Mercurial > repos > blastem
annotate nuklear_ui/sfnt.c @ 1848:ef3d368d59b0
16-bit wide save RAM is stored in memory byteswapped for performance reasons, but saving it to disc that way isn't great. Swap before save/after load to fix
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 23 Apr 2019 18:37:08 -0700 |
parents | 098c11aaf8f0 |
children | 369a52e302e2 |
rev | line source |
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1527
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Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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1 #include <stddef.h> |
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2 #include <string.h> |
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3 #include <stdlib.h> |
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4 #include "sfnt.h" |
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5 #include "../util.h" |
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6 |
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7 static uint32_t big32(uint8_t *src) |
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8 { |
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9 uint32_t ret = *(src++) << 24; |
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10 ret |= *(src++) << 16; |
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11 ret |= *(src++) << 8; |
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12 ret |= *src; |
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13 return ret; |
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14 } |
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15 |
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16 static uint32_t big16(uint8_t *src) |
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17 { |
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18 uint32_t ret = *(src++) << 8; |
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19 ret |= *src; |
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20 return ret; |
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21 } |
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22 |
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23 #define MIN_RESOURCE_MAP_SIZE (16 + 12 + 2 + 8) |
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24 |
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25 sfnt_container *load_sfnt(uint8_t *buffer, uint32_t size) |
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26 { |
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27 if (size < 0x100) { |
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28 return NULL; |
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29 } |
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30 uint32_t sfnt_res_count, sfnt_res_offset, res_offset; |
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31 uint8_t type; |
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32 if (!memcmp(buffer, "true", 4) || !memcmp(buffer, "OTTO", 4) || !memcmp(buffer, "typ1", 4) || !memcmp(buffer, "\0\x01\0\0", 4)) { |
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33 type = CONTAINER_TTF; |
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34 } else if (!memcmp(buffer, "ttcf", 4)) { |
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35 type = CONTAINER_TTC; |
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36 } else { |
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37 static uint8_t all_zeroes[16]; |
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38 uint32_t resource_map_off = big32(buffer + 4); |
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Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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39 if (resource_map_off + MIN_RESOURCE_MAP_SIZE > size) { |
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Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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40 return NULL; |
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41 } |
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42 //first 16 bytes of map should match header or be all zeroes |
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43 if (memcmp(buffer, buffer + resource_map_off, 16) && memcmp(all_zeroes, buffer + resource_map_off, 16)) { |
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44 return NULL; |
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45 } |
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46 uint32_t type_start_off = resource_map_off + big16(buffer + resource_map_off + 24); |
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47 if (type_start_off + sizeof(uint16_t) > size) { |
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48 return NULL; |
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49 } |
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50 uint32_t num_types = 1 + big16(buffer + type_start_off); |
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51 if (type_start_off + sizeof(uint16_t) + 8 * num_types > size) { |
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52 return NULL; |
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53 } |
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54 res_offset = big32(buffer); |
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55 if (res_offset > size) { |
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56 return NULL; |
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57 } |
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58 uint8_t *cur = buffer + type_start_off + 2; |
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59 sfnt_res_count = 0; |
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60 for (uint32_t i = 0; i < num_types; i++, cur += 8) |
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61 { |
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62 if (!memcmp("sfnt", cur, 4)) { |
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63 sfnt_res_count = 1 + big16(cur + 4); |
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64 sfnt_res_offset = type_start_off + big16(cur + 6); |
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65 if (sfnt_res_offset + sfnt_res_count * 12 > size) { |
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66 return NULL; |
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67 } |
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68 type = CONTAINER_DFONT; |
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69 break; |
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70 } |
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71 } |
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72 if (!sfnt_res_count) { |
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73 //No "sfnt" resources in this dfont |
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74 return NULL; |
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75 } |
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76 } |
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77 sfnt_container *sfnt = calloc(1, sizeof(sfnt_container)); |
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78 sfnt->blob = buffer; |
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79 sfnt->size = size; |
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80 sfnt->container_type = type; |
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81 switch (type) |
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82 { |
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83 case CONTAINER_TTF: |
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84 sfnt->num_fonts = 1; |
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85 sfnt->tables = calloc(1, sizeof(sfnt_table)); |
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86 sfnt->tables->container = sfnt; |
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87 sfnt->tables->data = buffer + 0xC; |
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88 sfnt->tables->num_entries = big16(buffer + 4); |
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89 sfnt->tables->offset = 0; |
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90 break; |
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91 case CONTAINER_TTC: { |
