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# -*- python -*-
# This example uses option parsing and CRTC searching.
# `Screens.find_by_crtc` and `Screen.find_by_crtc`, are
# not used, those are not useful for anything. They can
# be used for seaching the number of connected monitors,
# but `Screen.crtc_count` is much more effective.
# We want to use the ad-hoc mode options.
uses_adhoc_opts = True
# Parse gamma option from ad-hoc mode options.
gamma_ = parser.opts['--gamma']
if gamma_ is None:
gamma_ = [1, 1, 1]
else:
if len(gamma_) > 1:
print('--gamma can only be used once')
sys.exit(1)
gamma_ = [float(x) for x in gamma_[0].split(':')]
# Parse temperature option from ad-hoc mode options.
temperature_ = parser.opts['--temperature']
if temperature_ is None:
temperature_ = 5000
else:
if len(temperature_) > 1:
print('--temperature can only be used once')
sys.exit(1)
temperature_ = float(temperature_[0])
# Read configuration script options.
parser = ArgParser('Colour temputare controller',
'%s [-p] -c %s -- [options]' % (sys.argv[0], conf_opts[0]),
'Example configuration script using option parsing\n'
'and CRTC searching functions.',
None, True, ArgParser.standard_abbreviations())
parser.add_argumentless(['-h', '-?', '--help'], 0, 'Print this help information')
parser.add_argumented(['-n', '--name'], 0, 'NAME', 'Select output by name')
parser.add_argumented(['-s', '--size'], 0, 'WIDTH_MM:HEIGHT_MM', 'Select output by monitor size')
parser.parse(conf_opts)
parser.support_alternatives()
if parser.opts['--help'] is not None:
parser.help()
sys.exit(0)
# Find CRTC:s.
screens = list_screens()
outputs = []
# Find CRTC:s by name.
if parser.opts['--name'] is not None:
for name in parser.opts['--name']:
outputs += screens.find_by_name(name)
# Find CRTC:s by monitor size.
if parser.opts['--size'] is not None:
for size in parser.opts['--size']:
outputs += screens.find_by_size(*[int(x) for x in size.split(':')])
# Adjust colour curves.
for output in outputs:
# Perform adjustments.
start_over()
temperature(temperature_, lambda t : divide_by_maximum(cmf_10deg(t)))
gamma(*gamma_)
# Apply adjustments.
randr(output.crtc, screen = output.screen)
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