color.h

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#ifndef  __COLOR_H__
#define  __COLOR_H__
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
#include <inttypes.h>
 
/*
 * Data structure holding RGB value for a color, 16 bits per channel.
 */
typedef struct {
    uint16_t red;
    uint16_t green;
    uint16_t blue;
} color_t;
 
/*
 * Convert a color_t to a 24-bit RGB value, reducing each channel to
 * 8 bits and combining them.
 */
inline static unsigned int
color_t_to_rgb(const color_t *color) {
    return (((color->red >> 8) << 16)
          | ((color->green >> 8) << 8)
          | (color->blue >> 8));
}
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif
 
/*
 * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */