diff options
Diffstat (limited to '')
| -rw-r--r-- | libgamma_method.py (renamed from src/libgamma_method.py) | 526 |
1 files changed, 251 insertions, 275 deletions
diff --git a/src/libgamma_method.py b/libgamma_method.py index dcd4f6a..c606959 100644 --- a/src/libgamma_method.py +++ b/libgamma_method.py @@ -1,26 +1,7 @@ -# -*- 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/>. -''' - +# See LICENSE file for copyright and license details. from libgamma_error import create_error - LIBGAMMA_METHOD_DUMMY = 0 ''' The identifier for the dummy adjustment method. @@ -31,7 +12,7 @@ testing your program's ability to handle errors. LIBGAMMA_METHOD_X_RANDR = 1 ''' The identifier for the adjustment method with -uses the RandR protocol under the X display server. +uses the RandR protocol under the X display server ''' LIBGAMMA_METHOD_X_VIDMODE = 2 @@ -97,33 +78,33 @@ class MethodCapabilities: ---- Integer variables ---- @variable crtc_information OR of the CRTC information fields in `CRTCInformation` - that may (but can fail) be read successfully. + that may (but can fail) be read successfully ---- Boolean variables ---- @variable default_site_known Whether the default site is known, if true the site is integrated - to the system or can be determined using environment variables. + to the system or can be determined using environment variables @variable multiple_sites Whether the adjustment method supports multiple sites rather - than just the default site. + than just the default site @variable multiple_partitions Whether the adjustment method supports multiple partitions - per site. + per site @variable multiple_crtcs Whether the adjustment method supports multiple CRTC:s - per partition per site. - @variable partitions_are_graphics_cards Whether the partition to graphics card is a bijection. - @variable site_restore Whether the adjustment method supports `site_restore`. - @variable partition_restore Whether the adjustment method supports `partition_restore`. - @variable crtc_restore Whether the adjustment method supports `crtc_restore`. + per partition per site + @variable partitions_are_graphics_cards Whether the partition to graphics card is a bijection + @variable site_restore Whether the adjustment method supports `site_restore` + @variable partition_restore Whether the adjustment method supports `partition_restore` + @variable crtc_restore Whether the adjustment method supports `crtc_restore` @variable identical_gamma_sizes Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` fields in `CRTCInformation` will always - have the same values as each other for the adjustment method. + have the same values as each other for the adjustment method @variable fixed_gamma_size Whether the `red_gamma_size`, `green_gamma_size` and `blue_gamma_size` fields in `CRTCInformation` will always be - filled with the same value for the adjustment method. + filled with the same value for the adjustment method @variable fixed_gamma_depth Whether the `gamma_depth` field in `CRTCInformation` will - always be filled with the same value for the adjustment method. - @variable real Whether the adjustment method will actually perform adjustments. + always be filled with the same value for the adjustment method + @variable real Whether the adjustment method will actually perform adjustments @variable fake Whether the adjustment method is implement using a translation - layer. + layer ''' def __init__(self, crtc_information : int = 0, booleans : int = 0): @@ -131,7 +112,7 @@ class MethodCapabilities: Constructor @param crtc_information The value for `CRTCInformation` - @param booleans The value for each booleanic variable + @param booleans The value for each boolean variable ''' self.crtc_information = crtc_information self.default_site_known = (booleans & (1 << 0)) != 0 @@ -151,14 +132,14 @@ class MethodCapabilities: class CRTCInformation: ''' - Cathode ray tube controller information data structure. + Cathode ray tube controller information data structure @variable edid:bytes The Extended Display Identification Data associated with the attached monitor. This is raw byte array that is usually 128 bytes long. @variable