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authorMattias Andrée <maandree@kth.se>2022-07-21 14:53:18 +0200
committerMattias Andrée <maandree@kth.se>2022-07-21 14:53:18 +0200
commit3be28b4e8f75190d30e311f0e69da714cac62cc5 (patch)
tree95374a0ac30802f838e0fee1d7c686b66dd26b11 /src/libgamma_facade.py
parentRemove dist (diff)
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Change license to ISC, change style, improve makefile1.1.3
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/libgamma_facade.py')
-rw-r--r--src/libgamma_facade.py147
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diff --git a/src/libgamma_facade.py b/src/libgamma_facade.py
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-# -*- python -*-
-'''
-pylibgamma — Python 3 wrapper for libgamma
-Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
-
-This library is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this library. If not, see <http://www.gnu.org/licenses/>.
-'''
-
-
-from libgamma_method import MethodCapabilities
-
-
-
-def list_methods(operation : int) -> list:
- '''
- List available adjustment methods by their order of preference based on the environment.
-
- @param operation Allowed values:
- 0: Methods that the environment suggests will work, excluding fake.
- 1: Methods that the environment suggests will work, including fake.
- 2: All real non-fake methods.
- 3: All real methods.
- 4: All methods.
- Other values invoke undefined behaviour.
- @return :list<int> A list of available adjustment methods.
- '''
- from libgamma_native_facade import libgamma_native_list_methods
- return libgamma_native_list_methods(operation)
-
-
-def is_method_available(method : int) -> bool:
- '''
- Check whether an adjustment method is available, non-existing (invalid) methods will be
- identified as not available under the rationale that the library may be out of date.
-
- @param method The adjustment method.
- @return Whether the adjustment method is available.
- '''
- from libgamma_native_facade import libgamma_native_is_method_available
- return not libgamma_native_is_method_available(method) == 0
-
-
-def method_capabilities(method : int) -> MethodCapabilities:
- '''
- Return the capabilities of an adjustment method.
-
- @param this The data structure to fill with the method's capabilities
- @param method The adjustment method (display server and protocol).
- '''
- from libgamma_native_facade import libgamma_native_method_capabilities
- caps = libgamma_native_method_capabilities(method)
- return MethodCapabilities(*caps)
-
-
-def method_default_site(method : int) -> str:
- '''
- Return the default site for an adjustment method.
-
- @param method The adjustment method (display server and protocol.)
- @return The default site, `None` if it cannot be determined or
- if multiple sites are not supported by the adjustment
- method.
- '''
- from libgamma_native_facade import libgamma_native_method_default_site
- return libgamma_native_method_default_site(method)
-
-
-def method_default_site_variable(method : int) -> str:
- '''
- Return the default variable that determines
- the default site for an adjustment method.
-
- @param method The adjustment method (display server and protocol.)
- @return The environ variables that is used to determine the
- default site. `None` if there is none, that is, if
- the method does not support multiple sites.
- '''
- from libgamma_native_facade import libgamma_native_method_default_site_variable
- return libgamma_native_method_default_site_variable(method)
-
-
-
-def behex_edid(edid : bytes) -> str:
- '''
- Convert a raw representation of an EDID to a lowercase hexadecimal representation.
-
- @param edid The EDID in raw representation.
- @return The EDID in lowercase hexadecimal representation.
- '''
- return behex_edid_lowercase(edid)
-
-
-def behex_edid_lowercase(edid : bytes) -> str:
- '''
- Convert a raw representation of an EDID to a lowercase hexadecimal representation.
-
- @param edid The EDID in raw representation.
- @return The EDID in lowercase hexadecimal representation.
- '''
- rc = ''
- for b in edid:
- rc += '0123456789abcdef'[(b >> 4) & 15]
- rc += '0123456789abcdef'[(b >> 0) & 15]
- return rc
-
-
-def behex_edid_uppercase(edid : bytes) -> str:
- '''
- Convert a raw representation of an EDID to an uppercase hexadecimal representation.
-
- @param edid The EDID in raw representation.
- @return The EDID in uppercase hexadecimal representation.
- '''
- rc = ''
- for b in edid:
- rc += '0123456789ABCDEF'[(b >> 4) & 15]
- rc += '0123456789ABCDEF'[(b >> 0) & 15]
- return rc
-
-
-def unhex_edid(edid : str) -> bytes:
- '''
- Convert an hexadecimal representation of an EDID to a raw representation.
-
- @param edid The EDID in hexadecimal representation.
- @return The EDID in raw representation.
- '''
- rc = []
- edid = edid.lower()
- for i in range(0, len(edid), 2):
- a, b = edid[i + 0], edid[i + 1]
- a = '0123456789abcdef'.find(a) << 4
- b = '0123456789abcdef'.find(b) << 0
- rc.append(a | b)
- return bytes(rc)
-