diff options
| -rw-r--r-- | src/libgamma_error.py | 73 | ||||
| -rw-r--r-- | src/libgamma_method.py | 195 | ||||
| -rw-r--r-- | src/libgamma_native_facade.pyx | 167 |
3 files changed, 357 insertions, 78 deletions
diff --git a/src/libgamma_error.py b/src/libgamma_error.py index 7b16886..865d666 100644 --- a/src/libgamma_error.py +++ b/src/libgamma_error.py @@ -134,16 +134,16 @@ def value_of_error(name : str) -> int: -LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD = -1 +LIBGAMMA_ERRNO_SET = -1 ''' -The selected adjustment method does not exist -or has been excluded at compile-time. +`errno` has be set with a standard error number +to indicate the what has gone wrong. ''' -LIBGAMMA_ERRNO_SET = -2 +LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD = -2 ''' -`errno` has be set with a standard error number -to indicate the what has gone wrong. +The selected adjustment method does not exist +or has been excluded at compile-time. ''' LIBGAMMA_NO_SUCH_SITE = -3 @@ -419,3 +419,64 @@ number your program thinks it should be sould update your program for new errors. ''' + + +class LibgammaError(Exception): + ''' + libgamma error class. + + @variable errno The error code. + @variable strerror The name of the error. + ''' + + def __init__(self, errno : int, strerror : str): + ''' + Constructor. + + @param errno The error code. + @param strerror The name of the error. + ''' + self.errno = errno + self.strerror = strerror + + def __str__(self) -> str: + ''' + Return the name of the error. + + @return The name of the error. + ''' + return self.strerror + + + def __repr__(self) -> str: + ''' + Create a string representation of the error. + + @return A string representation of the error. + ''' + return 'LibgammaError(%i, %s)' % (self.errno, repr(self.strerror)) + + + +def create_error(error_code : int) -> Exception: + ''' + Create an exception from an error code. + + @param error_code The error code. + @return :OSError|LibgammaError The error as a throwable object. + ''' + if error_code == LIBGAMMA_ERRNO_SET: + import ctypes + error_code = ctypes.get_errno() + + if error_code >= 0: + import c + e = OSError() + e.errno = error_code + e.strerror = c.strerror(e.errno) + else: + strerror = name_of_error(error_code) + e = LibgammaError(error_code, strerror) + + return e + diff --git a/src/libgamma_method.py b/src/libgamma_method.py index 67993f4..ffdf5f0 100644 --- a/src/libgamma_method.py +++ b/src/libgamma_method.py @@ -17,6 +17,8 @@ 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_error import create_error + LIBGAMMA_METHOD_DUMMY = 0 @@ -813,3 +815,196 @@ class GammaRamps: ''' raise AttributeError('cannot change depth') + + +class Site: + ''' + Site state. + + On operating systems that integrate a graphical environment + there is usually just one site. However, one systems with + pluggable graphics, like Unix-like systems such as GNU/Linux + 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 + ''' + + def __init__(self, method : int, site : str = None): + ''' + Constructor. + + @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) + if self.__state == 0: + raise create_error(n) + 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. + ''' + from libgamma_native_facade import libgamma_native_site_free + libgamma_native_site_free(self.__state) + + + def restore(self): + ''' + 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) + if not r == 0: + raise create_error(r) + + +class Partition: + ''' + Partition state. + + Probably the majority of display server only one partition + per site. However, X.org can, and traditional used to have + on multi-headed environments, multiple partitions per site. + In X.org partitions are called 'screens'. It is not to be + confused with monitor. A screen is a collection of monitors, + and the mapping from monitors to screens is a surjection. + 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. + ''' + + def __init__(self, site : Site, partition : int): + ''' + Constructor. + + @param site The site the 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, partition) + if self.__state == 0: + raise create_error(n) + 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. + ''' + from libgamma_native_facade import libgamma_native_partition_free + libgamma_native_partition_free(self.