/// <summary>
/// Add images from source to new XPS.
/// </summary>
/// <param name="fixedPageReader"></param>
/// <param name="pageWriter"></param>
private void AddImages(
IXpsFixedPageReader fixedPageReader,
IXpsFixedPageWriter pageWriter)
{
// Adding images to resources.
foreach (XpsImage image in fixedPageReader.Images)
{
XpsImage newImage = null;
// Getting the URI to check the image extension.
string sourceExt = image.Uri.ToString().ToLower();
if (sourceExt.Contains(ImageType.PNG))
{
newImage = pageWriter.AddImage(XpsImageType.PngImageType);
}
else if (sourceExt.Contains(ImageType.JPG) ||
sourceExt.Contains(ImageType.JPEG))
{
newImage = pageWriter.AddImage(XpsImageType.JpegImageType);
}
else if (sourceExt.Contains(ImageType.TIF) ||
sourceExt.Contains(ImageType.TIFF))
{
newImage = pageWriter.AddImage(XpsImageType.TiffImageType);
}
else if (sourceExt.Contains(ImageType.WDP))
{
newImage = pageWriter.AddImage(XpsImageType.WdpImageType);
}
else
{
newImage = null;
}
if (null != newImage)
{
using (Stream dstImageStream = newImage.GetStream())
{
using (Stream srcImageStream = image.GetStream())
{
CopyStream(srcImageStream, dstImageStream);
newImage.Commit();
XpsDetails xpsImage = new XpsDetails();
xpsImage.resource = newImage;
xpsImage.sourceURI = image.Uri;
xpsImage.destURI = newImage.Uri;
xpsImages.Add(xpsImage);
}
}
}
}
}
}// end:AddImage()
// --------------------------- GetXpsImage() --------------------------
/// <summary>
/// Copies a given image to a specified XPS page.</summary>
/// <param name="pageWriter">
/// The FixedPage writer to copy the image to.</param>
/// <param name="imgPath">
/// The source file path for the image.</param>
/// <param name="imageType">
/// The type of the image.</param>
/// <returns>
/// The package URI of the copied image.</returns>
private string GetXpsImage(
IXpsFixedPageWriter pageWriter,
string imgPath,
XpsImageType imageType)
{
XpsImage xpsImage = pageWriter.AddImage(imageType);
Stream srcStream = new FileStream(imgPath, FileMode.Open);
Stream dstStream = xpsImage.GetStream();
Byte[] streamBytes = new Byte[srcStream.Length];
srcStream.Read(streamBytes, 0, (int)srcStream.Length);
dstStream.Write(streamBytes, 0, (int)srcStream.Length);
xpsImage.Commit();
return(xpsImage.Uri.ToString());
}
public bool WriteDocument(List <byte[]> images, string file_out)
{
XpsDocument doc = null;
IXpsFixedDocumentSequenceWriter docSeqWriter = null;
IXpsFixedDocumentWriter docWriter = null;
if (LogHelper.CanDebug())
{
LogHelper.Begin("XpsHelper.WriteDocument");
}
try
{
// xps doc does not manage overwrite, so delete before if exist
if (File.Exists(file_out))
{
File.Delete(file_out);
}
// create the document
doc = new XpsDocument(file_out, FileAccess.ReadWrite, CompressionOption.NotCompressed);
// Create the document sequence
docSeqWriter = doc.AddFixedDocumentSequence();
// Create the document
docWriter = docSeqWriter.AddFixedDocument();
for (int i = 0; i < images.Count; ++i)
{
// Create the Page
IXpsFixedPageWriter pageWriter = docWriter.AddFixedPage();
// Get the XmlWriter
XmlWriter xmlWriter = pageWriter.XmlWriter;
//create the xps image resource
XpsImage xpsImage = pageWriter.AddImage(XpsImageType.JpegImageType);
using (Stream dstImageStream = xpsImage.GetStream())
{
dstImageStream.Write(images[i], 0, images[i].Length);
xpsImage.Commit();
}
//this is just to get the real WPF image size as WPF display units and not image pixel size !!
using (MemoryStream ms = new MemoryStream(images[i]))
{
BitmapImage myImage = new BitmapImage();
myImage.BeginInit();
myImage.CacheOption = BitmapCacheOption.OnLoad;
myImage.StreamSource = ms;
myImage.EndInit();
//write the page
WritePageContent(xmlWriter, xpsImage, myImage.Width, myImage.Height);
}
//with the first page, create the thumbnail of the xps document
if (i == 0)
{
XpsThumbnail thumb = doc.AddThumbnail(XpsImageType.JpegImageType);
using (MemoryStream ms = new MemoryStream(images[i]))
{
BitmapImage thumbImage = new BitmapImage();
thumbImage.BeginInit();
thumbImage.DecodePixelWidth = 256;
thumbImage.CacheOption = BitmapCacheOption.OnLoad;
thumbImage.StreamSource = ms;
thumbImage.EndInit();
using (Stream xpsThumbStream = thumb.GetStream())
{
JpegBitmapEncoder encoder = new JpegBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(thumbImage));
encoder.Save(xpsThumbStream);
}
}
thumb.Commit();
}
xmlWriter.Flush();
// Close the page
pageWriter.Commit();
}
return(true);
}
catch (Exception err)
{
LogHelper.Manage("XpsHelper.WriteDocument", err);
return(false);
}
finally
{
if (docWriter != null)
{
docWriter.Commit();
}
if (docSeqWriter != null)
{
docSeqWriter.Commit();
}
if (doc != null)
{
doc.Close();
}
LogHelper.End("XpsHelper.WriteDocument");
}
}
private static void AddDocumentContent(IXpsFixedDocumentWriter fixedDocumentWriter,
XmlNodeList selectedThumbnails)
{
Console.WriteLine("Using PackWebRequest and PackWebResponse APIs to retrieve selected photos ...");
Console.WriteLine("------------------------------------------------------------------------------");
foreach (XmlNode node in selectedThumbnails)
{
Uri packageUri;
Uri partUri;
string selectedId = node.Attributes["Id"].InnerText;
try
{
GetSelectedPhotoUri(selectedId, out packageUri, out partUri);
}
catch (Exception e)
{
// We catch all exceptions because we don't want any
// exception caused by invalid input crash our server.
// But we record all exceptions, and try to continue.
Console.WriteLine("Hit exception while resolving photo Uri "
+ "for selected thumbnail ID " + selectedId);
Console.WriteLine("Exception:");
Console.WriteLine(e.ToString());
continue;
}
// Using PackWebRequest to retrieve the photo.
using (WebResponse response =
PackWebRequestForPhotoPart(packageUri, partUri))
{
Stream s = response.GetResponseStream();
// Add a fixed page into the fixed document.
IXpsFixedPageWriter fixedPageWriter =
fixedDocumentWriter.AddFixedPage();
// Add the photo image resource to the page.
XpsImage xpsImage =
fixedPageWriter.AddImage(response.ContentType);
SharedLibrary.CopyStream(s, xpsImage.GetStream());
xpsImage.Commit();
s.Seek(0, SeekOrigin.Begin);
// Use BitmapFrame to get the dimension of the photo image.
BitmapFrame imgFrame = BitmapFrame.Create(s);
// Write the XML description of the fixed page.
WritePageContent(fixedPageWriter.XmlWriter, xpsImage.Uri,
imgFrame);
fixedPageWriter.Commit();
}
}
Console.WriteLine("------------------------------------------------------------------------------");
Console.WriteLine("All selected photos retrieved.");
}