87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include <ft2build.h>
|
||
|
|
#include FT_FREETYPE_H
|
||
|
|
|
||
|
|
#include <hb.h>
|
||
|
|
#include <hb-ot.h>
|
||
|
|
#include <hb-ft.h>
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int argc,
|
||
|
|
char** argv)
|
||
|
|
{
|
||
|
|
FT_Error ft_error;
|
||
|
|
FT_Library ft_library;
|
||
|
|
FT_Face ft_face;
|
||
|
|
|
||
|
|
hb_face_t *face;
|
||
|
|
hb_font_t *font;
|
||
|
|
hb_set_t *lookups;
|
||
|
|
hb_codepoint_t lookup_index;
|
||
|
|
|
||
|
|
hb_set_t *glyphs, *copy;
|
||
|
|
hb_codepoint_t glyph_index;
|
||
|
|
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (argc < 3)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "usage: %s font-file unicode...\n", argv[0]);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
ft_error = FT_Init_FreeType(&ft_library);
|
||
|
|
if (ft_error)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "Calling `FT_Init_FreeType' failed.\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
ft_error = FT_New_Face(ft_library, argv[1], 0, &ft_face);
|
||
|
|
if (ft_error)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "Can't create face for font `%s'\n", argv[1]);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
font = hb_ft_font_create (ft_face, NULL);
|
||
|
|
face = hb_font_get_face (font);
|
||
|
|
|
||
|
|
lookups = hb_set_create();
|
||
|
|
/* Collect ALL lookups. */
|
||
|
|
hb_ot_layout_collect_lookups(face,
|
||
|
|
HB_OT_TAG_GSUB,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
lookups);
|
||
|
|
|
||
|
|
glyphs = hb_set_create();
|
||
|
|
copy = hb_set_create();
|
||
|
|
|
||
|
|
for (i = 2; i < argc; i++)
|
||
|
|
{
|
||
|
|
hb_codepoint_t glyph;
|
||
|
|
if (hb_font_get_glyph (font, strtoul (argv[i], NULL, 16), 0, &glyph))
|
||
|
|
hb_set_add (glyphs, glyph);
|
||
|
|
}
|
||
|
|
|
||
|
|
do {
|
||
|
|
hb_set_set (copy, glyphs);
|
||
|
|
for (lookup_index = -1; hb_set_next(lookups, &lookup_index); )
|
||
|
|
hb_ot_layout_lookup_substitute_closure (face, lookup_index, glyphs);
|
||
|
|
} while (!hb_set_is_equal (copy, glyphs));
|
||
|
|
|
||
|
|
for (glyph_index = -1; hb_set_next(glyphs, &glyph_index); )
|
||
|
|
printf("%d\n", glyph_index);
|
||
|
|
|
||
|
|
hb_set_destroy (copy);
|
||
|
|
hb_set_destroy (glyphs);
|
||
|
|
hb_set_destroy (lookups);
|
||
|
|
hb_font_destroy (font);
|
||
|
|
FT_Done_FreeType (ft_library);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|