public void drawInternal(UGraphic ug) {
if (color.size() > 1) {
drawRainbow(ug);
} else {
worm.drawInternalOneColor(
ug, color.getColors().get(0), 1.5, emphasizeDirection, endDecoration);
drawInternalLabel(ug);
}
}
private void drawRainbow(UGraphic ug) {
final List<HtmlColorAndStyle> colors = color.getColors();
final int colorArrowSeparationSpace = color.getColorArrowSeparationSpace();
final double move = 2 + colorArrowSeparationSpace;
final WormMutation mutation = WormMutation.create(worm, move);
final double globalMove = -1.0 * (colors.size() - 1) / 2.0;
Worm current = worm.moveFirstPoint(mutation.getFirst().multiplyBy(globalMove));
if (mutation.size() > 2) {
current = current.moveLastPoint(mutation.getLast().multiplyBy(globalMove));
}
for (int i = 0; i < colors.size(); i++) {
double stroke = 1.5;
if (colorArrowSeparationSpace == 0) {
stroke = i == colors.size() - 1 ? 2.0 : 3.0;
}
current.drawInternalOneColor(ug, colors.get(i), stroke, emphasizeDirection, endDecoration);
current = mutation.mute(current);
}
final UTranslate textTranslate = mutation.getTextTranslate(colors.size());
drawInternalLabel(ug.apply(textTranslate));
}