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import sys
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import cv2
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import numpy as np
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import matplotlib.pyplot as plt
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def warpAffine(img_path, matSrc, matDst):
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img = cv2.imread(img_path, 1)
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height, width = img.shape[:2]
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M = cv2.getAffineTransform(np.float32(matSrc), np.float32(matDst)) # 生成矩阵
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result = cv2.warpAffine(img, M, (width, height))
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cv2.imwrite('./output/warpAffine.jpg', result)
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'''
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输入：一张图片，旋转前三个点的坐标matSrc，旋转后三个点的坐标matDst
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输出：仿射变换后的图片
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'''
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if __name__ == '__main__':
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warpAffine(sys.argv[1], eval(sys.argv[2]), eval(sys.argv[3]))
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