从Kivy的内存中加载图像 [英] Load image from memory in Kivy

问题描述

我在内存中有一种图片格式(从pyplot输出)，我想通过Kivy在Android上直接显示它，但是我不想创建图片文件.有什么办法吗?在pyplot上，我可以通过将对象写入对象来生成类似对象的文件，但是我不知道如何将其放入Kivy.

I have a picture in memory a format (output from pyplot) and I want to directly show it on the Android through Kivy, but I don't want to create a picture file. Is there any way to do this? On pyplot I am able to generate the file like object by writing it the object, but I don't know how to put it into Kivy.

推荐答案

您可以使用StringIO将文件保存到缓冲区中(请参阅:

You could save the file into a buffer with StringIO (see this: Binary buffer in Python).

类似的东西:

from StringIO import StringIO
buff = StringIO()
plt.savefig(buff)
buff.seek(0)
from kivy.core.image.img_pygame import ImageLoaderPygame
imgdata = ImageLoaderPygame(buff)._data

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