/// <summary>
/// Returns a Bitmap instance of the composed result
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public System.Drawing.Bitmap ComposeBitmap(string virtualPath, NameValueCollection queryString)
{
//Renderer object
IPsdRenderer renderer = GetSelectedRenderer(queryString);
//Bitmap we will render to
System.Drawing.Bitmap b = null;
MemCachedFile file = MemCachedFile.GetCachedVirtualFile(StripFakeExtension(virtualPath), c.Pipeline, new NameValueCollection());
using (Stream s = file.GetStream()) {
//Time just the parsing/rendering
Stopwatch swRender = new Stopwatch();
swRender.Start();
IList <IPsdLayer> layers = null;
Size size = Size.Empty;
//Use the selected renderer to parse the file and compose the layers, using this delegate callback to determine which layers to show.
b = renderer.Render(s, out layers, out size, BuildLayerCallback(queryString), BuildModifyLayerCallback(queryString));
//Save layers & size for later use
file.SetSubkey("layers_" + renderer.ToString(), layers);
file.SetSubkey("size_" + renderer.ToString(), size);
//How fast?
swRender.Stop();
trace("Using encoder " + renderer.ToString() + ", rendering stream to a composed Bitmap instance took " + swRender.ElapsedMilliseconds.ToString() + "ms");
}
return(b);
}
/// <summary>
/// Returns a collection of all the layers for the specified file and the size of the file (memcached)
/// </summary>
/// <param name="virtualPath"></param>
/// <param name="queryString"></param>
/// <returns></returns>
protected KeyValuePair <Size, IList <IPsdLayer> > GetFileMetadata(string virtualPath, NameValueCollection queryString)
{
Stopwatch sw = new Stopwatch();
sw.Start();
//Renderer object
IPsdRenderer renderer = GetSelectedRenderer(queryString);
//File
MemCachedFile file = MemCachedFile.GetCachedVirtualFile(StripFakeExtension(virtualPath), c.Pipeline, new NameValueCollection());
//key
string layersKey = "layers_" + renderer.ToString();
string sizeKey = "size_" + renderer.ToString();
//Try getting from the cache first
IList <IPsdLayer> layers = file.GetSubkey(layersKey) as IList <IPsdLayer>;
Size size = file.GetSubkey(sizeKey) is Size ? (Size)file.GetSubkey(sizeKey) : Size.Empty;
if (layers == null)
{
//Time just the parsing
Stopwatch swRender = new Stopwatch();
swRender.Start();
layers = renderer.GetLayersAndSize(file.GetStream(), out size);
//Save to cache for later
file.SetSubkey(layersKey, layers);
file.SetSubkey(sizeKey, size);
//How fast?
swRender.Stop();
trace("Using decoder " + renderer.ToString() + ",parsing file and enumerating layers took " + swRender.ElapsedMilliseconds.ToString() + "ms");
}
sw.Stop();
trace("Total time for enumerating, including file reading: " + sw.ElapsedMilliseconds.ToString(NumberFormatInfo.InvariantInfo) + "ms");
return(new KeyValuePair <Size, IList <IPsdLayer> >(size, layers));
}