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Add gamma_curve to metadata

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This commit is contained in:
jaknapper 2026-03-03 13:59:43 +00:00
parent 17f77e36c4
commit 0173cf912f
4 changed files with 36 additions and 1 deletions
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8
tests/unit_tests/test_metadata.py
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@ -13,6 +13,9 @@ from labthings_fastapi.testing import create_thing_without_server
from openflexure_microscope_server.things.background_detect import ChannelDeviationLUV
from openflexure_microscope_server.things.camera import BaseCamera
from openflexure_microscope_server.things.camera import (
picamera_tuning_file_utils as tf_utils,
)
from openflexure_microscope_server.things.camera.simulation import SimulatedCamera
from openflexure_microscope_server.things.stage.dummy import DummyStage
@ -138,6 +141,7 @@ def test_picamera_adds_metadata(mock_picam_thing):
camera.exposure_time = 1234
camera.colour_gains = (1.1, 1.2)
camera.analogue_gain = 2.5
camera.tuning = tf_utils.set_gamma_curve(camera.tuning, {1: 5, 2: 10})
state = camera.thing_state
@ -147,6 +151,7 @@ def test_picamera_adds_metadata(mock_picam_thing):
"exposure_time": 1234,
"colour_gains": (1.1, 1.2),
"analogue_gain": 2.5,
"gamma_correction": {1: 5, 2: 10},
}
@ -158,6 +163,7 @@ def test_picamera_metadata_written_to_exif(mock_picam_thing, temp_jpeg, mocker):
camera.exposure_time = 1234
camera.colour_gains = (1.1, 1.2)
camera.analogue_gain = 2.5
camera.tuning = tf_utils.set_gamma_curve(camera.tuning, {1: 5, 2: 10})
# Mock the server interface to return the camera's own state
mock_interface = mocker.Mock()
@ -173,8 +179,10 @@ def test_picamera_metadata_written_to_exif(mock_picam_thing, temp_jpeg, mocker):
assert user_comment["camera"] == "StreamingPiCamera2"
assert user_comment["camera_board"] == "imx219"
# gamma_correction keys are cast to strings
assert user_comment["tuning"] == {
"exposure_time": 1234,
"colour_gains": [1.1, 1.2],
"analogue_gain": 2.5,
"gamma_correction": {"1": 5, "2": 10},
}