54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
from openflexure_microscope.api.utilities import JsonResponse
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from openflexure_microscope.api.v1.views import MicroscopeView
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from flask import jsonify, request
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import logging
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class GPUPreviewAPI(MicroscopeView):
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def post(self, operation):
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"""
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Start or stop the onboard GPU preview.
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Optional "window" parameter can be passed to control the position and size of the preview window,
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in the format ``[x, y, width, height]``.
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.. :quickref: GPU Preview; Start/stop preview
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**Example requests**:
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.. sourcecode:: http
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POST /camera/preview/start HTTP/1.1
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Accept: application/json
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{
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"window": [0, 0, 480, 320],
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}
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.. sourcecode:: http
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POST /camera/preview/stop HTTP/1.1
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Accept: application/json
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:>header Accept: application/json
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:<header Content-Type: application/json
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:status 200: preview started/stopped
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"""
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if operation == "start":
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payload = JsonResponse(request)
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window = payload.param("window", default=[])
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logging.debug(window)
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if len(window) != 4:
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fullscreen = True
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window = None
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else:
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fullscreen = False
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window = [int(w) for w in window]
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self.microscope.camera.start_preview(fullscreen=fullscreen, window=window)
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elif operation == "stop":
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self.microscope.camera.stop_preview()
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return jsonify(self.microscope.state)
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