edid_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable width_mm:int The phyical width, in millimetres, of the viewport of the attached monitor, as reported by the adjustment method. This @@ -169,7 +150,7 @@ class CRTCInformation: for projectors. @variable width_mm_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable height_mm:int The phyical height, in millimetres, of the viewport of the attached monitor, as reported by the adjustment method. This value may be incorrect, which is a known issue with the X @@ -179,7 +160,7 @@ class CRTCInformation: for projectors. @variable height_mm_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable width_mm_edid:int The phyical width, in millimetres, of the viewport of the attached monitor, as reported by it the monitor's Extended @@ -191,7 +172,7 @@ class CRTCInformation: for projectors. @variable width_mm_edid_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable height_mm_edid:int The phyical height, in millimetres, of the viewport of the attached monitor, as reported by it the monitor's Extended Display Information Data. This value can only contain whole @@ -202,50 +183,50 @@ class CRTCInformation: for projectors. @variable height_mm_edid_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library - @variable red_gamma_size:int The size of the encoding axis of the red gamma ramp. - @variable green_gamma_size:int The size of the encoding axis of the green gamma ramp. - @variable blue_gamma_size:int The size of the encoding axis of the blue gamma ramp. + @variable red_gamma_size:int The size of the encoding axis of the red gamma ramp + @variable green_gamma_size:int The size of the encoding axis of the green gamma ramp + @variable blue_gamma_size:int The size of the encoding axis of the blue gamma ramp @variable gamma_size_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable gamma_depth:int The bit-depth of the value axes of gamma ramps, -1 for single precision floating point, and -2 for - double precision floating point. + double precision floating point @variable gamma_depth_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library - @variable gamma_support:int Non-zero gamma ramp adjustments are supported. + @variable gamma_support:int Non-zero gamma ramp adjustments are supported @variable gamma_support_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable subpixel_order:int The layout of the subpixels. You cannot count on this value — especially for CRT:s — but it is provided anyway as a means of distinguishing monitors. @variable subpixel_order_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library - @variable active:bool Whether there is a monitors connected to the CRTC. + @variable active:bool Whether there is a monitors connected to the CRTC @variable active_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable connector_name:str The name of the connector as designated by the display server or as give by this library in case the display - server lacks this feature. + server lacks this feature @variable connector_name_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library - @variable connector_type:int The type of the connector that is associated with the CRTC. + @variable connector_type:int The type of the connector that is associated with the CRTC @variable connector_type_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library @variable gamma_red:float The gamma characteristics of the monitor as reported in its Extended Display Information Data. The value @@ -270,7 +251,7 @@ class CRTCInformation: the result for the blue channel in the gamma correction. @variable gamma_error:int Zero on success, positive it holds the value `errno` had when the reading failed, otherwise (negative) the value - of an error identifier provided by this library. + of an error identifier provided by this library ''' def __init__(self, data): @@ -314,236 +295,236 @@ class CRTCInformation: LIBGAMMA_CONNECTOR_TYPE_Unknown = 0 ''' The adjustment method does not know the connector's type -(This could be considered an error). +(This could be considered an error) ''' LIBGAMMA_CONNECTOR_TYPE_VGA = 1 ''' -Video Graphics Array (VGA). +Video Graphics Array (VGA) ''' LIBGAMMA_CONNECTOR_TYPE_DVI = 2 ''' -Digital Visual Interface, unknown type. +Digital Visual Interface, unknown type ''' LIBGAMMA_CONNECTOR_TYPE_DVII = 3 ''' -Digital Visual Interface, integrated (DVI-I). +Digital Visual Interface, integrated (DVI-I) ''' LIBGAMMA_CONNECTOR_TYPE_DVID = 4 ''' -Digital Visual Interface, digital only (DVI-D). +Digital Visual Interface, digital only (DVI-D) ''' LIBGAMMA_CONNECTOR_TYPE_DVIA = 5 ''' -Digital Visual Interface, analogue only (DVI-A). +Digital Visual Interface, analogue only (DVI-A) ''' LIBGAMMA_CONNECTOR_TYPE_Composite = 6 ''' -Composite video. +Composite video ''' LIBGAMMA_CONNECTOR_TYPE_SVIDEO = 7 ''' -Separate Video (S-video). +Separate Video (S-video) ''' LIBGAMMA_CONNECTOR_TYPE_LVDS = 8 ''' -Low-voltage differential signaling (LVDS). +Low-voltage differential signaling (LVDS) ''' LIBGAMMA_CONNECTOR_TYPE_Component = 9 ''' -Component video, usually separate cables for each channel. +Component video, usually separate cables for each channel ''' LIBGAMMA_CONNECTOR_TYPE_9PinDIN = 10 ''' -9 pin DIN (Deutsches Institut für Normung) connector. +9 pin DIN (Deutsches Institut für Normung) connector ''' LIBGAMMA_CONNECTOR_TYPE_DisplayPort = 11 ''' -DisplayPort. +DisplayPort ''' LIBGAMMA_CONNECTOR_TYPE_HDMI = 12 ''' -High-Definition Multimedia Interface (HDMI), unknown type. +High-Definition Multimedia Interface (HDMI), unknown type ''' LIBGAMMA_CONNECTOR_TYPE_HDMIA = 13 ''' -High-Definition Multimedia Interface, type A (HDMI-A). +High-Definition Multimedia Interface, type A (HDMI-A) ''' LIBGAMMA_CONNECTOR_TYPE_HDMIB = 14 ''' -High-Definition Multimedia Interface, type B (HDMI-B). +High-Definition Multimedia Interface, type B (HDMI-B) ''' LIBGAMMA_CONNECTOR_TYPE_TV = 15 ''' -Television, unknown connector. +Television, unknown connector ''' LIBGAMMA_CONNECTOR_TYPE_eDP = 16 ''' -Embedded DisplayPort (eDP). +Embedded DisplayPort (eDP) ''' LIBGAMMA_CONNECTOR_TYPE_VIRTUAL = 17 ''' -A virtual connector. +A virtual connector ''' LIBGAMMA_CONNECTOR_TYPE_DSI = 18 ''' -Display Serial Interface (DSI). +Display Serial Interface (DSI) ''' LIBGAMMA_CONNECTOR_TYPE_LFP = 19 ''' -LFP connector. -(If you know what this is add it to Wikipedia.) +LFP connector +(If you know what this is add it to Wikipedia) ''' LIBGAMMA_CONNECTOR_TYPE_COUNT = 20 ''' -The number of `LIBGAMMA_CONNECTOR_*` values defined. +The number of `LIBGAMMA_CONNECTOR_*` values defined ''' LIBGAMMA_SUBPIXEL_ORDER_UNKNOWN = 0 ''' -The adjustment method does not know the order of the subpixels. -(This could be considered an error.) +The adjustment method does not know the order of the subpixels +(This could be considered an error) ''' LIBGAMMA_SUBPIXEL_ORDER_NONE = 1 ''' -There are no subpixels in the monitor. +There are no subpixels in the monitor ''' LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB = 2 ''' -The subpixels are ordered red, green and then blue, from left to right. +The subpixels are ordered red, green and then blue, from left to right ''' LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_BGR = 3 ''' -The subpixels are ordered blue, green and then red, from left to right. +The subpixels are ordered blue, green and then red, from left to right ''' LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_RGB = 4 ''' -The subpixels are ordered red, green and then blue, from the top down. +The subpixels are ordered red, green and then blue, from the top down ''' LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_BGR = 5 ''' -The subpixels are ordered blue, green and then red, from the top down. +The subpixels are ordered blue, green and then red, from the top down ''' LIBGAMMA_SUBPIXEL_ORDER_COUNT = 6 ''' -The number of `LIBGAMMA_SUBPIXEL_ORDER_*` values defined. +The number of `LIBGAMMA_SUBPIXEL_ORDER_*` values defined ''' LIBGAMMA_CRTC_INFO_EDID = 1 << 0 ''' -For a `CRTCInformation` fill in the -values for `edid` and `edid_length` and report errors to `edid_error`. +For a `CRTCInformation` fill in the values for +`edid` and `edid_length` and report errors to `edid_error` ''' LIBGAMMA_CRTC_INFO_WIDTH_MM = 1 << 1 ''' -For a `CRTCInformation` fill in the -value for `width_mm` and report errors to `width_mm_error`. +For