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/*
* Copyright © 2010,2011 Google, Inc.
*
* 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.
*
* Google Author(s): Behdad Esfahbod
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "hb.h"
#ifdef HAVE_GLIB
# include <glib.h>
# if !GLIB_CHECK_VERSION (2, 22, 0)
# define g_mapped_file_unref g_mapped_file_free
# endif
#endif
#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
int
main (int argc, char **argv)
{
hb_blob_t *blob = NULL;
if (argc != 2) {
fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
exit (1);
}
/* Create the blob */
{
const char *font_data;
unsigned int len;
hb_destroy_func_t destroy;
void *user_data;
hb_memory_mode_t mm;
#ifdef HAVE_GLIB
GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
font_data = g_mapped_file_get_contents (mf);
len = g_mapped_file_get_length (mf);
destroy = (hb_destroy_func_t) g_mapped_file_unref;
user_data = (void *) mf;
mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
#else
FILE *f = fopen (argv[1], "rb");
fseek (f, 0, SEEK_END);
len = ftell (f);
fseek (f, 0, SEEK_SET);
font_data = (const char *) malloc (len);
if (!font_data) len = 0;
len = fread ((char *) font_data, 1, len, f);
destroy = free;
user_data = (void *) font_data;
fclose (f);
mm = HB_MEMORY_MODE_WRITABLE;
#endif
blob = hb_blob_create (font_data, len, mm, user_data, destroy);
}
printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob));
/* Create the face */
hb_face_t *face = hb_face_create (blob, 0 /* first face */);
hb_blob_destroy (blob);
blob = NULL;
unsigned int upem = hb_face_get_upem (face);
hb_font_t *font = hb_font_create (face);
hb_font_set_scale (font, upem, upem);
#ifdef HAVE_FREETYPE
hb_ft_font_set_funcs (font);
#endif
hb_buffer_t *buffer = hb_buffer_create ();
hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1);
hb_buffer_guess_segment_properties (buffer);
hb_shape (font, buffer, NULL, 0);
unsigned int count = hb_buffer_get_length (buffer);
hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
for (unsigned int i = 0; i < count; i++)
{
hb_glyph_info_t *info = &infos[i];
hb_glyph_position_t *pos = &positions[i];
printf ("cluster %d glyph 0x%x at (%d,%d)+(%d,%d)\n",
info->cluster,
info->codepoint,
pos->x_offset,
pos->y_offset,
pos->x_advance,
pos->y_advance);
}
hb_buffer_destroy (buffer);
hb_font_destroy (font);
hb_face_destroy (face);
return 0;
}
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