__state) + + + def restore(self): + ''' + 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) + if not r == 0: + raise create_error(r) + + +class CRTC: + ''' + 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. + + @variable partition:Partition The partition of the CRTC + @variable crtc:int The index of the CRTC + ''' + + def __init__(self, partition : Partition, crtc : int): + ''' + Constructor. + + @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, crtc) + if self.__state == 0: + 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. + ''' + from libgamma_native_facade import libgamma_native_crtc_free + libgamma_native_crtc_free(self.__state) + + + def restore(self): + ''' + 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(fields : int) -> tuple: + ''' + Read information about a CRTC. + + @param field OR:ed identifiers for the information + about the CRTC that should be read. + @return :(:CRTCInformation, :bool) The information about the CRTC and + 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(ramps : GammaRamps): + ''' + Get the current gamma ramps for the CRTC. + + @param ramps The gamma ramps to fill with the current values. + ''' + if ramps.depth == 8: r = libgamma_native_crtc_get_gamma_ramps8(self.__state, ramps.__ramp) + elif ramps.depth == 16: r = libgamma_native_crtc_get_gamma_ramps16(self.__state, ramps.__ramp) + elif ramps.depth == 32: r = libgamma_native_crtc_get_gamma_ramps32(self.__state, ramps.__ramp) + elif ramps.depth == 64: r = libgamma_native_crtc_get_gamma_ramps64(self.__state, ramps.__ramp) + elif ramps.depth == -1: r = libgamma_native_crtc_get_gamma_rampsf(self.__state, ramps.__ramp) + elif ramps.depth == -2: r = libgamma_native_crtc_get_gamma_rampsd(self.__state, ramps.__ramp) + if not r == 0: + raise create_error(r) + + + def set_gamma(ramps : GammaRamps): + ''' + Set gamma ramps for the CRTC. + + @param ramps The gamma ramps to apply. + ''' + if ramps.depth == 8: r = libgamma_native_crtc_set_gamma_ramps8(self.__state, ramps.__ramp) + elif ramps.depth == 16: r = libgamma_native_crtc_set_gamma_ramps16(self.__state, ramps.__ramp) + elif ramps.depth == 32: r = libgamma_native_crtc_set_gamma_ramps32(self.__state, ramps.__ramp) + elif ramps.depth == 64: r = libgamma_native_crtc_set_gamma_ramps64(self.__state, ramps.__ramp) + elif ramps.depth == -1: r = libgamma_native_crtc_set_gamma_rampsf(self.__state, ramps.__ramp) + elif ramps.depth == -2: r = libgamma_native_crtc_set_gamma_rampsd(self.__state, ramps.__ramp) + if not r == 0: + raise create_error(r) + diff --git a/src/libgamma_native_facade.pyx b/src/libgamma_native_facade.pyx index 33ba606..41ab169 100644 --- a/src/libgamma_native_facade.pyx +++ b/src/libgamma_native_facade.pyx @@ -22,6 +22,7 @@ cimport cython from libc.stddef cimport size_t from libc.stdlib cimport malloc, free from libc.stdint cimport int32_t, uint8_t, uint16_t, uint32_t, uint64_t +from libc.errno cimport errno ctypedef int libgamma_subpixel_order_t @@ -634,7 +635,7 @@ Release all resources in an information data structure for a CRTC. cdef extern int libgamma_crtc_get_gamma_ramps8(libgamma_crtc_state_t* this, libgamma_gamma_ramps8_t* ramps) ''' -Get current the gamma ramps for a CRTC, 8-bit gamma-depth version. +Get the current gamma ramps for a CRTC, 8-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values @@ -657,7 +658,7 @@ Set the gamma ramps for a CRTC, 8-bit gamma-depth version. cdef extern int libgamma_crtc_get_gamma_ramps16(libgamma_crtc_state_t* this, libgamma_gamma_ramps16_t* ramps) ''' -Get current the gamma ramps for a CRTC, 16-bit gamma-depth version. +Get the current gamma ramps for a CRTC, 16-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values @@ -680,7 +681,7 @@ Set the gamma ramps for a CRTC, 16-bit gamma-depth version. cdef extern int libgamma_crtc_get_gamma_ramps32(libgamma_crtc_state_t* this, libgamma_gamma_ramps32_t* ramps) ''' -Get current the gamma ramps for a CRTC, 32-bit gamma-depth version. +Get the current gamma ramps for a CRTC, 32-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. @@ -703,7 +704,7 @@ Set the gamma ramps for a CRTC, 32-bit gamma-depth version. cdef extern int libgamma_crtc_get_gamma_ramps64(libgamma_crtc_state_t* this, libgamma_gamma_ramps64_t* ramps) ''' -Get current the gamma ramps for a CRTC, 64-bit gamma-depth version. +Get the current gamma ramps for a CRTC, 64-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. @@ -737,7 +738,7 @@ Set the gamma ramps for a CRTC, `float` version. cdef extern int libgamma_crtc_get_gamma_rampsf(libgamma_crtc_state_t* this, libgamma_gamma_rampsf_t* ramps) ''' -Get current the gamma