/// <summary>
/// Creates new page and adds it to the page tree
/// </summary>
/// <returns></returns>
public PdfPage CreatePage(PdfSize size)
{
var page = new PdfPage(this, size);
m_Pages.Add(page);
return page;
}
/// <summary>
/// Writes PDF page into file stream
/// </summary>
/// <param name="page">PDF page</param>
internal void Write(PdfPage page)
{
var resourcesBuilder = new StringBuilder();
var elements = string.Join(Constants.SPACE.ToString(), page.Elements.Select(p => p.GetReference()));
var images = string.Join(Constants.SPACE.ToString(), page.Elements.OfType<ImageElement>().Select(p => p.GetCoupledReference()));
var fonts = string.Join(Constants.SPACE, page.Fonts.Select(p => FONTS_REFERENCE_FORMAT.Args(p.GetResourceReference(), p.GetReference())));
if (fonts.Length > 0)
resourcesBuilder.AppendFormat(" /Font <<{0}>> ", fonts);
if (images.Length > 0)
resourcesBuilder.AppendFormat(" /XObject <<{0}>> ", images);
var w = TextAdapter.FormatFloat(page.Width);
var h = TextAdapter.FormatFloat(page.Height);
writeBeginObject(page.ObjectId);
writeBeginDictionary();
writeDictionaryEntry("/Type", "/Page");
writeDictionaryEntry("/UserUnit", TextAdapter.FormatFloat(page.UserUnit));
writeDictionaryEntry("/Parent", page.Parent.GetReference());
writeDictionaryEntry("/Resources", DICTIONARY_PDF_FORMAT.Args(resourcesBuilder));
writeDictionaryEntry("/MediaBox", BOX_PDF_FORMAT.Args(w, h));
writeDictionaryEntry("/CropBox", BOX_PDF_FORMAT.Args(w, h));
writeDictionaryEntry("/Rotate", 0);
writeDictionaryEntry("/ProcSet", PROC_SET_STRING);
if (elements.Length > 0)
{
writeDictionaryEntry("/Contents", ARRAY_PDF_FORMAT.Args(elements));
}
writeEndDictionary();
writeEndObject();
}
