MEPxx: Text light markup

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Status

Discussion

Branches and Pull requests

None at the moment, proof of concept only.

Abstract

This MEP proposes to add lightweight markup to the text artist.

Detailed description

Using different size/color/family in a text annotation is difficult because the

`text` method accepts argument for size/color/family/weight/etc. that are used

for the whole text. But, if one wants, for example, to have different colors,

one has to look at the gallery where one such example is provided:

http://matplotlib.org/examples/text_labels_and_annotations/rainbow_text.html

This example takes a list of strings as well as a list of colors which makes it

cumbersome to use. An alternative would be to use a restricted set of pango-like markup (see https://developer.gnome.org/pango/stable/PangoMarkupFormat.html) and to interpret this markup.

Some markup examples::

Implementation

One proof of concept is provided in markup_example.py but it only handles

horizontal direction.

Backward compatibility

None at the moment since it is only a proof of concept

Alternatives

None (to my knowledge)