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Pythonで画像処理

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PILの導入

PIL(Python Imaging Library)を使います

PILについてはこちら
http://www.lifewithpython.com/2013/09/pil.html

ダウンロード

http://www.pythonware.com/products/pil/
公式サイトから自分のOSなどにあったものをダウンロードしてください

ダウンロードして、そのフォルダに移動した後に以下の手順でインストールします。

cd Imaging-1.1.7
sudo python setup.py install

画像をマスクする

mask.py
from PIL import Image, ImageOps
mask = Image.open("マスク画像のパス")
org = Image.open("元画像のパス")
sq = ImageOps.fit(sq, (400, 400), method = Image.LANCZOS)
sq.putalpha(mask.convert("L"))
sq.save("丸く切りぬいた画像の保存先のパス")

(おまけ)QRコードを読み書き

http://nixeneko.hatenablog.com/entry/2016/01/25/023703
http://qiita.com/kiyota-yoji/items/7fe134a64177ed708fdd

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