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#ifdef HAVE_FREETYPE 44#include "hb-ft.h" 45#endif 46 47int 48main (int argc, char **argv) 49{ 50 hb_blob_t *blob = NULL; 51 52 if (argc != 4 && argc != 5) { 53 fprintf (stderr, "usage: %s font-file lookup-index first-glyph [second-glyph]\n", argv[0]); 54 exit (1); 55 } 56 57 /* Create the blob */ 58 { 59 const char *font_data; 60 unsigned int len; 61 hb_destroy_func_t destroy; 62 void *user_data; 63 hb_memory_mode_t mm; 64 65#ifdef HAVE_GLIB 66 GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL); 67 font_data = g_mapped_file_get_contents (mf); 68 len = g_mapped_file_get_length (mf); 69 destroy = (hb_destroy_func_t) g_mapped_file_unref; 70 user_data = (void *) mf; 71 mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE; 72#else 73 FILE *f = fopen (argv[1], "rb"); 74 fseek (f, 0, SEEK_END); 75 len = ftell (f); 76 fseek (f, 0, SEEK_SET); 77 font_data = (const char *) malloc (len); 78 if (!font_data) len = 0; 79 len = fread ((char *) font_data, 1, len, f); 80 destroy = free; 81 user_data = (void *) font_data; 82 fclose (f); 83 mm = HB_MEMORY_MODE_WRITABLE; 84#endif 85 86 blob = hb_blob_create (font_data, len, mm, user_data, destroy); 87 } 88 89 /* Create the face */ 90 hb_face_t *face = hb_face_create (blob, 0 /* first face */); 91 hb_blob_destroy (blob); 92 blob = NULL; 93 94 hb_font_t *font = hb_font_create (face); 95#ifdef HAVE_FREETYPE 96 hb_ft_font_set_funcs (font); 97#endif 98 99 unsigned int len = argc - 3; 100 hb_codepoint_t glyphs[2]; 101 if (!hb_font_glyph_from_string (font, argv[3], -1, &glyphs[0]) || 102 (argc > 4 && 103 !hb_font_glyph_from_string (font, argv[4], -1, &glyphs[1]))) 104 return 2; 105 return !hb_ot_layout_lookup_would_substitute (face, strtol (argv[2], NULL, 0), glyphs, len, false); 106} 107