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annotate nuklear_ui/font_android.c @ 2005:3ce38692a3f2

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Set initial pan bits in YM2612 register array and not just the separate lr field of the channel. This fixes an issue in which some channels would be silent in VGM log output
author Michael Pavone <pavone@retrodev.com>
date Sun, 11 Oct 2020 22:42:10 -0700
parents 78abbabfd58d
children 13abdc98379e c649bcc18487
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1839
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <stdint.h>
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4 #include <limits.h>
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5 #include "../util.h"
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6 #include "../paths.h"
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7 #include "sfnt.h"
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8
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9 typedef enum {
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10 STATE_DEFAULT,
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11 STATE_DECL,
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12 STATE_COMMENT,
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13 STATE_TAG,
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14 STATE_PRE_ATTRIB,
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15 STATE_ATTRIB,
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16 STATE_PRE_VALUE,
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17 STATE_VALUE
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18 } parse_state;
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19
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20 #define DEFAULT_WEIGHT 400
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21
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22 char *default_font_path(void)
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23 {
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24 //Would probably be better to call into Java for this, but this should do for now
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25 FILE *f = fopen("/system/etc/fonts.xml", "rb");
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26 if (!f) {
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27 return NULL;
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28 }
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29 long size = file_size(f);
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30 char *font_xml = malloc(size+1);
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31 if (size != fread(font_xml, 1, size, f)) {
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32 free(font_xml);
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33 fclose(f);
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34 return NULL;
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35 }
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36 fclose(f);
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37 font_xml[size] = 0;
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38
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39 char *last_tag = NULL, *last_attrib = NULL, *last_value = NULL;
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40 uint8_t last_style_was_normal = 0;
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41 char *capture_best = NULL;
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42 char *best = NULL;
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43 int best_weight_diff = INT_MAX;
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44 int last_weight = INT_MAX;
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45 parse_state state = STATE_DEFAULT;
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46 for(char *cur = font_xml; *cur; ++cur) {
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47 switch (state)
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48 {
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49 case STATE_DEFAULT:
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50 if (*cur == '<' && cur[1]) {
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51 cur++;
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52 switch(*cur)
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53 {
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54 case '?':
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55 state = STATE_DECL;
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56 break;
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57 case '!':
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58 if (cur[1] == '-' && cur[2] == '-') {
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59 state = STATE_COMMENT;
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60 cur++;
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61 } else {
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62 debug_message("Invalid comment\n");
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63 cur = font_xml + size - 1;
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64 }
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65 break;
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66 default:
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67 if (capture_best) {
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68 cur[-1] = 0;
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69 best = strip_ws(capture_best);
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70 capture_best = NULL;
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71 best_weight_diff = abs(last_weight - DEFAULT_WEIGHT);
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72 debug_message("Found candidate %s with weight %d\n", best, last_weight);
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73 }
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74 state = STATE_TAG;
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75 last_tag = cur;
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76 last_attrib = NULL;
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77 last_value = NULL;
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78 last_weight = INT_MAX;
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79 break;
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80 }
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81 }
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82 break;
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83 case STATE_DECL:
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84 if (*cur == '?' && cur[1] == '>') {
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85 cur++;
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86 state = STATE_DEFAULT;
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87 }
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88 break;
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89 case STATE_COMMENT:
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90 if (*cur == '-' && cur[1] == '-' && cur[2] == '>') {
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91 cur += 2;
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92 state = STATE_DEFAULT;
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93 }
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94 break;
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95 case STATE_TAG:
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96 if (*cur == ' ' || *cur == '\t' || *cur == '\n' || *cur == '\r') {
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97 *cur = 0;
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98 state = STATE_PRE_ATTRIB;
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99 } else if (*cur == '>') {
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100 *cur = 0;
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101 state = STATE_DEFAULT;
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102 }
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103 break;
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104 case STATE_PRE_ATTRIB:
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105 if (!(*cur == ' ' || *cur == '\t' || *cur == '\n' || *cur == '\r')) {
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106 if (*cur == '>') {
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107 state = STATE_DEFAULT;
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108 if (last_style_was_normal && abs(last_weight - DEFAULT_WEIGHT) < best_weight_diff) {
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109 capture_best = cur + 1;
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110 } else if (best && !strcmp("/family", last_tag)) {
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111 debug_message("found family close tag, stopping search\n");
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112 cur = font_xml + size - 1;
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113 }
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114 } else {
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115 last_attrib = cur;
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116 state = STATE_ATTRIB;
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117 }
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118 }
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119 break;
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120 case STATE_ATTRIB:
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121 if (*cur == '=') {
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122 *cur = 0;
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123 state = STATE_PRE_VALUE;
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124 } else if (*cur == ' ' || *cur == '\t' || *cur == '\n' || *cur == '\r') {
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125 *cur = 0;
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126 }
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127 break;
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128 case STATE_PRE_VALUE:
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129 if (*cur == '"') {
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130 state = STATE_VALUE;
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131 last_value = cur + 1;
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132 }
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133 break;
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134 case STATE_VALUE:
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135 if (*cur == '"') {
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136 *cur = 0;
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137 state = STATE_PRE_ATTRIB;
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138 if (!strcmp("weight", last_attrib)) {
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139 last_weight = atoi(last_value);
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140 } else if (!strcmp("style", last_attrib)) {
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141 last_style_was_normal = !strcmp("normal", last_value);
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142 }
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143 }
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diff changeset
144 break;
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145 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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146 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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147 if (best) {
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148 best = path_append("/system/fonts", best);
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149 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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150 free(font_xml);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
151 return best;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
152 }
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diff changeset
153
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
154 static uint8_t *try_load_font(char *path, uint32_t *size_out)
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
155 {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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156 debug_message("Trying to load font %s\n", path);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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157 FILE *f = fopen(path, "rb");
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
158 free(path);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
159 if (!f) {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
160 return NULL;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
161 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
162 long size = file_size(f);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
163 uint8_t *buffer = malloc(size);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
164 if (size != fread(buffer, 1, size, f)) {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
165 fclose(f);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
166 return NULL;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
167 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
168 fclose(f);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
169 sfnt_container *sfnt = load_sfnt(buffer, size);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
170 if (!sfnt) {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
171 free(buffer);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
172 return NULL;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
173 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
174 return sfnt_flatten(sfnt->tables, size_out);
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diff changeset
175 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
176
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
177 uint8_t *default_font(uint32_t *size_out)
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
178 {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
179 char *path = default_font_path();
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
180 if (!path) {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
181 goto error;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
182 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
183 uint8_t *ret = try_load_font(path, size_out);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
184 if (ret) {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
185 return ret;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
186 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
Michael Pavone <pavone@retrodev.com>
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diff changeset
187 error:
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
188 //try some likely suspects if we failed to parse fonts.xml or failed to find the indicated font
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
189 ret = try_load_font("/system/fonts/Roboto-Regular.ttf", size_out);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
190 if (!ret) {
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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parents:
diff changeset
191 ret = try_load_font("/system/fonts/DroidSans.ttf", size_out);
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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diff changeset
192 }
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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parents:
diff changeset
193 return ret;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
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parents:
diff changeset
194 }