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Commit da748df

makelove makelove

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创建图片

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ch04-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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	`1`	`+# -- coding: utf-8 --`
	`2`	`+# @Time : 2018年3月27日 19:19`
	`3`	`+# @Author : play4fun`
	`4`	`+# @File : 创建图片1.py`
	`5`	`+# @Software: PyCharm`
	`6`	`+`
	`7`	`+"""`
	`8`	`+创建图片1.py:`
	`9`	`+"""`
	`10`	`+`
	`11`	`+import numpy as np`
	`12`	`+import cv2`
	`13`	`+`
	`14`	`+size = (2560, 1600)`
	`15`	`+# 全黑.可以用在屏保`
	`16`	`+black = np.zeros(size)`
	`17`	`+cv2.imwrite('black.jpg',black)`
	`18`	`+`
	`19`	`+#white`
	`20`	`+black[:]=255`
	`21`	`+cv2.imwrite('white.jpg',black)`

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