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