internal void WriteTo(Stream ms, DocumentCatalog catalog, Compression compression)
{
Write(ms, "%PDF-1.3\n");
// if a pdf was loaded, all objects where loaded too
// now we will go to save a new pdf with new objects
// and objects will be created from catalog, the catalog
// will be saved and reference another objects that will
// trigger the object generation
CleanObjects();
// start creating all Documents, obtaining the indirect reference of the catalog
// will call for indirect references of pageTree, those to page's, and so on. In each
// step it will save the new Document in this
var catalogIndirectReference = catalog.IndirectReferenceObject(this);
// now we can save all generated objects
var childPos = new List <long>();
foreach (var child in objects)
{
childPos.Add(ms.Length);
ms.Write(child.Save(compression));
}
var xrefPos = ms.Length;
Write(ms, $"xref\n0 {objects.Count + 1}\n0000000000 65535 f\n"); // +1 for the free record
int i = 0;
foreach (var child in objects)
{
Write(ms, $"{childPos[i++].ToString("D10")} 00000 n\n");
}
Write(ms, $"trailer <</Root {catalogIndirectReference} /Size {objects.Count + 1}>>\nstartxref\n{xrefPos}\n%%EOF");
}
public SimplePdf(int width, int height)
{
Catalog = new DocumentCatalog();
mediaBox = new Rectangle(0, 0, width, height);
}