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92 sfnt->num_fonts = big32(buffer+8); |
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93 sfnt->tables = calloc(sfnt->num_fonts, sizeof(sfnt_table)); |
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94 uint8_t *offsets = buffer + 0xC; |
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95 for (int i = 0; i < sfnt->num_fonts; i++, offsets += sizeof(uint32_t)) |
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96 { |
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97 uint32_t offset = big32(offsets); |
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98 sfnt->tables[i].data = buffer + offset + 0xC; |
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99 sfnt->tables[i].container = sfnt; |
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100 sfnt->tables[i].num_entries = big16(buffer + offset + 4); |
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101 sfnt->tables[i].offset = 0; |
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102 } |
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103 break; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
104 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
105 case CONTAINER_DFONT:{ |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
106 sfnt->num_fonts = sfnt_res_count; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
107 sfnt->tables = calloc(sfnt->num_fonts, sizeof(sfnt_table)); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
108 uint8_t *cur = buffer + sfnt_res_offset; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
109 for (int i = 0; i < sfnt->num_fonts; i++, cur += 12) |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
110 { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
111 uint32_t offset = res_offset + (big32(cur + 4) & 0xFFFFFF); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
112 if (offset + 4 > size) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
113 sfnt->tables[i].num_entries = 0; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
114 sfnt->tables[i].data = NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
115 continue; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
116 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
117 uint32_t res_size = big32(buffer + offset); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
118 if (offset + 4 + res_size > size || res_size < 0xC) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
119 sfnt->tables[i].num_entries = 0; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
120 sfnt->tables[i].data = NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
121 continue; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
122 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
123 sfnt->tables[i].container = sfnt; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
124 sfnt->tables[i].data = buffer + offset + 4 + 0xC; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
125 sfnt->tables[i].num_entries = big16(buffer + offset + 4 + 4); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
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changeset
|
126 sfnt->tables[i].offset = offset + 4; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
127 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
128 break; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
129 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
130 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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|
131 return sfnt; |
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Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
132 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
133 |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
134 uint8_t *sfnt_find_table(sfnt_table *sfnt, char *table, uint32_t *size_out) |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
135 { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
136 uint8_t *entry = sfnt->data; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
137 for (int i = 0; i < sfnt->num_entries; i++, entry += 16) |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
138 { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
139 if (!strncmp(entry, table, 4)) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
140 if (size_out) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
141 *size_out = big32(entry + 12); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
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changeset
|
142 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
143 return sfnt->container->blob + sfnt->offset + big32(entry + 8); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
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changeset
|
144 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
145 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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|
146 return NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
147 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
148 |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
149 char *sfnt_name(sfnt_table *sfnt, uint16_t name_type) |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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diff
changeset
|
150 { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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changeset
|
151 uint32_t name_size; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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152 uint8_t *name_table = sfnt_find_table(sfnt, "name", &name_size); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
153 if (!name_table) { |
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Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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|
154 return NULL; |
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Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
155 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
156 uint16_t num_names = big16(name_table + 2); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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changeset
|
157 if ((6 + num_names *12) > name_size) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
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changeset
|
158 //count is too big for the name table size, abort |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
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changeset
|
159 return NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
160 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
161 uint8_t *entry = name_table + 6; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
162 uint16_t name_length = 0, name_offset; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
163 uint8_t *unicode_entry = NULL, *macroman_entry = NULL, *winunicode_entry = NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
164 for (uint16_t i = 0; i < num_names; i++, entry += 12) |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
165 { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
166 if (big16(entry + 6) != name_type) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
167 continue; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
168 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
169 uint16_t language_id = big16(entry + 4); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
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parents:
diff
changeset
|
170 if (language_id >= 0x8000) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
171 //ingore language tag records |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
172 continue; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
173 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
174 uint16_t platform_id = big16(entry); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
175 if (platform_id == 0) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
176 //prefer Unicode first |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
177 unicode_entry = entry; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
