Files
lvgl/examples/widgets/canvas/lv_example_canvas_4.py

45 lines
1020 B
Python

import fs_driver
CANVAS_WIDTH = 50
CANVAS_HEIGHT = 50
LV_COLOR_SIZE = 32
#
# Draw a text to the canvas
#
# Create a buffer for the canvas
cbuf = bytearray((LV_COLOR_SIZE // 8) * CANVAS_WIDTH * CANVAS_HEIGHT)
# Create a canvas and initialize its palette
canvas = lv.canvas(lv.scr_act())
canvas.set_buffer(cbuf, CANVAS_WIDTH, CANVAS_HEIGHT, lv.COLOR_FORMAT.NATIVE)
canvas.fill_bg(lv.color_hex3(0xccc), lv.OPA.COVER)
canvas.center()
dsc = lv.draw_label_dsc_t()
dsc.init()
dsc.color = lv.palette_main(lv.PALETTE.RED)
try:
dsc.font = lv_font_montserrat_18
except:
# needed for dynamic font loading
fs_drv = lv.fs_drv_t()
fs_driver.fs_register(fs_drv, 'S')
print("Loading font montserrat_18")
font_montserrat_18 = lv.font_load("S:../../assets/font/montserrat-18.fnt")
if not font_montserrat_18:
print("Font loading failed")
else:
dsc.font = font_montserrat_18
dsc.decor = lv.TEXT_DECOR.UNDERLINE
print('Printing "Hello"')
canvas.draw_text(10, 10, 30, dsc, "Hello")