import os import requests from tqdm import tqdm import shutil from PIL import Image, ImageOps import numpy as np import cv2 def resize_image_aspect_ratio(image): # 元の画像サイズを取得 original_width, original_height = image.size # アスペクト比を計算 aspect_ratio = original_width / original_height # 標準のアスペクト比サイズを定義 sizes = { 1: (1024, 1024), # 正方形 4/3: (1152, 896), # 横長画像 3/2: (1216, 832), 16/9: (1344, 768), 21/9: (1568, 672), 3/1: (1728, 576), 1/4: (512, 2048), # 縦長画像 1/3: (576, 1728), 9/16: (768, 1344), 2/3: (832, 1216), 3/4: (896, 1152) } # 最も近いアスペクト比を見つける closest_aspect_ratio = min(sizes.keys(), key=lambda x: abs(x - aspect_ratio)) target_width, target_height = sizes[closest_aspect_ratio] # リサイズ処理 resized_image = image.resize((target_width, target_height), Image.LANCZOS) return resized_image def base_generation(size, color): canvas = Image.new("RGBA", size, color) return canvas