public static ColorScale createCyclicScale(int count) {
ColorScale sc = new ColorScale();
// red yellow green blue red
int[] h = new int[] {0, 59, 127, 244, 360};
int[] s = new int[] {100, 84, 99, 100};
int[] b = new int[] {90, 93, 74, 83};
sc.colors = new Color[count];
for (int i = 0; i < sc.colors.length; i++) {
float angle = 4 - i / 256f * 4;
int quadrant = (int) angle;
angle -= quadrant;
quadrant = Utils.mod(quadrant + 1, 4);
float vh = h[quadrant] * w(angle) + h[quadrant + 1] * (1 - w(angle));
float vs = s[quadrant] * w(angle) + s[Utils.mod(quadrant + 1, 4)] * (1 - w(angle));
float vb = b[quadrant] * w(angle) + b[Utils.mod(quadrant + 1, 4)] * (1 - w(angle));
sc.colors[i] = Color.getHSBColor(vh / 360f, vs / 100f, vb / 100f);
}
sc.setRange(0, 2 * Math.PI);
sc.addBounds();
return sc;
}
public static ColorScale createHSBScale(int count) {
ColorScale sc = new ColorScale();
sc.colors = new Color[count];
for (int i = 0; i < count; i++) {
sc.colors[i] = Color.getHSBColor(i / 300.0f, 1, 1);
}
sc.setRange(0, 255);
sc.addBounds();
return sc;
}