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 # if !GLIB_CHECK_VERSION (2, 22, 0)
  37 #  define g_mapped_file_unref g_mapped_file_free
  38 # endif
  39 #endif
  40 #include <stdlib.h>
  41 #include <stdio.h>
  42
  43 int
  44 main (int argc, char **argv)
  45 {
  46   hb_blob_t *blob = NULL;
  47
  48   if (argc != 2) {
  49     fprintf (stderr, "usage: %s font-file\n", argv[0]);
  50     exit (1);
  51   }
  52
  53   /* Create the blob */
  54   {
  55     const char *font_data;
  56     unsigned int len;
  57     hb_destroy_func_t destroy;
  58     void *user_data;
  59     hb_memory_mode_t mm;
  60
  61 #ifdef HAVE_GLIB
  62     GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL);
  63     font_data = g_mapped_file_get_contents (mf);
  64     len = g_mapped_file_get_length (mf);
  65     destroy = (hb_destroy_func_t) g_mapped_file_unref;
  66     user_data = (void *) mf;
  67     mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE;
  68 #else
  69     FILE *f = fopen (argv[1], "rb");
  70     fseek (f, 0, SEEK_END);
  71     len = ftell (f);
  72     fseek (f, 0, SEEK_SET);
  73     font_data = (const char *) malloc (len);
  74     if (!font_data) len = 0;
  75     len = fread ((char *) font_data, 1, len, f);
  76     destroy = free;
  77     user_data = (void *) font_data;
  78     fclose (f);
  79     mm = HB_MEMORY_MODE_WRITABLE;
  80 #endif
  81
  82     blob = hb_blob_create (font_data, len, mm, user_data, destroy);
  83   }
  84
  85   /* Create the face */
  86   hb_face_t *face = hb_face_create (blob, 0 /* first face */);
  87   hb_blob_destroy (blob);
  88   blob = NULL;
  89
  90   unsigned int p[5];
  91   bool ret = hb_ot_layout_get_size_params (face, p, p+1, p+2, p+3, p+4);
  92
  93   printf ("%g %u %u %g %g\n", p[0]/10., p[1], p[2], p[3]/10., p[4]/10.);
  94
  95   return !ret;
  96 }