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创建图片
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‎ch04-图片/black.jpg‎

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‎ch04-图片/white.jpg‎

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‎ch04-图片/创建图片1.py‎

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# -*- coding: utf-8 -*-
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# @Time : 2018/3/27 19:19
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# @Author : play4fun
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# @File : 创建图片1.py
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# @Software: PyCharm
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"""
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创建图片1.py:
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"""
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importnumpyasnp
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importcv2
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size= (2560, 1600)
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# 全黑.可以用在屏保
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black=np.zeros(size)
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cv2.imwrite('black.jpg',black)
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#white
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black[:]=255
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cv2.imwrite('white.jpg',black)

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