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/**
* libgamma — Display server abstraction layer for gamma ramp adjustments
* 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/>.
*/
#ifndef LIBGAMMA_ERROR_H
#define LIBGAMMA_ERROR_H
#if !defined(LIBGAMMA_CONFIG_H) && !defined(DEBUG)
# error libgamma-error.h should not be included directly, include libgamma.h instead
#endif
#include <sys/types.h>
/**
* Group that the user needs to be a member of if `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned
*/
extern gid_t libgamma_group_gid;
/**
* Group that the user needs to be a member of if `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned,
* `NULL` if the name of the group `libgamma_group_gid` cannot be determined
*/
extern const char* libgamma_group_name;
/**
* The selected adjustment method does not exist
* or has been excluded at compile-time
*/
#define LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD (-1)
/**
* `errno` has be set with a standard error number
* to indicate the what has gone wrong
*/
#define LIBGAMMA_ERRNO_SET (-2)
/**
* The selected site does not exist
*/
#define LIBGAMMA_NO_SUCH_SITE (-3)
/**
* The selected partition does not exist
*/
#define LIBGAMMA_NO_SUCH_PARTITION (-4)
/**
* The selected CRTC does not exist
*/
#define LIBGAMMA_NO_SUCH_CRTC (-5)
/**
* Counter overflowed when counting the number of available items
*/
#define LIBGAMMA_IMPOSSIBLE_AMOUNT (-6)
/**
* The selected connector is disabled, it does not have a CRTC
*/
#define LIBGAMMA_CONNECTOR_DISABLED (-7)
/**
* The selected CRTC could not be opened, reason unknown
*/
#define LIBGAMMA_OPEN_CRTC_FAILED (-8)
/**
* The CRTC information field is not supported by the adjustment method
*/
#define LIBGAMMA_CRTC_INFO_NOT_SUPPORTED (-9)
/**
* Failed to read the current gamma ramps for the selected CRTC, reason unknown
*/
#define LIBGAMMA_GAMMA_RAMP_READ_FAILED (-10)
/**
* Failed to write the current gamma ramps for the selected CRTC, reason unknown
*/
#define LIBGAMMA_GAMMA_RAMP_WRITE_FAILED (-11)
/**
* The specified ramp sizes does not match the ramps sizes returned by the
* adjustment methods in response to the query/command
*/
#define LIBGAMMA_GAMMA_RAMP_SIZE_CHANGED (-12)
/**
* The specified ramp sizes are not identical which is required by the adjustment method
* (Only returned in debug mode)
*/
#define LIBGAMMA_MIXED_GAMMA_RAMP_SIZE (-13)
/**
* The specified ramp sizes are not supported by the adjustment method
* (Only returned in debug mode)
*/
#define LIBGAMMA_WRONG_GAMMA_RAMP_SIZE (-14)
/**
* The adjustment method reported that the gamma ramps size is 1, or perhaps even zero or negative
*/
#define LIBGAMMA_SINGLETON_GAMMA_RAMP (-15)
/**
* The adjustment method failed to list available CRTC:s, reason unknown
*/
#define LIBGAMMA_LIST_CRTCS_FAILED (-16)
/**
* Failed to acquire mode resources from the adjustment method
*/
#define LIBGAMMA_ACQUIRING_MODE_RESOURCES_FAILED (-17)
/**
* The adjustment method reported that a negative number of partitions exists in the site
*/
#define LIBGAMMA_NEGATIVE_PARTITION_COUNT (-18)
/**
* The adjustment method reported that a negative number of CRTC:s exists in the partition
*/
#define LIBGAMMA_NEGATIVE_CRTC_COUNT (-19)
/**
* Device cannot be access becauses of insufficient permissions
*/
#define LIBGAMMA_DEVICE_RESTRICTED (-20)
/**
* Device cannot be access, reason unknown
*/
#define LIBGAMMA_DEVICE_ACCESS_FAILED (-21)
/**
* Device cannot be access, membership of the `libgamma_group_gid`
* (named by `libgamma_group_name` (can be `NULL`, if so `errno` may
* have been set to tell why)) is required
*/
#define LIBGAMMA_DEVICE_REQUIRE_GROUP (-22)
/**
* The graphics card appear to have been removed
*/
#define LIBGAMMA_GRAPHICS_CARD_REMOVED (-23)
/**
* The state of the requested information is unknown
*/
#define LIBGAMMA_STATE_UNKNOWN (-24)
/**
* Failed to determine which connector the CRTC belongs to
*/
#define LIBGAMMA_CONNECTOR_UNKNOWN (-25)
/**
* The detected connector type is not listed in this library and has to be updated
*/
#define LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED (-26)
/**
* The detected subpixel order is not listed in this library and has to be updated
*/
#define LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED (-27)
/**
* The length of the EDID does not match that of any supported EDID structure revision
*/
#define LIBGAMMA_EDID_LENGTH_UNSUPPORTED (-28)
/**
* The magic number in the EDID does not match that of any supported EDID structure revision
*/
#define LIBGAMMA_EDID_WRONG_MAGIC_NUMBER (-29)
/**
* The EDID structure revision used by the monitor is not supported
*/
#define LIBGAMMA_EDID_REVISION_UNSUPPORTED (-30)
/**
* The gamma characteristics field in the EDID is left unspecified
* (This could be considered a non-error)
*/
#define LIBGAMMA_GAMMA_NOT_SPECIFIED (-31)
/**
* The checksum in the EDID is incorrect, all request information has been provided
* by you cannot count on it.
*/
#define LIBGAMMA_EDID_CHECKSUM_ERROR (-32)
/**
* Both of the errors `LIBGAMMA_GAMMA_NOT_SPECIFIED` and
* `LIBGAMMA_EDID_CHECKSUM_ERROR` have occurred
*/
#define LIBGAMMA_GAMMA_NOT_SPECIFIED_AND_EDID_CHECKSUM_ERROR (-33)
/**
* Failed to query the gamma ramps size from the adjustment method, reason unknown
*/
#define LIBGAMMA_GAMMA_RAMPS_SIZE_QUERY_FAILED (-34)
/**
* The selected partition could not be opened, reason unknown
*/
#define LIBGAMMA_OPEN_PARTITION_FAILED (-35)
/**
* The selected site could not be opened, reason unknown
*/
#define LIBGAMMA_OPEN_SITE_FAILED (-36)
/**
* Failed to query the adjustment method for its protocol version, reason unknown
*/
#define LIBGAMMA_PROTOCOL_VERSION_QUERY_FAILED (-37)
/**
* The adjustment method's version of its protocol is not supported
*/
#define LIBGAMMA_PROTOCOL_VERSION_NOT_SUPPORTED (-38)
/**
* The number of the libgamma error with the lowest number.
* If this is lower than the number your program thinks it
* should be sould update your program for new errors.
*/
#define LIBGAMMA_ERROR_MIN (-38)
#endif
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