178 break; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
179 } else if (platform_id == 3 && big16(entry + 2) < 2) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
180 if (!winunicode_entry || (language_id & 0xFF) == 0x09) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
181 winunicode_entry = entry; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
182 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
183 } else if (platform_id == 1 && big16(entry + 2) == 0) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
184 if (!macroman_entry || (language_id == 0)) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
185 macroman_entry = entry; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
186 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
187 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
188 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
189 entry = unicode_entry ? unicode_entry : winunicode_entry ? winunicode_entry : macroman_entry; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
190 if (entry) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
191 name_length = big16(entry + 8); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
192 name_offset = big16(entry + 10); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
193 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
194 if (!name_length) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
195 return NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
196 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
197 uint32_t full_off = name_offset + big16(name_table + 4); |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
198 if ((full_off + name_length) > name_size) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
199 return NULL; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
200 } |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
201 if (entry == macroman_entry) { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
202 //TODO: convert these properly to UTF-8 |
1559
098c11aaf8f0
Fix silly bug in handling of Mac Roman font names. Make Mac font search more exhaustive if the faster prefix check fails. Added a bunch of debug printfs in case those aren't sufficient to get things working on other machines
Michael Pavone <pavone@retrodev.com>
parents:
1527
diff
changeset
|
203 char *ret = malloc(name_length + 1); |
1527
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
204 memcpy(ret, name_table + full_off, name_length); |
1559
098c11aaf8f0
Fix silly bug in handling of Mac Roman font names. Make Mac font search more exhaustive if the faster prefix check fails. Added a bunch of debug printfs in case those aren't sufficient to get things working on other machines
Michael Pavone <pavone@retrodev.com>
parents:
1527
diff
changeset
|
205 ret[name_length] = 0; |
1527
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
206 return ret; |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
207 } else { |
4f6e8acd7b6a
Added support for TTC and dfont format true type fonts. More robust font selection on Windows
Michael Pavone <pavone@retrodev.com>
parents:
diff
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208 return utf16be_to_utf8(name_table + full_off, name_length/2); |
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209 } |
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210 } |
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211 |
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212 uint8_t *sfnt_flatten(sfnt_table *sfnt, uint32_t *size_out) |
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213 { |
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214 uint8_t *ret = NULL;; |
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215 sfnt_container *cont = sfnt->container; |
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216 switch(cont->container_type) |
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217 { |
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218 case CONTAINER_TTF: |
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219 ret = cont->blob; |
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220 if (size_out) { |
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221 *size_out = cont->size; |
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222 } |
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223 break; |
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224 case CONTAINER_TTC: |
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225 memmove(cont->blob, sfnt->data - 0xC, 0xC + sfnt->num_entries * 12); |
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226 ret = cont->blob; |
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227 if (size_out) { |
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228 *size_out = cont->size; |
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229 } |
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230 break; |
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231 case CONTAINER_DFONT:{ |
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232 uint8_t * start = sfnt->data - 0xC; |
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233 uint32_t size = big32(start - 4); |
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234 if (size + (start-cont->blob) > cont->size) { |
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235 size = cont->size - (start-cont->blob); |
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236 } |
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237 ret = malloc(size); |
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238 memcpy(ret, start, size); |
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239 free(cont->blob); |
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240 if (size_out) { |
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241 *size_out = size; |
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242 } |
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243 break; |
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244 } |
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245 } |
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246 free(cont->tables); |
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247 free(cont); |
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248 return ret; |
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249 } |
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250 |
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251 sfnt_table *sfnt_subfamily_by_names(sfnt_container *sfnt, const char **names) |
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252 { |
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253 for (int i = 0; i < sfnt->num_fonts; i++) |
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254 { |
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255 for (const char **name = names; *name; name++) |
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256 { |
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257 char *font_subfam = sfnt_name(sfnt->tables + i, SFNT_SUBFAMILY); |
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258 if (font_subfam && !strcasecmp(*name, font_subfam)) { |
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259 free(font_subfam); |
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260 return sfnt->tables + i; |
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261 } |
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262 free(font_subfam); |
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263 } |
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264 } |
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265 return NULL; |
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266 } |
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267 |
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268 void sfnt_free(sfnt_container *sfnt) |
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269 { |
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270 free(sfnt->tables); |
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271 free(sfnt->blob); |
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272 free(sfnt); |
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273 } |