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ENH: register callback for saveRoi viewer event #701

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ENH: register callback for saveRoi viewer event #701

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1 change: 1 addition & 0 deletions itkwidgets/_initialization_params.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,7 @@ def build_config(ui=None):
else:
config = {}
config['maxConcurrency'] = os.cpu_count() * 2
config['showSaveRoiButton'] = True

return config

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6 changes: 6 additions & 0 deletions itkwidgets/viewer.py
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Expand Up @@ -82,6 +82,9 @@ async def run(self, ctx):
itk_viewer.registerEventListener(
'screenshotTaken', self.update_screenshot
)
itk_viewer.registerEventListener(
'saveRoi', self.save_roi
)
# Once the viewer has been created any queued requests can be run
CellWatcher().update_viewer_status(self.parent)
asyncio.get_running_loop().call_soon_threadsafe(self.viewer_event.set)
Expand Down Expand Up @@ -124,6 +127,9 @@ def update_screenshot(self, base64_image):
</script>
''')
self.img.display(html)

def save_roi(self, roi):
api.log(f'save roi {roi}')

def set_event(self, event_data):
# Once the data has been set the deferred queue requests can be run
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