# -*- python -*-
# See LICENSE file for copyright and license details.
cimport cython
from libc.stdint cimport *
from libc.stdlib cimport malloc
from libc.stddef cimport size_t
from libc.errno cimport errno
cdef extern from "include-libgamma.h":
ctypedef struct libgamma_gamma_ramps8 "struct libgamma_gamma_ramps8":
# Gamma ramp structure for 8-bit gamma ramps
size_t red_size # The size of `red`
size_t green_size # The size of `green`
size_t blue_size # The size of `blue`
uint8_t *red # The gamma ramp for the red channel
uint8_t *green # The gamma ramp for the green channel
uint8_t *blue # The gamma ramp for the blue channel
ctypedef struct libgamma_gamma_ramps16 "struct libgamma_gamma_ramps16":
# Gamma ramp structure for 16-bit gamma ramps
size_t red_size # The size of `red`
size_t green_size # The size of `green`
size_t blue_size # The size of `blue`
uint16_t *red # The gamma ramp for the red channel
uint16_t *green # The gamma ramp for the green channel
uint16_t *blue # The gamma ramp for the blue channel
ctypedef struct libgamma_gamma_ramps32 "struct libgamma_gamma_ramps32":
# Gamma ramp structure for 32-bit gamma ramps
size_t red_size # The size of `red`
size_t green_size # The size of `green`
size_t blue_size # The size of `blue`
uint32_t *red # The gamma ramp for the red channel
uint32_t *green # The gamma ramp for the green channel
uint32_t *blue # The gamma ramp for the blue channel
ctypedef struct libgamma_gamma_ramps64 "struct libgamma_gamma_ramps64":
# Gamma ramp structure for 64-bit gamma ramps
size_t red_size # The size of `red`
size_t green_size # The size of `green`
size_t blue_size # The size of `blue`
uint64_t *red # The gamma ramp for the red channel
uint64_t *green # The gamma ramp for the green channel
uint64_t *blue # The gamma ramp for the blue channel
ctypedef struct libgamma_gamma_rampsf "struct libgamma_gamma_rampsf":
# Gamma ramp structure for `float` gamma ramps
size_t red_size # The size of `red`
size_t green_size # The size of `green`
size_t blue_size # The size of `blue`
float *red # The gamma ramp for the red channel
float *green # The gamma ramp for the green channel
float *blue # The gamma ramp for the blue channel
ctypedef struct libgamma_gamma_rampsd "struct libgamma_gamma_rampsd":
# Gamma ramp structure for `double` gamma ramps
size_t red_size # The size of `red`
size_t green_size # The size of `green`
size_t blue_size # The size of `blue`
double *red # The gamma ramp for the red channel
double *green # The gamma ramp for the green channel
double *blue # The gamma ramp for the blue channel
cdef extern int libgamma_gamma_ramps8_initialise(libgamma_gamma_ramps8 *this) nogil
'''
Initialise a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
The input must have `red_size`, `green_size` and `blue_size`
set to the sizes of the gamma ramps that should be allocated
@param this The gamma ramps
@return Zero on success, -1 on allocation error, `errno` will be set accordingly
'''
cdef extern void libgamma_gamma_ramps8_free(libgamma_gamma_ramps8 *this) nogil
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_gamma_ramps8_initialise` or
otherwise initialises in the proper manner, as well as release
the pointer to the structure
@param this The gamma ramps
'''
cdef extern int libgamma_gamma_ramps16_initialise(libgamma_gamma_ramps16 *this) nogil
'''
Initialise a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
The input must have `red_size`, `green_size` and `blue_size`
set to the sizes of the gamma ramps that should be allocated
@param this The gamma ramps
@return Zero on success, -1 on allocation error, `errno` will be set accordingly
'''
cdef extern void libgamma_gamma_ramps16_free(libgamma_gamma_ramps16 *this) nogil
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_gamma_ramps16_initialise` or
otherwise initialises in the proper manner, as well as release
the pointer to the structure
@param this The gamma ramps
'''
cdef extern int libgamma_gamma_ramps32_initialise(libgamma_gamma_ramps32 *this) nogil
'''
Initialise a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
The input must have `red_size`, `green_size` and `blue_size`
set to the sizes of the gamma ramps that should be allocated
@param this The gamma ramps
@return Zero on success, -1 on allocation error, `errno` will be set accordingly
'''
cdef extern void libgamma_gamma_ramps32_free(libgamma_gamma_ramps32 *this) nogil
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_gamma_ramps32_initialise` or
otherwise initialises in the proper manner, as well as release
the pointer to the structure
@param this The gamma ramps
'''
cdef extern int libgamma_gamma_ramps64_initialise(libgamma_gamma_ramps64 *this) nogil
'''
Initialise a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
The input must have `red_size`, `green_size` and `blue_size`
set to the sizes of the gamma ramps that should be allocated
@param this The gamma ramps
@return Zero on success, -1 on allocation error, `errno` will be set accordingly
'''
