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Diffstat (limited to 'src/libcoopgamma_native.pyx.gpp')
| -rw-r--r-- | src/libcoopgamma_native.pyx.gpp | 1898 |
1 files changed, 0 insertions, 1898 deletions
diff --git a/src/libcoopgamma_native.pyx.gpp b/src/libcoopgamma_native.pyx.gpp deleted file mode 100644 index eee05ec..0000000 --- a/src/libcoopgamma_native.pyx.gpp +++ /dev/null @@ -1,1898 +0,0 @@ -# -*- python -*- -''' -pylibcoopgamma -- Python library for interfacing with cooperative gamma servers -Copyright (C) 2016 Mattias Andrée (maandree@kth.se) - -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/>. -''' -cimport cython - -from libc.stddef cimport size_t -from libc.stdlib cimport calloc, malloc, free -from libc.stdint cimport int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t -from libc.errno cimport errno - - - -ctypedef int libcoopgamma_support_t -# Values used to indicate the support for gamma adjustments - -ctypedef int libcoopgamma_depth_t -# Values used to tell which datatype is used for the gamma ramp stops -# -# The values will always be the number of bits for integral types, and -# negative for floating-point types - -ctypedef int libcoopgamma_lifespan_t -# Values used to tell when a filter should be removed - -ctypedef int libcoopgamma_colourspace_t -# Colourspaces - - - -cdef extern from "include-libcoopgamma.h": - - ctypedef struct libcoopgamma_ramps_t: - # Gamma ramp structure - size_t u_red_size - # The number of stops in the red ramp - size_t u_green_size - # The number of stops in the green ramp - size_t u_blue_size - # The number of stops in the blue ramp - void* u_red - # The red ramp - void* u_green - # The green ramp - void* u_blue - # The blue ramp - - ctypedef struct libcoopgamma_filter_t: - # Data set to the coopgamma server to apply, update, or remove a filter - int64_t priority - # The priority of the filter, higher priority is applied first. - # The gamma correction should have priority 0. - char* crtc - # The CRTC for which this filter shall be applied - char* fclass - # Identifier for the filter - # - # The syntax must be "${PACKAGE_NAME}::${COMMAND_NAME}::${RULE}" - libcoopgamma_lifespan_t lifespan - # When shall the filter be removed? - # - # If this member's value is `LIBCOOPGAMMA_REMOVE`, - # only `.crtc` and `.class` need also be defined - libcoopgamma_depth_t depth - # The data type and bit-depth of the ramp stops - libcoopgamma_ramps_t ramps - # The gamma ramp adjustments of the filter - - ctypedef struct libcoopgamma_crtc_info_t: - # Gamma ramp meta information for a CRTC - int cooperative - # Is cooperative gamma server running? - libcoopgamma_depth_t depth - # Is gamma adjustments supported on the CRTC? - # If not, `.depth`, `.red_size`, `.green_size`, - # and `.blue_size` are undefined - libcoopgamma_support_t supported - # The data type and bit-depth of the ramp stops -$$<cpp <<EOF | tail -n 1 | sed '/#/d' -#include <limits.h> -#if INT_MAX != LONG_MAX - int padding__ -#endif -EOF -$$> - size_t red_size - # The number of stops in the red ramp - size_t green_size - # The number of stops in the green ramp - size_t blue_size - # The number of stops in the blue ramp - libcoopgamma_colourspace_t colourspace - # The monitor's colurspace - int have_gamut - # Whether `.red_x`, `.red_y`, `.green_x`, `.green_y`, `.blue_x`, `.blue_y`, - # `.white_x`, and `.white_y` are set. - # - # If this is true, but the colourspace is not RGB (or sRGB), - # there is something wrong. Please also check the colourspace. - unsigned red_x - # The x-value (CIE xyY) of the monitor's red colour, multiplied by 1024 - unsigned red_y - # The y-value (CIE xyY) of the monitor's red colour, multiplied by 1024 - unsigned green_x - # The x-value (CIE xyY) of the monitor's green colour, multiplied by 1024 - unsigned green_y - # The y-value (CIE xyY) of the monitor's green colour, multiplied by 1024 - unsigned blue_x - # The x-value (CIE xyY) of the monitor's blue colour, multiplied by 1024 - unsigned blue_y - # The y-value (CIE xyY) of the monitor's blue colour, multiplied by 1024 - unsigned white_x - # The x-value (CIE xyY) of the monitor's default white point, multiplied by 1024 - unsigned white_y - # The y-value (CIE xyY) of the monitor's default white point, multiplied by 1024 - - ctypedef struct libcoopgamma_filter_query_t: - # Data sent to the coopgamma server when requestng the current filter table - int64_t high_priority - # Do no return filters with higher priority than this value - int64_t low_priority - # Do no return filters with lower priority than this value - char* crtc - # The CRTC for which the the current filters shall returned - int coalesce - # Whether to coalesce all filters into one gamma ramp triplet -$$<cpp <<EOF | tail -n 1 | sed '/#/d' -#include <limits.h> -#if INT_MAX != LONG_MAX - int padding__ -#endif -EOF -$$> - - ctypedef struct libcoopgamma_queried_filter_t: - # Stripped down version of `libcoopgamma_filter` which only contains - # the information returned in response to "Command: get-gamma" - int64_t priority - # The filter's priority - char* fclass - # The filter's class - libcoopgamma_ramps_t ramps - # The gamma ramp adjustments of the filter - - ctypedef struct libcoopgamma_filter_table_t: - # Response type for "Command: get-gamma": a list of applied filters - # and meta-information that was necessary for decoding the response - size_t red_size - # The number of stops in the red ramp - size_t green_size - # The number of stops in the green ramp - size_t blue_size - # The number of stops in the blue ramp - size_t filter_count - # The number of filters - libcoopgamma_queried_filter_t* filters - # The filters, should be ordered by priority in descending order, - # lest there is something wrong with the coopgamma server - # - # If filter coalition was requested, there will be exactly one - # filter (`.filter_count == 1`) and `.filters->class == NULL` - # and `.filters->priority` is undefined. - libcoopgamma_depth_t depth - # The data type and bit-depth of the ramp stops -$$<cpp <<EOF | tail -n 1 | sed '/#/d' -#include <limits.h> -#if INT_MAX != LONG_MAX - int padding__ -#endif -EOF -$$> - - ctypedef struct libcoopgamma_error_t: - # Error message from coopgamma server - uint64_t number - # Error code - # - # If `.custom` is false, 0 indicates success, otherwise, - # 0 indicates that no error code has been assigned - int custom - # Is this a custom error? - int server_side - # Did the error occur on the server-side? - char* description - # Error message, can be `NULL` if `.custom` is false - - ctypedef struct libcoopgamma_context_t: - # Library state - # - # Use of this structure is not thread-safe create one instance - # per thread that uses this structure - libcoopgamma_error_t error - # The error of the last failed function call - # - # This member is undefined after successful function call - int fd - # File descriptor for the socket - int have_all_headers - # Whether `libcoopgamma_synchronise` have read the empty end-of-headers line - int bad_message - # Whether `libcoopgamma_synchronise` is reading a corrupt but recoverable message - int blocking - # Is communication blocking? - uint32_t message_id - # Message ID of the next message - uint32_t in_response_to - # The ID of outbound message to which the inbound message being read by - # `libcoopgamma_synchronise` is a response - char* outbound - # Buffer with the outbound message - size_t outbound_head - # The write head for `outbound` - size_t outbound_tail - # The read head for `outbound` - size_t outbound_size - # The allocation size of `outbound` - char* inbound - # Buffer with the inbound message - size_t inbound_head - # The write head for `inbound` - size_t inbound_tail - # The read head for `inbound` - size_t inbound_size - # The allocation size of `inbound` - size_t length - # The value of 'Length' header in the inbound message - size_t curline - # The beginning of the current line that is being read by `libcoopgamma_synchronise` - - ctypedef struct libcoopgamma_async_context_t: - # Information necessary to identify and parse a response from the server - uint32_t message_id - # The value of the 'In response to' header in the waited message - int coalesce - # Whether to coalesce all filters into one gamma ramp triplet - - - -cdef extern int libcoopgamma_ramps_initialise_(libcoopgamma_ramps_t* this, size_t width) nogil -''' -Initialise a `libcoopgamma_ramps_t` - -`this->red_size`, `this->green_size`, and `this->blue_size` must already be set - -@param this The record to initialise -@param width The `sizeof(*(this->red))` -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_ramps_destroy(libcoopgamma_ramps_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_ramps_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_ramps_initialise -or failed call to `libcoopgamma_ramps_unmarshal - -@param this The record to destroy -''' - -cdef extern int libcoopgamma_filter_initialise(libcoopgamma_filter_t* this) nogil -''' -Initialise a `libcoopgamma_filter_t` - -@param this The record to initialise -@return Zero on success, -1 on err -''' - -cdef extern void libcoopgamma_filter_destroy(libcoopgamma_filter_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_filter_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_filter_initialise` -or failed call to `libcoopgamma_filter_unmarshal` - -@param this The record to destroy -''' - -cdef extern int libcoopgamma_crtc_info_initialise(libcoopgamma_crtc_info_t* this) nogil -''' -Initialise a `libcoopgamma_crtc_info_t` - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_crtc_info_destroy(libcoopgamma_crtc_info_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_crtc_info_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_crtc_info_initialise` -or failed call to `libcoopgamma_crtc_info_unmarshal - -@param this The record to destroy -''' - -cdef extern int libcoopgamma_filter_query_initialise(libcoopgamma_filter_query_t* this) nogil -''' -Initialise a `libcoopgamma_filter_query_t` - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_filter_query_destroy(libcoopgamma_filter_query_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_filter_query_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_filter_query_initialise` -or failed call to `libcoopgamma_filter_query_unmarshal` - -@param this The record to destroy -''' - -cdef extern int libcoopgamma_queried_filter_initialise(libcoopgamma_queried_filter_t* this) nogil -''' -Initialise a `libcoopgamma_queried_filter_t` - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_queried_filter_destroy(libcoopgamma_queried_filter_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_queried_filter_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_queried_filter_initialise` -or failed call to `libcoopgamma_queried_filter_unmarshal - -@param this The record to destro -''' - -cdef extern int libcoopgamma_filter_table_initialise(libcoopgamma_filter_table_t* this) nogil -''' -Initialise a `libcoopgamma_filter_table_t - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_filter_table_destroy(libcoopgamma_filter_table_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_filter_table_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_filter_table_initialise` -or failed call to `libcoopgamma_filter_table_unmarshal` - -@param this The record to destroy -''' - -cdef extern void libcoopgamma_filter_table_destroy(libcoopgamma_filter_table_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_filter_table_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_filter_table_initialise` -or failed call to `libcoopgamma_filter_table_unmarshal` - -@param this The record to destroy -''' - -cdef extern int libcoopgamma_error_initialise(libcoopgamma_error_t* this) nogil -''' -Initialise a `libcoopgamma_error_t` - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_error_destroy(libcoopgamma_error_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_error_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_error_initialise` -or failed call to `libcoopgamma_error_unmarshal` - -@param this The record to destroy -''' - -cdef extern int libcoopgamma_context_initialise(libcoopgamma_context_t* this) nogil -''' -Initialise a `libcoopgamma_context_t` - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_context_destroy(libcoopgamma_context_t* this, int disconnect) nogil -''' -Release all resources allocated to a `libcoopgamma_context_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_context_initialise` -or failed call to `libcoopgamma_context_unmarshal` - -@param this The record to destroy -@param disconnect Disconnect from the server? -''' - -cdef extern size_t libcoopgamma_context_marshal(const libcoopgamma_context_t* this, void* buf) nogil -''' -Marshal a `libcoopgamma_context_t` into a buffer - -@param this The record to marshal -@param buf The output buffer, `NULL` to only measure - how large this buffer has to be -@return The number of marshalled bytes, or if `buf == NULL`, - how many bytes would be marshalled if `buf != NULL` -''' - -cdef extern int libcoopgamma_context_unmarshal(libcoopgamma_context_t* this, const void* buf, size_t* n) nogil -''' -Unmarshal a `libcoopgamma_context_t` from a buffer - -@param this The output parameter for unmarshalled record -@param buf The buffer with the marshalled record -@param n Output parameter for the number of unmarshalled bytes, undefined on failure -@return `LIBCOOPGAMMA_SUCCESS` (0), `LIBCOOPGAMMA_INCOMPATIBLE_DOWNGRADE`, - `LIBCOOPGAMMA_INCOMPATIBLE_UPGRADE`, or `LIBCOOPGAMMA_ERRNO_SET` -''' - -cdef extern int libcoopgamma_async_context_initialise(libcoopgamma_async_context_t* this) nogil -''' -Initialise a `libcoopgamma_async_context_t` - -@param this The record to initialise -@return Zero on success, -1 on error -''' - -cdef extern void libcoopgamma_async_context_destroy(libcoopgamma_async_context_t* this) nogil -''' -Release all resources allocated to a `libcoopgamma_async_context_t`, -the allocation of the record itself is not freed - -Always call this function after failed call to `libcoopgamma_async_context_initialise` -or failed call to `libcoopgamma_async_context_unmarshal` - -@param this The record to destroy -''' - -cdef extern size_t libcoopgamma_async_context_marshal(const libcoopgamma_async_context_t* this, void* buf) nogil -''' -Marshal a `libcoopgamma_async_context_t` into a buffer - -@param this The record to marshal -@param buf The output buffer, `NULL` to only measure - how large this buffer has to be -@return The number of marshalled bytes, or if `buf == NULL`, - how many bytes would be marshalled if `buf != NULL` -''' - -cdef extern int libcoopgamma_async_context_unmarshal(libcoopgamma_async_context_t* this, - const void* buf, size_t* n) nogil -''' -Unmarshal a `libcoopgamma_async_context_t` from a buffer - -@param this The output parameter for unmarshalled record -@param buf The buffer with the marshalled record -@param n Output parameter for the number of unmarshalled bytes, undefined on failure -@return `LIBCOOPGAMMA_SUCCESS` (0), `LIBCOOPGAMMA_INCOMPATIBLE_DOWNGRADE`, - `LIBCOOPGAMMA_INCOMPATIBLE_UPGRADE`, or `LIBCOOPGAMMA_ERRNO_SET` -''' - -cdef extern char** libcoopgamma_get_methods() nogil -''' -List all recognised adjustment method - -SIGCHLD must not be ignored or blocked - -@return A `NULL`-terminated list of names. You should only free - the outer pointer, inner pointers are subpointers of the - outer pointer and cannot be freed. `NULL` on error. -''' - -cdef extern int libcoopgamma_get_method_and_site(const char* method, const char* site, - char** methodp, char** sitep) nogil -''' -Get the adjustment method and site - -SIGCHLD must not be ignored or blocked - -@param method The adjustment method, `NULL` for automatic -@param site The site, `NULL` for automatic -@param methodp Output pointer for the selected adjustment method, - which cannot be `NULL`. It is safe to call - this function with this parameter set to `NULL`. -@param sitep Output pointer for the selected site, which will - be `NULL` the