internal static float[] GetFontAscenderDescenderNormalized(AbstractRenderer renderer)
{
PdfFont font = renderer.ResolveFirstPdfFont();
float fontSize = renderer.GetPropertyAsUnitValue(Property.FONT_SIZE).GetValue();
float[] fontAscenderDescenderFromMetrics = TextRenderer.CalculateAscenderDescender(font, RenderingMode.HTML_MODE
);
float fontAscender = fontAscenderDescenderFromMetrics[0] / FontProgram.UNITS_NORMALIZATION * fontSize;
float fontDescender = fontAscenderDescenderFromMetrics[1] / FontProgram.UNITS_NORMALIZATION * fontSize;
return(new float[] { fontAscender, fontDescender });
}