#!/bin/bash

# To use this program, pleas supply an initial image, then the number of cuts
# You want. 

if [ "$#" -ne 3 ]; then
    echo "Usage: $0 <source_image> <output_base_name> <num_sizes>"
    exit 1
fi

width=`identify -ping -format '%w' $1`
height=`identify -ping -format '%h' $1`
no_v_slices=$2
no_h_slices=$3
file_prefix=$4

vert_size=`echo "$height/($no_h_slices+1)" | bc -l`
hort_size=`echo "$width/($no_v_slices+1)" | bc -l`

echo $vert_size
echo $hort_size

for ((size=1; size<=num_sizes; size++)); do
    width=$((size * 100))
    height=$((size * 100))

    output_filename="${output_base_name}_${width}x${height}.jpg"
    
    # Use 'convert' command to resize the image
    convert "$source_image" -resize "${width}x${height}" "$output_filename"

    echo "Created: $output_filename"
done

echo "All images created successfully."