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This commit is contained in:
Thomas Farstrike
2025-05-08 20:18:29 +02:00
parent e6b294412c
commit 2ba248a069
1 changed files with 33 additions and 21 deletions
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internal_filesystem/apps/com.example.draw/assets/draw.py
+33 -21
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@@ -2,29 +2,41 @@ appscreen = lv.screen_active()
import lvgl as lv
class DrawApp:
def __init__(self):
self.canvas = None
self.init_gui()
def init_gui(self):
self.canvas = lv.canvas(lv.screen_active())
disp = lv.display_get_default()
self.canvas.set_size(disp.get_hor_res(), disp.get_ver_res())
self.canvas.set_style_bg_color(lv.color_white(), 0)
buffer = bytearray(disp.get_hor_res() * disp.get_ver_res() * 4)
self.canvas.set_buffer(buffer, disp.get_hor_res(), disp.get_ver_res(), lv.COLOR_FORMAT.NATIVE)
self.canvas.fill_bg(lv.color_white(), lv.OPA.COVER)
self.canvas.add_event_cb(self.touch_cb, lv.EVENT.PRESSING, None)
def touch_cb(self, obj, event, user_data):
if event == lv.EVENT.PRESSING:
def touch_cb(event):
global canvas
event_code=event.get_code()
if event_code not in [23,25,26,27,28,29,30,49]:
#print(f"got event: {event}")
print(f"lv_event_t: code={event_code}, target={event.get_target()}, user_data={event.get_user_data()}, param={event.get_param()}")
if event_code == lv.EVENT.PRESSING:
print("lv.EVENT.PRESSING")
indev = lv.indev_active()
if indev:
point = indev.get_point()
x, y = point.x, point.y
self.canvas.draw_arc(x, y, 5, 0, 360, lv.color_black())
#point = indev.get_point()
#x, y = point.x, point.y
import random
x = random.randrange(1,200)
y = random.randrange(1,200)
#print(f"got indev {x} {y} {point}")
#canvas.draw_arc(x, y, 5, 0, 360, lv.color_black())
canvas.set_px(x,y,lv.color_black(),lv.OPA.COVER)
else:
print("no indev!")
canvas = lv.canvas(appscreen)
disp = lv.display_get_default()
hor_res = disp.get_horizontal_resolution()
ver_res = disp.get_vertical_resolution()
canvas.set_size(hor_res, ver_res)
canvas.set_style_bg_color(lv.color_white(), 0)
buffer = bytearray(hor_res * ver_res * 4)
canvas.set_buffer(buffer, hor_res, ver_res, lv.COLOR_FORMAT.NATIVE)
canvas.fill_bg(lv.color_white(), lv.OPA.COVER)
canvas.add_flag(lv.obj.FLAG.CLICKABLE)
canvas.add_event_cb(touch_cb, lv.EVENT.ALL, None)
draw_app = DrawApp()
# Wait until the user closes the app
while appscreen == lv.screen_active():
time.sleep_ms(1000)
#while appscreen == lv.screen_active():
# time.sleep_ms(1000)