method only supports one site or if - `site == NULL` and no site can be selected - automatically. It is safe to call this function - with this parameter set to `NULL`. -@return Zero on success, -1 on error -''' - -cdef extern char* libcoopgamma_get_pid_file(const char* method, const char* site) nogil -''' -Get the PID file of the coopgamma server - -SIGCHLD must not be ignored or blocked - -@param method The adjustment method, `NULL` for automatic -@param site The site, `NULL` for automatic -@return The pathname of the server's PID file, `NULL` on error - or if there server does not use PID files. The later - case is detected by checking that `errno` is set to 0. -''' - -cdef extern char* libcoopgamma_get_socket_file(const char* method, const char* site) nogil -''' -Get the socket file of the coopgamma server - -SIGCHLD must not be ignored or blocked - -@param method The adjustment method, `NULL` for automatic -@param site The site, `NULL` for automatic -@return The pathname of the server's socket, `NULL` on error - or if there server does have its own socket. The later - case is detected by checking that `errno` is set to 0, - and is the case when communicating with a server in a - multi-server display server like mds. -''' - -cdef extern int libcoopgamma_connect(const char* method, const char* site, libcoopgamma_context_t* ctx) nogil -''' -Connect to a coopgamma server, and start it if necessary - -Use `libcoopgamma_context_destroy` to disconnect - -SIGCHLD must not be ignored or blocked - -@param method The adjustment method, `NULL` for automatic -@param site The site, `NULL` for automatic -@param ctx The state of the library, must be initialised -@return Zero on success, -1 on error. On error, `errno` is set - to 0 if the server could not be initialised. -''' - -cdef extern int libcoopgamma_set_nonblocking(libcoopgamma_context_t* ctx, int nonblocking) nogil -''' -By default communication is blocking, this function -can be used to switch between blocking and nonblocking - -After setting the communication to nonblocking, -`libcoopgamma_flush`, `libcoopgamma_synchronise` and -and request-sending functions can fail with EAGAIN and -EWOULDBLOCK. It is safe to continue with `libcoopgamma_flush` -(for `libcoopgamma_flush` it selfand equest-sending functions) -or `libcoopgamma_synchronise` just like EINTR failure. - -@param ctx The state of the library, must be connected -@param nonblocking Nonblocking mode? -@return Zero on success, -1 on error -''' - -cdef extern int libcoopgamma_flush(libcoopgamma_context_t* ctx) nogil -''' -Send all pending outbound data - -If this function or another function that sends a request -to the server fails with EINTR, call this function to -complete the transfer. The `async_ctx` parameter will always -be in a properly configured state if a function fails -with EINTR. - -@param ctx The state of the library, must be connected -@return Zero on success, -1 on error -''' - -cdef extern int libcoopgamma_synchronise(libcoopgamma_context_t* ctx, libcoopgamma_async_context_t* pending, - size_t n, size_t* selected) nogil -''' -Wait for the next message to be received - -@param ctx The state of the library, must be connected -@param pending Information for each pending request -@param n The number of elements in `pending` -@param selected The index of the element in `pending` which corresponds - to the first inbound message, note that this only means - that the message is not for any of the other request, - if the message is corrupt any of the listed requests can - be selected even if it is not for any of the requests. - Functions that parse the message will detect such corruption. -@return Zero on success, -1 on error. If the the message is ignored, - which happens if corresponding `libcoopgamma_async_context_t` - is not listed, -1 is returned and `errno` is set to 0. If -1 - is returned, `errno` is set to `ENOTRECOVERABLE` you have - received a corrupt message and the context has been tainted - beyond recover. -''' - -cdef extern void libcoopgamma_skip_message(libcoopgamma_context_t* ctx) nogil -''' -Tell the library that you will not be parsing a receive message - -@param ctx The state of the library, must be connected -''' - -cdef extern int libcoopgamma_get_crtcs_send(libcoopgamma_context_t* ctx, libcoopgamma_async_context_t* async_ctx) nogil -''' -List all available CRTC:s, send request part - -Cannot be used before connecting to the server - -@param ctx The state of the library, must be connected -@param async_ctx Information about the request, that is needed to - identify and parse the response, is stored here -@return Zero on success, -1 on error -''' - -cdef extern char** libcoopgamma_get_crtcs_recv(libcoopgamma_context_t* ctx, libcoopgamma_async_context_t* async_ctx) nogil -''' -List all available CRTC:s, receive response part - -@param ctx The state of the library, must be connected -@param async_ctx Information about the request -@return A `NULL`-terminated list of names. You should only free - the outer pointer, inner pointers are subpointers of the - outer pointer and cannot be freed. `NULL` on error, in - which case `ctx->error` (rather than `errno`) is read - for information about the error. -''' - -cdef extern char** libcoopgamma_get_crtcs_sync(libcoopgamma_context_t* ctx) nogil -''' -List all available CRTC:s, synchronous version - -This is a synchronous request function, as such, -you have to ensure that communication is blocking -(default), and that there are not asynchronous -requests waiting, it also means that EINTR:s are -silently ignored and there no wait to cancel the -operation without disconnection from the server - -@param ctx The state of the library, must be connected -@return A `NULL`-terminated list of names. You should only free - the outer pointer, inner pointers are subpointers of the - outer pointer and cannot be freed. `NULL` on error, in - which case `ctx->error` (rather than `errno`) is read - for information about the error. -''' - -cdef extern int libcoopgamma_get_gamma_info_send(const char* crtc, libcoopgamma_context_t* ctx, - libcoopgamma_async_context_t* async_ctx) nogil -''' -Retrieve information about a CRTC:s gamma ramps, send request part - -Cannot be used before connecting to the server - -@param crtc The name of the CRTC -@param ctx The state of the library, must be connected -@param async_ctx Information about the request, that is needed to - identify and parse the response, is stored here -@return Zero on success, -1 on error -''' - -cdef extern int libcoopgamma_get_gamma_info_recv(libcoopgamma_crtc_info_t* info, libcoopgamma_context_t* ctx, - libcoopgamma_async_context_t* async_ctx) nogil -''' -Retrieve information about a CRTC:s gamma ramps, receive response part - -@param info Output parameter for the information, must be initialised -@param ctx The state of the library, must be connected -@param async_ctx Information about the request -@return Zero on success, -1 on error, in which case `ctx->error` - (rather than `errno`) is read for information about the error -''' - -cdef extern int libcoopgamma_get_gamma_info_sync(const char* crtc, libcoopgamma_crtc_info_t* info, - libcoopgamma_context_t* ctx) nogil -''' -Retrieve information about a CRTC:s gamma ramps, synchronous version - -This is a synchronous request function, as such, -you have to ensure that communication is blocking -(default), and that there are not asynchronous -requests waiting, it also means that EINTR:s are -silently ignored and there no wait to cancel the -operation without disconnection from the server - -@param crtc The name of the CRTC -@param info Output parameter for the information, must be initialised -@param ctx The state of the library, must be connected -@return Zero on success, -1 on error, in which case `ctx->error` - (rather than `errno`) is read for information about the error -''' - -cdef extern int libcoopgamma_get_gamma_send(const libcoopgamma_filter_query_t* query, - libcoopgamma_context_t* ctx, libcoopgamma_async_context_t* async_ctx) nogil -''' -Retrieve the current gamma ramp adjustments, send request part - -Cannot be used before connecting to the server - -@param query The query to send -@param ctx The state of the library, must be connected -@param async_ctx Information about the request, that is needed to - identify and parse the response, is stored here -@return Zero on success, -1 on error -''' - -cdef extern int libcoopgamma_get_gamma_recv(libcoopgamma_filter_table_t* table, libcoopgamma_context_t* ctx, - libcoopgamma_async_context_t* async_ctx) nogil -''' -Retrieve the current gamma ramp adjustments, receive response part - -@param table Output for the response, must be initialised -@param ctx The state of the library, must be connected -@param async_ctx Information about the request -@return Zero on success, -1 on error, in which case `ctx->error` - (rather than `errno`) is read for information about the error -''' - -cdef extern int libcoopgamma_get_gamma_sync(const libcoopgamma_filter_query_t* query, - libcoopgamma_filter_table_t* table, libcoopgamma_context_t* ctx) nogil -''' -Retrieve the current gamma ramp adjustments, synchronous version - -This is a synchronous request function, as such, -you have to ensure that communication is blocking -(default), and that there are not asynchronous -requests waiting, it also means that EINTR:s are -silently ignored and there no wait to cancel the -operation without disconnection from the server - -@param query The query to send -@param table Output for the response, must be initialised -@param ctx The state of the library, must be connected -@return Zero on success, -1 on error, in which case `ctx->error` - (rather than `errno`) is read for information about the error -''' - -cdef extern int libcoopgamma_set_gamma_send(const libcoopgamma_filter_t* filtr, libcoopgamma_context_t* ctx, - libcoopgamma_async_context_t* async_ctx) nogil -''' -Apply, update, or remove a gamma ramp adjustment, send request part - -Cannot be used before connecting to the server - -@param filtr The filter to apply, update, or remove, gamma ramp meta-data must match the CRTC's -@param ctx The state of the library, must be connected -@param async_ctx Information about the request, that is needed to - identify and parse the response, is stored here -@return Zero on success, -1 on error -''' - -cdef extern int libcoopgamma_set_gamma_recv(libcoopgamma_context_t* ctx, libcoopgamma_async_context_t* async_ctx) nogil -''' -Apply, update, or remove a gamma ramp adjustment, receive response part - -@param ctx The state of the library, must be connected -@param async_ctx Information about the request -@return Zero on success, -1 on error, in which case `ctx->error` - (rather than `errno`) is read for information about the error -''' - -cdef extern int libcoopgamma_set_gamma_sync(const libcoopgamma_filter_t* filtr, libcoopgamma_context_t* ctx) nogil -''' -Apply, update, or remove a gamma ramp adjustment, synchronous version - -This is a synchronous request function, as such, -you have to ensure that communication is blocking -(default), and that there are not asynchronous -requests waiting, it also means that EINTR:s are -silently ignored and there no wait to cancel the -operation without disconnection from the server - -@param filtr The filter to apply, update, or remove, gamma ramp meta-data must match the CRTC's -@param ctx The state of the library, must be connected -@return Zero on success, -1 on error, in which case `ctx->error` - (rather than `errno`) is read for information about the error -''' - - - -def libcoopgamma_native_get_methods(): - ''' - List all recognised adjustment method - - SIGCHLD must not be ignored or blocked - - @return :list<str>|int Either the value of `errno` (on failure), or (on success) a list - of names. You should only free the outer pointer, inner pointers - are subpointers of the outer pointer and cannot be freed. - ''' - cdef char** methods = libcoopgamma_get_methods() - cdef bytes bs - if methods is NULL: - return int(errno) - try: - ret = [] - i = 0 - while methods[i] is not NULL: - bs = methods[i] - ret.append(bs.decode('utf-8', 'strict')) - i += 1 - finally: - free(methods) - return ret - - -def libcoopgamma_native_get_method_and_site(method : str, site : str): - ''' - Get the adjustment method and site - - SIGCHLD must not be ignored or blocked - - @param method:str? The adjustment method, `None` for automatic - @param site:str? The site, `None` for automatic - @return :int|(:str, :str?) Either the value of `errno` (on failure), or (on success) - the selected adjustment method and the selected the - selected site. If the adjustment method only supports - one site or if `site` is `None` and no site can be - selected automatically, the selected site (the second - element in the returned tuple) will be `None`. - ''' - cdef char* cmethod = NULL - cdef char* csite = NULL - cdef char* rcsmethod = NULL - cdef char* rcssite = NULL - cdef bytes rbsmethod - cdef bytes rbssite - try: - if method is not None: - buf = method.encode('utf-8') + bytes([0]) - cmethod = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - cmethod[i] = <char>(buf[i]) - if site is not None: - buf = site.encode('utf-8') + bytes([0]) - csite = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - csite[i] = <char>(buf[i]) - rmethod, rsite = None, None - if libcoopgamma_get_method_and_site(cmethod, csite, &rcsmethod, &rcssite) < 0: - return int(errno) - rbsmethod = rcsmethod - rmethod = rbsmethod.decode('utf-8', 'strict') - if rcssite is not NULL: - rbssite = rcssite - rsite = rbssite.decode('utf-8', 'strict') - return (rmethod, rsite) - finally: - free(cmethod) - free(csite) - free(rcsmethod) - free(rcssite) - - -def libcoopgamma_native_get_pid_file(method : str, site : str): - ''' - Get the PID file of the coopgamma server - - SIGCHLD must not be ignored or blocked - - @param method:str? The adjustment method, `None` for automatic - @param site:str? The site, `None` for automatic - @return :int|str? Either the value of `errno` (on failure), or (on success) - the pathname of the server's PID file. `None` if the server - does not use PID files. - ''' - cdef char* cmethod = NULL - cdef char* csite = NULL - cdef char* path = NULL - cdef bytes bs - try: - if method is not None: - buf = method.encode('utf-8') + bytes([0]) - cmethod = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - cmethod[i] = <char>(buf[i]) - if site is not None: - buf = site.encode('utf-8') + bytes([0]) - csite = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - csite[i] = <char>(buf[i]) - path = libcoopgamma_get_pid_file(cmethod, csite) - if path is not NULL or errno == 0: - bs = path - return bs.decode('utf-8', 'strict') - finally: - free(cmethod) - free(csite) - free(path) - return int(errno) - - -def libcoopgamma_native_get_socket_file(method : str, site : str): - ''' - Get the socket file of the coopgamma server - - SIGCHLD must not be ignored or blocked - - @param method:int|str? The adjustment method, `None` for automatic - @param site:str? The site, `None` for automatic - @return :int|str? Either the value of `errno` (on failure), or (on success) - the pathname of the server's socket, `None` if the server does have - its own socket, which is the case when communicating with a server - in a multi-server display server like mds - ''' - cdef char* cmethod = NULL - cdef char* csite = NULL - cdef char* path = NULL - cdef bytes bs - try: - if method is not None: - buf = method.encode('utf-8') + bytes([0]) - cmethod = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - cmethod[i] = <char>(buf[i]) - if site is not None: - buf = site.encode('utf-8') + bytes([0]) - csite = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - csite[i] = <char>(buf[i]) - path = libcoopgamma_get_socket_file(cmethod, csite) - if path is not NULL or errno == 0: - bs = path - return bs.decode('utf-8', 'strict') - finally: - free(cmethod) - free(csite) - free(path) - return int(errno) - - -def libcoopgamma_native_context_create(): - ''' - Create