test_param_tonemap_mode.py revision 12339cdd90b2c98eb4f7adf794ddca8de53992b8 
1# Copyright 2013 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 its.image
16import its.device
17import its.objects
18import os
19import sys
20import numpy
21import Image
22import math
23import time
24import os.path
25
26def main():
27    """Test that the android.tonemap.mode param is applied.
28
29    Applies three different tonemap curves (linear, and clamped to zero and
30    one), and saves the resultant images.
31    """
32    NAME = os.path.basename(__file__).split(".")[0]
33
34    # TODO: Query the allowable tonemap curve sizes; here, it's hardcoded to
35    # a length=32 list of tuples. The max allowed length should be inside the
36    # camera properties object.
37    TMLEN = 32
38    TMSCALE = float(TMLEN-1)
39
40    # Tonemap curves.
41    tonemap_linear = sum([[i/TMSCALE, i/TMSCALE] for i in range(TMLEN)], [])
42    tonemap_zero = sum([[i/TMSCALE, 0] for i in range(TMLEN)], [])
43    tonemap_one = sum([[i/TMSCALE, 1] for i in range(TMLEN)], [])
44    tonemaps = [tonemap_linear, tonemap_zero, tonemap_one]
45
46    req = its.objects.capture_request( {
47        "android.control.aeMode": 0,
48        "android.sensor.sensitivity": 100,
49        "android.sensor.exposureTime": 100*1000*1000,
50        "android.sensor.frameDuration": 0
51        })
52
53    with its.device.ItsSession() as cam:
54        for mode in [0,1,2]:
55            for i, t in enumerate(tonemaps):
56                req["captureRequest"]["android.tonemap.mode"] = mode
57                req["captureRequest"]["android.tonemap.curveRed"] = t
58                req["captureRequest"]["android.tonemap.curveGreen"] = t
59                req["captureRequest"]["android.tonemap.curveBlue"] = t
60                fname, w, h, md = cam.do_capture(req)
61                img = its.image.load_yuv420_to_rgb_image(fname, w, h)
62                its.image.write_image(
63                        img, "%s_mode=%d_curve=%d.jpg" %(NAME, mode,i))
64
65if __name__ == '__main__':
66    main()
67
68