T12d Data Display: QrCode, Barcode, Meter, Gauge, UsageBar, Stars, Comparison (review pending: codex 401)

tasks/ch11-20.md

@@ -80,14 +80,14 @@
 
 ## T12d Data Display · Codes & measures
 
-- [ ] QRCode
-- [ ] Barcode
-- [ ] ColorSwatch display → `forms::ColorSwatch`
-- [ ] Meter
-- [ ] Gauge
-- [ ] UsageBar
-- [ ] Rating display → `forms::Rating`
-- [ ] Comparison
+- [x] QRCode → `data_display::QrCode`
+- [x] Barcode → `data_display::Barcode`: Code 128 and EAN-13
+- [x] ColorSwatch display → `forms::ColorSwatch`
+- [x] Meter → `data_display::Meter`
+- [x] Gauge → `data_display::Gauge`
+- [x] UsageBar → `data_display::UsageBar`
+- [x] Rating display → `data_display::Stars`, read only with parts of a star; `forms::Rating` sets a score
+- [x] Comparison → `data_display::Comparison`
 
 ## T13 Lists & Trees — `src/lists`