/// <summary>
/// Constructs a listener for changes to the deck traversal
/// </summary>
/// <param name="sender">The event queue for handling updates</param>
/// <param name="presentation">The presentation</param>
/// <param name="traversal">The deck traversal we care about </param>
public DeckTraversalWebService(SendingQueue sender, PresentationModel presentation, DeckTraversalModel traversal)
{
this.m_Sender = sender;
this.m_Presentation = presentation;
this.m_DeckTraversal = traversal;
// Create the deck object
string deckName = "Untitled Deck";
using (Synchronizer.Lock(this.m_DeckTraversal.SyncRoot))
{
using (Synchronizer.Lock(this.m_DeckTraversal.Deck))
{
deckName = this.m_DeckTraversal.Deck.HumanName;
}
}
SimpleWebDeck deck = new SimpleWebDeck();
deck.Name = deckName;
lock (WebService.Instance.GlobalModel) {
WebService.Instance.GlobalModel.Decks.Add(deck);
}
WebService.Instance.UpdateModel();
this.m_DeckWebService = new DeckWebService(this.m_Sender, this.m_Presentation, this.m_DeckTraversal.Deck);
this.m_CurrentChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.m_Sender, new PropertyEventHandler(this.HandleCurrentChanged));
this.m_DeckTraversal.Changed["Current"].Add(this.m_CurrentChangedDispatcher.Dispatcher);
}
protected SimpleWebSlide GetExistingWebSlide(SimpleWebDeck d, Guid id)
{
foreach (SimpleWebSlide s in d.Slides)
{
if (s.Id == id)
{
return(s);
}
}
return(null);
}
/// <summary>
/// Helper class that is run on a different thread that converts the ink coordinates into pixel coordinates
/// </summary>
/// <param name="extracted">The strokes to convert and add to the model</param>
private void HandleInkAddedHelper(Ink extracted)
{
// Adjust for differences in DPI
if (ViewerStateModel.NonStandardDpi)
{
extracted.Strokes.Transform(ViewerStateModel.DpiNormalizationSendMatrix, true);
}
// Get the model object to add it to
lock (WebService.Instance.GlobalModel) {
SimpleWebDeck deck = (SimpleWebDeck)WebService.Instance.GlobalModel.Decks[WebService.Instance.GlobalModel.CurrentDeck];
SimpleWebSlide slide = (SimpleWebSlide)deck.Slides[WebService.Instance.GlobalModel.CurrentSlide - 1];
slide.Inks = new ArrayList();
// Extract each stroke
foreach (Stroke s in extracted.Strokes)
{
// Get the points
System.Drawing.Point[] pts = s.GetPoints();
// Convert and remove duplicates
bool bFirst = true;
ArrayList pts_new = new ArrayList();
System.Drawing.Point last = System.Drawing.Point.Empty;
foreach (System.Drawing.Point p in pts)
{
System.Drawing.Point pNew = new System.Drawing.Point((int)Math.Round(p.X / 26.37f), (int)Math.Round(p.Y / 26.37f));
if (!bFirst && last == pNew)
{
continue;
}
bFirst = false;
last = pNew;
pts_new.Add(pNew);
}
// Add the points to the model
SimpleWebInk stroke = new SimpleWebInk();
stroke.Pts = (System.Drawing.Point[])pts_new.ToArray(typeof(System.Drawing.Point));
stroke.R = s.DrawingAttributes.Color.R;
stroke.G = s.DrawingAttributes.Color.G;
stroke.B = s.DrawingAttributes.Color.B;
stroke.Opacity = (s.DrawingAttributes.RasterOperation == RasterOperation.MaskPen) ? (byte)127 : (byte)255;
stroke.Width = s.DrawingAttributes.Width / 26.37f;
slide.Inks.Add(stroke);
}
}
WebService.Instance.UpdateModel();
}
protected static string BuildDeckString(string prefix, int index, SimpleWebDeck deck)
{
string newPrefix = prefix + "_" + index;
string result = "";
result += "\t\t<div id=\"" + newPrefix + "\">\n";
result += "\t\t\t<div id=\"" + newPrefix + "_Index\">" + index + "</div>\n";
result += "\t\t\t<div id=\"" + newPrefix + "_Name\">" + deck.Name + "</div>\n";
result += "\t\t\t<div id=\"" + newPrefix + "_Slides\">\n";
for (int i = 0; i < deck.Slides.Count; i++)
{
result += BuildSlideString(newPrefix, deck.Name, i, (SimpleWebSlide)deck.Slides[i]);
}
result += "\t\t\t</div>\n";
result += "\t\t</div>\n";
return(result);
}
