private void m_RefreshTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
try
{
if (this.isUpdating)
{
return;
}
this.isUpdating = true;
if (this.m_ImageUri == null)
{
return;
}
if (this.m_ImageUri.ToLower().StartsWith("http://"))
{
bool forceDownload = false;
if (this.m_SaveFilePath == null)
{
// TODO: hack, need to get the correct cache directory
this.m_SaveFilePath = System.IO.Path.GetDirectoryName(Application.ExecutablePath) + "\\Cache\\PictureBoxImages\\temp";
forceDownload = true;
}
System.IO.FileInfo saveFile = new System.IO.FileInfo(this.m_SaveFilePath);
if (saveFile.Exists)
{
try
{
Texture texture = ImageHelper.LoadTexture(this.m_SaveFilePath);
texture.Dispose();
}
catch
{
saveFile.Delete();
saveFile.Refresh();
}
}
// Offline check added
if (!World.Settings.WorkOffline && (forceDownload || !saveFile.Exists ||
(this.m_RefreshTime > 0 && saveFile.LastWriteTime.Subtract(DateTime.Now) > TimeSpan.FromSeconds(this.m_RefreshTime))))
{
//download it
try
{
Net.WebDownload webDownload = new Net.WebDownload(this.m_ImageUri);
webDownload.DownloadType = Net.DownloadType.Unspecified;
if (!saveFile.Directory.Exists)
{
saveFile.Directory.Create();
}
webDownload.DownloadFile(this.m_SaveFilePath);
}
catch { }
}
}
else
{
this.m_SaveFilePath = this.m_ImageUri;
}
if (this.m_ImageTexture != null && !this.m_ImageTexture.Disposed)
{
this.m_ImageTexture.Dispose();
this.m_ImageTexture = null;
}
if (!System.IO.File.Exists(this.m_SaveFilePath))
{
this.displayText = "Image Not Found";
return;
}
this.m_ImageTexture = ImageHelper.LoadTexture(this.m_SaveFilePath);
this.m_surfaceDescription = this.m_ImageTexture.GetLevelDescription(0);
int width = this.ClientSize.Width;
int height = this.ClientSize.Height;
if (this.ClientSize.Width == 0)
{
width = this.m_surfaceDescription.Width;
}
if (this.ClientSize.Height == 0)
{
height = this.m_surfaceDescription.Height;
}
if (this.ParentWidget is Form && this.SizeParentToImage)
{
Form parentForm = (Form)this.ParentWidget;
parentForm.ClientSize = new System.Drawing.Size(width, height + parentForm.HeaderHeight);
}
else if (this.SizeParentToImage)
{
this.ParentWidget.ClientSize = new System.Drawing.Size(width, height);
}
this.ClientSize = new System.Drawing.Size(width, height);
this.m_currentImageUri = this.m_ImageUri;
this.IsLoaded = true;
this.isUpdating = false;
this.displayText = null;
if (this.m_RefreshTime == 0 && this.m_RefreshTimer.Enabled)
{
this.m_RefreshTimer.Stop();
}
}
catch (Exception ex)
{
Log.Write(ex);
}
}
public override void Initialize(DrawArgs drawArgs)
{
if (this.m_polygonFeature == null)
{
double offset = 0.02;
Point3d[] points = new Point3d[4];
points[0] = new Point3d(this.m_longitude - offset, this.m_latitude - offset,
200000);
points[1] = new Point3d(this.m_longitude - offset, this.m_latitude + offset,
200000);
points[2] = new Point3d(this.m_longitude + offset, this.m_latitude + offset,
200000);
points[3] = new Point3d(this.m_longitude + offset, this.m_latitude - offset,
200000);
LinearRing outerRing = new LinearRing();
outerRing.Points = points;
this.m_polygonFeature = new PolygonFeature(this.name, this.World,
outerRing,
null,
System.Drawing.Color.Chocolate);
this.m_polygonFeature.AltitudeMode = AltitudeMode.Absolute;
this.m_polygonFeature.Extrude = true;
this.m_polygonFeature.Outline = true;
this.m_polygonFeature.OutlineColor = System.Drawing.Color.Chocolate;
}
FileInfo savedFlagFile = new FileInfo(this.SavedImagePath);
FileInfo placeHolderFile = new FileInfo(this.SavedImagePath + ".blk");
if (savedFlagFile.Exists)
{
try
{
this.m_texture = ImageHelper.LoadTexture(
savedFlagFile.FullName,
System.Drawing.Color.Black.ToArgb());
}
catch
{
savedFlagFile.Delete();
savedFlagFile.Refresh();
}
}
if (!savedFlagFile.Exists && !placeHolderFile.Exists)
{
if (!savedFlagFile.Directory.Exists)
savedFlagFile.Directory.Create();
try
{
// Offline check
if (World.Settings.WorkOffline)
throw new Exception("Offline mode active.");
Net.WebDownload download = new Net.WebDownload(this.m_imageUri);
download.DownloadFile(savedFlagFile.FullName);
download.Dispose();
savedFlagFile.Refresh();
}
catch
{
FileStream fs = placeHolderFile.Create();
fs.Close();
fs = null;
placeHolderFile.Refresh();
}
if (savedFlagFile.Exists)
{
this.m_texture = ImageHelper.LoadTexture(
savedFlagFile.FullName,
System.Drawing.Color.Black.ToArgb());
}
}
if (m_vertexDeclaration == null)
{
VertexElement[] velements = new VertexElement[]
{
new VertexElement(0, 0, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Position, 0),
new VertexElement(0, 12, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Normal, 0),
new VertexElement(0, 24, DeclarationType.Float2, DeclarationMethod.Default, DeclarationUsage.TextureCoordinate, 0),
VertexElement.VertexDeclarationEnd
};
m_vertexDeclaration = new VertexDeclaration(drawArgs.device, velements);
}
this.UpdateVertices();
this.isInitialized = true;
}
