godot-docs/classes/class_richtexteffect.rst

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.. _class_RichTextEffect:

RichTextEffect
==============

**Inherits:** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`

A custom effect for use with :ref:`RichTextLabel<class_RichTextLabel>`.

.. rst-class:: classref-introduction-group

Description
-----------

A custom effect for use with :ref:`RichTextLabel<class_RichTextLabel>`.

\ **Note:** For a **RichTextEffect** to be usable, a BBCode tag must be defined as a member variable called ``bbcode`` in the script.

::

    # The RichTextEffect will be usable like this: `[example]Some text[/example]`
    var bbcode = "example"

\ **Note:** As soon as a :ref:`RichTextLabel<class_RichTextLabel>` contains at least one **RichTextEffect**, it will continuously process the effect unless the project is paused. This may impact battery life negatively.

.. rst-class:: classref-introduction-group

Tutorials
---------

- :doc:`../tutorials/ui/bbcode_in_richtextlabel`

- `https://github.com/Eoin-ONeill-Yokai/Godot-Rich-Text-Effect-Test-Project <https://github.com/Eoin-ONeill-Yokai/Godot-Rich-Text-Effect-Test-Project>`__

.. rst-class:: classref-reftable-group

Methods
-------

.. table::
   :widths: auto

   +-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>` | :ref:`_process_custom_fx<class_RichTextEffect_method__process_custom_fx>` **(** :ref:`CharFXTransform<class_CharFXTransform>` char_fx **)** |virtual| |
   +-------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------+

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Method Descriptions
-------------------

.. _class_RichTextEffect_method__process_custom_fx:

.. rst-class:: classref-method

:ref:`bool<class_bool>` **_process_custom_fx** **(** :ref:`CharFXTransform<class_CharFXTransform>` char_fx **)** |virtual|

Override this method to modify properties in ``char_fx``. The method must return ``true`` if the character could be transformed successfully. If the method returns ``false``, it will skip transformation to avoid displaying broken text.

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`