an instance of `libcoopgamma_context_t` - - @return :(:bool, :int) Element 0: Whether the call was successful - Element 1: The value of `errno` on failure, and on - success, the address of the created instance - ''' - cdef libcoopgamma_context_t* this - this = <libcoopgamma_context_t*>malloc(sizeof(libcoopgamma_context_t)) - if this is NULL: - return (False, int(errno)) - if libcoopgamma_context_initialise(this) < 0: - saved_errno = int(errno) - libcoopgamma_context_destroy(this, <int>0) - free(this) - return (False, saved_errno) - return (True, int(<intptr_t><void*>this)) - - -def libcoopgamma_native_context_free(address : int): - ''' - Disconnect and free an instance of a `libcoopgamma_context_t` - - @param address:int The address of the `libcoopgamma_context_t` instance - ''' - cdef libcoopgamma_context_t* this = <libcoopgamma_context_t*><void*><intptr_t>address - libcoopgamma_context_destroy(this, <int>1) - free(this) - - -def libcoopgamma_native_context_marshal(address : int): - ''' - Marshal a `libcoopgamma_context_t` into a buffer - - @param address:int The address of the instance to marshal - @return :int|bytes Either the value of `errno` (on failure), or (on success) - a byte representation of the instance - ''' - cdef libcoopgamma_context_t* this = <libcoopgamma_context_t*><void*><intptr_t>address - cdef size_t n = libcoopgamma_context_marshal(this, NULL) - cdef char* buf = <char*>malloc(n) - if buf is NULL: - return int(errno) - try: - libcoopgamma_context_marshal(this, buf) - return bytes(int(<int><unsigned char>(buf[i])) for i in range(int(n))) - finally: - free(buf) - - -def libcoopgamma_native_context_unmarshal(buf : bytes): - ''' - Unmarshal a `libcoopgamma_context_t` from a buffer - - @param buf:bytes The buffer with the marshalled instance - @return :(:int, :int) Element 0: 0 = Success - 1 = Incompatible downgrade - 2 = Incompatible upgrade - -1 = `errno` is returned - Element 1: If [0] = 0: The address of the unmarshalled instance - If [0] = -1: The value of `errno` - ''' - cdef size_t _n = 0 - cdef libcoopgamma_context_t* this - cdef char* bs = NULL - success = False - this = <libcoopgamma_context_t*>calloc(1, sizeof(libcoopgamma_context_t)) - if this is NULL: - return (-1, int(errno)) - try: - if libcoopgamma_context_initialise(this) < 0: - return (-1, int(errno)) - bs = <char*>malloc(len(buf) * sizeof(char)) - if bs is NULL: - return (-1, int(errno)) - for i in range(len(buf)): - bs[i] = <char><unsigned char>(buf[i]) - ret = int(libcoopgamma_context_unmarshal(this, bs, &_n)) - ret = (ret, int(<intptr_t><void*>this)) - success = True - return ret - finally: - if not success: - libcoopgamma_context_destroy(this, <int>1) - free(this) - free(bs) - - -def libcoopgamma_native_context_set_fd(address : int, fd : int): - ''' - Set the field for socket file descriptor in a `libcoopgamma_context_t` - - @param address:int The address of the `libcoopgamma_context_t` instance - @param fd:int The file descriptor - ''' - cdef libcoopgamma_context_t* this = <libcoopgamma_context_t*><void*><intptr_t>address - this.fd = fd - - -def libcoopgamma_native_async_context_create(): - ''' - Create an instance of `libcoopgamma_context_t` - - @return :(:bool, :int) Element 0: Whether the call was successful - Element 1: The value of `errno` on failure, and on - success, the address of the created instance - ''' - cdef libcoopgamma_context_t* this - this = <libcoopgamma_context_t*>malloc(sizeof(libcoopgamma_context_t)) - if this is NULL: - return (False, int(errno)) - if libcoopgamma_context_initialise(this) < 0: - saved_errno = int(errno) - libcoopgamma_context_destroy(this, <int>0) - free(this) - return (False, saved_errno) - return (True, int(<intptr_t><void*>this)) - - -def libcoopgamma_native_async_context_free(address : int): - ''' - Free an instance of a `libcoopgamma_async_context_t` - - @param address:int The address of the `libcoopgamma_async_context_t` instance - ''' - cdef libcoopgamma_async_context_t* this = <libcoopgamma_async_context_t*><void*><intptr_t>address - libcoopgamma_async_context_destroy(this) - free(this) - - -def libcoopgamma_native_async_context_marshal(address : int): - ''' - Marshal a `libcoopgamma_async_context_t` into a buffer - - @param address:int The address of the instance to marshal - @return :int|bytes Either the value of `errno` (on failure), or (on success) - a byte representation of the instance - ''' - cdef libcoopgamma_async_context_t* this = <libcoopgamma_async_context_t*><void*><intptr_t>address - cdef size_t n = libcoopgamma_async_context_marshal(this, NULL) - cdef char* buf = <char*>malloc(n) - try: - if buf is NULL: - return int(errno) - libcoopgamma_async_context_marshal(this, buf) - ret = bytes(int(<int><unsigned char>(buf[i])) for i in range(int(n))) - finally: - free(buf) - return ret - - -def libcoopgamma_native_async_context_unmarshal(buf : bytes): - ''' - Unmarshal a `libcoopgamma_async_context_t` from a buffer - - @param buf:bytes The buffer with the marshalled instance - @return :(:int, :int) Element 0: 0 = Success - 1 = Incompatible downgrade - 2 = Incompatible upgrade - -1 = `errno` is returned - Element 1: If [0] = 0: The address of the unmarshalled instance - If [0] = -1: The value of `errno` - ''' - cdef size_t _n = 0 - cdef libcoopgamma_async_context_t* this - cdef char* bs = NULL - successful = False - this = <libcoopgamma_async_context_t*>malloc(sizeof(libcoopgamma_async_context_t)) - try: - if this is NULL: - return (-1, int(errno)) - if libcoopgamma_async_context_initialise(this) < 0: - return (-1, int(errno)) - bs = <char*>malloc(len(buf) * sizeof(char)) - if bs is NULL: - return (-1, int(errno)) - for i in range(len(buf)): - bs[i] = <char><unsigned char>(buf[i]) - ret = int(libcoopgamma_async_context_unmarshal(this, bs, &_n)) - ret = (ret, int(<intptr_t><void*>this)) - success = True - return ret - finally: - if not success: - libcoopgamma_async_context_destroy(this) - free(this) - free(bs) - - -def libcoopgamma_native_connect(method : str, site : str, address : int): - ''' - Connect to a coopgamma server, and start it if necessary - - Use `libcoopgamma_context_destroy` to disconnect - - SIGCHLD must not be ignored or blocked - - @param method:str? The adjustment method, `NULL` for automatic - @param site:str? The site, `NULL` for automatic - @param address:int The address of the state of the library, must be initialised - @return :(:bool, :int) If [0] = `True`: [1] is the socket's file descriptor. - If [0] = `False`: [1] is 0 if the server on could not be - initialised, or the value `errno` on other errors - ''' - cdef char* cmethod = NULL - cdef char* csite = NULL - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - try: - if method is not None: - buf = method.encode('utf-8') + bytes([0]) - cmethod = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - cmethod[i] = <char>(buf[i]) - if site is not None: - buf = site.encode('utf-8') + bytes([0]) - csite = <char*>malloc(len(buf) * sizeof(char)) - for i in range(len(buf)): - csite[i] = <char>(buf[i]) - if libcoopgamma_connect(cmethod, csite, ctx) < 0: - return (False, int(errno)) - return (True, int(ctx.fd)) - finally: - free(cmethod) - free(csite) - - -def libcoopgamma_native_set_nonblocking(address : int, nonblocking : bool): - ''' - By default communication is blocking, this function - can be used to switch between blocking and nonblocking - - After setting the communication to nonblocking, - `libcoopgamma_flush`, `libcoopgamma_synchronise` and - and request-sending functions can fail with EAGAIN and - EWOULDBLOCK. It is safe to continue with `libcoopgamma_flush` - (for `libcoopgamma_flush` it selfand equest-sending functions) - or `libcoopgamma_synchronise` just like EINTR failure. - - @param address:int The address of the state of the library, must be connected - @param nonblocking:bool Nonblocking mode? - @return :int Zero on success, the value of `errno` on error - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - if libcoopgamma_set_nonblocking(ctx, <int>(1 