simplify Gradient<>

styles/gradient.h

@@ -9,55 +9,8 @@
 // Gradient, color A at base, B at tip.
 // Any number of colors can be put together into a gradient.
 
-class BlaseBase;
+#include "../functions/ramp.h"
 
-template<class... A>
-class GradientHelper {};
-
-template<class A>
-class GradientHelper<A> {
-public:
-  static const size_t size = 0;
-  void run(BladeBase* blade) { a_.run(blade); }
-  PONUA A a_;
-  auto get(int led, int partition) -> decltype(a_.getColor(led)) {
-    return a_.getColor(led);
-  }
-};
-
-template<class A, class B, class... C>
-class GradientHelper<A, B, C...> {
-public:
-  static const size_t size = GradientHelper<B, C...>::size + 1;
-  void run(BladeBase* blade) {
-    a_.run(blade);
-    b_.run(blade);
-  }
-  PONUA A a_;
-  PONUA GradientHelper<B, C...> b_;
-  auto get(int led, int partition) -> decltype(MixColors(a_.getColor(0), b_.get(0,0), 1, 1)) {
-    if (partition <= 16384) {
-      return MixColors(a_.getColor(led), b_.a_.getColor(led), partition, 14);
-    } else {
-      return b_.get(led, partition - 16384);
-    }
-  }
-};
-
-template<class... COLOR>
-class Gradient {
-public:
-  void run(BladeBase* blade) {
-    colors_.run(blade);
-    mul_ =  (GradientHelper<COLOR...>::size << 14) / (blade->num_leds() - 1);
-  }
-private:
-  PONUA GradientHelper<COLOR...> colors_;
-  int mul_;
-public:
-  auto getColor(int led) -> decltype(colors_.get(led, led * mul_)) {
-    return colors_.get(led, led * mul_);
-  }
-};
+template<class... COLORS> using Gradient = Mix<RampF, COLORS...>;
 
 #endif