Class LineHeightHelper

java.lang.Object
com.itextpdf.layout.renderer.LineHeightHelper

class LineHeightHelper extends Object
  • Field Details

  • Constructor Details

    • LineHeightHelper

      private LineHeightHelper()
  • Method Details

    • getActualAscenderDescender

      static float[] getActualAscenderDescender(AbstractRenderer renderer)
      Get actual ascender, descender.
      Parameters:
      renderer - the renderer to retrieve the ascender and descender from
      Returns:
      an array containing in this order actual ascender
    • getActualFontInfo

      static float[] getActualFontInfo(AbstractRenderer renderer)
      Get actual ascender, descender, xHeight and leading.
      Parameters:
      renderer - the renderer to retrieve the font info from
      Returns:
      an array containing in this order actual ascender, descender, xHeight and leading
    • getFontAscenderDescenderNormalized

      static float[] getFontAscenderDescenderNormalized(AbstractRenderer renderer)
    • calculateLineHeight

      static float calculateLineHeight(AbstractRenderer renderer)