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| author | Mattias Andrée <maandree@member.fsf.org> | 2016-01-04 21:24:59 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@member.fsf.org> | 2016-01-04 21:24:59 +0100 |
| commit | 15e3ff763c33cb309dd07cfab98312de3375e630 (patch) | |
| tree | 5d9ec1be1218217c005640e7dc747d2924fbb0ba /src/parse_10deg.c | |
| parent | remove unused macros (diff) | |
| download | libred-15e3ff763c33cb309dd07cfab98312de3375e630.tar.gz libred-15e3ff763c33cb309dd07cfab98312de3375e630.tar.bz2 libred-15e3ff763c33cb309dd07cfab98312de3375e630.tar.xz | |
dedup ciexyy_to_srgb
Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
Diffstat (limited to '')
| -rw-r--r-- | src/parse_10deg.c | 33 |
1 files changed, 3 insertions, 30 deletions
diff --git a/src/parse_10deg.c b/src/parse_10deg.c index f1e2c81..c78851e 100644 --- a/src/parse_10deg.c +++ b/src/parse_10deg.c @@ -29,36 +29,9 @@ -/** - * Convert from CIE xyY to [0, 1] sRGB. - * - * This function is identical to that in 'blackbody.c'. - * - * @param x The 'x' component. - * @param y The 'y' component. - * @param Y The 'Y' component. - * @param r Output parameter for the “red” value. - * (Seriously, sRGB red is orange, just look at it fullscreen.) - * @param g Output parameter for the green value. - * @param b Output parameter for the blue value. - */ -static void ciexyy_to_srgb(double x, double y, double Y, double *r, double *g, double *b) -{ -#define SRGB(C) (((C) <= 0.0031308) ? (12.92 * (C)) : ((1.0 + 0.055) * pow((C), 1.0 / 2.4) - 0.055)) - double X, Z; - - /* Convert CIE xyY to CIE XYZ. */ - X = Y * (y == 0.0 ? 0.0 : (x / y)); - Z = Y * (y == 0.0 ? 0.0 : ((1.0 - x - y) / y)); - - /* Convert CIE XYZ to [0, 1] linear RGB. (ciexyz_to_linear) */ - *r = ( 3.240450 * X) + (-1.537140 * Y) + (-0.4985320 * Z); - *g = (-0.969266 * X) + ( 1.876010 * Y) + ( 0.0415561 * Z); - *b = (0.0556434 * X) + (-0.204026 * Y) + ( 1.0572300 * Z); - - /* Convert [0, 1] linear RGB to [0, 1] sRGB. */ - SRGB(*r), SRGB(*g), SRGB(*b); -} +#define LIBRED_COMPILING_PARSER +#include "blackbody.c" + /** |