Package com.itextpdf.tool.xml.css.apply

Class MaxLeadingAndSize

  • public final class MaxLeadingAndSize
extends java.lang.Object
    Serves as a container class for the largest font size and/or largest leading found in a tag and all its siblings.

    • Field Detail

      • largestLeading

        private float largestLeading

      • largestFont

        private float largestFont

    • Constructor Detail

      • MaxLeadingAndSize

        public MaxLeadingAndSize()

    • Method Detail

      • getLargestLeading

        public float getLargestLeading()
        Returns:
        largest leading

      • getLargestFont

        public float getLargestFont()
        Returns:
        largest font size

      • setVariablesBasedOnChildren

        public void setVariablesBasedOnChildren​(Tag t)
        Sets largest font size and largest leading based on the css styles "font-size" and "line-height" of a given tag and its children.
        Parameters:
        t - tag of which the variables need to be set.

      • setLeading

        public void setLeading​(Tag tag)
        Set the largest leading based on calculateLeading only. (Children not taken into account)
        Parameters:
        tag - the tag

      • getLargestFontFromChildren

        public float getLargestFontFromChildren​(java.util.List<Tag> children)
        Iterates over all children in a List and returns the largest font size found.
        Parameters:
        children - List containing a list of children.
        Returns:
        float largest font size.

      • getLargestLeadingFromChildren

        private float getLargestLeadingFromChildren​(java.util.List<Tag> children)
        Iterates over all children in a List and returns the largest leading found.
        Parameters:
        children - List containing a list of children.
        Returns:
        float largest leading.

      • calculateLeading

        public java.lang.Float calculateLeading​(Tag t)
        Calculates the leading of the given tag.
        First checks which line-height string is present in the css of the tag, if any. Following strings are allowed;
        • a constant (containing px, in, cm, mm, pc, em, ex or pt),
        • percentage (containing %),
        • multiplier (only digits),
        Then this methods calculates the leading based on the font-size and the line-height.

        If no line-height was given or if the line-height:normal was given, leading = font-size * 1.5f.
        Parameters:
        t - tag of which the leading has to be calculated.
        Returns:
        float containing the leading of the tag.