private void RemoveLayerAt(int layerIndex)
{
Layer key = this.layers[layerIndex];
if (this.activeLayer == key)
{
this.ActiveLayer = null;
}
this.BeginLayersListChange();
VerticalImageStrip.Item item = this.layerToItemMap[key];
item.Tag = null;
base.RemoveItem(item);
if (item.Image != null)
{
item.Image.Dispose();
}
key.Invalidated -= new EventHandler <RectInt32InvalidatedEventArgs>(this.OnLayerInvalidated);
key.PropertyChanged -= new PropertyEventHandler(this.OnLayerPropertyChanged);
this.layers.RemoveAt(layerIndex);
this.layerToItemMap.Remove(key);
OurThumbnailProvider nukeMe = new OurThumbnailProvider(null, key);
this.thumbnailManager.RemoveFromQueue(nukeMe);
this.EndLayersListChange();
}
private void OnThumbnailUpdated(object sender, ValueEventArgs <Tuple <IThumbnailProvider, ISurface <ColorBgra> > > e)
{
if (!base.IsDisposed)
{
VerticalImageStrip.Item item;
OurThumbnailProvider provider = (OurThumbnailProvider)e.Value.Item1;
Layer key = provider.Layer;
if (this.layerToItemMap.TryGetValue(key, out item))
{
Image image = item.Image;
using (Bitmap bitmap = new Bitmap(e.Value.Item2.Width, e.Value.Item2.Height, e.Value.Item2.Stride, PixelFormat.Format32bppArgb, e.Value.Item2.Scan0))
{
Image image2 = new Bitmap(bitmap);
item.Image = image2;
}
e.Value.Item2.Dispose();
if (image != null)
{
image.Dispose();
}
if (item.ImageOpacity.FinalValue != 1.0)
{
item.ImageOpacity.AnimateValueTo(1.0, 0.5, AnimationTransitionType.SmoothStop);
}
}
}
}
private void RefreshLayerThumbnail(Layer layer)
{
if (this.layerToItemMap.ContainsKey(layer))
{
IRenderer <ColorBgra> layerRenderer = null;
if ((layerRenderer == null) && (this.documentWorkspace != null))
{
int index = this.document.Layers.IndexOf(layer);
if (index != -1)
{
layerRenderer = this.documentWorkspace.DocumentCanvas.DocumentCanvasLayer.DocumentRenderer.CreateLayerRenderer(index);
}
}
if (layerRenderer == null)
{
layerRenderer = new SolidColorRendererBgra(layer.Width, layer.Height, ColorBgra.TransparentBlack);
}
OurThumbnailProvider updateMe = new OurThumbnailProvider(layerRenderer, layer);
this.thumbnailManager.QueueThumbnailUpdate(updateMe, base.ThumbEdgeLength, new ValueEventHandler <Tuple <IThumbnailProvider, ISurface <ColorBgra> > >(this.OnThumbnailUpdated));
}
}
