public virtual Texture GetTexture(DrawArgs drawArgs, GeographicBoundingBox geoBox, int level)
{
ImageTileInfo info = GetImageTileInfo(geoBox, level);
if (File.Exists(info.ImagePath))
{
return(ImageHelper.LoadTexture(drawArgs.device, info.ImagePath, this.m_TransparentColor));
}
return(null);
}
public virtual GeoSpatialDownloadRequest RequestTexture(DrawArgs drawArgs, GeographicBoundingBox geoBox, int level)
{
ImageTileInfo info = GetImageTileInfo(geoBox, level);
GeoSpatialDownloadRequest request = GetDownloadRequest(geoBox, info);
if (!request.IsComplete)
{
m_downloadQueue.AddToDownloadQueue(drawArgs, request);
}
return(request);
}
public string GetImagePath(GeographicBoundingBox geoBox, int level)
{
ImageTileInfo info = GetImageTileInfo(geoBox, level);
return(info.ImagePath);
}
protected virtual GeoSpatialDownloadRequest GetDownloadRequest(GeographicBoundingBox geoBox, ImageTileInfo info)
{
return(new WWDownloadRequest(geoBox, info, m_downloadQueue, this));
}