internal static BitmapLayer DecodeToPdnLayer(
this PhotoshopFile.Layer psdLayer)
{
var psdFile = psdLayer.PsdFile;
psdLayer.CreateMissingChannels();
var pdnLayer = new BitmapLayer(psdFile.ColumnCount, psdFile.RowCount);
pdnLayer.Name = psdLayer.Name;
pdnLayer.Opacity = psdLayer.Opacity;
pdnLayer.Visible = psdLayer.Visible;
ImageDecoderPdn.DecodeImage(pdnLayer, psdLayer);
return(pdnLayer);
}
public static Document Load(System.IO.Stream input)
{
// Load and decompress Photoshop file structures
var loadContext = new LoadContext();
var psdFile = new PsdFile(input, loadContext);
// Multichannel images are loaded by processing each channel as a
// grayscale layer.
if (psdFile.ColorMode == PsdColorMode.Multichannel)
{
CreateLayersFromChannels(psdFile);
psdFile.ColorMode = PsdColorMode.Grayscale;
}
// Convert into Paint.NET internal representation
var document = new Document(psdFile.ColumnCount, psdFile.RowCount);
if (psdFile.Layers.Count == 0)
{
psdFile.BaseLayer.CreateMissingChannels();
var layer = Layer.CreateBackgroundLayer(psdFile.ColumnCount, psdFile.RowCount);
ImageDecoderPdn.DecodeImage(layer, psdFile.BaseLayer);
document.Layers.Add(layer);
}
else
{
psdFile.VerifyLayerSections();
ApplyLayerSections(psdFile.Layers);
var pdnLayers = psdFile.Layers.AsParallel().AsOrdered()
.Select(psdLayer => psdLayer.DecodeToPdnLayer())
.ToList();
document.Layers.AddRange(pdnLayers);
}
return(document);
}
