gfx/harfbuzz/src/test.cc@925c144e1f1f (annotated)
gfx/harfbuzz/src/test.cc
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright © 2010,2011 Google, Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * This is part of HarfBuzz, a text shaping library. |
| michael@0 | 5 | * |
| michael@0 | 6 | * Permission is hereby granted, without written agreement and without |
| michael@0 | 7 | * license or royalty fees, to use, copy, modify, and distribute this |
| michael@0 | 8 | * software and its documentation for any purpose, provided that the |
| michael@0 | 9 | * above copyright notice and the following two paragraphs appear in |
| michael@0 | 10 | * all copies of this software. |
| michael@0 | 11 | * |
| michael@0 | 12 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| michael@0 | 13 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| michael@0 | 14 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| michael@0 | 15 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| michael@0 | 16 | * DAMAGE. |
| michael@0 | 17 | * |
| michael@0 | 18 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| michael@0 | 19 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| michael@0 | 20 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| michael@0 | 21 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| michael@0 | 22 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| michael@0 | 23 | * |
| michael@0 | 24 | * Google Author(s): Behdad Esfahbod |
| michael@0 | 25 | */ |
| michael@0 | 26 | |
| michael@0 | 27 | #ifdef HAVE_CONFIG_H |
| michael@0 | 28 | #include "config.h" |
| michael@0 | 29 | #endif |
| michael@0 | 30 | |
| michael@0 | 31 | #include "hb.h" |
| michael@0 | 32 | |
| michael@0 | 33 | #ifdef HAVE_GLIB |
| michael@0 | 34 | # include <glib.h> |
| michael@0 | 35 | # if !GLIB_CHECK_VERSION (2, 22, 0) |
| michael@0 | 36 | # define g_mapped_file_unref g_mapped_file_free |
| michael@0 | 37 | # endif |
| michael@0 | 38 | #endif |
| michael@0 | 39 | #include <stdlib.h> |
| michael@0 | 40 | #include <stdio.h> |
| michael@0 | 41 | |
| michael@0 | 42 | #ifdef HAVE_FREETYPE |
| michael@0 | 43 | #include "hb-ft.h" |
| michael@0 | 44 | #endif |
| michael@0 | 45 | |
| michael@0 | 46 | int |
| michael@0 | 47 | main (int argc, char **argv) |
| michael@0 | 48 | { |
| michael@0 | 49 | hb_blob_t *blob = NULL; |
| michael@0 | 50 | |
| michael@0 | 51 | if (argc != 2) { |
| michael@0 | 52 | fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]); |
| michael@0 | 53 | exit (1); |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | /* Create the blob */ |
| michael@0 | 57 | { |
| michael@0 | 58 | const char *font_data; |
| michael@0 | 59 | unsigned int len; |
| michael@0 | 60 | hb_destroy_func_t destroy; |
| michael@0 | 61 | void *user_data; |
| michael@0 | 62 | hb_memory_mode_t mm; |
| michael@0 | 63 | |
| michael@0 | 64 | #ifdef HAVE_GLIB |
| michael@0 | 65 | GMappedFile *mf = g_mapped_file_new (argv[1], false, NULL); |
| michael@0 | 66 | font_data = g_mapped_file_get_contents (mf); |
| michael@0 | 67 | len = g_mapped_file_get_length (mf); |
| michael@0 | 68 | destroy = (hb_destroy_func_t) g_mapped_file_unref; |
| michael@0 | 69 | user_data = (void *) mf; |
| michael@0 | 70 | mm = HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE; |
| michael@0 | 71 | #else |
| michael@0 | 72 | FILE *f = fopen (argv[1], "rb"); |
| michael@0 | 73 | fseek (f, 0, SEEK_END); |
| michael@0 | 74 | len = ftell (f); |
| michael@0 | 75 | fseek (f, 0, SEEK_SET); |
| michael@0 | 76 | font_data = (const char *) malloc (len); |
| michael@0 | 77 | if (!font_data) len = 0; |
| michael@0 | 78 | len = fread ((char *) font_data, 1, len, f); |
| michael@0 | 79 | destroy = free; |
| michael@0 | 80 | user_data = (void *) font_data; |
| michael@0 | 81 | fclose (f); |
| michael@0 | 82 | mm = HB_MEMORY_MODE_WRITABLE; |
| michael@0 | 83 | #endif |
| michael@0 | 84 | |
| michael@0 | 85 | blob = hb_blob_create (font_data, len, mm, user_data, destroy); |
| michael@0 | 86 | } |
| michael@0 | 87 | |
| michael@0 | 88 | printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob)); |
| michael@0 | 89 | |
| michael@0 | 90 | /* Create the face */ |
| michael@0 | 91 | hb_face_t *face = hb_face_create (blob, 0 /* first face */); |
| michael@0 | 92 | hb_blob_destroy (blob); |
| michael@0 | 93 | blob = NULL; |
| michael@0 | 94 | unsigned int upem = hb_face_get_upem (face); |
| michael@0 | 95 | |
| michael@0 | 96 | hb_font_t *font = hb_font_create (face); |
| michael@0 | 97 | hb_font_set_scale (font, upem, upem); |
| michael@0 | 98 | |
| michael@0 | 99 | #ifdef HAVE_FREETYPE |
| michael@0 | 100 | hb_ft_font_set_funcs (font); |
| michael@0 | 101 | #endif |
| michael@0 | 102 | |
| michael@0 | 103 | hb_buffer_t *buffer = hb_buffer_create (); |
| michael@0 | 104 | |
| michael@0 | 105 | hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1); |
| michael@0 | 106 | hb_buffer_guess_segment_properties (buffer); |
| michael@0 | 107 | |
| michael@0 | 108 | hb_shape (font, buffer, NULL, 0); |
| michael@0 | 109 | |
| michael@0 | 110 | unsigned int count = hb_buffer_get_length (buffer); |
| michael@0 | 111 | hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL); |
| michael@0 | 112 | hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL); |
| michael@0 | 113 | |
| michael@0 | 114 | for (unsigned int i = 0; i < count; i++) |
| michael@0 | 115 | { |
| michael@0 | 116 | hb_glyph_info_t *info = &infos[i]; |
| michael@0 | 117 | hb_glyph_position_t *pos = &positions[i]; |
| michael@0 | 118 | |
| michael@0 | 119 | printf ("cluster %d glyph 0x%x at (%d,%d)+(%d,%d)\n", |
| michael@0 | 120 | info->cluster, |
| michael@0 | 121 | info->codepoint, |
| michael@0 | 122 | pos->x_offset, |
| michael@0 | 123 | pos->x_offset, |
| michael@0 | 124 | pos->x_advance, |
| michael@0 | 125 | pos->y_advance); |
| michael@0 | 126 | |
| michael@0 | 127 | } |
| michael@0 | 128 | |
| michael@0 | 129 | hb_buffer_destroy (buffer); |
| michael@0 | 130 | hb_font_destroy (font); |
| michael@0 | 131 | hb_face_destroy (face); |
| michael@0 | 132 | |
| michael@0 | 133 | return 0; |
| michael@0 | 134 | } |
| michael@0 | 135 | |
| michael@0 | 136 |
