[pango: 1/2] Add system-ui generic family support

[Matthias Clasen <matthiasc src gnome org>]

commit 91054248b82bb756569dbfd05112ec54c2c1d8ba
Author: Akira TAGOH <akira tagoh org>
Date:   Wed Jul 24 15:19:33 2019 +0000

    Add system-ui generic family support

 pango/pangocoretext-fontmap.c | 12 ++++++++++++
 pango/pangofc-fontmap.c       | 12 ++++++++++--
 pango/pangowin32-fontmap.c    |  8 +++++++-
 3 files changed, 29 insertions(+), 3 deletions(-)
---
diff --git a/pango/pangocoretext-fontmap.c b/pango/pangocoretext-fontmap.c
index dae0c136..240cb47a 100644
--- a/pango/pangocoretext-fontmap.c
+++ b/pango/pangocoretext-fontmap.c
@@ -136,6 +136,16 @@ get_real_family (const char *family_name)
 {
   switch (family_name[0])
     {
+    case 'c':
+    case 'C':
+      if (g_ascii_strcasecmp (family_name, "cursive") == 0)
+       return "Apple Chancery";
+      break;
+    case 'f':
+    case 'F':
+      if (g_ascii_strcasecmp (family_name, "fantasy") == 0)
+       return "Papyrus";
+      break;
     case 'm':
     case 'M':
       if (g_ascii_strcasecmp (family_name, "monospace") == 0)
@@ -147,6 +157,8 @@ get_real_family (const char *family_name)
        return "Helvetica";
       else if (g_ascii_strcasecmp (family_name, "serif") == 0)
        return "Times";
+      else if (g_ascii_strcasecmp (family_name, "system-ui") == 0)
+       return "San Francisco";
       break;
     }
 
diff --git a/pango/pangofc-fontmap.c b/pango/pangofc-fontmap.c
index 0659b078..6ac75ef8 100644
--- a/pango/pangofc-fontmap.c
+++ b/pango/pangofc-fontmap.c
@@ -1291,13 +1291,20 @@ is_alias_family (const char *family_name)
 {
   switch (family_name[0])
     {
+    case 'c':
+    case 'C':
+      return (g_ascii_strcasecmp (family_name, "cursive") == 0);
+    case 'f':
+    case 'F':
+      return (g_ascii_strcasecmp (family_name, "fantasy") == 0);
     case 'm':
     case 'M':
       return (g_ascii_strcasecmp (family_name, "monospace") == 0);
     case 's':
     case 'S':
       return (g_ascii_strcasecmp (family_name, "sans") == 0 ||
-             g_ascii_strcasecmp (family_name, "serif") == 0);
+             g_ascii_strcasecmp (family_name, "serif") == 0 ||
+             g_ascii_strcasecmp (family_name, "system-ui") == 0);
     }
 
   return FALSE;
@@ -1339,7 +1346,7 @@ pango_fc_font_map_list_families (PangoFontMap      *fontmap,
       FcPatternDestroy (pat);
       FcObjectSetDestroy (os);
 
-      priv->families = g_new (PangoFcFamily *, fontset->nfont + 3); /* 3 standard aliases */
+      priv->families = g_new (PangoFcFamily *, fontset->nfont + 4); /* 4 standard aliases */
       temp_family_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
 
       count = 0;
@@ -1387,6 +1394,7 @@ pango_fc_font_map_list_families (PangoFontMap      *fontmap,
       priv->families[count++] = create_family (fcfontmap, "Sans", FC_PROPORTIONAL);
       priv->families[count++] = create_family (fcfontmap, "Serif", FC_PROPORTIONAL);
       priv->families[count++] = create_family (fcfontmap, "Monospace", FC_MONO);
+      priv->families[count++] = create_family (fcfontmap, "System-ui", FC_PROPORTIONAL);
 
       priv->n_families = count;
     }
diff --git a/pango/pangowin32-fontmap.c b/pango/pangowin32-fontmap.c
index 976a36cb..63d70c36 100644
--- a/pango/pangowin32-fontmap.c
+++ b/pango/pangowin32-fontmap.c
@@ -462,6 +462,9 @@ static const char * const builtin_aliases[] = {
  "mono = \"dejavu sans mono,courier new,lucida console,courier monothai,mingliu,simsun,gulimche,ms 
gothic,sylfaen,kartika,latha,mangal,raavi\"",
   "monospace = \"dejavu sans mono,courier new,lucida console,courier monothai,mingliu,simsun,gulimche,ms 
gothic,sylfaen,kartika,latha,mangal,raavi\"",
   "emoji = \"segoe ui emoji,segoe ui symbol,segoe ui\"",
+  "cursive = \"commic sans ms\"",
+  "fantasy = \"gabriola,impact\"",
+  "system-ui = \"yu gothic ui,segoe ui,meiryo\"",
 };
 
 static void
@@ -734,10 +737,13 @@ _pango_win32_font_map_init (PangoWin32FontMap *win32fontmap)
 
   g_hash_table_foreach (win32fontmap->families, synthesize_foreach, win32fontmap);
 
-  /* Create synthetic "Sans", "Serif" and "Monospace" families */
+  /* Create synthetic "Sans", "Serif", "Monospace", "Cursive", "Fantasy" and "System-ui" families */
   create_standard_family (win32fontmap, "Sans");
   create_standard_family (win32fontmap, "Serif");
   create_standard_family (win32fontmap, "Monospace");
+  create_standard_family (win32fontmap, "Cursive");
+  create_standard_family (win32fontmap, "Fantasy");
+  create_standard_family (win32fontmap, "System-ui");
 
   win32fontmap->resolution = (PANGO_SCALE / (double) GetDeviceCaps (_pango_win32_hdc, LOGPIXELSY)) * 72.0;
 }