MEK: added rainbow2rgb( hsv, rgb) which gives a rainbow-like color spread vs hsv2rgb which gives a spectrum. Biggest differences are that rainbow2rgb takes hue from 0-255, and hsv2rgb takes hue just from 0-191. Also, rainbow2rgb has actual yellow in it.

1 files changed, 18 insertions, 2 deletions

diff --git a/hsv2rgb.h b/hsv2rgb.h
index aa3a41e8..c9754763 100644
--- a/hsv2rgb.h
+++ b/hsv2rgb.h
@@ -4,8 +4,11 @@
 #include "pixeltypes.h"
 
 
-void hsv2rgb_C (struct CHSV & hsv, struct CRGB & rgb);
-void hsv2rgb_avr(struct CHSV & hsv, struct CRGB & rgb);
+// hsv2rgb - convert hue, saturation, and value to RGB.
+//
+//           NOTE: Hue is 0-191 only!
+//                 Saturation & value are 0-255 each.
+//
 
 #if defined(__AVR__)
 #define hsv2rgb hsv2rgb_avr
@@ -13,5 +16,18 @@ void hsv2rgb_avr(struct CHSV & hsv, struct CRGB & rgb);
 #define hsvrgb  hsv2rgb_C
 #endif
 
+void hsv2rgb_C (struct CHSV & hsv, struct CRGB & rgb);
+void hsv2rgb_avr(struct CHSV & hsv, struct CRGB & rgb);
+
+
+// rainbow2rgb - convert a hue, saturation, and value to RGB
+//               but use a visually balanced rainbow instead of
+//               a mathematically balanced spectrum.
+//
+//               NOTE: here hue is 0-255, not just 0-191!
+//
+
+void rainbow2rgb( CHSV& hsv, CRGB& rgb);
+
 
 #endif