third_party/harfbuzz-ng/src/test-size-params.cc

   1 /*
   2  * Copyright © 2010,2011  Google, Inc.
   3  *
   4  *  This is part of HarfBuzz, a text shaping library.
   5  *
   6  * Permission is hereby granted, without written agreement and without
   7  * license or royalty fees, to use, copy, modify, and distribute this
   8  * software and its documentation for any purpose, provided that the
   9  * above copyright notice and the following two paragraphs appear in
  10  * all copies of this software.
  11  *
  12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  16  * DAMAGE.
  17  *
  18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  23  *
  24  * Google Author(s): Behdad Esfahbod
  25  */
  26
  27 #ifdef HAVE_CONFIG_H
  28 #include "config.h"
  29 #endif
  30
  31 #include "hb.h"
  32 #include "hb-ot.h"
  33
  34 #ifdef HAVE_GLIB
  35 #include <glib.h>
  36 #endif
  37 #include <stdlib.h>
  38 #include <stdio.h>
  39
  40 int
  41 main (int argc, char **argv)
  42 {
  43   hb_blob_t *blob = NULL;
  44
  45   if (argc != 2) {
  46     fprintf (stderr, "usage: %s font-file\n", argv[0]);
  47     exit (1);
  48   }
  49
  50   /* Create the blob */
  51   {
  52     const char *font_data;
  53     unsigned int len;
  54     hb_destroy_func_t destroy;
  55     void *user_data;
  56     hb_memory_mode_t mm;
  57
  58 #ifdef HAVE_GLIB
  59     GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
  60     font_data = g_mapped_file_get_contents (mf);
  61     len = g_mapped_file_get_length (mf);
  62     destroy = (hb_destroy_func_t) g_mapped_file_unref;
  63     user_data = (void *) mf;
  64     mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
  65 #else
  66     FILE *f = fopen (argv[1], "rb");
  67     fseek (f, 0, SEEK_END);
  68     len = ftell (f);
  69     fseek (f, 0, SEEK_SET);
  70     font_data = (const char *) malloc (len);
  71     if (!font_data) len = 0;
  72     len = fread ((char *) font_data, 1, len, f);
  73     destroy = free;
  74     user_data = (void *) font_data;
  75     fclose (f);
  76     mm = HB_MEMORY_MODE_WRITABLE;
  77 #endif
  78
  79     blob = hb_blob_create (font_data, len, mm, user_data, destroy);
  80   }
  81
  82   /* Create the face */
  83   hb_face_t *face = hb_face_create (blob, 0 /* first face */);
  84   hb_blob_destroy (blob);
  85   blob = NULL;
  86
  87   unsigned int p[5];
  88   bool ret = hb_ot_layout_get_size_params (face, p, p+1, p+2, p+3, p+4);
  89
  90   printf ("%g %u %u %g %g\n", p[0]/10., p[1], p[2], p[3]/10., p[4]/10.);
  91
  92   return !ret;
  93 }