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.. include:: common.txt
:mod:`pygame._sdl2.touch`
=========================
.. module:: pygame._sdl2.touch
:synopsis: pygame module to work with touch input
| :sl:`pygame module to work with touch input`
.. versionadded:: 2 This module requires SDL2.
.. function:: get_num_devices
| :sl:`get the number of touch devices`
| :sg:`get_num_devices() -> int`
Return the number of available touch devices.
.. ## pygame._sdl2.touch.get_num_devices ##
.. function:: get_device
| :sl:`get the a touch device id for a given index`
| :sg:`get_device(index) -> touchid`
:param int index: This number is at least 0 and less than the
:func:`number of devices <pygame._sdl2.touch.get_num_devices()>`.
Return an integer id associated with the given ``index``.
.. ## pygame._sdl2.touch.get_device ##
.. function:: get_num_fingers
| :sl:`the number of active fingers for a given touch device`
| :sg:`get_num_fingers(touchid) -> int`
Return the number of fingers active for the touch device
whose id is `touchid`.
.. ## pygame._sdl2.touch.get_num_fingers ##
.. function:: get_finger
| :sl:`get information about an active finger`
| :sg:`get_finger(touchid, index) -> int`
:param int touchid: The touch device id.
:param int index: The index of the finger to return
information about, between 0 and the
:func:`number of active fingers <pygame._sdl2.touch.get_num_fingers()>`.
Return a dict for the finger ``index`` active on ``touchid``.
The dict contains these keys:
::
id the id of the finger (an integer).
x the normalized x position of the finger, between 0 and 1.
y the normalized y position of the finger, between 0 and 1.
pressure the amount of pressure applied by the finger, between 0 and 1.
.. ## pygame._sdl2.touch.get_finger ##
.. ## pygame._sdl2.touch ##
|