a `CRTCInformation` fill in the value for +`width_mm` and report errors to `width_mm_error` ''' LIBGAMMA_CRTC_INFO_HEIGHT_MM = 1 << 2 ''' -For a `CRTCInformation` fill in the -value for `height_mm` and report errors to `height_mm_error`. +For a `CRTCInformation` fill in the value for +`height_mm` and report errors to `height_mm_error` ''' LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID = 1 << 3 ''' -For a `CRTCInformation` fill in the -value for `width_mm_edid` and report errors to `width_mm_edid_error`. +For a `CRTCInformation` fill in the value for +`width_mm_edid` and report errors to `width_mm_edid_error` ''' LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID = 1 << 4 ''' -For a `CRTCInformation` fill in the -value for `height_mm_edid` and report errors to `height_mm_edid_error`. +For a `CRTCInformation` fill in the value for +`height_mm_edid` and report errors to `height_mm_edid_error` ''' LIBGAMMA_CRTC_INFO_GAMMA_SIZE = 1 << 5 ''' -For a `CRTCInformation` fill in the -values for `red_gamma_size`, `green_gamma_size` and `blue_gamma_size`. +For a `CRTCInformation` fill in the values for +`red_gamma_size`, `green_gamma_size` and `blue_gamma_size`, and report errors to `gamma_size_error` ''' LIBGAMMA_CRTC_INFO_GAMMA_DEPTH = 1 << 6 ''' -For a `CRTCInformation` fill in the -value for `gamma_depth` and report errors to `gamma_depth_error`. +For a `CRTCInformation` fill in the value for +`gamma_depth` and report errors to `gamma_depth_error` ''' LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT = 1 << 7 ''' -For a `CRTCInformation` fill in the -value for `gamma_support` and report errors to `gamma_support_error`. +For a `CRTCInformation` fill in the value for +`gamma_support` and report errors to `gamma_support_error` ''' LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER = 1 << 8 ''' -For a `CRTCInformation` fill in the -value for `subpixel_order` and report errors to `subpixel_order_error`. +For a `CRTCInformation` fill in the value for +`subpixel_order` and report errors to `subpixel_order_error` ''' LIBGAMMA_CRTC_INFO_ACTIVE = 1 << 9 ''' -For a `CRTCInformation` fill in the -value for `active` and report errors to `active_error`. +For a `CRTCInformation` fill in the value for +`active` and report errors to `active_error` ''' LIBGAMMA_CRTC_INFO_CONNECTOR_NAME = 1 << 10 ''' -For a `CRTCInformation` fill in the -value for `connector_name` and report errors to `connector_name_error`. +For a `CRTCInformation` fill in the value for +`connector_name` and report errors to `connector_name_error` ''' LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE = 1 << 11 ''' -For a `CRTCInformation` fill in the -value for `connector_type` and report errors to `connector_type_error`. +For a `CRTCInformation` fill in the value for +`connector_type` and report errors to `connector_type_error` ''' LIBGAMMA_CRTC_INFO_GAMMA = 1 << 12 ''' -For a `CRTCInformation` fill in the -values for `gamma_red`, `gamma_green` and `gamma_blue` -and report errors to `gamma_error`. +For a `CRTCInformation` fill in the values for +`gamma_red`, `gamma_green` and `gamma_blue` and +report errors to `gamma_error` ''' LIBGAMMA_CRTC_INFO_COUNT = 13 ''' -The number of `LIBGAMMA_CRTC_INFO_*` values defined. +The number of `LIBGAMMA_CRTC_INFO_*` values defined ''' @@ -551,46 +532,42 @@ The number of `LIBGAMMA_CRTC_INFO_*` values defined. LIBGAMMA_CRTC_INFO_MACRO_EDID_VIEWPORT = LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID | \ LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID ''' -Macro for both `CRTCInformation` fields -that can specify the size of the monitor's viewport -as specified in the monitor's Extended Display -Information Data. +Macro for both `CRTCInformation` fields that can +specify the size of the monitor's viewport as specified +in the monitor's Extended Display Information Data ''' LIBGAMMA_CRTC_INFO_MACRO_EDID = LIBGAMMA_CRTC_INFO_EDID | \ LIBGAMMA_CRTC_INFO_MACRO_EDID_VIEWPORT | \ LIBGAMMA_CRTC_INFO_GAMMA ''' -Macro for all `CRTCInformation` fields -that can be filled if the adjustment method have -support for reading the monitors' Extended Display -Information Data. +Macro for all `CRTCInformation` fields that can be +filled if the adjustment method have support for +reading the monitors' Extended Display Information Data ''' LIBGAMMA_CRTC_INFO_MACRO_VIEWPORT = LIBGAMMA_CRTC_INFO_WIDTH_MM | \ LIBGAMMA_CRTC_INFO_HEIGHT_MM ''' -Macro for both `CRTCInformation` fields -that can specify the size of the monitor's viewport -as provided by the adjustment method without this -library having to parse the monitor's Extended Display -Information Data. +Macro for both `CRTCInformation` fields that can +specify the size of the monitor's viewport as provided +by the adjustment method without this library having to +parse the monitor's Extended Display Information Data ''' LIBGAMMA_CRTC_INFO_MACRO_RAMP = LIBGAMMA_CRTC_INFO_GAMMA_SIZE | \ LIBGAMMA_CRTC_INFO_GAMMA_DEPTH ''' -Macro for the `CRTCInformation` fields -that specifies the CRTC's gamma ramp sizes and gamma -ramp depth. +Macro for the `CRTCInformation` fields that specifies +the CRTC's gamma ramp sizes and gamma ramp depth ''' LIBGAMMA_CRTC_INFO_MACRO_CONNECTOR = LIBGAMMA_CRTC_INFO_CONNECTOR_NAME | \ LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE ''' -Macro for the `CRTCInformation` fields -that specifies the CRTC's connector type and the -partition unique name of the connector. +Macro for the `CRTCInformation` fields that specifies +the CRTC's connector type and the partition unique +name of the connector ''' LIBGAMMA_CRTC_INFO_MACRO_ACTIVE = LIBGAMMA_CRTC_INFO_MACRO_EDID | \ @@ -598,30 +575,30 @@ LIBGAMMA_CRTC_INFO_MACRO_ACTIVE = LIBGAMMA_CRTC_INFO_MACRO_EDID | \ LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER | \ LIBGAMMA_CRTC_INFO_ACTIVE ''' -Macro for the `CRTCInformation` fields -that required there is a monitor attached to the connector, -and that status itself. +Macro for the `CRTCInformation` fields that required +there is a monitor attached to the connector, and +that status itself ''' class GammaRamps: ''' - Gamma ramp structure. + Gamma ramp structure ''' - + class Ramp: ''' - A gamma ramp for one single channel. + A gamma ramp for one single channel ''' - + def __init__(self, ramp, size : int, depth : int): ''' - Constructor. + Constructor - @param ramp The gamma ramp. - @param size The number of stops in the gamma ramp. - @param depth The depth of the gamma ramp. + @param ramp The gamma ramp + @param size The number of stops in the gamma ramp + @param depth The depth of the gamma ramp ''' from libgamma_native_method import libgamma_native_gamma_ramps8_get from libgamma_native_method import libgamma_native_gamma_ramps16_get @@ -644,44 +621,44 @@ class GammaRamps: elif depth == -1: fs = (libgamma_native_gamma_rampsf_get, libgamma_native_gamma_rampsf_set) elif depth == -2: fs = (libgamma_native_gamma_rampsd_get, libgamma_native_gamma_rampsd_set) (self._get, self._set) = fs - - + + @property def size(self) -> int: ''' - Get the number of stops in the gamma ramp. + Get the number of stops in the gamma ramp - @return The number of stops in the gamma ramp. + @return The number of stops in the gamma ramp ''' return self._size - + @size.setter def size(self, value : int): ''' - It is not possible to change this attribute, but a setter is - required for the getter to function. + It is not possible to change this attribute, but + a setter is required for the getter to function ''' raise AttributeError('cannot resize ramp') - + def __len__(self) -> int: ''' - Get the number of stops in the gamma ramp. + Get the number of stops in the gamma ramp - @return The number of stops in the gamma ramp. + @return The number of stops in the gamma ramp ''' return self._size - + def __getitem__(self, indices): ''' - Read the gamma ramp. + Read the gamma ramp - @param indices:slice The stops to read. - @return :list<int|float> The values of the read stops. + @param indices:slice The stops to read + @return :list<int|float> The values of the read stops -- OR -- - @param indices:int The index of the stop to read. - @return :int|float The value of the read stop. + @param indices:int The index of the stop to read + @return :int|float The value of the read stop ''' if isinstance(indices, slice): start = indices.start @@ -697,18 +674,18 @@ class