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3dcamera.py
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3dcamera.py
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import os
import urllib.request
from http.server import SimpleHTTPRequestHandler, HTTPServer
from PIL import Image
from io import BytesIO
port = 8081
control_html = os.path.dirname(os.path.realpath(__file__)) + '/control.html'
# Reverse the URLs to create cross-eye images instead of parallel
left_camera = "http://leftcam.local:8080/?action=snapshot"
right_camera = "http://rightcam.local:8080/?action=snapshot"
def process_image():
left_image = urllib.request.urlopen(left_camera)
right_image = urllib.request.urlopen(right_camera)
images = [Image.open(x) for x in [left_image, right_image]]
widths, heights = zip(*(i.size for i in images))
total_width = sum(widths)
max_height = max(heights)
side_by_side_image = Image.new('RGB', (total_width, max_height))
x_offset = 0
for image in images:
side_by_side_image.paste(image, (x_offset, 0))
x_offset += image.size[0]
image_buffer = BytesIO()
side_by_side_image.save(image_buffer, format='JPEG')
image_data = image_buffer.getvalue()
return image_data
class handle_request(SimpleHTTPRequestHandler):
def do_GET(self):
print('Sending control HTML')
f = open(control_html, 'rb')
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
self.copyfile(f, self.wfile)
def do_POST(self):
new_image = process_image()
self.send_response(200)
self.send_header('Content-type', 'image/jpeg')
self.send_header('Content-disposition',
'attachment; filename="3d.jpg"')
self.end_headers()
self.wfile.write(new_image)
httpd = HTTPServer(("", port), handle_request)
try:
httpd.serve_forever()
except KeyboardInterrupt:
pass
httpd.server_close()