harfbuzz/src/test-ot-glyph.cc

85 lines
2.8 KiB
C++

/*
* Copyright © 2019 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#include "hb-ot.h"
#ifdef HB_NO_OPEN
#define hb_blob_create_from_file(x) hb_blob_get_empty ()
#endif
#include <stdlib.h>
#include <stdio.h>
int
main (int argc, char **argv)
{
if (argc != 2)
{
fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
exit (1);
}
hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
unsigned int num_faces = hb_face_count (blob);
if (num_faces == 0)
{
fprintf (stderr, "error: The file (%s) was corrupted, empty or not found", argv[1]);
exit (1);
}
for (unsigned int face_index = 0; face_index < hb_face_count (blob); face_index++)
{
hb_face_t *face = hb_face_create (blob, face_index);
hb_font_t *font = hb_font_create (face);
unsigned int glyph_count = hb_face_get_glyph_count (face);
for (unsigned int gid = 0; gid < glyph_count; ++gid)
{
hb_ot_glyph_path_point_t points[200];
unsigned int points_len = 200;
printf ("\ngid %d, points count: %d\n", gid, hb_ot_glyph_get_outline_path (font, gid, 0, &points_len, points));
hb_glyph_extents_t extents = {0};
hb_font_get_glyph_extents (font, gid, &extents);
char name[100];
sprintf (name, "%d.svg", gid);
FILE *f = fopen (name, "wb");
int factor = 1;
if (extents.height < 0) factor = -1;
fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
" viewBox=\"0 0 %d %d\"><path d=\"", extents.width, extents.height * factor);
for (unsigned i = 0; i < points_len; ++i)
if (points[i].cmd == 'Z') fprintf (f, "Z");
else fprintf (f, "%c%d,%d", points[i].cmd, points[i].x, (points[i].y + extents.height) * factor);
fprintf (f, "\"/></svg>");
fclose (f);
}
hb_font_destroy (font);
hb_face_destroy (face);
}
hb_blob_destroy (blob);
return 0;
}