GammaRamps: if indices < 0: indices += self._size return self._get(self._ramp, indices) - + def __setitem__(self, indices, values): ''' - Modify the gamma ramp. + Modify the gamma ramp - @param indices:slice The stops to modify. - @param values:itr<int|float> The values for the selected stops. + @param indices:slice The stops to modify + @param values:itr<int|float> The values for the selected stops -- OR -- - @param indices:int The index of the stop to modify. - @param values:int|float The new value for the stop. + @param indices:int The index of the stop to modify + @param values:int|float The new value for the stop ''' if isinstance(indices, slice): start = indices.start @@ -728,37 +705,38 @@ class GammaRamps: if indices < 0: indices += self._size self._set(self._ramp, indices, values) - + def __iter__(self) -> iter: ''' - Read the gamma ramp. + Read the gamma ramp - @return :itr<int|float> The values of each stop. + @return :itr<int|float> The values of each stop ''' for value in self[:]: yield value - + def map(self, function): ''' Modify the entire ramp using a function that - maps encoding value to output value. + maps encoding value to output value @param function:(float)→int|float Function that takes the encoding value as a - [0, 1] floating point and returns its output - value as the format using in the gamma ramp. + [0, 1] floating point and returns its output + value as the format using in the gamma ramp ''' max_i = self._size - 1 for i in range(self._size): self._set(self._ramp, i, function(i / max_i)) - + + def __init__(self, red_size : int, green_size : int = ..., blue_size : int = ..., *, depth : int = 16): ''' - Constructor. + Constructor - @param red_size The number of stops in the gamma ramp for the red channel. - @param green_size The number of stops in the gamma ramp for the green channel, `...` for `red_size`. - @param blue_size The number of stops in the gamma ramp for the blue channel, `...` for `green_size`. - @param depth The depth of the gamma ramps. + @param red_size The number of stops in the gamma ramp for the red channel + @param green_size The number of stops in the gamma ramp for the green channel, `...` for `red_size` + @param blue_size The number of stops in the gamma ramp for the blue channel, `...` for `green_size` + @param depth The depth of the gamma ramps ''' if green_size is ...: green_size = red_size if blue_size is ...: blue_size = green_size @@ -790,11 +768,11 @@ class GammaRamps: self._red = GammaRamps.Ramp(red, red_size, depth) self._green = GammaRamps.Ramp(green, green_size, depth) self._blue = GammaRamps.Ramp(blue, blue_size, depth) - - + + def __del__(self): ''' - This function is called when the object is not longer in use. + This function is called when the object is not longer in use ''' from libgamma_native_method import libgamma_native_gamma_ramps8_free from libgamma_native_method import libgamma_native_gamma_ramps16_free @@ -810,108 +788,107 @@ class GammaRamps: elif self._depth == 64: libgamma_native_gamma_ramps64_free(self._ramps) elif self._depth == -1: libgamma_native_gamma_rampsf_free(self._ramps) elif self._depth == -2: libgamma_native_gamma_rampsd_free(self._ramps) - - + + @property def red(self) -> Ramp: ''' - Get the gamma ramp for the red channel. + Get the gamma ramp for the red channel - @return The gamma ramp for the red channel. + @return The gamma ramp for the red channel ''' return self._red - - + + @red.setter def red(self, value): ''' It is not possible to change this attribute, but a setter is - required for the getter to function. + required for the getter to function ''' raise AttributeError('cannot change ramps') - - + + @property def green(self) -> Ramp: ''' - Get the gamma ramp for the green channel. + Get the gamma ramp for the green channel - @return The gamma ramp for the green channel. + @return The gamma ramp for the green channel ''' return self._green - - + + @green.setter def green(self, value) -> Ramp: ''' It is not possible to change this attribute, but a setter is - required for the getter to function. + required for the getter to function ''' raise AttributeError('cannot change ramps') - - + + @property def blue(self): ''' - Get