Draw areas in an atlas image.

draw_spine_atlas_regions.py

from PIL import Image, ImageDraw

def parse_atlas_data(text):
    lines = text.split("\n")
    line_id = 0
    items = []
    meta = {}
    curr_item = None
    meta_read = False
    while line_id < len(lines):
        line = lines[line_id]
        line_id += 1
        
        if ':' not in line:
            if curr_item is not None:
                if not meta_read:
                    meta_read = True
                    meta = curr_item
                else:    
                    items.append(curr_item)
            curr_item = None
            if line.strip() != "":
                curr_item = {
                    "name": line.strip()
                }
        else:
            (key, val) = line.strip().split(":")
            curr_item[key.strip()] = val.strip()
    if curr_item is not None:
        items.append(curr_item)
    return (meta, items)

atlas_data = open("file.atlas", encoding="utf-8").read()
im = Image.open("file.png")
print(im.format, im.size, im.mode)

(_, items) = parse_atlas_data(atlas_data)
draw = ImageDraw.Draw(im)
for item in items:
    name = item["name"]
    (x, y) = list(map(int, item["xy"].split(",")))
    (sizex, sizey) = list(map(int, item["size"].split(",")))
    if item["rotate"] == "true":
        (sizex, sizey) = (sizey, sizex)
    draw.rectangle((x, y, x + sizex, y + sizey), outline=(0, 255, 255))
    draw.text((x,y), name, fill=(0, 0, 0))

im.show()