public int GetImageIndex(string extension, OverlayImage overlay)
{
if (extension == null)
throw new ArgumentNullException("extension");
extension = extension.ToLowerInvariant();
int imageIndex;
if (!_imageCache.TryGetValue(extension, out imageIndex))
{
imageIndex = _imageList.GetIndexForFileName("dummy" + extension);
_imageCache.Add(extension, imageIndex);
}
int overlayIndex;
if (_overlays.TryGetValue(overlay, out overlayIndex))
return _imageList.GetIndexForOverlay(imageIndex, overlayIndex);
return imageIndex;
}
public void AddActiveArea(Rectangle area, Bitmap infoImage)
{
OverlayImage info = new OverlayImage(infoImage, .2f, .2f, mWhereWindow);
CameraPositionTrigger trigger = new CameraPositionTrigger(Manager.Coordinator);
mActiveAreas.Add(trigger);
trigger.Triggered += () => {
mInfoImages.Add(info);
mWhereButton.Active = true;
};
trigger.Left += () => {
mInfoImages.Remove(info);
mWhereButton.Active = mInfoImages.Count > 0;
};
}
