/// <summary>
/// Creates a new XPS Diagram from scratch
/// </summary>
/// <param name="fileName">Name of the file. Important: If the file already exists, it will be deleted</param>
/// <param name="format">Format of the page</param>
public XpsDocumentHelper(string fileName, PageFormat format)
{
// Initialize teh Dictionaries for fonts and images
_embeddedFonts = new Dictionary<string, Uri>();
_embeddedImages = new Dictionary<string, ImageInfo>();
// The file is created from scratch so if it already exists it will be removed.
if (File.Exists(fileName))
File.Delete(fileName);
// Create the new package with all internal things that are required
_package = Package.Open(fileName);
_document = new XpsDocument(_package);
_xpsDocSeqWriter = _document.AddFixedDocumentSequence();
_xpsDocWriter = _xpsDocSeqWriter.AddFixedDocument();
_xpsPageWriter = _xpsDocWriter.AddFixedPage();
_xmlWriter = _xpsPageWriter.XmlWriter;
// Write the document header, I fixed everything to the the en-US culture here.
StartPage(format);
}
/// <summary>
/// Write the XML Element for a fixed Page
/// </summary>
/// <param name="format">Format of the next page.</param>
private void StartPage(PageFormat format)
{
_xmlWriter.WriteStartElement("FixedPage");
_xmlWriter.WriteAttributeString("Width", format.Width.ToString("0.00", CultureInfo.CreateSpecificCulture("en-US")));
_xmlWriter.WriteAttributeString("Height", format.Height.ToString("0.00", CultureInfo.CreateSpecificCulture("en-US")));
_xmlWriter.WriteAttributeString("xmlns", "http://schemas.microsoft.com/xps/2005/06");
_xmlWriter.WriteAttributeString("xml:lang", "en-US");
_pageStarted = true;
}
/// <summary>
/// End current page and start with next page.
/// </summary>
/// <param name="format">Format of the next page.</param>
/// <remarks>
/// Attention: For each page you have to add the references to fonts and pictures!
/// </remarks>
public void NextPage(PageFormat format)
{
// Close current page
_xpsPageWriter.Commit();
// Create new page.
_xpsPageWriter = _xpsDocWriter.AddFixedPage();
_xmlWriter = _xpsPageWriter.XmlWriter;
// Copy all Fonts
var part = _package.GetPart(_xpsPageWriter.Uri);
foreach (var uri in _embeddedFonts.Values)
part.CreateRelationship(uri, TargetMode.Internal, RequiredResourceRelationship);
// Copy all Images
foreach (var img in _embeddedImages.Values)
part.CreateRelationship(img.Uri, TargetMode.Internal, RequiredResourceRelationship);
StartPage(format);
}
