# -*- coding: utf-8 -*-
from PIL import Image
src = r"e:\MCStudioDownload\work\3027246179@qq.com\Cpp\AddOn\309c2d420bc84ee986db9cdd070ff02a\_sa_hanhua_out\_tmp\jianbing_gen.jpg"
dst = r"e:\MCStudioDownload\work\3027246179@qq.com\Cpp\AddOn\309c2d420bc84ee986db9cdd070ff02a\resource_pack_t7eJjrxY\textures\items\jianbing.png"
im = Image.open(src).convert("RGBA")
# 生成图为 JPG，无透明通道；先裁切到主体并缩放到16x16等比例，再把背景置为透明
# 直接等比缩放整图到16x16（原图为方形，保持比例不变形）
resized = im.resize((16, 16), Image.LANCZOS)
# 对接近白色的背景擦除为透明（JPG无alpha）
pix = resized.load()
for y in range(16):
    for x in range(16):
        r, g, b, a = pix[x, y]
        if r > 245 and g > 240 and b > 230:
            pix[x, y] = (r, g, b, 0)
resized.save(dst)
print("saved", resized.size)