la.changeColor(red, green, blue);
// check whether leader fits into LineArea at all, otherwise
// clip it (should honor the clip option of containing area)
if (leaderLengthMinimum <= la.getContentWidth()) {
la.addLeader(leaderPattern, leaderLengthMinimum,
leaderLengthOptimum, leaderLengthMaximum,
ruleStyle, ruleThickness, leaderPatternWidth,
leaderAlignment);
} else {
MessageHandler.errorln("Leader doesn't fit into line, it will be clipped to fit.");