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@@ -1,2 +1,47 @@
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-# pillow
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+## Pillow
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+
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+图像处理
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+
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+## Usage
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+
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+创建图片
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+
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+```
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+from PIL import Image
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+
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+image = Image.open('python-logo.png')
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+print(image.format, image.size, image.mode) # 查看图像实例的属性
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+image.show() # 显示图像
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+
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+
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+f, _ = os.path.splitext(image_path)
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+outfile = f + ".jpg"
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+try:
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+ Image.open(image_path).save(outfile) # 修改文件格式
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+except IOError:
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+ print("无法转换", image_path)
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+
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+```
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+
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+
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+
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+处理图片
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+
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+```
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+def roll(image, delta):
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+ xsize, ysize = image.size
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+ delta = delta % xsize
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+ if delta == 0:
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+ return image
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+ part1 = image.crop((0, 0, delta, ysize))
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+ part2 = image.crop((delta, 0, xsize, ysize))
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+ image.paste(part1, (xsize - delta, 0, xsize, ysize))
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+ image.paste(part2, (0, 0, xsize - delta, ysize))
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+ return image
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+
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+image_path = 'test.jpg'
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+im = Image.open(image_path)
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+roll(im, 300).show() # 向侧面滚动300像素
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+
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+```
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