From 4674ec0e4b833ab0d0365225ba99228df14abe87 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 13 Jan 2017 09:05:08 +0100 Subject: Rename to blind MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/blind-colour-srgb.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/blind-colour-srgb.c (limited to 'src/blind-colour-srgb.c') diff --git a/src/blind-colour-srgb.c b/src/blind-colour-srgb.c new file mode 100644 index 0000000..53fb784 --- /dev/null +++ b/src/blind-colour-srgb.c @@ -0,0 +1,43 @@ +/* See LICENSE file for copyright and license details. */ +#include "util.h" + +USAGE("[-d depth] [-l] red green blue") + +int +main(int argc, char *argv[]) +{ + unsigned long long int max; + double red, green, blue, X, Y, Z; + int depth = 8, linear = 0; + + ARGBEGIN { + case 'd': + depth = etoi_flag('d', EARG(), 1, 64); + break; + case 'l': + linear = 1; + break; + default: + usage(); + } ARGEND; + + if (argc != 3) + usage(); + + max = 1ULL << (depth - 1); + max |= max - 1; + red = etolf_arg("the red value", argv[0]) / max; + green = etolf_arg("the green value", argv[1]) / max; + blue = etolf_arg("the blue value", argv[2]) / max; + if (!linear) { + red = srgb_decode(red); + green = srgb_decode(green); + blue = srgb_decode(blue); + } + + srgb_to_ciexyz(red, green, blue, &X, &Y, &Z); + printf("%lf %lf %lf\n", X, Y, Z); + + efshut(stdout, ""); + return 0; +} -- cgit v1.2.3-70-g09d2