@startuml
skinparam classAttributeIconSize 0
skinparam packageStyle rectangle
skinparam dpi 50

package "Model - Huffman & Compression" {
    class FrequencyTable #64B5F6
    class HuffmanTree #64B5F6
    class CanonicalCode #64B5F6
}

package "Model - Images & Fichiers" {
    class RGBImage #64B5F6
    class BitOutputStream #64B5F6
    class PIFWriter #64B5F6
}

package "Controller" {
    class ConverterController #FFA500
    class ThreadSauvegardePIF #FFA500
}

package "View - Interface" {
    class ConverterWindow #66BB6A
}

' Relations principales
ConverterController --> RGBImage : charge
ConverterController --> FrequencyTable : calcule
ConverterController --> HuffmanTree : génère
ConverterController --> CanonicalCode : construit
ConverterController --> ConverterWindow : met à jour

ConverterWindow --> ThreadSauvegardePIF : lance

ThreadSauvegardePIF --> PIFWriter : déclenche
PIFWriter --> BitOutputStream : utilise
PIFWriter --> RGBImage : encode

@enduml