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 #endif 36 #include <stdlib.h> 37 #include <stdio.h> 38 39 #ifdef HAVE_FREETYPE 40 #include "hb-ft.h" 41 #endif 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.ttf\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 printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob)); 86 87 /* Create the face */ 88 hb_face_t *face = hb_face_create (blob, 0 /* first face */); 89 hb_blob_destroy (blob); 90 blob = NULL; 91 unsigned int upem = hb_face_get_upem (face); 92 93 hb_font_t *font = hb_font_create (face); 94 hb_font_set_scale (font, upem, upem); 95 96 #ifdef HAVE_FREETYPE 97 hb_ft_font_set_funcs (font); 98 #endif 99 100 hb_buffer_t *buffer = hb_buffer_create (); 101 102 hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1); 103 104 hb_shape (font, buffer, NULL, 0); 105 106 unsigned int count = hb_buffer_get_length (buffer); 107 hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL); 108 hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL); 109 110 for (unsigned int i = 0; i < count; i++) 111 { 112 hb_glyph_info_t *info = &infos[i]; 113 hb_glyph_position_t *pos = &positions[i]; 114 115 printf ("cluster %d glyph 0x%x at (%d,%d)+(%d,%d)\n", 116 info->cluster, 117 info->codepoint, 118 pos->x_offset, 119 pos->x_offset, 120 pos->x_advance, 121 pos->y_advance); 122 123 } 124 125 hb_buffer_destroy (buffer); 126 hb_font_destroy (font); 127 hb_face_destroy (face); 128 129 return 0; 130 } 131 132 133
