public void Process(Stream outputStream, Stream[] inputStreams, PageLayout pageLayout)
{
using (var buffer1 = new MemoryStream())
{
using (var doc = new Document(pageLayout.PageSize))
using (var writer = PdfWriter.GetInstance(doc, buffer1))
{
writer.CloseStream = false;
doc.Open();
var cb = writer.DirectContent;
for (var i = 0; i < inputStreams.Length; ++i)
{
using (var buffer2 = new MemoryStream())
{
TrimPDFFile(buffer2, inputStreams[i], pageLayout);
var reader = new PdfReader(buffer2.ToArray());
var page = writer.GetImportedPage(reader, 1);
var offset = pageLayout.GetLabelRect(i);
cb.AddTemplate(page, 1.0f, 0, 0, 1.0f, offset.Left, offset.Bottom);
}
}
}
buffer1.Position = 0;
OptimizePDFFile(outputStream, buffer1);
}
}