private void OnThumbnailRendered(object sender, EventArgs <Pair <IThumbnailProvider, Surface> > e)
{
RenderArgs ra = null;
DocumentWorkspace dw = (DocumentWorkspace)e.Data.First;
Size desiredSize = new Size(e.Data.Second.Width + 2, e.Data.Second.Height + 2);
if (this.thumbs.ContainsKey(dw))
{
ra = this.thumbs[dw];
if (ra.Size != desiredSize)
{
ra.Dispose();
ra = null;
this.thumbs.Remove(dw);
}
}
if (ra == null)
{
Surface surface = new Surface(desiredSize);
ra = new RenderArgs(surface);
this.thumbs.Add(dw, ra);
}
ra.Surface.Clear(ColorBgra.Black);
ra.Surface.CopySurface(e.Data.Second, new Point(1, 1));
e.Data.Second.Dispose();
OnThumbnailUpdated(dw);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
while (this.documents.Count > 0)
{
RemoveDocumentWorkspace(this.documents[this.documents.Count - 1]);
}
if (this.thumbnailManager != null)
{
this.thumbnailManager.Dispose();
this.thumbnailManager = null;
}
foreach (DocumentWorkspace dw in this.thumbs.Keys)
{
RenderArgs ra = this.thumbs[dw];
ra.Dispose();
}
this.thumbs.Clear();
this.thumbs = null;
}
base.Dispose(disposing);
}
public void RemoveDocumentWorkspace(DocumentWorkspace removeMe)
{
removeMe.CompositionUpdated -= Workspace_CompositionUpdated;
if (this.selectedDocument == removeMe)
{
this.selectedDocument = null;
}
removeMe.DocumentChanging -= Workspace_DocumentChanging;
removeMe.DocumentChanged -= Workspace_DocumentChanged;
if (removeMe.Document != null)
{
removeMe.Document.DirtyChanged -= Document_DirtyChanged;
}
this.documents.Remove(removeMe);
this.thumbnailManager.RemoveFromQueue(removeMe);
ImageStrip.Item docButton = this.dw2button[removeMe];
this.RemoveItem(docButton);
this.dw2button.Remove(removeMe);
this.documentButtons.Remove(docButton);
if (this.thumbs.ContainsKey(removeMe))
{
RenderArgs thumbRA = this.thumbs[removeMe];
Surface surface = thumbRA.Surface;
thumbRA.Dispose();
this.thumbs.Remove(removeMe);
surface.Dispose();
}
OnDocumentListChanged();
}