if nonblocking else 0)) < 0: - return int(errno) - return 0 - - -def libcoopgamma_native_flush(address : int): - ''' - Send all pending outbound data - - If this function or another function that sends a request - to the server fails with EINTR, call this function to - complete the transfer. The `async_ctx` parameter will always - be in a properly configured state if a function fails - with EINTR. - - @param address:int The address of the state of the library, must be connected - @return :int Zero on success, the value of `errno` on error - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - if libcoopgamma_flush(ctx) < 0: - return int(errno) - return 0 - - -def libcoopgamma_native_synchronise(address : int, pending : list): - ''' - Wait for the next message to be received - - @param address:int The address of the state of the library, must be connected - @param pending:list<int> Addresses of the information for each pending request - @return :(:bool, :int) If [0] = 0: [1] is the value of `errno` - [0] = 1: [1] is the selected request - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* pends - cdef libcoopgamma_async_context_t* pend - cdef size_t selected = 0 - pends = <libcoopgamma_async_context_t*>malloc(len(pending) * sizeof(libcoopgamma_async_context_t)) - try: - if pends is NULL: - return (False, int(errno)) - for i in range(len(pending)): - pend = <libcoopgamma_async_context_t*><void*><intptr_t>(pending[i]) - pends[i] = pend[0] - if libcoopgamma_synchronise(ctx, pends, <size_t>len(pending), &selected) < 0: - return (False, int(errno)) - finally: - free(pends) - return (True, <int>selected) - - -def libcoopgamma_native_skip_message(address : int): - ''' - Tell the library that you will not be parsing a receive message - - @param address:int The address of the state of the library, must be connected - ''' - libcoopgamma_skip_message(<libcoopgamma_context_t*><void*><intptr_t>address) - - -def libcoopgamma_native_get_crtcs_send(address : int, async_ctx : int): - ''' - List all available CRTC:s, send request part - - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the `AsyncContext` for the request - @return :int Zero on success, the value of `errno` on failure - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - if libcoopgamma_get_crtcs_send(ctx, actx) < 0: - return int(errno) - return 0 - - -def libcoopgamma_native_get_crtcs_recv(address : int, async_ctx : int): - ''' - List all available CRTC:s, receive response part - - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the `AsyncContext` for the request - @return :int|list<str> The value of `errno` (on failure), or (on success) - a list of the names of the available CRTC:s - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef char** crtcs = libcoopgamma_get_crtcs_recv(ctx, actx) - cdef bytes bs - if crtcs is NULL: - return int(errno) - try: - ret, i = [], 0 - while crtcs[i] is not NULL: - bs = crtcs[i] - ret.append(bs.decode('utf-8', 'strict')) - i += 1 - finally: - free(crtcs) - return ret - - -def libcoopgamma_native_get_crtcs_sync(address : int): - ''' - List all available CRTC:s, synchronous version - - This is a synchronous request function, as such, - you have to ensure that communication is blocking - (default), and that there are not asynchronous - requests waiting, it also means that EINTR:s are - silently ignored and there no wait to cancel the - operation without disconnection from the server - - @param address:int The address of the state of the library, must be connected - @return :int|list<str> The value of `errno` (on failure), or (on success) - a list of the names of the available CRTC:s - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef char** crtcs = libcoopgamma_get_crtcs_sync(ctx) - cdef bytes bs - try: - if crtcs is NULL: - return int(errno) - ret, i = [], 0 - while crtcs[i] is not NULL: - bs = crtcs[i] - ret.append(bs.decode('utf-8', 'strict')) - i += 1 - finally: - free(crtcs) - return ret - - -def libcoopgamma_native_get_gamma_info_send(crtc : str, address : int, async_ctx : int): - ''' - Retrieve information about a CRTC:s gamma ramps, send request part - - Cannot be used before connecting to the server - - @param crtc:crtc The name of the CRTC - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the information about the request, that is - needed to identify and parse the response, is stored here - @return :int Zero on success, the value of `errno` on error - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef char* ccrtc = NULL - try: - bs = crtc.encode('utf-8') + bytes([0]) - ccrtc = <char*>malloc(len(bs) * sizeof(char)) - if ccrtc is NULL: - return int(errno) - for i in range(len(bs)): - ccrtc[i] = <char>(bs[i]) - if libcoopgamma_get_gamma_info_send(ccrtc, ctx, actx) < 0: - return int(errno) - finally: - free(ccrtc) - return 0 - - -def libcoopgamma_native_get_gamma_info_recv(address : int, async_ctx : int): - ''' - Retrieve information about a CRTC:s gamma ramps, receive response part - - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the information about the request - @return :int|(:bool, :tuple) The value of `errno` (on failure) or: - Element 0: whether the call was successful - Element 1: tuple with the data for the structure response (possibly error) - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef libcoopgamma_crtc_info_t info - cdef bytes bs - try: - if libcoopgamma_crtc_info_initialise(&info) < 0: - return int(errno) - if libcoopgamma_get_gamma_info_recv(&info, ctx, actx) < 0: - desc = None - if ctx.error.description is not NULL: - bs = ctx.error.description - desc = bs.decode('utf-8', 'strict') - ret = (False, (int(ctx.error.number), ctx.error.custom != 0, ctx.error.server_side != 0, desc)) - else: - ret = (True, (info.cooperative != 0, int(info.depth), int(info.supported), int(info.red_size), - int(info.green_size), int(info.blue_size), int(info.colourspace), - None if info.have_gamut == 0 else ((info.red_x, info.red_y), - (info.green_x, info.green_y), - (info.blue_x, info.blue_y), - (info.white_x, info.white_y)))) - finally: - libcoopgamma_crtc_info_destroy(&info) - return ret - - -def libcoopgamma_native_get_gamma_info_sync(crtc : str, address : int): - ''' - Retrieve information about a CRTC:s gamma ramps, synchronous version - - This is a synchronous request function, as such, you have to ensure that - communication is blocking (default), and that there are not asynchronous - requests waiting, it also means that EINTR:s are silently ignored and - there no wait to cancel the operation without disconnection from the server - - @param crtc:str The name of the CRTC - @param address:int The address of the state of the library, must be connected - @return :int|(:bool, :tuple) The value of `errno` (on failure) or: - Element 0: whether the call was successful - Element 1: tuple with the data for the structure response (possibly error) - ''' - cdef char* ccrtc = NULL - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_crtc_info_t info - cdef bytes bs - try: - if libcoopgamma_crtc_info_initialise(&info) < 0: - return int(errno) - bscrtc = crtc.encode('utf-8') + bytes([0]) - ccrtc = <char*>malloc(len(bscrtc) * sizeof(bscrtc)) - for i in range(len(bscrtc)): - ccrtc[i] = <char>(bscrtc[i]) - if libcoopgamma_get_gamma_info_sync(ccrtc, &info, ctx) < 0: - desc = None - if ctx.error.description is not NULL: - bs = ctx.error.description - desc = bs.decode('utf-8', 'strict') - ret = (False, (int(ctx.error.number), ctx.error.custom != 0, ctx.error.server_side != 0, desc)) - else: - ret = (True, (info.cooperative != 0, int(info.depth), int(info.supported), int(info.red_size), - int(info.green_size), int(info.blue_size), int(info.colourspace), - None if info.have_gamut == 0 else ((info.red_x, info.red_y), - (info.green_x, info.green_y), - (info.blue_x, info.blue_y), - (info.white_x, info.white_y)))) - finally: - libcoopgamma_crtc_info_destroy(&info) - free(ccrtc) - return ret - - -def libcoopgamma_native_get_gamma_send(query, address : int, async_ctx : int): - - ''' - Retrieve