如何使用 matplotlib 全局字体的自定义路径设置自定义字体? [英] how to set up a custom font with custom path to matplotlib global font?

问题描述

我的应用中有一个自定义字体

app_path='/home/user1/myapp'
fname='/home/user1/myapp/font/myfont.ttf'

要为 matplotlib 设置 globlal 字体，文档是这样说的:

To setup globlal font to matplotlib,the docs said like this:

plt.rcParams['font.sans-serif']=['xxx font']

但它仅在系统字体路径中已有字体时才有效，并且我必须在我的应用程序路径中使用我的自定义字体 '/home/user1/myapp/font/myfont.ttf'

But it only works when the font already in system font path,and I have to use my custom font in my app path '/home/user1/myapp/font/myfont.ttf'

我知道有一种方法:

fname='/home/user1/myapp/font/myfont.ttf'
myfont=fm.FontProperties(fname=fname)
ax1.set_title('title test',fontproperties=myfont)

但这不是我想要的，我不想一直设置'fontproperties'，因为有很多代码要更改

But that is not what I want,I don't want to set 'fontproperties' all the time,because there are some much code to change

推荐答案

解决了这个问题:

import matplotlib.font_manager as font_manager

font_dirs = ['/my/custom/font/dir', ]
font_files = font_manager.findSystemFonts(fontpaths=font_dirs)
font_list = font_manager.createFontList(font_files)
font_manager.fontManager.ttflist.extend(font_list)

mpl.rcParams['font.family'] = 'My Custom Font'

fontpaths kwarg 也可以是字符串，以防您只有一个目录可供导入.

The fontpaths kwarg can also be a string in case you only have a single directory to import from.

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