cdef extern void libgamma_gamma_ramps64_free(libgamma_gamma_ramps64 *this) nogil
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_gamma_ramps64_initialise` or
otherwise initialises in the proper manner, as well as release
the pointer to the structure
@param this The gamma ramps
'''
cdef extern int libgamma_gamma_rampsf_initialise(libgamma_gamma_rampsf *this) nogil
'''
Initialise a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
The input must have `red_size`, `green_size` and `blue_size`
set to the sizes of the gamma ramps that should be allocated
@param this The gamma ramps
@return Zero on success, -1 on allocation error, `errno` will be set accordingly
'''
cdef extern void libgamma_gamma_rampsf_free(libgamma_gamma_rampsf *this) nogil
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_gamma_rampsf_initialise` or
otherwise initialises in the proper manner, as well as release
the pointer to the structure
@param this The gamma ramps
'''
cdef extern int libgamma_gamma_rampsd_initialise(libgamma_gamma_rampsd *this) nogil
'''
Initialise a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
The input must have `red_size`, `green_size` and `blue_size`
set to the sizes of the gamma ramps that should be allocated
@param this The gamma ramps
@return Zero on success, -1 on allocation error, `errno` will be set accordingly
'''
cdef extern void libgamma_gamma_rampsd_free(libgamma_gamma_rampsd *this) nogil
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_gamma_rampsd_initialise` or
otherwise initialises in the proper manner, as well as release
the pointer to the structure
@param this The gamma ramps
'''
def libgamma_native_gamma_ramps8_create(red_size : int, green_size : int, blue_size : int):
'''
Create a gamma ramp in the proper way that allows all adjustment methods
to read from and write to it without causing segmentation violation
@param red_size The size of the gamma ramp for the red channel
@param green_size The size of the gamma ramp for the green channel
@param blue_size The size of the gamma ramp for the blue channel
@return :(int){4}|int The tuple that describes the created data, `errno` on failure:
Element 1: The address of the gamma ramp structure
Element 2: The address of the gamma ramp for the red channel
Element 3: The address of the gamma ramp for the green channel
Element 4: The address of the gamma ramp for the blue channel
'''
cdef void *allocation = malloc(sizeof(libgamma_gamma_ramps8))
cdef libgamma_gamma_ramps8 *item = <libgamma_gamma_ramps8 *>allocation
cdef size_t red, green, blue
if item is NULL:
return int(errno)
item.red_size = red_size
item.green_size = green_size
item.blue_size = blue_size
if libgamma_gamma_ramps8_initialise(item) < 0:
return int(errno)
red = <size_t><void *>(item.red)
green = <size_t><void *>(item.green)
blue = <size_t><void *>(item.blue)
return (int(<size_t>allocation), int(red), int(green), int(blue))
def libgamma_native_gamma_ramps8_free(this : int):
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_native_gamma_ramps8_create` or
otherwise created in the proper manner, as well as release the
pointer to the structure
@param this The gamma ramps
'''
cdef void *address = <void *><size_t>this
cdef libgamma_gamma_ramps8 *item = <libgamma_gamma_ramps8 *>address
libgamma_gamma_ramps8_free(item)
def libgamma_native_gamma_ramps8_get(this : int, index : int) -> int:
'''
Read a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@return The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint8_t *ramp = <uint8_t *>address
return int(ramp[<size_t>index])
def libgamma_native_gamma_ramps8_set(this : int, index : int, value : int):
'''
Modify a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@param value The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint8_t *ramp = <uint8_t *>address
ramp[<size_t>index] = <uint8_t>value
def libgamma_native_gamma_ramps16_create(red_size : int, green_size : int, blue_size : int):
'''
Create a gamma ramp in the proper way that allows all adjustment methods
to read from and write to it without causing segmentation violation
@param red_size The size of the gamma ramp for the red channel
@param green_size The size of the gamma ramp for the green channel
@param blue_size The size of the gamma ramp for the blue channel
@return :(int){4}|int The tuple that describes the created data, `errno` on failure:
Element 1: The address of the gamma ramp structure
Element 2: The address of the gamma ramp for the red channel
Element 3: The address of the gamma ramp for the green channel
Element 4: The address of the gamma ramp for the blue channel
'''
cdef void *allocation = malloc(sizeof(libgamma_gamma_ramps16))
cdef libgamma_gamma_ramps16 *item = <libgamma_gamma_ramps16 *>allocation
cdef size_t red, green, blue
if item is NULL:
return int(errno)
item.red_size = red_size
item.green_size = green_size
item.blue_size = blue_size
if libgamma_gamma_ramps16_initialise(item) < 0:
return int(errno)
red = <size_t><void *>(item.red)
green = <size_t><void *>(item.green)
blue = <size_t><void *>(item.blue)
