
*
* A font face can be created from a binary blob using hb_face_create().
* The face index is used to select a face from a binary blob that contains
* multiple faces. For example, a binary blob that contains both a regular
* and a bold face can be used to create two font faces, one for each face
* index.
**/ **/

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@ -59,6 +59,11 @@
* *
* HarfBuzz provides a built-in set of lightweight default * HarfBuzz provides a built-in set of lightweight default
* functions for each method in #hb_font_funcs_t. * functions for each method in #hb_font_funcs_t.
*
* The default font functions are implemented in terms of the
* #hb_font_funcs_t methods of the parent font object. This allows
* client programs to override only the methods they need to, and
* otherwise inherit the parent font's implementation, if any.
**/ **/

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@ -64,6 +64,8 @@ using OT::Layout::GPOS;
* @include: hb-ot.h * @include: hb-ot.h
* *
* Functions for querying OpenType Layout features in the font face. * Functions for querying OpenType Layout features in the font face.
* See the <ulink url="http://www.microsoft.com/typography/otspec/">OpenType
* specification</ulink> for details.
**/ **/