the gamma ramp for the blue channel. + Get the gamma ramp for the blue channel - @return The gamma ramp for the blue channel. + @return The gamma ramp for the blue channel ''' return self._blue - - + + @blue.setter def blue(self, value): ''' It is not possible to change this attribute, but a setter is - required for the getter to function. + required for the getter to function ''' raise AttributeError('cannot change ramps') - - + + @property def size(self) -> tuple: ''' - Get the ramps' sizes. + Get the ramps' sizes - @return :(red:int, green:int, blue:int) The size of each individual ramp. + @return :(red:int, green:int, blue:int) The size of each individual ramp ''' return (self._red.size, self._green.size, self._blue.size) - - + + @size.setter def size(self, value): ''' It is not possible to change this attribute, but a setter is - required for the getter to function. + required for the getter to function ''' raise AttributeError('cannot resize ramps') - - + + @property def depth(self) -> int: ''' - Get the depth of ramps. + Get the depth of ramps @return :int The ramps' depth in bits and -1 for single precision floating - point and -2 for doublesingle precision floating point. + point and -2 for doublesingle precision floating point ''' return self._depth - - + + @depth.setter def depth(self, value): ''' It is not possible to change this attribute, but a setter is - required for the getter to function. + required for the getter to function ''' raise AttributeError('cannot change depth') - class Site: ''' - Site state. + Site state On operating systems that integrate a graphical environment there is usually just one site. However, one systems with @@ -919,17 +896,17 @@ class Site: and the BSD:s, there can usually be any (feasible) number of sites. In X.org parlance they are called displays. - @variable method:int The adjustment method of the site. - @variable site:str? The site identifier. - @variable partitions_available:int The number of paritions available in the site. + @variable method:int The adjustment method of the site + @variable site:str? The site identifier + @variable partitions_available:int The number of paritions available in the site ''' - + def __init__(self, method : int, site : str = None): ''' - Constructor. + Constructor - @param method:int The adjustment method of the site. - @param site:str? The site identifier. + @param method:int The adjustment method of the site + @param site:str? The site identifier ''' from libgamma_native_facade import libgamma_native_site_create (self._state, n) = libgamma_native_site_create(method, site) @@ -938,20 +915,20 @@ class Site: self.partitions_available = n self.method = method self.site = site - - + + def __del__(self): ''' - This function is called when the object is not longer in use. + This function is called when the object is not longer in use ''' from libgamma_native_facade import libgamma_native_site_free if not self._state == 0: libgamma_native_site_free(self._state) - - + + def restore(self): ''' - Restore the gamma ramps all CRTC:s with the site to the system settings. + Restore the gamma ramps all CRTC:s with the site to the system settings ''' from libgamma_native_facade import libgamma_native_site_restore r = libgamma_native_site_restore(self._state) @@ -961,7 +938,7 @@ class Site: class Partition: ''' - Partition state. + Partition state Probably the majority of display server only one partition per site. However, X.org can, and traditional used to have @@ -972,17 +949,17 @@ class Partition: On hardware-level adjustment methods, such as Direct Rendering Manager, a partition is a graphics card - @variable site:Site The site of the partition. - @variable partition:int The index of the partition. - @variable crtcs_available:int The number of CRTC:s available in the parition. + @variable site:Site The site of the partition + @variable partition:int The index of the partition + @variable crtcs_available:int The number of CRTC:s available in the parition ''' - + def __init__(self, site : Site, partition : int): ''' Constructor. - @param site The site of the partition. - @param partition The index of the partition. + @param site The site of