| # Copyright 2014 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import its.image |
| import its.device |
| import its.objects |
| |
| |
| def main(): |
| """Takes shots with different sensor crop regions. |
| """ |
| name = os.path.basename(__file__).split(".")[0] |
| |
| # Regions specified here in x,y,w,h normalized form. |
| regions = [[0.0, 0.0, 0.5, 0.5], # top left |
| [0.0, 0.5, 0.5, 0.5], # bottom left |
| [0.1, 0.9, 0.5, 1.0]] # right side (top + bottom) |
| |
| with its.device.ItsSession() as cam: |
| props = cam.get_camera_properties() |
| r = props['android.sensor.info.pixelArraySize'] |
| w = r['width'] |
| h = r['height'] |
| |
| # Capture a full frame first. |
| reqs = [its.objects.auto_capture_request()] |
| print "Capturing img0 with the full sensor region" |
| |
| # Capture a frame for each of the regions. |
| for i,region in enumerate(regions): |
| req = its.objects.auto_capture_request() |
| req['android.scaler.cropRegion'] = { |
| "left": int(region[0] * w), |
| "top": int(region[1] * h), |
| "right": int((region[0]+region[2])*w), |
| "bottom": int((region[1]+region[3])*h)} |
| reqs.append(req) |
| crop = req['android.scaler.cropRegion'] |
| print "Capturing img%d with crop: %d,%d %dx%d"%(i+1, |
| crop["left"],crop["top"], |
| crop["right"]-crop["left"],crop["bottom"]-crop["top"]) |
| |
| cam.do_3a() |
| caps = cam.do_capture(reqs) |
| |
| for i,cap in enumerate(caps): |
| img = its.image.convert_capture_to_rgb_image(cap) |
| crop = cap["metadata"]['android.scaler.cropRegion'] |
| its.image.write_image(img, "%s_img%d.jpg"%(name,i)) |
| print "Captured img%d with crop: %d,%d %dx%d"%(i, |
| crop["left"],crop["top"], |
| crop["right"]-crop["left"],crop["bottom"]-crop["top"]) |
| |
| if __name__ == '__main__': |
| main() |