1fcft_rasterize_grapheme_utf32(3)     fcft     fcft_rasterize_grapheme_utf32(3)
2
3
4

NAME

6       fcft_rasterize_grapheme_utf32 - rasterize glyph(s) for a  grapheme
7       cluster
8

SYNOPSIS

10       #include <fcft/fcft.h>
11
12       const struct fcft_grapheme *fcft_rasterize_grapheme_utf32(
13           struct fcft_font *font, size_t len, const uint32_t grapheme_clus‐
14           ter[static len], enum fcft_subpixel subpixel);
15

DESCRIPTION

17       fcft_rasterize_grapheme_utf32() rasterizes the grapheme cluster cluster
18       using the primary font, or one of the fallback fonts, in font.
19
20       Each cluster element is an UTF-32 encoded Unicode codepoint.
21
22       The fonts are searched for all codepoints in the grapheme cluster,
23       starting with the primary font and then the custom fallback fonts, and
24       finally the FontConfig provided fallback fonts.
25
26       subpixel allows you to specify which subpixel mode to use. See
27       fcft_rasterize_char_utf32() for details.
28

RETURN VALUE

30       On error, NULL is returned.
31
32       On success, a pointer to a rasterized grapheme is returned. The
33       grapheme is cached in fcft, making subsequent calls with the same argu‐
34       ments very fast (i.e. there is no need for programs to cache glyphs by
35       themselves).
36
37       The grapheme object is managed by font. There is no need to explicitly
38       free it; it is freed when font is destroyed (with fcft_destroy()).
39
40           struct fcft_grapheme {
41               int cols;
42
43               size_t count;
44               const struct fcft_glyph **glyphs;
45           };
46
47       cols is the number of "columns" the glyph occupies (effectively, wc‐
48       swidth(cluster)).
49
50       glyphs is an array of count rasterized glyphs. See fcft_raster‐
51       ize_char_utf32() for a description of struct fcft_glyph.
52

SEE ALSO

54       fcft_destroy(), fcft_rasterize_char_utf32(), fcft_raster‐
55       ize_text_run_utf32()
56
57
58
593.1.6                             2023-07-14  fcft_rasterize_grapheme_utf32(3)
Impressum