the partition + @param partition The index of the partition ''' from libgamma_native_facade import libgamma_native_partition_create (self._state, n) = libgamma_native_partition_create(site._state, partition) @@ -991,20 +968,20 @@ class Partition: self.crtcs_available = n self.site = site self.partition = partition - - + + def __del__(self): ''' - This function is called when the object is not longer in use. + This function is called when the object is not longer in use ''' from libgamma_native_facade import libgamma_native_partition_free if not self._state == 0: libgamma_native_partition_free(self._state) - - + + def restore(self): ''' - Restore the gamma ramps all CRTC:s with the partition to the system settings. + Restore the gamma ramps all CRTC:s with the partition to the system settings ''' from libgamma_native_facade import libgamma_native_partition_restore r = libgamma_native_partition_restore(self._state) @@ -1014,22 +991,22 @@ class Partition: class CRTC: ''' - Cathode ray tube controller state. + Cathode ray tube controller state The CRTC controls the gamma ramps for the monitor that is plugged in to the connector - that the CRTC belongs to. + that the CRTC belongs to - @variable partition:Partition The partition of the CRTC. - @variable crtc:int The index of the CRTC. + @variable partition:Partition The partition of the CRTC + @variable crtc:int The index of the CRTC ''' - + def __init__(self, partition : Partition, crtc : int): ''' - Constructor. + Constructor - @param partition The partition the of the CRTC. - @param crtc The index of the CRTC. + @param partition The partition the of the CRTC + @param crtc The index of the CRTC ''' from libgamma_native_facade import libgamma_native_crtc_create (self._state, n) = libgamma_native_crtc_create(partition._state, crtc) @@ -1037,46 +1014,46 @@ class CRTC: raise create_error(n) self.partition = partition self.crtc = crtc - - + + def __del__(self): ''' - This function is called when the object is not longer in use. + This function is called when the object is not longer in use ''' from libgamma_native_facade import libgamma_native_crtc_free if not self._state == 0: libgamma_native_crtc_free(self._state) - - + + def restore(self): ''' - Restore the gamma ramps for a CRTC to the system settings for that CRTC. + Restore the gamma ramps for a CRTC to the system settings for that CRTC ''' from libgamma_native_facade import libgamma_native_crtc_restore r = libgamma_native_crtc_restore(self._state) if not r == 0: raise create_error(r) - - + + def information(self, fields : int) -> tuple: ''' - Read information about a CRTC. + Read information about a CRTC @param field OR:ed identifiers for the information - about the CRTC that should be read. + about the CRTC that should be read @return :(:CRTCInformation, :bool) The information about the CRTC and - whether no errors occurred. + whether no errors occurred ''' from libgamma_native_facade import libgamma_native_get_crtc_information (data, e) = libgamma_native_get_crtc_information(self._state, fields) return (CRTCInformation(data), e == 0) - - + + def get_gamma(self, ramps : GammaRamps): ''' - Get the current gamma ramps for the CRTC. + Get the current gamma ramps for the CRTC - @param ramps The gamma ramps to fill with the current values. + @param ramps The gamma ramps to fill with the current values ''' from libgamma_native_facade import libgamma_native_crtc_get_gamma_ramps8 from libgamma_native_facade import libgamma_native_crtc_get_gamma_ramps16 @@ -1092,13 +1069,13 @@ class CRTC: elif ramps.depth == -2: r = libgamma_native_crtc_get_gamma_rampsd(self._state, ramps._ramps) if not r == 0: raise create_error(r) - - + + def set_gamma(self, ramps : GammaRamps): ''' - Set gamma ramps for the CRTC. + Set gamma ramps for the CRTC - @param ramps The gamma ramps to apply. + @param ramps The gamma ramps to apply ''' from libgamma_native_facade import libgamma_native_crtc_set_gamma_ramps8 from libgamma_native_facade import libgamma_native_crtc_set_gamma_ramps16 @@ -1114,4 +1091,3 @@ class CRTC: elif ramps.depth == -2: r = libgamma_native_crtc_set_gamma_rampsd(self._state, ramps._ramps) if not r == 0: raise create_error(r) - |