Mercurial > repos > blastem
annotate nuklear_ui/font_mac.m @ 1537:b4914d92308b nuklear_ui
Added OSX implementation of default_font
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 25 Mar 2018 10:30:40 -0700 |
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children | 098c11aaf8f0 |
rev | line source |
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1537
b4914d92308b
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1 #import <AppKit/AppKit.h> |
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2 #include <stddef.h> |
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3 #include "../paths.h" |
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4 #include "../util.h" |
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5 #include "sfnt.h" |
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6 |
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7 sfnt_table *find_font_in_dir(char *path, char *prefix, const char *ps_name) |
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8 { |
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9 size_t num_entries; |
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10 dir_entry *entries = get_dir_list(path, &num_entries); |
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11 size_t prefix_len = strlen(prefix); |
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12 sfnt_table *selected = NULL; |
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13 for (size_t i = 0; i < num_entries && !selected; i++) |
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14 { |
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15 char *ext = path_extension(entries[i].name); |
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16 if (!ext || (strcasecmp(ext, "ttf") && strcasecmp(ext, "ttc") && strcasecmp(ext, "dfont"))) { |
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17 //not a truetype font, ignore |
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18 free(ext); |
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19 continue; |
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20 } |
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21 free(ext); |
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22 if (!strncasecmp(entries[i].name, prefix, prefix_len)) { |
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23 char *full_path = path_append(path, entries[i].name); |
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24 FILE *f = fopen(full_path, "rb"); |
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25 if (f) |
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26 { |
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27 long font_size = file_size(f); |
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28 uint8_t *blob = malloc(font_size); |
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29 if (font_size == fread(blob, 1, font_size, f)) |
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30 { |
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31 sfnt_container *sfnt = load_sfnt(blob, font_size); |
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32 if (sfnt) { |
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33 for (uint8_t j = 0; j < sfnt->num_fonts && !selected; j++) |
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34 { |
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35 char *cur_ps = sfnt_name(sfnt->tables + j, SFNT_POSTSCRIPT); |
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36 if (!strcmp(cur_ps, ps_name)) { |
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37 selected = sfnt->tables + j; |
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38 } |
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39 free(cur_ps); |
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40 } |
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41 } else { |
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42 free(blob); |
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43 } |
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44 } else { |
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45 free(blob); |
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46 } |
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47 fclose(f); |
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48 } |
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49 free(full_path); |
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50 } |
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51 } |
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52 return selected; |
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53 } |
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54 |
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55 uint8_t *default_font(uint32_t *size_out) |
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56 { |
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57 NSFont *sys = [NSFont systemFontOfSize:0]; |
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58 NSString *name = [sys fontName]; |
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59 const char *ps_name = [name UTF8String]; |
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60 const unsigned char *prefix_start = (const unsigned char *)ps_name; |
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61 while(*prefix_start && ( |
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62 *prefix_start < '0' || |
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63 (*prefix_start > 'z' && *prefix_start <= 0x80) || |
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64 (*prefix_start > 'Z' && *prefix_start < 'a') || |
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65 (*prefix_start > '9' && *prefix_start < 'A') |
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66 )) |
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67 { |
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68 prefix_start++; |
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69 } |
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70 if (!*prefix_start) { |
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71 //Didn't find a suitable starting character, just start from the beginning |
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72 prefix_start = (const unsigned char *)ps_name; |
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73 } |
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74 const unsigned char *prefix_end = (const unsigned char *)prefix_start + 1; |
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75 while (*prefix_end && *prefix_end >= 'a') |
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76 { |
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77 prefix_end++; |
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78 } |
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79 char *prefix = malloc(prefix_end - prefix_start + 1); |
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80 memcpy(prefix, prefix_start, prefix_end - prefix_start); |
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81 prefix[prefix_end-prefix_start] = 0; |
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82 //check /Library/Fonts first |
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83 sfnt_table *selected = find_font_in_dir("/Library/Fonts", (char *)prefix, ps_name); |
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84 if (!selected) { |
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85 selected = find_font_in_dir("/System/Library/Fonts", (char *)prefix, ps_name); |
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86 } |
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87 if (!selected) { |
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88 fatal_error("Failed to find system font %s using prefix %s\n", ps_name, prefix); |
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89 } |
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90 free(prefix); |
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91 return sfnt_flatten(selected, size_out); |
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92 } |
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93 |