Spritesheet numbering script

drawnums.py

'''
Adds numbers to a sprite sheet for easy reference.
'''
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw

if __name__ == '__main__':
    TILE_SIZE = 16
    
    img = Image.open('spritesheet.png')
    draw = ImageDraw.Draw(img)
    font = ImageFont.truetype('font.ttf', 8)
    
    counter = 1
    
    for y in range(img.height / TILE_SIZE):
        for x in range(img.width / TILE_SIZE):
            draw.text((x * TILE_SIZE + 1, y * TILE_SIZE), str(counter), (0, 0, 0), font=font)
            draw.text((x * TILE_SIZE, y * TILE_SIZE + 1), str(counter), (0, 0, 0), font=font)
            draw.text((x * TILE_SIZE, y * TILE_SIZE), str(counter), (255, 0, 255), font=font)
            counter += 1
    
    img.save('spritesheet_numbered.png')