return (int(<size_t>allocation), int(red), int(green), int(blue))
def libgamma_native_gamma_ramps16_free(this : int):
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_native_gamma_ramps16_create` or
otherwise created in the proper manner, as well as release the
pointer to the structure
@param this The gamma ramps
'''
cdef void *address = <void*><size_t>this
cdef libgamma_gamma_ramps16 *item = <libgamma_gamma_ramps16 *>address
libgamma_gamma_ramps16_free(item)
def libgamma_native_gamma_ramps16_get(this : int, index : int) -> int:
'''
Read a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@return The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint16_t *ramp = <uint16_t *>address
return int(ramp[<size_t>index])
def libgamma_native_gamma_ramps16_set(this : int, index : int, value : int):
'''
Modify a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@param value The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint16_t *ramp = <uint16_t *>address
ramp[<size_t>index] = <uint16_t>value
def libgamma_native_gamma_ramps32_create(red_size : int, green_size : int, blue_size : int):
'''
Create a gamma ramp in the proper way that allows all adjustment methods
to read from and write to it without causing segmentation violation
@param red_size The size of the gamma ramp for the red channel
@param green_size The size of the gamma ramp for the green channel
@param blue_size The size of the gamma ramp for the blue channel
@return :(int){4}|int The tuple that describes the created data, `errno` on failure:
Element 1: The address of the gamma ramp structure
Element 2: The address of the gamma ramp for the red channel
Element 3: The address of the gamma ramp for the green channel
Element 4: The address of the gamma ramp for the blue channel
'''
cdef void *allocation = malloc(sizeof(libgamma_gamma_ramps32))
cdef libgamma_gamma_ramps32 *item = <libgamma_gamma_ramps32 *>allocation
cdef size_t red, green, blue
if item is NULL:
return int(errno)
item.red_size = red_size
item.green_size = green_size
item.blue_size = blue_size
if libgamma_gamma_ramps32_initialise(item) < 0:
return int(errno)
red = <size_t><void *>(item.red)
green = <size_t><void *>(item.green)
blue = <size_t><void *>(item.blue)
return (int(<size_t>allocation), int(red), int(green), int(blue))
def libgamma_native_gamma_ramps32_free(this : int):
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_native_gamma_ramps32_create` or
otherwise created in the proper manner, as well as release the
pointer to the structure
@param this The gamma ramps
'''
cdef void *address = <void *><size_t>this
cdef libgamma_gamma_ramps32 *item = <libgamma_gamma_ramps32 *>address
libgamma_gamma_ramps32_free(item)
def libgamma_native_gamma_ramps32_get(this : int, index : int) -> int:
'''
Read a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@return The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint32_t *ramp = <uint32_t *>address
return int(ramp[<size_t>index])
def libgamma_native_gamma_ramps32_set(this : int, index : int, value : int):
'''
Modify a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@param value The value of the gamma ramp stop
'''
cdef void *address = <void*><size_t>this
cdef uint32_t *ramp = <uint32_t *>address
ramp[<size_t>index] = <uint32_t>value
def libgamma_native_gamma_ramps64_create(red_size : int, green_size : int, blue_size : int):
'''
Create a gamma ramp in the proper way that allows all adjustment methods
to read from and write to it without causing segmentation violation
@param red_size The size of the gamma ramp for the red channel
@param green_size The size of the gamma ramp for the green channel
@param blue_size The size of the gamma ramp for the blue channel
@return :(int){4}|int The tuple that describes the created data, `errno` on failure:
Element 1: The address of the gamma ramp structure
Element 2: The address of the gamma ramp for the red channel
Element 3: The address of the gamma ramp for the green channel
Element 4: The address of the gamma ramp for the blue channel
'''
cdef void *allocation = malloc(sizeof(libgamma_gamma_ramps64))
cdef libgamma_gamma_ramps64 *item = <libgamma_gamma_ramps64 *>allocation
cdef size_t red, green, blue
if item is NULL:
return int(errno)
item.red_size = red_size
item.green_size = green_size
item.blue_size = blue_size
if libgamma_gamma_ramps64_initialise(item) < 0:
return int(errno)
red = <size_t><void *>(item.red)
green = <size_t><void *>(item.green)
blue = <size_t><void *>(item.blue)
return (int(<size_t>allocation), int(red), int(green), int(blue))
def libgamma_native_gamma_ramps64_free(this : int):
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_native_gamma_ramps64_create` or
otherwise created in the proper manner, as well as release the
pointer to the structure
@param this The gamma ramps
'''
cdef void *address = <void *><size_t>this
cdef libgamma_gamma_ramps64 *item = <libgamma_gamma_ramps64 *>address
libgamma_gamma_ramps64_free(item)
def libgamma_native_gamma_ramps64_get(this : int, index : int) -> int:
'''
