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