Color Gradients 2-2

clrGrad_2_2.pde

class Gradient {
  ArrayList<ColorStop> colors = new ArrayList<ColorStop>();

  Gradient() {
  }

  Gradient(ColorStop... cs) {
    for (int i = 0, sz = cs.length; i < sz; ++i) {
      colors.add(cs[i]);
    }
    java.util.Collections.sort(colors);
  }

  Gradient(color... cs) {
    int sz = cs.length;
    float fsz = sz <= 1 ? 1 : float(sz - 1);
    for (int i = 0; i < sz; ++i) {
      colors.add(new ColorStop(i / fsz, cs[i]));
    }
  }

  String toString() {
    StringBuilder sb = new StringBuilder();
    for (int i = 0, sz = colors.size(); i < sz; ++i) {
      sb.append(colors.get(i));
      if (i < sz - 1) {
        sb.append(",\n");
      }
    }
    return sb.toString();
  }

  void addColorStop(ColorStop cs) {
    colors.add(cs);
    java.util.Collections.sort(colors);
  }

  void addColorStop(float prc, int clr) {
    addColorStop(new ColorStop(prc, clr));
  }
}