ramps for a CRTC, `float` version. +Get the current gamma ramps for a CRTC, `float` version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. @@ -749,7 +750,7 @@ Get current the gamma ramps for a CRTC, `float` version. cdef extern int libgamma_crtc_get_gamma_rampsd(libgamma_crtc_state_t* this, libgamma_gamma_rampsd_t* ramps) ''' -Get current the gamma ramps for a CRTC, `double` version. +Get the current gamma ramps for a CRTC, `double` version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. @@ -821,7 +822,7 @@ def libgamma_native_method_capabilities(method : int) -> tuple: Return the capabilities of an adjustment method. @param method The adjustment method (display server and protocol). - @return :(int, int) Input parameters for `MethodCapabilities.__init__` + @return :(int, int) Input parameters for `MethodCapabilities.__init__`. ''' cdef libgamma_method_capabilities_t caps libgamma_method_capabilities(&caps, <int>method) @@ -888,7 +889,9 @@ def libgamma_native_site_create(method : int, site : str) -> tuple: or allocate on the stack. Note however that it will not be `free`:d if this function fails. @return :(site:int, partitions:int) First value: The created site, zero on error - Second value: The number of partitions in the site, -1 on error + Second value: The number of partitions in the site, + on error: the value of the error identifier + provided by this library or `errno`. ''' cdef libgamma_site_state_t* this cdef char* site_ @@ -907,9 +910,9 @@ def libgamma_native_site_create(method : int, site : str) -> tuple: for i in range(len(site_bs)): site_[i] = <char>(site_bs[i]) r = int(libgamma_site_initialise(this, <int>method, site_)) - if r < 0: + if not r == 0: libgamma_site_free(this) - return (0, -1) + return (0, int(errno) if r == -1 else r) return (int(this_address), int(this.partitions_available)) @@ -932,14 +935,15 @@ def libgamma_native_site_restore(this : int) -> int: Restore the gamma ramps all CRTC:s with a site to the system settings. @param this The site state. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef libgamma_site_state_t* this_ this_address = <size_t>this this_ = <libgamma_site_state_t*><void*>this_address - return int(libgamma_site_restore(this_)) + r = int(libgamma_site_restore(this_)) + return int(errno) if r == -1 else r @@ -950,7 +954,9 @@ def libgamma_native_partition_create(site : int, partition : int) -> tuple: @param site The site state for the site that the partition belongs to. @param partition The index of the partition within the site. @return :(site:int, partitions:int) First value: The created partition, zero on error - Second value: The number of CRTC:s in the partition, -1 on error + Second value: The number of CRTC:s in the partition, + on error: the value of the error identifier + provided by this library or `errno`. ''' cdef libgamma_partition_state_t* this cdef libgamma_site_state_t* site_ @@ -963,9 +969,9 @@ def libgamma_native_partition_create(site : int, partition : int) -> tuple: raise MemoryError() this_address = <size_t><void*>this r = int(libgamma_partition_initialise(this, site_, <size_t>partition)) - if r < 0: + if not r == 0: libgamma_partition_free(this) - return (0, -1) + return (0, int(errno) if r == -1 else r) return (int(this_address), int(this.crtcs_available)) @@ -988,24 +994,27 @@ def libgamma_native_partition_restore(this : int) -> int: Restore the gamma ramps all CRTC:s with a partition to the system settings. @param this The partition state. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef libgamma_partition_state_t* this_ this_address = <size_t>this this_ = <libgamma_partition_state_t*><void*>this_address - return int(libgamma_partition_restore(this_)) + r = int(libgamma_partition_restore(this_)) + return int(errno) if r == -1 else r -def libgamma_native_crtc_create(partition : int, crtc : int) -> int: +def libgamma_native_crtc_create(partition : int, crtc : int) -> tuple: ''' Create an allocated CRTC state. - @param partition The partition state for the partition that the CRTC belongs to. - @param crtc The index of the CRTC within the partition. - @return The created CRTC, zero on error + @param partition The partition state for the partition that the CRTC belongs to. + @param crtc The index of the CRTC within the partition. + @return :(int, int) First value: The created CRTC, zero on error. + Second value: Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef libgamma_crtc_state_t* this cdef