23 lines
593 B
Python
23 lines
593 B
Python
#!/usr/bin/env python
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# -*- coding: UTF-8 -*-
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"""
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@Project ：trinity_client
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@File ：conversion_image.py
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@Author ：周成融
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@Date ：2023/8/21 10:40:29
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@detail ：
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"""
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import numpy as np
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def rgb_to_rgba(rgb_size, rgb_image, mask):
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alpha_channel = np.full(rgb_size, 255, dtype=np.uint8)
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# 创建四通道的结果图像
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rgba_image = np.dstack((rgb_image, alpha_channel))
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alpha_channel = np.where(mask > 0, 255, 0)
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# 更新RGBA图像的透明度通道
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rgba_image[:, :, 3] = alpha_channel
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return rgba_image
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if __name__ == '__main__':
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image = open("") |