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 33 #ifdef HAVE_GLIB 34 # include <glib.h> 35 # if !GLIB_CHECK_VERSION (2, 22, 0) 36 # define g_mapped_file_unref g_mapped_file_free 37 # endif 38 #endif 39 #include <stdlib.h> 40 #include <stdio.h> 41 42 #ifdef HAVE_FREETYPE 43 #include "hb-ft.h" 44 #endif 45 46 int 47 main (int argc, char **argv) 48 { 49 hb_blob_t *blob = NULL; 50 51 if (argc != 2) { 52 fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); 53 exit (1); 54 } 55 56 /* Create the blob */ 57 { 58 const char *font_data; 59 unsigned int len; 60 hb_destroy_func_t destroy; 61 void *user_data; 62 hb_memory_mode_t mm; 63 64 #ifdef HAVE_GLIB 65 GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL); 66 font_data = g_mapped_file_get_contents (mf); 67 len = g_mapped_file_get_length (mf); 68 destroy = (hb_destroy_func_t) g_mapped_file_unref; 69 user_data = (void *) mf; 70 mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE; 71 #else 72 FILE *f = fopen (argv[1], "rb"); 73 fseek (f, 0, SEEK_END); 74 len = ftell (f); 75 fseek (f, 0, SEEK_SET); 76 font_data = (const char *) malloc (len); 77 if (!font_data) len = 0; 78 len = fread ((char *) font_data, 1, len, f); 79 destroy = free; 80 user_data = (void *) font_data; 81 fclose (f); 82 mm = HB_MEMORY_MODE_WRITABLE; 83 #endif 84 85 blob = hb_blob_create (font_data, len, mm, user_data, destroy); 86 } 87 88 printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob)); 89 90 /* Create the face */ 91 hb_face_t *face = hb_face_create (blob, 0 /* first face */); 92 hb_blob_destroy (blob); 93 blob = NULL; 94 unsigned int upem = hb_face_get_upem (face); 95 96 hb_font_t *font = hb_font_create (face); 97 hb_font_set_scale (font, upem, upem); 98 99 #ifdef HAVE_FREETYPE 100 hb_ft_font_set_funcs (font); 101 #endif 102 103 hb_buffer_t *buffer = hb_buffer_create (); 104 105 hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1); 106 hb_buffer_guess_segment_properties (buffer); 107 108 hb_shape (font, buffer, NULL, 0); 109 110 unsigned int count = hb_buffer_get_length (buffer); 111 hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL); 112 hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL); 113 114 for (unsigned int i = 0; i < count; i++) 115 { 116 hb_glyph_info_t *info = &infos[i]; 117 hb_glyph_position_t *pos = &positions[i]; 118 119 printf ("cluster %d glyph 0x%x at (%d,%d)+(%d,%d)\n", 120 info->cluster, 121 info->codepoint, 122 pos->x_offset, 123 pos->x_offset, 124 pos->x_advance, 125 pos->y_advance); 126 127 } 128 129 hb_buffer_destroy (buffer); 130 hb_font_destroy (font); 131 hb_face_destroy (face); 132 133 return 0; 134 } 135 136 137