libgamma_partition_state_t* partition_ @@ -1018,10 +1027,10 @@ def libgamma_native_crtc_create(partition : int, crtc : int) -> int: raise MemoryError() this_address = <size_t><void*>this r = int(libgamma_crtc_initialise(this, partition_, <size_t>crtc)) - if r < 0: + if not r == 0: libgamma_crtc_free(this) - return 0 - return int(this_address) + return (0, int(errno) if r == -1 else r) + return (int(this_address), 0) def libgamma_native_crtc_free(this : int): @@ -1043,14 +1052,15 @@ def libgamma_native_crtc_restore(this : int) -> int: Restore the gamma ramps for a CRTC to the system settings for that CRTC. @param this The CRTC state - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef libgamma_crtc_state_t* this_ this_address = <size_t>this this_ = <libgamma_crtc_state_t*><void*>this_address - return int(libgamma_crtc_restore(this_)) + r = int(libgamma_crtc_restore(this_)) + return int(errno) if r == -1 else r @@ -1061,7 +1071,8 @@ def libgamma_native_get_crtc_information(crtc : int, fields : int) -> tuple: @param crtc The state of the CRTC whose information should be read. @param field OR:ed identifiers for the information about the CRTC that should be read. @return :(list, :int) First value: Input parametrs for `CRTCInformation.__init__` - Second value: Zero on success, -1 on error. On error refer to the error reports in the return. + Second value: Zero on success, -1 on error. On error refer to + the error reports in the return. ''' cdef libgamma_crtc_information_t info cdef size_t crtc_address @@ -1116,12 +1127,12 @@ def libgamma_native_get_crtc_information(crtc : int, fields : int) -> tuple: def libgamma_native_crtc_get_gamma_ramps8(this : int, ramps : int) -> int: ''' - Get current the gamma ramps for a CRTC, 8-bit gamma-depth version. + Get the current gamma ramps for a CRTC, 8-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1131,7 +1142,8 @@ def libgamma_native_crtc_get_gamma_ramps8(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps8_t*><void*>ramps_address - return int(libgamma_crtc_get_gamma_ramps8(this_, ramps_)) + r = int(libgamma_crtc_get_gamma_ramps8(this_, ramps_)) + return int(errno) if r == -1 else r def libgamma_native_crtc_set_gamma_ramps8(this : int, ramps : int) -> int: @@ -1140,8 +1152,8 @@ def libgamma_native_crtc_set_gamma_ramps8(this : int, ramps : int) -> int: @param this The CRTC state. @param ramps The gamma ramps to apply. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1151,18 +1163,19 @@ def libgamma_native_crtc_set_gamma_ramps8(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps8_t*><void*>ramps_address - return int(libgamma_crtc_set_gamma_ramps8(this_, ramps_[0])) + r = int(libgamma_crtc_set_gamma_ramps8(this_, ramps_[0])) + return int(errno) if r == -1 else r def libgamma_native_crtc_get_gamma_ramps16(this : int, ramps : int) -> int: ''' - Get current the gamma ramps for a CRTC, 16-bit gamma-depth version. + Get the current gamma ramps for a CRTC, 16-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1172,7 +1185,8 @@ def libgamma_native_crtc_get_gamma_ramps16(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps16_t*><void*>ramps_address - return int(libgamma_crtc_get_gamma_ramps16(this_, ramps_)) + r = int(libgamma_crtc_get_gamma_ramps16(this_, ramps_)) + return int(errno) if r == -1 else r def libgamma_native_crtc_set_gamma_ramps16(this : int, ramps : int) -> int: @@ -1181,8 +1195,8 @@ def libgamma_native_crtc_set_gamma_ramps16(this : int, ramps : int) -> int: @param this The CRTC state. @param ramps The gamma ramps to apply. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1192,18 +1206,19 @@ def libgamma_native_crtc_set_gamma_ramps16(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps16_t*><void*>ramps_address - return int(libgamma_crtc_set_gamma_ramps16(this_, ramps_[0])) + r = int(libgamma_crtc_set_gamma_ramps16(this_, ramps_[0])) + return int(errno) if r == -1 else r def libgamma_native_crtc_get_gamma_ramps32(this : int, ramps : int) -> int: ''' - Get current the gamma ramps for a CRTC, 32-bit gamma-depth version. + Get the current gamma ramps for a CRTC, 32-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1213,7 +1228,8 @@ def libgamma_native_crtc_get_gamma_ramps32(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps32_t*><void*>ramps_address - return int(libgamma_crtc_get_gamma_ramps32(this_, ramps_)) + r = int(libgamma_crtc_get_gamma_ramps32(this_, ramps_)) + return int(errno) if r == -1 else r def libgamma_native_crtc_set_gamma_ramps32(this : int, ramps : int) -> int: @@ -1222,8 +1238,8 @@ def libgamma_native_crtc_set_gamma_ramps32(this : int, ramps : int) -> int: @param this The CRTC state. @param ramps The gamma ramps to apply. