/// <summary>
/// Called when downloading has ended.
/// </summary>
/// <param name="wd">The download.</param>
private static void OnDownloadEnded(WebDownloadWithReferer wd)
{
if (DownloadEnded != null) {
DownloadEnded(wd);
}
}
public void GetTexture(DrawArgs drawArgs)
{
this.drawArgs = drawArgs;
/*if(debug) {
//generate a DEBUG tile with metadata
MemoryStream ms;
//debug
Bitmap b = new Bitmap(GeoportailTilesLayer.PixelsPerTile,
GeoportailTilesLayer.PixelsPerTile);
System.Drawing.Imaging.ImageFormat imageFormat;
alMetaData.Add("ww rowXcol : " + row.ToString() + "x" + col.ToString());
alMetaData.Add("geoLevel : " + level.ToString());
imageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;
b = DecorateBitmap(b, font, brush, alMetaData);
ms = new MemoryStream();
b.Save(ms, imageFormat);
ms.Position = 0;
this.texture = TextureLoader.FromStream(drawArgs.device, ms);
ms.Close();
ms = null;
b.Dispose();
b = null;
}
else {*/
//load a tile from file OR download it if not cached
//Change that to have a territory/Layer/level tree instead
string territoryDir = CreateTerritoryDir(geoForm.WorldWindow.Cache.CacheDirectory,layer.Territory.Name);
string layerDir = CreateLayerDir(territoryDir, layer.Name);
string levelDir = CreateLevelDir(layerDir,level.Level);
textureName = GetTextureName(levelDir, row, col);
if(File.Exists(textureName) == true) {
this.texture = TextureLoader.FromFile(drawArgs.device, textureName);
}
else {
string textureUrl = "http://cimg.geoportail.fr/ImageX/ImageX.dll?image?cache=true&transparent=true&type=jpg&l=" + level.Level.ToString() + "&tx=" + col.ToString() + "&ty=" + row.ToString() + "&ts=384&fill=ffffff&quality=60&layers=" + formatComponents() + layer.CopyrightNoticeUrl;
download = new WebDownloadWithReferer(textureUrl);
download.DownloadType = DownloadType.Unspecified;
download.SavedFilePath = textureName + ".tmp"; //?
download.CompleteCallback += new DownloadCompleteHandler(DownloadComplete);
download.BackgroundDownloadFile();
}
//}
}
private void DownloadComplete(WebDownloadWithReferer downloadInfo)
{
try {
downloadInfo.Verify();
// Rename temp file to real name
File.Delete(textureName);
File.Move(downloadInfo.SavedFilePath, textureName);
this.texture = TextureLoader.FromFile(drawArgs.device, textureName);
}
catch(System.Net.WebException caught) {
System.Net.HttpWebResponse response = caught.Response as System.Net.HttpWebResponse;
if(response!=null && response.StatusCode==System.Net.HttpStatusCode.NotFound) {
using(File.Create(textureName + ".txt")) {
}
return;
}
}
catch {
using(File.Create(textureName + ".txt")) {
}
if(File.Exists(downloadInfo.SavedFilePath))
File.Delete(downloadInfo.SavedFilePath);
}
finally {
download.IsComplete = true;
}
}
public void Dispose()
{
if(texture != null) {
texture.Dispose();
texture = null;
}
if(download != null) {
download.Dispose();
download = null;
}
if(vertices != null) {
vertices = null;
}
if(indices != null) {
indices = null;
}
if(downloadRectangle != null) {
downloadRectangle = null;
}
GC.SuppressFinalize(this);
}