Add AC/BC RTCP programs and 3D machine manager

scripts/subset_rtcp_beginner_fonts.py

@@ -0,0 +1,28 @@
+"""Embed only the authored Unicode codepoints, avoiding CJK radical aliases."""
+import html
+import shutil
+from pathlib import Path
+from fontTools import subset
+from fontTools.ttLib import TTFont
+
+ROOT=Path(__file__).resolve().parents[1]
+OUT=ROOT/'docs/teaching/rtcp-beginners'
+characters=set(html.unescape((OUT/'handbook.html').read_text()))
+for style in ['Regular','Bold']:
+    font=TTFont(f'/usr/share/fonts/opentype/noto/NotoSansCJK-{style}.ttc',fontNumber=2)
+    options=subset.Options()
+    options.name_IDs=['*'];options.name_legacy=True;options.name_languages=['*']
+    tool=subset.Subsetter(options=options);tool.populate(unicodes={ord(c) for c in characters});tool.subset(font)
+    for record in font['name'].names:
+        replacement={1:'RtcpHandbookCJK',2:style,3:f'RtcpHandbookCJK-{style}',4:f'RtcpHandbookCJK {style}',6:f'RtcpHandbookCJK-{style}'}.get(record.nameID)
+        if replacement:
+            record.string=replacement.encode(record.getEncoding())
+    if 'CFF ' in font:
+        cff=font['CFF '].cff
+        cff.fontNames=[f'RtcpHandbookCJK-{style}']
+        cff.topDictIndex[0].FamilyName='RtcpHandbookCJK'
+        cff.topDictIndex[0].FullName=f'RtcpHandbookCJK {style}'
+    font.save(OUT/f'assets/handbook-{style.lower()}.otf')
+    font.close()
+shutil.copyfile('/usr/share/doc/fonts-noto-cjk/copyright',OUT/'assets/font-license.txt')
+print('Embedded SC fonts subset to',len(characters),'authored characters')