1 files changed, 43 insertions, 0 deletions
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, "<stdout>");
+	return 0;
+}