diff options
Diffstat (limited to 'src/util.h')
| -rw-r--r-- | src/util.h | 106 |
1 files changed, 12 insertions, 94 deletions
@@ -1,99 +1,17 @@ /* See LICENSE file for copyright and license details. */ -#include <errno.h> -#include <math.h> -#include <stdio.h> -#include <stdlib.h> - -#define D65_XYY_X 0.312726871026564878786047074755 -#define D65_XYY_Y 0.329023206641284038376227272238 +#include "arg.h" #define ELEMENTSOF(ARRAY) (sizeof(ARRAY) / sizeof(*(ARRAY))) -void eprintf(const char *fmt, ...); -void enprintf(int status, const char *fmt, ...); -void weprintf(const char *fmt, ...); - -int tollu(const char *s, unsigned long long int min, unsigned long long int max, unsigned long long int *out); -int tolli(const char *s, long long int min, long long int max, long long int *out); -#define DEF_STR_TO_INT(FNAME, INTTYPE, INTER_FNAME, INTER_INTTYPE)\ - static inline int\ - FNAME(const char *s, INTTYPE min, INTTYPE max, INTTYPE *out)\ - {\ - INTER_INTTYPE inter;\ - if (INTER_FNAME(s, (INTER_INTTYPE)min, (INTER_INTTYPE)max, &inter))\ - return -1;\ - *out = (INTTYPE)inter;\ - return 0;\ - } -DEF_STR_TO_INT(tolu, unsigned long int, tollu, unsigned long long int) -DEF_STR_TO_INT(tou, unsigned int, tollu, unsigned long long int) -DEF_STR_TO_INT(toli, long int, tolli, long long int) -DEF_STR_TO_INT(toi, int, tolli, long long int) -#undef DEF_STR_TO_INT -#define tozu tolu -#define tozi toli -#define toju tollu -#define toji tolli - -static inline int -tolf(const char *s, double *out) -{ - char *end; - errno = 0; - *out = strtod(s, &end); - if (errno) { - return -1; - } else if (*end) { - errno = EINVAL; - return -1; - } - return 0; -} - -int fshut(FILE *fp, const char *fname); -void enfshut(int status, FILE *fp, const char *fname); -void efshut(FILE *fp, const char *fname); - -static inline double -srgb_encode(double t) -{ - double sign = 1; - if (t < 0) { - t = -t; - sign = -1; - } - t = t <= 0.0031306684425217108 ? 12.92 * t : 1.055 * pow(t, 1 / 2.4) - 0.055; - return t * sign; -} - -static inline double -srgb_decode(double t) -{ - double sign = 1; - if (t < 0) { - t = -t; - sign = -1; - } - t = t <= 0.0031306684425217108 * 12.92 ? t / 12.92 : pow((t + 0.055) / 1.055, 2.4); - return t * sign; -} - -static inline void -ciexyz_to_srgb(double x, double y, double z, double *r, double *g, double *b) -{ -#define MULTIPLY(CX, CY, CZ) ((CX) * x + (CY) * y + (CZ) * z) - *r = MULTIPLY(3.240446254647737500675930277794, -1.537134761820080575134284117667, -0.498530193022728718155178739835); - *g = MULTIPLY(-0.969266606244679751469561779231, 1.876011959788370209167851498933, 0.041556042214430065351304932619); - *b = MULTIPLY(0.055643503564352832235773149705, -0.204026179735960239147729566866, 1.057226567722703292062647051353); -#undef MULTIPLY -} +#define USAGE(SYNOPSIS)\ + static void usage(void)\ + { eprintf("usage: %s%s%s\n", argv0, SYNOPSIS ? " " : "", SYNOPSIS); } -static inline void -srgb_to_ciexyz(double r, double g, double b, double *x, double *y, double *z) -{ -#define MULTIPLY(CR, CG, CB) ((CR) * r + (CG) * g + (CB) * b) - *x = MULTIPLY(0.412457445582367576708548995157, 0.357575865245515878143578447634, 0.180437247826399665973085006954); - *y = MULTIPLY(0.212673370378408277403536885686, 0.715151730491031756287156895269, 0.072174899130559869164791564344); - *z = MULTIPLY(0.019333942761673460208893260415, 0.119191955081838593666354597644, 0.950302838552371742508739771438); -#undef MULTIPLY -} +#include "util/eprintf.h" +#include "util/efflush.h" +#include "util/fshut.h" +#include "util/eopen.h" +#include "util/emalloc.h" +#include "util/to.h" +#include "util/colour.h" +#include "util/io.h" |