diff options
Diffstat (limited to 'docs/tmpl/glyphs.sgml')
| -rw-r--r-- | docs/tmpl/glyphs.sgml | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/docs/tmpl/glyphs.sgml b/docs/tmpl/glyphs.sgml index 1232cd36..ebf5fafa 100644 --- a/docs/tmpl/glyphs.sgml +++ b/docs/tmpl/glyphs.sgml @@ -194,6 +194,36 @@ A #PangoGlyph represents a single glyph in the output form of a string. </para> +<!-- ##### MACRO PANGO_GLYPH_EMPTY ##### --> +<para> +The %PANGO_GLYPH_EMPTY macro represents a #PangoGlyph value that has a +special meaning, which is a zero-width empty glyph. This is useful for +example in shaper modules, to use as the glyph for various zero-width +Unicode characters (those passing pango_is_zero_width()). +</para> + + + +<!-- ##### MACRO PANGO_GLYPH_UNKNOWN_FLAG ##### --> +<para> +The %PANGO_GLYPH_UNKNOWN_FLAG macro is a flag value that can be added to +a #gunichar value of a valid Unicode character, to produce a #PangoGlyph +value, representing an unknown-character glyph for the respective #gunichar. +</para> + + + +<!-- ##### MACRO PANGO_GET_UNKNOWN_GLYPH ##### --> +<para> +Returns a #PangoGlyph value that means no glyph was found for @wc. +The way this unknown glyphs are rendered is backend specific. For example, +a box with the hexadecimal Unicode code-point of the character written in it +is what is done in the most common backends. +</para> + +@wc: a Unicode character + + <!-- ##### STRUCT PangoGlyphInfo ##### --> <para> The #PangoGlyphInfo structure represents a single glyph together with |