pyqtgraph/examples/GLTextItem.py

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Add "GLTextItem" (#1776) * Add GLTextItem * Fixed DocString. * Delete unnecessary function. * Add `from .items.GLTextItem import *` * Add an example. * [Combines two `isinstance()` into one.](https://github.com/pyqtgraph/pyqtgraph/pull/1776#discussion_r633046120) * [Combines two `isinstance()` into one.](https://github.com/pyqtgraph/pyqtgraph/pull/1776#discussion_r633046120) * [The long code has been broken up into separate lines.](https://github.com/pyqtgraph/pyqtgraph/pull/1776#discussion_r633046234) * [Moved `pos`, `color`, `text`, and `font` to the `__init__` method.](https://github.com/pyqtgraph/pyqtgraph/pull/1776#discussion_r633047216) * Add `import initExample` and fix `mkQApp().exec_()` to `pg.exec()` (https://github.com/pyqtgraph/pyqtgraph/pull/1776#discussion_r633046878, https://github.com/pyqtgraph/pyqtgraph/pull/1776#discussion_r633046781) * Fix `pg.exec()` to `pg.mkQApp().exec()` * Revert "Fix `pg.exec()` to `pg.mkQApp().exec()`" This reverts commit 67d397d8033f3fe0cc27468ea96fe61dc29cc78b. * Remove type-hints. * Fix `glColor4d(float(self.color[0]), float(self.color[1]), float(self.color[2]), float(self.color[3]))` to `glColor4d(*self.color)` * Add `value = fn.glColor(value)` * Remove debug print. * Add GLGridItem and GLAxisItem * Remove if-check for "color" argument * Draw text without using GLUT. * Divide the text position by the device pixel ratio * Fixed bare exceptions to ValueError and TypeError. * Add 'GLTextItem.py' to utils.py. * Fixed a bare exception to ArgumentErrror. * Add `__all__ = ['GLTextItem']`
2021-06-05 15:19:54 +00:00
# -*- coding: utf-8 -*-
"""
Simple examples demonstrating the use of GLTextItem.
"""
import initExample
import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui, mkQApp
import pyqtgraph.opengl as gl
app = mkQApp("GLTextItem Example")
gvw = gl.GLViewWidget()
gvw.show()
gvw.setWindowTitle('pyqtgraph example: GLTextItem')
griditem = gl.GLGridItem()
griditem.setSize(10, 10)
griditem.setSpacing(1, 1)
gvw.addItem(griditem)
axisitem = gl.GLAxisItem()
gvw.addItem(axisitem)
txtitem1 = gl.GLTextItem(pos=(0.0, 0.0, 0.0), text='text1')
gvw.addItem(txtitem1)
txtitem2 = gl.GLTextItem()
txtitem2.setData(pos=(1.0, -1.0, 2.0), color=(127, 255, 127, 255), text='text2')
gvw.addItem(txtitem2)
if __name__ == '__main__':
pg.exec()