///// <summary>
///// These messages allow us to create a map of slides and md5 hashes. Unused.
///// </summary>
///// <param name="ism"></param>
//internal void AddImageSheetMessage(UW.ClassroomPresenter.Network.Messages.Presentation.ImageSheetMessage ism) {
// if ((ism.Parent != null) && (ism.Parent.Parent != null) &&
// (ism.Parent is CP3Msgs.SlideInformationMessage) &&
// (ism.Parent.Parent is CP3Msgs.DeckInformationMessage)) {
// Debug.WriteLine("ImageSheetMessage: sheet=" + ism.TargetId.ToString() + ";slide=" + ism.Parent.TargetId.ToString() +
// ";deck=" + ism.Parent.Parent.TargetId.ToString() + ";hash=" + ism.MD5.ToString());
// }
//}
/// <summary>
/// Text annotation add or update operation.
/// </summary>
/// <param name="textSheetMessage"></param>
/// <returns></returns>
internal object AddTextSheet(UW.ClassroomPresenter.Network.Messages.Presentation.TextSheetMessage tsm)
{
if ((tsm.Parent == null) || !(tsm.Parent is CP3Msgs.SlideInformationMessage))
{
warning += "Failed to locate slide for a text sheet. Ignoring Text Annotation. ";
return(null);
}
Guid slideId = (Guid)tsm.Parent.TargetId;
TableOfContents.TocEntry tocEntry = toc.LookupBySlideId(slideId);
if (tocEntry == null)
{
warning += "Warning: Failed to find table of contents entry for a text annotation. Ignoring the annotation. ";
return(null);
}
//WebViewer wants things scaled to 500x500 (this was a CP2 convention).
Rectangle r = ((CP3Msgs.SheetMessage)tsm).Bounds;
float fX = (float)r.X * 500F / getCurrentSlideWidth();
float fY = (float)r.Y * 500F / getCurrentSlideHeight();
Point scaledOrigin = new Point((int)Math.Round(fX), (int)Math.Round(fY));
Font scaledFont = new Font(tsm.font_.FontFamily, tsm.font_.Size * 500F / getCurrentSlideWidth(), tsm.font_.Style);
int scaledWidth = r.Width * 500 / (int)getCurrentSlideWidth();
int scaledHeight = r.Height * 500 / (int)getCurrentSlideHeight();
RTTextAnnotation rtta = new RTTextAnnotation(scaledOrigin, scaledFont, tsm.color_, tsm.Text, (Guid)tsm.TargetId, tocEntry.DeckId, tocEntry.SlideIndex, scaledWidth, scaledHeight);
return(rtta);
}
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();
}
/// <summary>
/// RTTextAnnotation is obsolete with CP 3.1 and later.
/// </summary>
/// <param name="rtta"></param>
private void FilterRTTextAnnotation(RTTextAnnotation rtta)
{
Guid guid = rtta.Guid; //verify that this property is actually populated.
BufferChunk data;
lock (subQueue) {
//if annotation with this guid is found in low priority queue, replace it, otherwise enqueue it.
for (int i = 0; i < subQueue.Count; i++)
{
if ((((WorkItem)subQueue[i]).OpCode == PacketType.RTTextAnnotation) &&
(((WorkItem)subQueue[i]).Guid == guid))
{
subQueue.RemoveAt(i);
break;
}
}
}
data = new BufferChunk(Helpers.ObjectToByteArray(rtta));
WorkItem wi = new WorkItem(data, PacketType.RTTextAnnotation, guid);
wi.DeckGuid = rtta.DeckGuid;
wi.SlideIndex = rtta.SlideIndex;
enqueueSub(wi);
}
