/// <summary>Filter a TextRenderInfo object</summary>
/// <param name="text">the TextRenderInfo to be filtered</param>
public virtual PdfCleanUpFilter.FilterResult <PdfArray> FilterText(TextRenderInfo text)
{
PdfTextArray textArray = new PdfTextArray();
if (IsTextNotToBeCleaned(text))
{
return(new PdfCleanUpFilter.FilterResult <PdfArray>(false, new PdfArray(text.GetPdfString())));
}
foreach (TextRenderInfo ri in text.GetCharacterRenderInfos())
{
if (IsTextNotToBeCleaned(ri))
{
textArray.Add(ri.GetPdfString());
}
else
{
textArray.Add(new PdfNumber(-ri.GetUnscaledWidth() * 1000f / (text.GetFontSize() * text.GetHorizontalScaling
() / 100)));
}
}
return(new PdfCleanUpFilter.FilterResult <PdfArray>(true, textArray));
}