def test_capture_scaling(self):
scale = 2
pb = CaptureService.get_pixel_buffer()
pb2 = CaptureService.scale_pixel_buffer(pb, pb.get_width() / scale,
pb.get_height() / scale)
self.assertEqual(pb.get_byte_length(),
pb2.get_byte_length() * scale ** 2)
def test_capture_format(self):
pb = CaptureService.get_pixel_buffer()
print "\nCapture format:"
print "Size: {0}x{1}".format(pb.get_width(), pb.get_height())
print "Channels: {0}".format(str(pb.get_n_channels()))
self.assertEqual(pb.get_n_channels(), 3)
print "Byte length: {0}".format(str(pb.get_byte_length()))
self.assertEqual(pb.get_byte_length(),
pb.get_n_channels() * pb.get_height() * pb.get_width())
print "Sample bits: {0}".format(str(pb.get_bits_per_sample()))
self.assertEqual(pb.get_bits_per_sample(), 8)
def capture_and_scale():
pb = CaptureService.get_pixel_buffer()
CaptureService.scale_pixel_buffer(pb, pb.get_width() / 2,
pb.get_height() / 2)
