C# pdf 缩放纸型-iTextSharp - read an existing pdf, resize it and then draw it on a new one

iTextSharp - read an existing pdf, resize it and then draw it on a new one

PdfReader reader = new PdfReader("In.PDF");

Document doc = new Document(PageSize.A4, 0, 0, 0, 0);

PdfWriter writer = PdfWriter.GetInstance(doc, 

new FileStream("Out.PDF",

FileMode.Create));

doc.Open();

PdfContentByte cb = writer.DirectContent;

PdfImportedPage page = writer.GetImportedPage(reader, 1); //page #1

float Scale = 0.67f;

cb.AddTemplate(page, Scale, 0, 0, Scale, 0, 0);

doc.Close();