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/* See LICENSE file for copyright and license details. */
#ifndef LIBGAMMA_FACADE_HH
#define LIBGAMMA_FACADE_HH
#include <string>
#include <vector>
#include "libgamma-native.hh"
#include "libgamma-method.hh"
#if defined(__GNUC__)
# define LIBGAMMAMM_CONST__ __attribute__((__const__))
#else
# define LIBGAMMAMM_CONST__
#endif
namespace libgamma
{
/**
* List available adjustment methods by their order of preference based on the environment
*
* @param operation Allowed values:
* 0: Methods that the environment suggests will work, excluding fake
* 1: Methods that the environment suggests will work, including fake
* 2: All real non-fake methods
* 3: All real methods
* 4: All methods
* Other values invoke undefined behaviour
* @return Array of methods
*/
std::vector<int> list_methods(int operation);
/**
* Check whether an adjustment method is available, non-existing (invalid) methods will be
* identified as not available under the rationale that the library may be out of date
*
* @param method The adjustment method
* @return Whether the adjustment method is available
*/
LIBGAMMAMM_CONST__ int is_method_available(int method);
/**
* Return the capabilities of an adjustment method
*
* @param output The data structure to fill with the method's capabilities
* @param method The adjustment method (display server and protocol)
*/
void method_capabilities(MethodCapabilities *output, int method);
/**
* Return the default site for an adjustment method
*
* @param method The adjustment method (display server and protocol)
* @return The default site, `nullptr` if it cannot be determined or if
* multiple sites are not supported by the adjustment method
*/
std::string *method_default_site(int method);
/**
* Return the default variable that determines
* the default site for an adjustment method
*
* @param method The adjustment method (display server and protocol)
* @return The environ variables that is used to determine the
* default site. `nullptr` if there is none, that is, if
* the method does not support multiple sites
*/
std::string *method_default_site_variable(int method);
/**
* Convert a raw representation of an EDID to a lowercase hexadecimal representation
*
* @param edid The EDID in raw representation
* @param length The length of `edid`
* @return The EDID in lowercase hexadecimal representation
*/
std::string behex_edid(const unsigned char *edid, size_t length);
/**
* Convert a raw representation of an EDID to a lowercase hexadecimal representation
*
* @param edid The EDID in raw representation
* @param length The length of `edid`
* @return The EDID in lowercase hexadecimal representation
*/
std::string behex_edid_lowercase(const unsigned char *edid, size_t length);
/**
* Convert a raw representation of an EDID to an uppercase hexadecimal representation
*
* @param edid The EDID in raw representation
* @param length The length of `edid`
* @return The EDID in uppercase hexadecimal representation
*/
std::string behex_edid_uppercase(const unsigned char *edid, size_t length);
/**
* Convert an hexadecimal representation of an EDID to a raw representation
*
* @param edid The EDID in hexadecimal representation
* @return The EDID in raw representation, it will be half the length
* of `edid` (the input value)
*/
unsigned char *unhex_edid(const std::string edid);
/**
* Initialise a gamma ramp in the proper way that allows all adjustment
* methods to read from and write to it without causing segmentation violation
*
* @param ramps The gamma ramp to initialise
* @param red The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
*/
void gamma_ramps8_initialise(GammaRamps<uint8_t> *ramps, size_t red, size_t blue, size_t green);
/**
* Initialise a gamma ramp in the proper way that allows all adjustment
* methods to read from and write to it without causing segmentation violation
*
* @param ramps The gamma ramp to initialise
* @param red The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
*/
void gamma_ramps16_initialise(GammaRamps<uint16_t> *ramps, size_t red, size_t blue, size_t green);
/**
* Initialise a gamma ramp in the proper way that allows all adjustment
* methods to read from and write to it without causing segmentation violation
*
* @param ramps The gamma ramp to initialise
* @param red The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
*/
void gamma_ramps32_initialise(GammaRamps<uint32_t> *ramps, size_t red, size_t blue, size_t green);
/**
* Initialise a gamma ramp in the proper way that allows all adjustment
* methods to read from and write to it without causing segmentation violation
*
* @param ramps The gamma ramp to initialise
* @param red The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
*/
void gamma_ramps64_initialise(GammaRamps<uint64_t> *ramps, size_t red, size_t blue, size_t green);
/**
* Initialise a gamma ramp in the proper way that allows all adjustment
* methods to read from and write to it without causing segmentation violation
*
* @param ramps The gamma ramp to initialise
* @param red The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
*/
void gamma_rampsf_initialise(GammaRamps<float> *ramps, size_t red, size_t blue, size_t green);
/**
* Initialise a gamma ramp in the proper way that allows all adjustment
* methods to read from and write to it without causing segmentation violation
*
* @param ramps The gamma ramp to initialise
* @param red The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
*/
void gamma_rampsd_initialise(GammaRamps<double> *ramps, size_t red, size_t blue, size_t green);
/**
* 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 The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
* @return The gamma ramp
*/
GammaRamps<uint8_t> *gamma_ramps8_create(size_t red, size_t blue, size_t green);
/**
* 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 The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
* @return The gamma ramp
*/
GammaRamps<uint16_t> *gamma_ramps16_create(size_t red, size_t blue, size_t green);
/**
* 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 The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
* @return The gamma ramp
*/
GammaRamps<uint32_t> *gamma_ramps32_create(size_t red, size_t blue, size_t green);
/**
* 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 The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
* @return The gamma ramp
*/
GammaRamps<uint64_t> *gamma_ramps64_create(size_t red, size_t blue, size_t green);
/**
* 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 The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
* @return The gamma ramp
*/
GammaRamps<float> *gamma_rampsf_create(size_t red, size_t blue, size_t green);
/**
* 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 The size of the gamma ramp for the red channel
* @param green The size of the gamma ramp for the green channel
* @param blue The size of the gamma ramp for the blue channel
* @return The gamma ramp
*/
GammaRamps<double> *gamma_rampsd_create(size_t red, size_t blue, size_t green);
}
#endif
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