fix: fix ofl License info and url records

googlefonts · Jan 23, 2024 · 7e15891 · 7e15891
1 parent 3e63084
commit 7e15891
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Showing 2 changed files with 22 additions and 0 deletions.
diff --git a/Lib/gftools/constants.py b/Lib/gftools/constants.py
@@ -85,3 +85,11 @@
   PLATFORM_ID__WINDOWS: "WINDOWS",
   PLATFORM_ID__CUSTOM: "CUSTOM"
 }
+
+OFL_LICENSE_INFO = (
+  "This Font Software is licensed under the SIL Open Font License, "
+  "Version 1.1. This license is available with a FAQ at: "
+  "https://openfontlicense.org"
+)
+
+OFL_LICENSE_URL = "https://openfontlicense.org"
diff --git a/Lib/gftools/fix.py b/Lib/gftools/fix.py
@@ -712,6 +712,18 @@ def fix_nbspace_glyph(ttfont: TTFont):
     cmap = ttfont.getBestCmap()
     if 0x00A0 in cmap:
         return
+
+
+def fix_license_strings(ttfont: TTFont):
+    """Update font's nametable license and license url strings"""
+    from gftools.constants import OFL_LICENSE_URL, OFL_LICENSE_INFO
+    name_table = ttfont["name"]
+    for r in name_table.names:
+        if r.nameID == 13:
+            current_string = r.toUnicode()
+            if "SIL Open Font License" in current_string:
+                name_table.setName(OFL_LICENSE_INFO, r.nameID, r.platformID, r.platEncID, r.langID)
+                name_table.setName(OFL_LICENSE_URL, 14, r.platformID, r.platEncID, r.langID)
 
 
 def fix_font(font, include_source_fixes=False, new_family_name=None, fvar_instance_axis_dflts=None):
@@ -721,6 +733,8 @@ def fix_font(font, include_source_fixes=False, new_family_name=None, fvar_instan
     if fixed_font["OS/2"].version > 1:
         fixed_font["OS/2"].version = 4
 
+    fix_license_strings(fixed_font)
+
     if "fpgm" in fixed_font:
         fix_hinted_font(fixed_font)
     else: