/// <summary>
/// Delete a text or image annotation.
/// </summary>
/// <param name="rtda"></param>
private void ReceiveDeleteAnnotation(RTDeleteAnnotation rtda)
{
int slideIndex;
slideIndex = slideMap.GetMapping(rtda.SlideIndex, rtda.DeckGuid);
//Get the slide
Slide s = SlideDeck.GetSlide(slideIndex);
SlideOverlay so = SlideDeck.GetOverlay(slideIndex);
//If the annotation is on the slide, delete it.
lock (so.TextAnnotations) {
if (so.TextAnnotations.ContainsKey(rtda.Guid))
{
so.TextAnnotations.Remove(rtda.Guid);
}
}
lock (so.DynamicImages) {
if (so.DynamicImages.ContainsKey(rtda.Guid))
{
so.DynamicImages.Remove(rtda.Guid);
}
}
so.RefreshDynamicElements();
}
/// <summary>
/// Attempt to display the indicated slide
/// </summary>
/// <param name="num">slide number</param>
/// If base url and extent are not null, attempt to load and display the slide.
public void ShowSlide(int num)
{
if (num != 0)
{
Slide tmpSlide = slideDeck.GetSlide(num);
if ((tmpSlide == null) || (tmpSlide.Image == null))
{
ThreadPool.QueueUserWorkItem(new WaitCallback(GetWebImageThread), num.ToString());
return;
}
}
DisplaySlideIndex(num);
}
private void ReceiveQuickPoll(RTQuickPoll rtqp)
{
int slideIndex;
//If we have already created the QuickPoll slide, get its index:
slideIndex = slideMap.GetMapping(rtqp.SlideIndex, rtqp.DeckGuid);
//Get the slide and overlay
Slide s = SlideDeck.GetSlide(slideIndex);
SlideOverlay so = SlideDeck.GetOverlay(slideIndex);
so.QuickPoll.Update((int)rtqp.Style, rtqp.Results);
so.QuickPoll.Enabled = true;
so.RefreshDynamicElements();
}
new Guid("{179222D6-BCC1-4570-8D8F-7E8834C1DD2A}"); //Presenter 2.0
#endregion Static
#region Constructor
/// <summary>
/// Construct
/// </summary>
/// <param name="view">The control where we display slides and ink</param>
/// <param name="form">The top level form for the app</param>
public SlideViewerGlue(LockedSlideView view, WebViewerForm form)
{
mySlideView = view;
parent = form;
mySlideView.LockObject = form;
mySlideView.Data = new SlideViewData();
currentBackgroundColor = mySlideView.LayerPanel.BackColor;
this.webClient = new System.Net.WebClient();
this.webClient.BaseAddress = "";
this.webClient.Credentials = null;
//Scale factors to make ink appear at the right place on this display.
Graphics g = form.CreateGraphics();
XinkScaleFactor = 96.0 / g.DpiX;
YinkScaleFactor = 96.0 / g.DpiY;
g.Dispose();
slideDeck = new SlideDeck(); //Create deck with one blank slide
currentSlideIndex = 0;
currentSlideSize = 1;
//Put that slide and overlay into SlideViewData:
mySlideView.Data.ChangeSlide(slideDeck.GetSlide(0), slideDeck.GetOverlay(0));
//Prepare layers for the SlideView control
mySlideView.ClearLayers();
mySlideView.AddLayer(new ImageLayer());
mySlideView.AddLayer(new DynamicElementsLayer());
mySlideView.AddLayer(new InkLayer());
mySlideView.Scrollable = false; //The app can scroll, but the user can't
//need this for scrolling:
workQueue = new WorkQueue();
workQueue.LockObject = form;
baseURL = null;
extent = null;
//Map Presenter2 decks to a flat array.
slideMap = new SlideMap();
}
/// <summary>
/// These are images that are added to slides "on-the-fly".
/// </summary>
/// <param name="rtia"></param>
private void ReceiveImageAnnotation(RTImageAnnotation rtia)
{
//Get the internal slide index:
int slideIndex = slideMap.GetMapping(rtia.SlideIndex, rtia.DeckGuid);
//Get the slide and overlay
Slide s = SlideDeck.GetSlide(slideIndex);
SlideOverlay so = SlideDeck.GetOverlay(slideIndex);
lock (so.DynamicImages) {
//If the annotation is already on the slide, replace, otherwise add.
if (so.DynamicImages.ContainsKey(rtia.Guid))
{
so.DynamicImages[rtia.Guid] = new DynamicImage(rtia.Guid, rtia.Origin, rtia.Width, rtia.Height, rtia.Img);
}
else
{
so.DynamicImages.Add(rtia.Guid, new DynamicImage(rtia.Guid, rtia.Origin, rtia.Width, rtia.Height, rtia.Img));
}
}
so.RefreshDynamicElements();
}
private void ReceiveTextAnnotation(RTTextAnnotation rtta)
{
int slideIndex;
slideIndex = slideMap.GetMapping(rtta.SlideIndex, rtta.DeckGuid);
//Get the slide and overlay
Slide s = SlideDeck.GetSlide(slideIndex);
SlideOverlay so = SlideDeck.GetOverlay(slideIndex);
lock (so.TextAnnotations) {
//If the annotation is already on the slide, replace, otherwise add.
if (so.TextAnnotations.ContainsKey(rtta.Guid))
{
so.TextAnnotations[rtta.Guid] = new TextAnnotation(rtta.Guid, rtta.Text, rtta.Color, rtta.Font, rtta.Origin, rtta.Width, rtta.Height);
}
else
{
so.TextAnnotations.Add(rtta.Guid, new TextAnnotation(rtta.Guid, rtta.Text, rtta.Color, rtta.Font, rtta.Origin, rtta.Width, rtta.Height));
}
}
so.RefreshDynamicElements();
}