Here are the classes, structs, unions and interfaces with brief descriptions:

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Pfr
Psoftsf
Pcanscan
Pconstant
CDoubleConstants	Double constants
CFloatConstants	Float constants
CIntConstants	Int constants
CStringConstants	String constants for messages and identifiers
Pmodel
CMode	Application operation modes
Pservice
CDataBuilderService	Service for generating QR code content and default filenames
CDataBuilderServiceUTest	Suite de tests unitaires pour la construction des chaînes de données (MECARD, VEVENT)
CGenerateAndSaveService	Service dedicated to QR code generation and saving
CGenerateAndSaveServiceUTest	Suite de tests unitaires pour le service de génération et de sauvegarde des fichiers QR
CValidationFieldHelperUTest	Suite de tests unitaires pour le service de validation des champs de saisie (UI)
CVersionService	Service for checking if the application version is up to date by querying the GitHub API
Pui
Pworker
CAbstractDynamicWorker	Base class managing asynchronous QR code tasks with a unified workflow
CDynamicPreviewWorker	Asynchronously generates and displays a QR code preview in a Swing UI
CDynamicResizeWorker	Asynchronously resizes a generated QR code image for display in a Swing UI
CGenerateAndSaveWorker	SwingWorker that generates and saves QR codes in a background thread
CColorOperation	Utility class for managing QR code colors and color-related UI operations
CEncodedImage	Thread-safe singleton to hold a shared QR code `BufferedImage`
CFlatLafDatePicker	DatePicker component with FlatLaf styling applied and maintained
CFlatLafTimePicker	TimePicker component with FlatLaf styling applied and maintained
CIFlatLafStyledForLGoodDatePicker	Utility interface to apply FlatLaf styling to LGoodDatePicker components
CLabelIconUtil	Utility for releasing memory used by QR code icons
CMyPopup	Utility for displaying standardized dialogs
CMyPopupUTest	Suite de tests unitaires pour la gestion des fenêtres contextuelles via MyPopup
CShowArgumentErrorDialogTests	Tests relatifs à l'affichage des erreurs d'arguments
CShowDialogTests	Tests relatifs à l'affichage des boîtes de dialogue standards
CShowYesNoConfirmDialogTests	Tests relatifs aux dialogues de confirmation Oui/Non
CSingletonTests	Tests vérifiant l'implémentation du pattern Singleton
CUiComponentsConfiguration	Creating and configuring UI components
Putil
CApplicationMetadata	Application metadata loaded from version.properties
CBrowserHelper	Singleton service for browser operations in Swing applications
CChecker	Centralized argument validation utility for detecting and reporting `null` or blank values
CCoordinateHelper	Validating and formatting geographic coordinates
CCoordinateHelperUTest	Suite de tests unitaires pour la validation et le formatage des coordonnées géographiques
CDateHelper	Produces iCalendar-compliant UTC timestamps (RFC 5545)
CDateHelperUTest	Suite de tests unitaires pour les utilitaires de formatage de dates
CFontManager	Singleton responsible for loading, applying, and scaling custom fonts in the Swing UI
CFontManagerUTest	Unit test suite for typography and scaling management via FontManager
CFrameHelper	Singleton utility for accessing active application frames
CValidationFieldHelper	Validates and sanitizes user input for QR code parameters
CCanScan	CanScan — Swing QR code generator with MECARD, MEET, and FREE modes
CCanScanUTest	Suite de tests unitaires pour la logique principale de CanScan
CNativeImageConfigSimulator	Simulates Native Image configuration behavior for UI testing and preview without generating the actual image