public virtual Rectangle GetPageSize()
{
PdfArray box = GetPdfObject().GetAsArray(PdfName.MediaBox);
if (box == null || box.Size() != 4)
{
throw new ArgumentException("MediaBox");
}
PdfNumber llx = box.GetAsNumber(0);
PdfNumber lly = box.GetAsNumber(1);
PdfNumber urx = box.GetAsNumber(2);
PdfNumber ury = box.GetAsNumber(3);
if (llx == null || lly == null || urx == null || ury == null)
{
throw new ArgumentException("MediaBox");
}
return(new Rectangle(Math.Min(llx.FloatValue(), urx.FloatValue()), Math.Min(lly.FloatValue(), ury.FloatValue
()), Math.Abs(urx.FloatValue() - llx.FloatValue()), Math.Abs(ury.FloatValue() - lly.FloatValue())));
}
private PdfNumber IterateItems(PdfDictionary dictionary, PdfNumber leftOver)
{
PdfArray nums = dictionary.GetAsArray(PdfName.Nums);
if (nums != null)
{
for (int k = 0; k < nums.Size(); k++)
{
PdfNumber number;
if (leftOver == null)
{
number = nums.GetAsNumber(k++);
}
else
{
number = leftOver;
leftOver = null;
}
if (k < nums.Size())
{
items.Put(number.IntValue(), nums.Get(k));
}
else
{
return(number);
}
}
}
else
{
if ((nums = dictionary.GetAsArray(PdfName.Kids)) != null)
{
for (int k = 0; k < nums.Size(); k++)
{
PdfDictionary kid = nums.GetAsDictionary(k);
leftOver = IterateItems(kid, leftOver);
}
}
}
return(null);
}