the current gamma ramp adjustments, send request part - - Cannot be used before connecting to the server - - @param query:Query The query to send - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the information about the request, that is - needed to identify and parse the response, is stored here - @return Zero on success, the value of `errno` on failure - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef libcoopgamma_filter_query_t qry - crtc_bs = query.crtc.encode('utf-8') + bytes([0]) - qry.high_priority = <int64_t>(query.high_priority) - qry.low_priority = <int64_t>(query.low_priority) - qry.coalesce = <int>(query.coalesce) - qry.crtc = <char*>malloc(len(crtc_bs) * sizeof(char)) - try: - if qry.crtc is NULL: - return int(errno) - for i in range(len(crtc_bs)): - qry.crtc[i] = <char>(crtc_bs[i]) - if libcoopgamma_get_gamma_send(&qry, ctx, actx) < 0: - return int(errno) - finally: - free(qry.crtc) - return 0 - - -def libcoopgamma_native_get_gamma_recv(address : int, async_ctx : int): - ''' - Retrieve the current gamma ramp adjustments, receive response part - - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the information about the request - @return :int|(:bool, :tuple) The value of `errno` (on failure) or: - Element 0: whether the call was successful - Element 1: tuple with the data for the structure response (possibly error) - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef libcoopgamma_filter_table_t table - cdef bytes bs - cdef libcoopgamma_ramps_t* rampsp - cdef char* fclass - try: - if libcoopgamma_filter_table_initialise(&table) < 0: - return int(errno) - if libcoopgamma_get_gamma_recv(&table, ctx, actx) < 0: - desc = None - if ctx.error.description is not NULL: - bs = ctx.error.description - desc = bs.decode('utf-8', 'strict') - ret = (False, (int(ctx.error.number), ctx.error.custom != 0, ctx.error.server_side != 0, desc)) - else: - filters = [None] * int(table.filter_count) - for j in range(int(table.filter_count)): - rampsp = &(table.filters[j].ramps) - fclass = table.filters[j].fclass - red = [None] * rampsp.u_red_size - green = [None] * rampsp.u_green_size - blue = [None] * rampsp.u_blue_size - if table.depth == -2: - for i in range(rampsp.u_red_size): - red[i] = (<double*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<double*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<double*>(rampsp.u_blue))[i] - elif table.depth == -1: - for i in range(rampsp.u_red_size): - red[i] = (<float*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<float*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<float*>(rampsp.u_blue))[i] - elif table.depth == 8: - for i in range(rampsp.u_red_size): - red[i] = (<uint8_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint8_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint8_t*>(rampsp.u_blue))[i] - elif table.depth == 16: - for i in range(rampsp.u_red_size): - red[i] = (<uint16_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint16_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint16_t*>(rampsp.u_blue))[i] - elif table.depth == 32: - for i in range(rampsp.u_red_size): - red[i] = (<uint32_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint32_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint32_t*>(rampsp.u_blue))[i] - elif table.depth == 64: - for i in range(rampsp.u_red_size): - red[i] = (<uint64_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint64_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint64_t*>(rampsp.u_blue))[i] - ramps = (red, green, blue) - pclass = None - if fclass is not NULL: - bs = fclass - pclass = bs.decode('utf-8', 'strict') - filters[j] = (int(table.filters[j].priority), pclass, ramps) - ret = (True, (int(table.red_size), int(table.green_size), int(table.blue_size), - int(table.depth), filters)) - finally: - libcoopgamma_filter_table_destroy(&table) - return ret - - -def libcoopgamma_native_get_gamma_sync(query, address : int): - ''' - Retrieve the current gamma ramp adjustments, synchronous version - - This is a synchronous request function, as such, you have to ensure that - communication is blocking (default), and that there are not asynchronous - requests waiting, it also means that EINTR:s are silently ignored and - there no wait to cancel the operation without disconnection from the server - - @param query:Query The query to send - @param address:int The address of the state of the library, must be connected - @return :int|(:bool, :tuple) The value of `errno` (on failure) or: - Element 0: whether the call was successful - Element 1: tuple with the data for the structure response (possibly error) - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_filter_table_t table - cdef libcoopgamma_filter_query_t qry - cdef bytes bs - cdef libcoopgamma_ramps_t* rampsp - cdef char* fclass - crtc_bs = query.crtc.encode('utf-8') + bytes([0]) - qry.high_priority = <int64_t>(query.high_priority) - qry.low_priority = <int64_t>(query.low_priority) - qry.coalesce = <int>(query.coalesce) - qry.crtc = <char*>malloc(len(crtc_bs) * sizeof(char)) - try: - if qry.crtc is NULL: - return int(errno) - for i in range(len(crtc_bs)): - qry.crtc[i] = <char>(crtc_bs[i]) - if libcoopgamma_filter_table_initialise(&table) < 0: - saved_errno = int(errno) - libcoopgamma_filter_table_destroy(&table) - return saved_errno - try: - if libcoopgamma_get_gamma_sync(&qry, &table, ctx) < 0: - desc = None - if ctx.error.description is not NULL: - bs = ctx.error.description - desc = bs.decode('utf-8', 'strict') - ret = (False, (int(ctx.error.number), ctx.error.custom != 0, ctx.error.server_side != 0, desc)) - else: - filters = [None] * int(table.filter_count) - for j in range(int(table.filter_count)): - rampsp = &(table.filters[j].ramps) - fclass = table.filters[j].fclass - red = [None] * rampsp.u_red_size - green = [None] * rampsp.u_green_size - blue = [None] * rampsp.u_blue_size - if table.depth == -2: - for i in range(rampsp.u_red_size): - red[i] = (<double*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<double*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<double*>(rampsp.u_blue))[i] - elif table.depth == -1: - for i in range(rampsp.u_red_size): - red[i] = (<float*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<float*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<float*>(rampsp.u_blue))[i] - elif table.depth == 8: - for i in range(rampsp.u_red_size): - red[i] = (<uint8_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint8_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint8_t*>(rampsp.u_blue))[i] - elif table.depth == 16: - for i in range(rampsp.u_red_size): - red[i] = (<uint16_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint16_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint16_t*>(rampsp.u_blue))[i] - elif table.depth == 32: - for i in range(rampsp.u_red_size): - red[i] = (<uint32_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint32_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint32_t*>(rampsp.u_blue))[i] - elif table.depth == 64: - for i in range(rampsp.u_red_size): - red[i] = (<uint64_t*>(rampsp.u_red))[i] - for i in range(rampsp.u_green_size): - green[i] = (<uint64_t*>(rampsp.u_green))[i] - for i in range(rampsp.u_blue_size): - blue[i] = (<uint64_t*>(rampsp.u_blue))[i] - ramps = (red, green, blue) - pclass = None - if fclass is not NULL: - bs = fclass - pclass = bs.decode('utf-8', 'strict') - filters[j] = (int(table.filters[j].priority), pclass, ramps) - ret = (True, (int(table.red_size), int(table.green_size), int(table.blue_size), - int(table.depth), filters)) - finally: - libcoopgamma_filter_table_destroy(&table) - finally: - free(qry.crtc) - return ret - - -def libcoopgamma_native_copy_ramps(intptr_t dest_address, src, libcoopgamma_depth_t depth): - ''' - Copy a Python ramp-trio into C ramp-trio - - @param dest_address:intptr_t The address of the C ramp-trio - @param src:Ramps The Python ramp-trio - @param depth:libcoopgamma_depth_t The data type of the ramp stops - ''' - cdef libcoopgamma_ramps_t* dest = <libcoopgamma_ramps_t*><void*><intptr_t>dest_address - cdef uint8_t* r8 - cdef uint8_t* g8 - cdef uint8_t* b8 - cdef uint16_t* r16 - cdef uint16_t* g16 - cdef uint16_t* b16 - cdef uint32_t* r32 - cdef uint32_t* g32 - cdef uint32_t* b32 - cdef uint64_t* r64 - cdef uint64_t* g64 - cdef uint64_t* b64 - cdef float* rf - cdef float* gf - cdef float* bf - cdef double* rd - cdef double* gd - cdef double* bd - cdef size_t rn = <size_t>len(src.red) - cdef size_t gn = <size_t>len(src.green) - cdef size_t bn = <size_t>len(src.blue) - if depth == 8: - r8 = <uint8_t*>malloc((rn + gn + bn) * sizeof(uint8_t)) - g8 = r8 + rn - b8 = g8 + gn - for i in range(int(rn)): - r8[i] = <uint8_t>(src.red[i]) - for i in range(int(gn)): - g8[i] = <uint8_t>(src.green[i]) - for i in range(int(bn)): - b8[i] = <uint8_t>(src.blue[i]) - dest.u_red = <void*>r8 - dest.u_green = <void*>g8 - dest.u_blue = <void*>b8 - elif depth == 16: - r16 = <uint16_t*>malloc((rn + gn + bn) * sizeof(uint16_t)) - g16 = r16 + rn - b16 = g16 + gn - for i in range(int(rn)): - r16[i] = <uint16_t>(src.red[i]) - for i in range(int(gn)): - g16[i] = <uint16_t>(src.green[i]) - for i in range(int(bn)): - b16[i] = <uint16_t>(src.blue[i]) - dest.u_red = <void*>r16 - dest.u_green = <void*>g16 - dest.u_blue = <void*>b16 - elif depth == 32: - r32 = <uint32_t*>malloc((rn + gn + bn) * sizeof(uint32_t)) - g32 = r32 + rn - b32 = g32 + gn - for i in range(int(rn)): - r32[i] = <uint32_t>(src.red[i]) - for i in range(int(gn)): - g32[i] = <uint32_t>(src.green[i]) - for i in range(int(bn)): - b32[i] = <uint32_t>(src.blue[i]) - dest.u_red = <void*>r32 - dest.u_green = <void*>g32 - dest.u_blue = <void*>b32 - elif depth == 64: - r64 = <uint64_t*>malloc((rn + gn + bn) * sizeof(uint64_t)) - g64 = r64 + rn - b64 = g64 + gn - for i in range(int(rn)): - r64[i] = <uint64_t>(src.red[i]) - for i in range(int(gn)): - g64[i] = <uint64_t>(src.green[i]) - for i in range(int(bn)): - b64[i] = <uint64_t>(src.blue[i]) - dest.u_red = <void*>r64 - dest.u_green = <void*>g64 - dest.u_blue = <void*>b64 - elif depth == -1: - rf = <float*>malloc((rn + gn + bn) * sizeof(float)) - gf = rf + rn - bf = gf + gn - for i in range(int(rn)): - rf[i] = <float>(src.red[i]) - for i in range(int(gn)): - gf[i] = <float>(src.green[i]) - for i in range(int(bn)): - bf[i] = <float>(src.blue[i]) - dest.u_red = <void*>rf - dest.u_green = <void*>gf - dest.u_blue = <void*>bf - else: - rd = <double*>malloc((rn + gn + bn) * sizeof(double)) - gd = rd + rn - bd = gd + gn - for i in range(int(rn)): - rd[i] = <double>(src.red[i]) - for i in range(int(gn)): - gd[i] = <double>(src.green[i]) - for i in range(int(bn)): - bd[i] = <double>(src.blue[i]) - dest.u_red = <void*>rd - dest.u_green = <void*>gd - dest.u_blue = <void*>bd - - -def libcoopgamma_native_set_gamma_send(filtr, address : int, async_ctx : int): - ''' - Apply, update, or remove a gamma ramp adjustment, send request part - - Cannot be used before connecting to the server - - @param filtr:Filter The filter to apply, update, or remove, gamma ramp - meta-data must match the CRTC's - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the information about the request, that is needed to - identify and parse the response, is stored here - @return :int Zero on success, the value of `errno` on failure - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef libcoopgamma_filter_t flr - crtc_bs = filtr.crtc.encode('utf-8') + bytes([0]) - clss_bs = filtr.fclass.encode('utf-8') + bytes([0]) - flr.priority = <int64_t>(0 if filtr.priority is None else filtr.priority) - flr.lifespan = <libcoopgamma_lifespan_t>(filtr.lifespan) - flr.depth = <libcoopgamma_depth_t>(0 if filtr.depth is None else filtr.depth) - flr.fclass = NULL - flr.crtc = NULL - flr.ramps.u_red_size = len(filtr.ramps.red) if filtr.ramps is not None else 0 - flr.ramps.u_green_size = len(filtr.ramps.green) if filtr.ramps is not None else 0 - flr.ramps.u_blue_size = len(filtr.ramps.blue) if filtr.ramps is not None else 0 - flr.ramps.u_red = NULL - flr.ramps.u_green = NULL - flr.ramps.u_blue = NULL - try: - if filtr.ramps is not None: - libcoopgamma_native_copy_ramps(<intptr_t><void*>&(flr.ramps), filtr.ramps, flr.depth) - flr.crtc = <char*>malloc(len(crtc_bs) * sizeof(char)) - if flr.crtc is NULL: - return int(errno) - flr.fclass = <char*>malloc(len(clss_bs) * sizeof(char)) - if flr.fclass is NULL: - return int(errno) - for i in range(len(crtc_bs)): - flr.crtc[i] = <char>(crtc_bs[i]) - for i in range(len(clss_bs)): - flr.fclass[i] = <char>(clss_bs[i]) - if libcoopgamma_set_gamma_send(&flr, ctx, actx) < 0: - return int(errno) - finally: - free(flr.crtc) - free(flr.fclass) - free(flr.ramps.u_red) - return 0 - - -def libcoopgamma_native_set_gamma_recv(address : int, async_ctx : int): - ''' - Apply, update, or remove a gamma ramp adjustment, receive response part - - @param address:int The address of the state of the library, must be connected - @param async_ctx:int The address of the information about the request - @return :tuple? The value of `errno` (on failure) or: - Element 0: whether the call was successful - Element 1: tuple with the data for the structure response (possibly error) - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_async_context_t* actx = <libcoopgamma_async_context_t*><void*><intptr_t>async_ctx - cdef bytes bs - if libcoopgamma_set_gamma_recv(ctx, actx) < 0: - desc = None - if ctx.error.description is not NULL: - bs = ctx.error.description - desc = bs.decode('utf-8', 'strict') - return (int(ctx.error.number), ctx.error.custom != 0, ctx.error.server_side != 0, desc) - return None - - -def libcoopgamma_native_set_gamma_sync(filtr, address : int): - ''' - Apply, update, or remove a gamma ramp adjustment, synchronous version - - This is a synchronous request function, as such, you have to ensure that - communication is blocking (default), and that there are not asynchronous - requests waiting, it also means that EINTR:s are silently ignored and - there no wait to cancel the operation without disconnection from the server - - @param filtr:Filter The filter to apply, update, or remove, gamma ramp - meta-data must match the CRTC's - @param address:int The address of the state of the library, must be connected - @return :tuple? The value of `errno` (on failure) or: - Element 0: whether the call was successful - Element 1: tuple with the data for the structure response (possibly error) - ''' - cdef libcoopgamma_context_t* ctx = <libcoopgamma_context_t*><void*><intptr_t>address - cdef libcoopgamma_filter_t flr - cdef bytes bs - crtc_bs = filtr.crtc.encode('utf-8') + bytes([0]) - clss_bs = filtr.fclass.encode('utf-8') + bytes([0]) - flr.priority = <int64_t>(0 if filtr.priority is None else filtr.priority) - flr.lifespan = <libcoopgamma_lifespan_t>(filtr.lifespan) - flr.depth = <libcoopgamma_depth_t>(0 if filtr.depth is None else filtr.depth) - flr.fclass = NULL - flr.crtc = NULL - flr.ramps.u_red_size = len(filtr.ramps.red) if filtr.ramps is not None else 0 - flr.ramps.u_green_size = len(filtr.ramps.green) if filtr.ramps is not None else 0 - flr.ramps.u_blue_size = len(filtr.ramps.blue) if filtr.ramps is not None else 0 - flr.ramps.u_red = NULL - flr.ramps.u_green = NULL - flr.ramps.u_blue = NULL - try: - if filtr.ramps is not None: - libcoopgamma_native_copy_ramps(<intptr_t><void*>&(flr.ramps), filtr.ramps, flr.depth) - flr.crtc = <char*>malloc(len(crtc_bs) * sizeof(char)) - if flr.crtc is NULL: - return int(errno) - flr.fclass = <char*>malloc(len(clss_bs) * sizeof(char)) - if flr.fclass is NULL: - return int(errno) - for i in range(len(crtc_bs)): - flr.crtc[i] = <char>(crtc_bs[i]) - for i in range(len(clss_bs)): - flr.fclass[i] = <char>(clss_bs[i]) - if libcoopgamma_set_gamma_sync(&flr, ctx) < 0: - desc = None - if ctx.error.description is not NULL: - bs = ctx.error.description - desc = bs.decode('utf-8', 'strict') - return (int(ctx.error.number), ctx.error.custom != 0, ctx.error.server_side != 0, desc) - finally: - free(flr.crtc) - free(flr.fclass) - free(flr.ramps.u_red) - return None - |