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/* See LICENSE file for copyright and license details. */
#ifndef TYPES_RAMPS_H
#define TYPES_RAMPS_H
#include <libgamma.h>
#ifndef GCC_ONLY
# if defined(__GNUC__) && !defined(__clang__)
# define GCC_ONLY(...) __VA_ARGS__
# else
# define GCC_ONLY(...) /* nothing */
# endif
#endif
/**
* Gamma ramps union for all
* lbigamma gamma ramps types
*/
union gamma_ramps {
/**
* Ramps with 8-bit value
*/
struct libgamma_gamma_ramps8 u8;
/**
* Ramps with 16-bit value
*/
struct libgamma_gamma_ramps16 u16;
/**
* Ramps with 32-bit value
*/
struct libgamma_gamma_ramps32 u32;
/**
* Ramps with 64-bit value
*/
struct libgamma_gamma_ramps64 u64;
/**
* Ramps with `float` value
*/
struct libgamma_gamma_rampsf f;
/**
* Ramps with `double` value
*/
struct libgamma_gamma_rampsd d;
};
/**
* Marshal a ramp trio
*
* @param this The ramps
* @param buf Output buffer for the marshalled ramps,
* `NULL` just measure how large the buffers
* needs to be
* @param ramps_size The byte-size of ramps
* @return The number of marshalled byte
*/
GCC_ONLY(__attribute__((__nonnull__(1))))
size_t gamma_ramps_marshal(const union gamma_ramps *restrict this, void *restrict buf, size_t ramps_size);
/**
* Unmarshal a ramp trio
*
* @param this Output for the ramps
* @param buf Buffer with the marshalled ramps
* @param ramps_size The byte-size of ramps
* @return The number of unmarshalled bytes, 0 on error
*/
GCC_ONLY(__attribute__((__nonnull__)))
size_t gamma_ramps_unmarshal(union gamma_ramps *restrict this, const void *restrict buf, size_t ramps_size);
#endif
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