#!/bin/bash

# Ask the user to select an image file
file_path=$(zenity --file-selection --title="Select an image")

# demande à l'utilisateur quel niveau de charbonage.
echo "Choisir un niveau de charbonage (1-5):"
read charbonage

# Convert the image to the chosen colorspace
convert "$file_path" -charcoal "$charbonage" "temp.jpg"

# Show a preview of the converted image
xdg-open "temp.jpg"

# Ask the user if they want to keep the converted image
echo "Do you want to save this converted image? (yes/no)"
read answer
if [ "$answer" = "yes" ]; then
    mv "temp.jpg" "$file_path"
else
    rm "temp.jpg"
fi