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annotate nuklear_ui/font_mac.m @ 1971:80920c21bb52

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Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents 18ffa9caa00c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 static 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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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
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11 size_t prefix_len = prefix ? strlen(prefix) : 0;
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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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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
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18 printf("Skipping %s because of its extension\n", entries[i].name);
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19 free(ext);
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20 continue;
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21 }
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22 free(ext);
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23 if (!prefix || !strncasecmp(entries[i].name, prefix, prefix_len)) {
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24 char *full_path = path_append(path, entries[i].name);
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25 FILE *f = fopen(full_path, "rb");
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26 if (f)
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27 {
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28 long font_size = file_size(f);
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29 uint8_t *blob = malloc(font_size);
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30 if (font_size == fread(blob, 1, font_size, f))
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31 {
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32 sfnt_container *sfnt = load_sfnt(blob, font_size);
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33 if (sfnt) {
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34 printf("Examining font file %s\n", entries[i].name);
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35 for (uint8_t j = 0; j < sfnt->num_fonts && !selected; j++)
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36 {
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37 char *cur_ps = sfnt_name(sfnt->tables + j, SFNT_POSTSCRIPT);
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38 printf("\t%s\n", cur_ps);
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39 if (!strcmp(cur_ps, ps_name)) {
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40 selected = sfnt->tables + j;
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41 }
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42 free(cur_ps);
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43 }
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44 } else {
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45 printf("Failed to load %s as sfnt containern\n", entries[i].name);
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46 free(blob);
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47 }
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48 } else {
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49 free(blob);
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50 }
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51 fclose(f);
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52 }
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53 free(full_path);
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54 }
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55 }
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56 return selected;
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57 }
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58
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59 static sfnt_table *find_font_by_ps_name(const char*ps_name, uint8_t exhaustive)
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60 {
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61 const unsigned char *prefix_start = (const unsigned char *)ps_name;
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62 while(*prefix_start && (
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63 *prefix_start < '0' ||
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64 (*prefix_start > 'z' && *prefix_start <= 0x80) ||
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65 (*prefix_start > 'Z' && *prefix_start < 'a') ||
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66 (*prefix_start > '9' && *prefix_start < 'A')
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67 ))
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68 {
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69 prefix_start++;
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70 }
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71 if (!*prefix_start) {
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72 //Didn't find a suitable starting character, just start from the beginning
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73 prefix_start = (const unsigned char *)ps_name;
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74 }
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75 const unsigned char *prefix_end = (const unsigned char *)prefix_start + 1;
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76 while (*prefix_end && *prefix_end >= 'a')
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77 {
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78 prefix_end++;
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79 }
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80 char *prefix = malloc(prefix_end - prefix_start + 1);
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81 memcpy(prefix, prefix_start, prefix_end - prefix_start);
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82 prefix[prefix_end-prefix_start] = 0;
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83 //check /Library/Fonts first
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84 sfnt_table *selected = find_font_in_dir("/Library/Fonts", (char *)prefix, ps_name);
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85 if (!selected) {
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86 selected = find_font_in_dir("/System/Library/Fonts", (char *)prefix, ps_name);
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87 }
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88 if (exhaustive) {
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89 if (!selected) {
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90 puts("Check using prefix failed, exhaustively checking fonts");
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91 selected = find_font_in_dir("/Library/Fonts", NULL, ps_name);
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92 }
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93 if (!selected) {
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94 selected = find_font_in_dir("/System/Library/Fonts", NULL, ps_name);
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95 }
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96 }
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97 free(prefix);
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98 return selected;
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99 }
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100
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101 uint8_t *default_font(uint32_t *size_out)
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102 {
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103 NSFont *sys = [NSFont systemFontOfSize:0];
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104 NSString *name = [sys fontName];
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105 sfnt_table *selected = find_font_by_ps_name([name UTF8String], 1);
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106 if (!selected) {
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107 selected = find_font_by_ps_name(".HelveticaNeueDeskInterface-Regular", 0);
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108 }
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109 if (!selected) {
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110 selected = find_font_by_ps_name(".LucidaGrandeUI", 0);
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111 }
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18ffa9caa00c Added code to fallback to Yosemite or pre-Yosemite system font in case current system font can't be found or is in an unusable format. San Francisco font used on current OS X versions is in a .otf file whih presumably means it has CFF outlines that stb_truetype can't use.
Michael Pavone <pavone@retrodev.com>
parents: 1559
diff changeset
112
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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: 1537
diff changeset
113 if (!selected) {
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18ffa9caa00c Added code to fallback to Yosemite or pre-Yosemite system font in case current system font can't be found or is in an unusable format. San Francisco font used on current OS X versions is in a .otf file whih presumably means it has CFF outlines that stb_truetype can't use.
Michael Pavone <pavone@retrodev.com>
parents: 1559
diff changeset
114 fatal_error("Failed to find system font %s\n", [name UTF8String]);
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b4914d92308b Added OSX implementation of default_font
Michael Pavone <pavone@retrodev.com>
parents:
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115 }
b4914d92308b Added OSX implementation of default_font
Michael Pavone <pavone@retrodev.com>
parents:
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116 return sfnt_flatten(selected, size_out);
b4914d92308b Added OSX implementation of default_font
Michael Pavone <pavone@retrodev.com>
parents:
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117 }
b4914d92308b Added OSX implementation of default_font
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
118