public Axis setMaxLabelChars(int maxLabelChars) {
        if (maxLabelChars < 0) {
            maxLabelChars = 0;
        } else if (maxLabelChars > 32) {
            maxLabelChars = 32;
        }
        this.maxLabelChars = maxLabelChars;
        return this;
    }
Set maximum number of characters for axis labels, min 0, max 32.
hellocharts-library/src/lecho/lib/hellocharts/model/Axis.java