public override void Dispose()
{
try
{
// call rol dispose to get all the children disposed first
base.Dispose();
// remove any textures no longer being used.
if (DrawArgs.Textures != null)
{
List <object> removeList = new List <object>();
foreach (object key in DrawArgs.Textures.Keys)
{
IconTexture iconTexture = (IconTexture)DrawArgs.Textures[key];
if (iconTexture.ReferenceCount <= 0)
{
removeList.Add(key);
}
}
foreach (object key in removeList)
{
IconTexture iconTexture = (IconTexture)DrawArgs.Textures[key];
DrawArgs.Textures.Remove(key);
iconTexture.Dispose();
}
}
if (m_sprite != null)
{
m_sprite.Dispose();
m_sprite = null;
}
if (refreshTimer != null)
{
refreshTimer.Stop();
refreshTimer.Dispose();
refreshTimer = null;
}
}
catch (Exception ex)
{
System.Console.WriteLine(ex.Message.ToString());
}
}
private void refreshTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (isUpdating)
{
return;
}
isUpdating = true;
try
{
for (int i = 0; i < this.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ChildObjects[i];
if (ro != null && ro.IsOn && ro is Icon)
{
Icon icon = (Icon)ro;
if (icon.RefreshInterval == TimeSpan.MaxValue || icon.LastRefresh > System.DateTime.Now - icon.RefreshInterval)
{
continue;
}
object key = null;
IconTexture iconTexture = null;
if (icon.TextureFileName != null && icon.TextureFileName.Length > 0)
{
if (icon.TextureFileName.ToLower().StartsWith("http://") && icon.SaveFilePath != null)
{
//download it
try
{
WorldWind.Net.WebDownload webDownload = new WorldWind.Net.WebDownload(icon.TextureFileName);
webDownload.DownloadType = WorldWind.Net.DownloadType.Unspecified;
System.IO.FileInfo saveFile = new System.IO.FileInfo(icon.SaveFilePath);
if (!saveFile.Directory.Exists)
{
saveFile.Directory.Create();
}
webDownload.DownloadFile(saveFile.FullName);
}
catch {}
iconTexture = (IconTexture)m_textures[icon.SaveFilePath];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
m_textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.SaveFilePath);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.SaveFilePath);
// New texture, cache it
m_textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
else
{
// Icon image from file
iconTexture = (IconTexture)m_textures[icon.TextureFileName];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
m_textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.TextureFileName);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.TextureFileName);
// New texture, cache it
m_textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
}
else
{
// Icon image from bitmap
if (icon.Image != null)
{
iconTexture = (IconTexture)m_textures[icon.Image];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
m_textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.Image);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.Image);
// New texture, cache it
m_textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
}
icon.LastRefresh = System.DateTime.Now;
}
}
}
catch {}
finally
{
isUpdating = false;
}
}
private void refreshTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (isUpdating)
{
return;
}
isUpdating = true;
try
{
for (int i = 0; i < this.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ChildObjects[i];
if (ro != null && ro.IsOn && ro is Icon)
{
Icon icon = (Icon)ro;
if (icon.RefreshInterval == TimeSpan.MaxValue || icon.LastRefresh > System.DateTime.Now - icon.RefreshInterval)
{
continue;
}
object key = null;
IconTexture iconTexture = null;
if (icon.TextureFileName != null && icon.TextureFileName.Length > 0)
{
iconTexture = (IconTexture)DrawArgs.Textures[icon.TextureFileName];
if (iconTexture != null)
{
iconTexture.UpdateTexture(DrawArgs.Device, icon.TextureFileName);
}
else
{
key = icon.TextureFileName;
iconTexture = new IconTexture(DrawArgs.Device, icon.TextureFileName);
iconTexture.ReferenceCount++;
// New texture, cache it
DrawArgs.Textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
else
{
// Icon image from bitmap
if (icon.Image != null)
{
iconTexture = (IconTexture)DrawArgs.Textures[icon.Image];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
DrawArgs.Textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.Image);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.Image);
// New texture, cache it
DrawArgs.Textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
}
icon.LastRefresh = System.DateTime.Now;
}
}
}
catch { }
finally
{
isUpdating = false;
}
}
