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1# Copyright 2016 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import os
16import re
17import subprocess
18import sys
19import time
20
21import its.cv2image
22import numpy as np
23
24LOAD_SCENE_DELAY = 2  # seconds
25
26
27def main():
28    """Load charts on device and display."""
29    scene = None
30    for s in sys.argv[1:]:
31        if s[:6] == 'scene=' and len(s) > 6:
32            scene = s[6:]
33        elif s[:7] == 'screen=' and len(s) > 7:
34            screen_id = s[7:]
35        elif s[:5] == 'dist=' and len(s) > 5:
36            chart_distance = float(re.sub('cm', '', s[5:]))
37        elif s[:4] == 'fov=' and len(s) > 4:
38            camera_fov = float(s[4:])
39
40    cmd = ('adb -s %s shell am force-stop com.google.android.apps.docs' %
41           screen_id)
42    subprocess.Popen(cmd.split())
43
44    if not scene:
45        print 'Error: need to specify which scene to load'
46        assert False
47
48    if not screen_id:
49        print 'Error: need to specify screen serial'
50        assert False
51
52    src_scene_path = os.path.join(os.environ['CAMERA_ITS_TOP'], 'tests', scene)
53    dst_scene_file = '/sdcard/Download/%s.pdf' % scene
54    chart_scaling = its.cv2image.calc_chart_scaling(chart_distance, camera_fov)
55    if np.isclose(chart_scaling, its.cv2image.SCALE_TELE_IN_WFOV_BOX, atol=0.01):
56        file_name = '%s_%sx_scaled.pdf' % (
57                scene, str(its.cv2image.SCALE_TELE_IN_WFOV_BOX))
58    elif np.isclose(chart_scaling, its.cv2image.SCALE_RFOV_IN_WFOV_BOX, atol=0.01):
59        file_name = '%s_%sx_scaled.pdf' % (
60                scene, str(its.cv2image.SCALE_RFOV_IN_WFOV_BOX))
61    else:
62        file_name = '%s.pdf' % scene
63    src_scene_file = os.path.join(src_scene_path, file_name)
64    print 'Loading %s on %s' % (src_scene_file, screen_id)
65    cmd = 'adb -s %s push %s /mnt%s' % (screen_id, src_scene_file,
66                                        dst_scene_file)
67    subprocess.Popen(cmd.split())
68    time.sleep(LOAD_SCENE_DELAY)  # wait-for-device doesn't always seem to work
69    # The intent require PDF viewing app be installed on device.
70    # Also the first time such app is opened it might request some permission,
71    # so it's  better to grant those permissions before using this script
72    cmd = ("adb -s %s wait-for-device shell am start -d 'file://%s'"
73           " -a android.intent.action.VIEW" % (screen_id, dst_scene_file))
74    subprocess.Popen(cmd.split())
75
76if __name__ == '__main__':
77    main()
78