Refactoring WS2812FX class.

- effect functions no longer part of class
- methods to access private members
- separate Segment, Segment_runtime, ColorTransition from WS2812FX

usermods/EleksTube_IPS/TFTs.h

@@ -355,7 +355,7 @@ public:
     // Color in grayscale bitmaps if Segment 1 exists
     // TODO If secondary and tertiary are black, color all in primary,
     // else color first three from Seg 1 color slots and last three from Seg 2 color slots
-    WS2812FX::Segment& seg1 = strip.getSegment(tubeSegment);
+    Segment& seg1 = strip.getSegment(tubeSegment);
     if (seg1.isActive()) {
       digitColor = strip.getPixelColor(seg1.start + digit);
       dimming = seg1.opacity;

usermods/EleksTube_IPS/usermod_elekstube_ips.h

@@ -63,7 +63,7 @@ class ElekstubeIPSUsermod : public Usermod {
       if (!toki.isTick()) return;
       updateLocalTime();
 
-      WS2812FX::Segment& seg1 = strip.getSegment(tfts.tubeSegment);
+      Segment& seg1 = strip.getSegment(tfts.tubeSegment);
       if (seg1.isActive()) {
         bool update = false;
         if (seg1.opacity != lastBri) update = true;