Mercurial > hg > orthanc-book
comparison Sphinx/source/plugins/python/pil.py @ 703:a589668768d7
moving python samples in separate files (2)
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
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| date | Fri, 11 Jun 2021 10:07:12 +0200 |
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| children |
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| 702:6e02cd89eb6a | 703:a589668768d7 |
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| 1 from PIL import Image | |
| 2 import io | |
| 3 import orthanc | |
| 4 | |
| 5 def DecodeInstance(output, uri, **request): | |
| 6 if request['method'] == 'GET': | |
| 7 # Retrieve the instance ID from the regular expression (*) | |
| 8 instanceId = request['groups'][0] | |
| 9 | |
| 10 # Render the instance, then open it in Python using PIL/Pillow | |
| 11 png = orthanc.RestApiGet('/instances/%s/rendered' % instanceId) | |
| 12 image = Image.open(io.BytesIO(png)) | |
| 13 | |
| 14 # Downsize the image as a 64x64 thumbnail | |
| 15 image.thumbnail((64, 64), Image.ANTIALIAS) | |
| 16 | |
| 17 # Save the thumbnail as JPEG, then send the buffer to the caller | |
| 18 jpeg = io.BytesIO() | |
| 19 image.save(jpeg, format = "JPEG", quality = 80) | |
| 20 jpeg.seek(0) | |
| 21 output.AnswerBuffer(jpeg.read(), 'text/plain') | |
| 22 | |
| 23 else: | |
| 24 output.SendMethodNotAllowed('GET') | |
| 25 | |
| 26 orthanc.RegisterRestCallback('/pydicom/(.*)', DecodeInstance) # (*) |