X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=quantum%2Fcolor.c;h=a309da379a41cbefbb1e077a71fa8b1347e69bbd;hb=6af77551c67c846b06c596cbd367d66c755f8051;hp=8ede053e71193f3d8744877f615828ddf031fcd3;hpb=14b7602a65dedaf51db1c9288144765d43a83a15;p=qmk_firmware.git

diff --git a/quantum/color.c b/quantum/color.c
index 8ede053e7..a309da379 100644
--- a/quantum/color.c
+++ b/quantum/color.c
@@ -22,14 +22,18 @@
 RGB hsv_to_rgb( HSV hsv )
 {
 	RGB rgb;
-	uint8_t region, p, q, t;
-	uint16_t h, s, v, remainder;
+	uint8_t region, remainder, p, q, t;
+	uint16_t h, s, v;
 
 	if ( hsv.s == 0 )
 	{
+#ifdef USE_CIE1931_CURVE
+		rgb.r = rgb.g = rgb.b = pgm_read_byte( &CIE1931_CURVE[hsv.v] );
+#else
 		rgb.r = hsv.v;
 		rgb.g = hsv.v;
 		rgb.b = hsv.v;
+#endif
 		return rgb;
 	}
 
@@ -37,8 +41,8 @@ RGB hsv_to_rgb( HSV hsv )
 	s = hsv.s;
 	v = hsv.v;
 
-	region = h / 43;
-	remainder = (h - (region * 43)) * 6;
+	region = h * 6 / 255;
+	remainder = (h * 2 - region * 85) * 3;
 
 	p = (v * (255 - s)) >> 8;
 	q = (v * (255 - ((s * remainder) >> 8))) >> 8;
@@ -46,6 +50,7 @@ RGB hsv_to_rgb( HSV hsv )
 
 	switch ( region )
 	{
+		case 6:
 		case 0:
 			rgb.r = v;
 			rgb.g = t;
@@ -78,9 +83,11 @@ RGB hsv_to_rgb( HSV hsv )
 			break;
 	}
 
+#ifdef USE_CIE1931_CURVE
 	rgb.r = pgm_read_byte( &CIE1931_CURVE[rgb.r] );
 	rgb.g = pgm_read_byte( &CIE1931_CURVE[rgb.g] );
 	rgb.b = pgm_read_byte( &CIE1931_CURVE[rgb.b] );
+#endif
 
 	return rgb;
 }