Read a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@return The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint64_t *ramp = <uint64_t *>address
return int(ramp[<size_t>index])
def libgamma_native_gamma_ramps64_set(this : int, index : int, value : int):
'''
Modify a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@param value The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef uint64_t *ramp = <uint64_t *>address
ramp[<size_t>index] = <uint64_t>value
def libgamma_native_gamma_rampsf_create(red_size : int, green_size : int, blue_size : int):
'''
Create a gamma ramp in the proper way that allows all adjustment methods
to read from and write to it without causing segmentation violation
@param red_size The size of the gamma ramp for the red channel
@param green_size The size of the gamma ramp for the green channel
@param blue_size The size of the gamma ramp for the blue channel
@return :(int){4}|int The tuple that describes the created data, `errno` on failure:
Element 1: The address of the gamma ramp structure
Element 2: The address of the gamma ramp for the red channel
Element 3: The address of the gamma ramp for the green channel
Element 4: The address of the gamma ramp for the blue channel
'''
cdef void *allocation = malloc(sizeof(libgamma_gamma_rampsf))
cdef libgamma_gamma_rampsf *item = <libgamma_gamma_rampsf *>allocation
cdef size_t red, green, blue
if item is NULL:
return int(errno)
item.red_size = red_size
item.green_size = green_size
item.blue_size = blue_size
if libgamma_gamma_rampsf_initialise(item) < 0:
return int(errno)
red = <size_t><void *>(item.red)
green = <size_t><void *>(item.green)
blue = <size_t><void *>(item.blue)
return (int(<size_t>allocation), int(red), int(green), int(blue))
def libgamma_native_gamma_rampsf_free(this : int):
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_native_gamma_rampsf_create` or
otherwise created in the proper manner, as well as release the
pointer to the structure
@param this The gamma ramps
'''
cdef void *address = <void *><size_t>this
cdef libgamma_gamma_rampsf *item = <libgamma_gamma_rampsf *>address
libgamma_gamma_rampsf_free(item)
def libgamma_native_gamma_rampsf_get(this : int, index : int) -> float:
'''
Read a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@return The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef float *ramp = <float *>address
return float(ramp[<size_t>index])
def libgamma_native_gamma_rampsf_set(this : int, index : int, value : float):
'''
Modify a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@param value The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef float *ramp = <float *>address
ramp[<size_t>index] = <float>value
def libgamma_native_gamma_rampsd_create(red_size : int, green_size : int, blue_size : int):
'''
Create a gamma ramp in the proper way that allows all adjustment
methods to read from and write to it without causing segmentation violation
@param red_size The size of the gamma ramp for the red channel
@param green_size The size of the gamma ramp for the green channel
@param blue_size The size of the gamma ramp for the blue channel
@return :(int){4}|int The tuple that describes the created data, `errno` on failure:
Element 1: The address of the gamma ramp structure
Element 2: The address of the gamma ramp for the red channel
Element 3: The address of the gamma ramp for the green channel
Element 4: The address of the gamma ramp for the blue channel
'''
cdef void *allocation = malloc(sizeof(libgamma_gamma_rampsd))
cdef libgamma_gamma_rampsd *item = <libgamma_gamma_rampsd *>allocation
cdef size_t red, green, blue
if item is NULL:
return int(errno)
item.red_size = red_size
item.green_size = green_size
item.blue_size = blue_size
if libgamma_gamma_rampsd_initialise(item) < 0:
return int(errno)
red = <size_t><void *>(item.red)
green = <size_t><void *>(item.green)
blue = <size_t><void *>(item.blue)
return (int(<size_t>allocation), int(red), int(green), int(blue))
def libgamma_native_gamma_rampsd_free(this : int):
'''
Release resources that are held by a gamma ramp strcuture that
has been allocated by `libgamma_native_gamma_rampsd_create` or
otherwise created in the proper manner, as well as release the
pointer to the structure
@param this The gamma ramps
'''
cdef void *address = <void *><size_t>this
cdef libgamma_gamma_rampsd *item = <libgamma_gamma_rampsd *>address
libgamma_gamma_rampsd_free(item)
def libgamma_native_gamma_rampsd_get(this : int, index : int) -> float:
'''
Read a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@return The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef double *ramp = <double *>address
return float(ramp[<size_t>index])
def libgamma_native_gamma_rampsd_set(this : int, index : int, value : float):
'''
Modify a stop in a gamma ramp
@param this The gamma ramp
@param index The index of the gamma ramp stop
@param value The value of the gamma ramp stop
'''
cdef void *address = <void *><size_t>this
cdef double *ramp = <double *>address
ramp[<size_t>index] = <double>value
