@startuml
skinparam packageStyle rectangle
skinparam classAttributeIconSize 0


' ============================
' PACKAGE mimage
' ============================
package mimage {

class Pixel {
    - int r
    - int g
    - int b
    + Pixel(int r, int g, int b)
    + int getR()
    + int getG()
    + int getB()
    + void setR(int r)
    + void setG(int g)
    + void setB(int b)
}

class RGBImage {
    - int width
    - int height
    - Pixel[][] pixels
    + RGBImage(int width, int height)
    + int getWidth()
    + int getHeight()
    + Pixel getPixel(int x, int y)
    + void setPixel(int x, int y, Pixel p)
}

}

' ============================
' PACKAGE mhuffman
' ============================
package mhuffman {

class FrequencyTable {
    - int[] freqR
    - int[] freqG
    - int[] freqB
    + FrequencyTable()
    + void computeFromImage(RGBImage img)
    + int[] getRed()
    + int[] getGreen()
    + int[] getBlue()
}

class HuffmanNode {
    + int value
    + int frequency
    + HuffmanNode left
    + HuffmanNode right
    + boolean isLeaf()
}

class HuffmanTree {
    - HuffmanNode root
    + HuffmanTree(FrequencyTable freq, char component)
    + Map<Integer,String> generateCodes()
}

class CanonicalCode {
    - Map<Integer,Integer> codeLengths
    - Map<Integer,String> canonicalCodes
    + CanonicalCode(Map<Integer,String> huffmanCodes)
    + String getCode(int value)
    + int getLength(int value)
}

FrequencyTable --> RGBImage
HuffmanTree --> HuffmanNode
CanonicalCode --> HuffmanTree

}

' ============================
' PACKAGE util
' ============================
package util {

class BitInputStream {
    - InputStream in
    - int currentByte
    - int bitPosition
    + BitInputStream(InputStream in)
    + int readBit()
    + int readBits(int n)
    + void close()
}

class BitOutputStream {
    - OutputStream out
    - int currentByte
    - int bitCount
    + BitOutputStream(OutputStream out)
    + void writeBit(int bit)
    + void writeBits(int value, int n)
    + void flush()
    + void close()
}

class ByteUtils {
    + static int toInt(byte high, byte low)
    + static byte[] toBytes(int value)
}

class FileUtils {
    + static boolean isPIFFile(File f)
    + static byte[] readBinaryFile(String path)
}

}

' ============================
' PACKAGE vconverter
' ============================
package vconverter {

class ConverterWindow {
    + void setImagePreview(RGBImage img)
    + void setFrequencyTable(int[] r, int[] g, int[] b)
    + void setHuffmanTable(Map<Integer,String> red,
                           Map<Integer,String> green,
                           Map<Integer,String> blue)
    + void setCanonicalTable(CanonicalCode r, CanonicalCode g, CanonicalCode b)
}

class PreviewPanel {
    - RGBImage image
    + void setImage(RGBImage img)
}

class FrequencyTablePanel {
    + void updateFrequencies(int[] r, int[] g, int[] b)
}

class CodeTablePanel {
    + void updateCodes(Map<Integer,String> hR,
                       Map<Integer,String> hG,
                       Map<Integer,String> hB,
                       CanonicalCode cR,
                       CanonicalCode cG,
                       CanonicalCode cB)
}

ConverterWindow --> PreviewPanel
ConverterWindow --> FrequencyTablePanel
ConverterWindow --> CodeTablePanel

}

' ============================
' CONTROLLER (Sprint 1)
' ============================
class ConverterController {
    + void loadImage(String path)
    + void computeFrequencies()
    + void computeHuffman()
    + void computeCanonical()
    + void saveAsPIF(String path)  'encore vide pour Sprint 1
}

ConverterController --> RGBImage
ConverterController --> FrequencyTable
ConverterController --> HuffmanTree
ConverterController --> CanonicalCode

@enduml