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camtest: simplify

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This commit is contained in:
Thomas Farstrike
2025-05-14 14:13:31 +02:00
parent ba82e3d467
commit 4de359c7a2
1 changed files with 7 additions and 7 deletions
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internal_filesystem/apps/com.example.camtest/assets/camtest.py
+7 -7
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@@ -101,16 +101,15 @@ def qr_button_click(e):
def try_capture():
global current_cam_buffer, image_dsc, image, use_webcam
if use_webcam:
new_cam_buffer = webcam.capture_frame(cam)
current_cam_buffer = webcam.capture_frame(cam)
elif cam.frame_available():
new_cam_buffer = cam.capture() # Returns memoryview
if new_cam_buffer and len(new_cam_buffer):
image_dsc.data = new_cam_buffer
current_cam_buffer = cam.capture() # Returns memoryview
if current_cam_buffer and len(current_cam_buffer):
image_dsc.data = current_cam_buffer
#image.invalidate() # does not work so do this:
image.set_src(image_dsc)
#image.invalidate() #does not work
if not use_webcam:
cam.free_buffer() # Free the old buffer
current_cam_buffer = new_cam_buffer # Store new buffer reference
else:
print("No image received from camera, ignoring...")
return
@@ -147,7 +146,8 @@ def build_ui():
# Initialize LVGL image widget
image = lv.image(cont)
image.align(lv.ALIGN.LEFT_MID, 0, 0)
image.set_rotation(900)
if not use_webcam:
image.set_rotation(900)
# Create image descriptor once
image_dsc = lv.image_dsc_t({
"header": {