fix(camera): render the viewfinder on the display even if the display…

… is paused - closes #78

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - feat(notifications): add `progress` and `progress_weight` properties to `Notification` object and show the progress on the header of the app
 - feat(core): show the progress of the update using the new `progress` property of the `Notification` object
+- fix(camera): render the viewfinder on the display even if the display is paused - closes #78
 
 ## Version 0.15.4
 

ubo_app/display.py

@@ -114,9 +114,11 @@ def block(
         self: _State,
         rectangle: tuple[int, int, int, int],
         data_bytes: bytes,
+        *,
+        bypass_pause: bool = False,
     ) -> None:
         """Block the display."""
-        if self.is_running:
+        if self.is_running or bypass_pause:
             self.display._block(*rectangle, data_bytes)  # noqa: SLF001
 
 

ubo_app/services/040-camera/setup.py

@@ -127,9 +127,6 @@ def feed_viewfinder(picamera2: Picamera2 | None) -> None:
                 ),
             )
 
-        if not display:
-            return
-
         data = resize_image(data, new_size=(width, height))
         data = np.rot90(data, 2)
 
@@ -170,7 +167,11 @@ def feed_viewfinder(picamera2: Picamera2 | None) -> None:
             np.dstack(((color >> 8) & 0xFF, color & 0xFF)).flatten().tolist(),
         )
 
-        display.state.block((0, 0, width - 1, height - 1), data_bytes)
+        display.state.block(
+            (0, 0, width - 1, height - 1),
+            data_bytes,
+            bypass_pause=True,
+        )
 
 
 @mainthread