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1.draw_text()

Description

Create a text object on the UNIHIKER screen.

Syntax

GUI.draw_text(x, y, w, text, color, origin, onclick, font_family,font_size,angle)

Parameters

  • x: The x-coordinate where the text is displayed on the UNIHIKER screen.
  • y: The y-coordinate where the text is displayed on the UNIHIKER screen.
  • w: The width of the text displayed on the UNIHIKER screen. If the text exceeds this width, it will automatically wrap - to the next line. This parameter is optional.
  • text: The content to be displayed on the screen.
  • color: The color of the text.
  • origin: The alignment position. Default is the top-left corner.
  • onclick: The callback function triggered when the object is clicked.
  • font_family: The font type of the text.
  • font_size: The font size of the text.
  • angle: The rotation angle of the text.

Return

**Text object

Example Description

In this simple example, our main goal is to display "Hello" at the bottom of UNIHIKER, and bind it with a click callback function. At the same time, a string of blue numbers is displayed on the left side of the UNIHIKER screen.

Hardware Required

Example Code

Instantiate an object of the GUI class within the UNIHIKER class, then invoke the draw_text() function through this object to display and configure the text parameters. 

import time
from unihiker import GUI   #import pack

gui = GUI()  #Instantiate GUI class

# Callback function
def info_text_on_click():
    print("Text was clicked")

info_text = gui.draw_text(x=120, y=320, w=50 ,text='Hello',origin='bottom' ,onclick=info_text_on_click)

info_text2 = gui.draw_text(x=0, y=100, text='1234567890', color='#0000FF')

# Load the font file you downloaded, and the input parameter is the path of the local font file
# Font library download reference website: https://www.fontspace.com/category/led
#font_family = gui.load_font('Segment7-4Gml.otf') 
#gui.draw_text(x=20, y=80, text='13:11', font_size=40, font_family=font_family) #Use the specified font to display

while True:
    # Wait here to prevent program from exiting and stuck
    time.sleep(1)

Program Effect:
image.png