Impression CUPS réelle + stickers/cadres de démo

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Service printer :
- crop_to_ratio() : recadrage auto au ratio du format
- prepare_for_print() : crop + resize aux pixels exacts (300 DPI)
- print_image() : envoi via lp à CUPS avec le bon nombre de copies
- list_printers() : détection des imprimantes disponibles

Print screen :
- Impression dans un thread (pas de freeze UI)
- Feedback : "Envoi à l'imprimante..." → "Impression terminée" / erreur
- Gestion des erreurs CUPS

Assets de démo :
- 5 stickers (heart, star, smile, thumbsup, camera)
- 2 cadres (gold, white)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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This commit is contained in:

Jules

2026-03-22 00:03:40 +01:00

parent 1583021af1

commit 378a9a44d5

9 changed files with 197 additions and 8 deletions

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