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1233,18 +1249,19 @@ def libgamma_native_crtc_set_gamma_ramps32(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps32_t*><void*>ramps_address - return int(libgamma_crtc_set_gamma_ramps32(this_, ramps_[0])) + r = int(libgamma_crtc_set_gamma_ramps32(this_, ramps_[0])) + return int(errno) if r == -1 else r def libgamma_native_crtc_get_gamma_ramps64(this : int, ramps : int) -> int: ''' - Get current the gamma ramps for a CRTC, 64-bit gamma-depth version. + Get the current gamma ramps for a CRTC, 64-bit gamma-depth version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1254,7 +1271,8 @@ def libgamma_native_crtc_get_gamma_ramps64(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps64_t*><void*>ramps_address - return int(libgamma_crtc_get_gamma_ramps64(this_, ramps_)) + r = int(libgamma_crtc_get_gamma_ramps64(this_, ramps_)) + return int(errno) if r == -1 else r def libgamma_native_crtc_set_gamma_ramps64(this : int, ramps : int) -> int: @@ -1263,8 +1281,8 @@ def libgamma_native_crtc_set_gamma_ramps64(this : int, ramps : int) -> int: @param this The CRTC state. @param ramps The gamma ramps to apply. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1274,18 +1292,19 @@ def libgamma_native_crtc_set_gamma_ramps64(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_ramps64_t*><void*>ramps_address - return int(libgamma_crtc_set_gamma_ramps64(this_, ramps_[0])) + r = int(libgamma_crtc_set_gamma_ramps64(this_, ramps_[0])) + return int(errno) if r == -1 else r def libgamma_native_crtc_get_gamma_rampsf(this : int, ramps : int) -> int: ''' - Get current the gamma ramps for a CRTC, `float` version. + Get the current gamma ramps for a CRTC, `float` version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1295,7 +1314,8 @@ def libgamma_native_crtc_get_gamma_rampsf(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_rampsf_t*><void*>ramps_address - return int(libgamma_crtc_get_gamma_rampsf(this_, ramps_)) + r = int(libgamma_crtc_get_gamma_rampsf(this_, ramps_)) + return int(errno) if r == -1 else r def libgamma_native_crtc_set_gamma_rampsf(this : int, ramps : int) -> int: @@ -1304,8 +1324,8 @@ def libgamma_native_crtc_set_gamma_rampsf(this : int, ramps : int) -> int: @param this The CRTC state. @param ramps The gamma ramps to apply. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1315,18 +1335,19 @@ def libgamma_native_crtc_set_gamma_rampsf(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_rampsf_t*><void*>ramps_address - return int(libgamma_crtc_set_gamma_rampsf(this_, ramps_[0])) + r = int(libgamma_crtc_set_gamma_rampsf(this_, ramps_[0])) + return int(errno) if r == -1 else r def libgamma_native_crtc_get_gamma_rampsd(this : int, ramps : int) -> int: ''' - Get current the gamma ramps for a CRTC, `double` version. + Get the current gamma ramps for a CRTC, `double` version. @param this The CRTC state. @param ramps The gamma ramps to fill with the current values. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1336,7 +1357,8 @@ def libgamma_native_crtc_get_gamma_rampsd(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_rampsd_t*><void*>ramps_address - return int(libgamma_crtc_get_gamma_rampsd(this_, ramps_)) + r = int(libgamma_crtc_get_gamma_rampsd(this_, ramps_)) + return int(errno) if r == -1 else r def libgamma_native_crtc_set_gamma_rampsd(this : int, ramps : int) -> int: @@ -1345,8 +1367,8 @@ def libgamma_native_crtc_set_gamma_rampsd(this : int, ramps : int) -> int: @param this The CRTC state. @param ramps The gamma ramps to apply. - @return Zero on success, otherwise (negative) the value of an - error identifier provided by this library. + @return Zero on success, otherwise the value of an error + identifier provided by this library or `errno`. ''' cdef size_t this_address cdef size_t ramps_address @@ -1356,5 +1378,6 @@ def libgamma_native_crtc_set_gamma_rampsd(this : int, ramps : int) -> int: ramps_address = <size_t>ramps this_ = <libgamma_crtc_state_t*><void*>this_address ramps_ = <libgamma_gamma_rampsd_t*><void*>ramps_address - return int(libgamma_crtc_set_gamma_rampsd(this_, ramps_[0])) + r = int(libgamma_crtc_set_gamma_rampsd(this_, ramps_[0])) + return int(errno) if r == -1 else r |