private static void AddComponents(LightFieldPackage package, Json.FrameReferences references, byte[] imageData, Json.FrameMetadata frameMetadata, Json.FrameMetadata privateMetadata)
{
global::System.Diagnostics.Debug.Assert(package != null, "Package cannot be null.");
global::System.Diagnostics.Debug.Assert(references != null, "References cannot be null.");
global::System.Diagnostics.Debug.Assert(imageData != null, "Image data cannot be null.");
global::System.Diagnostics.Debug.Assert(frameMetadata != null, "Frame metadata cannot be null.");
global::System.Diagnostics.Debug.Assert(privateMetadata != null, "Private metadata cannot be null.");
LightFieldComponent privateComponent = new LightFieldComponent();
string privateJson = privateMetadata.ToStringJson();
privateComponent.Data = Encoding.UTF8.GetBytes(privateJson);
privateComponent.Reference = GenerateRef(privateComponent.Data);
references.PrivateMetadataRef = privateComponent.Reference;
LightFieldComponent frameComponent = new LightFieldComponent();
string frameJson = frameMetadata.ToStringJson();
frameComponent.Data = Encoding.UTF8.GetBytes(frameJson);
frameComponent.Reference = GenerateRef(frameComponent.Data);
references.MetadataRef = frameComponent.Reference;
LightFieldComponent imageComponent = new LightFieldComponent();
imageComponent.Data = imageData;
imageComponent.Reference = GenerateRef(imageComponent.Data);
references.ImageRef = imageComponent.Reference;
package.Components.Add(imageComponent);
package.Components.Add(frameComponent);
package.Components.Add(privateComponent);
}
/// <summary>
/// Loads components from a stream.
/// </summary>
/// <param name="stream">A stream to load the components from.</param>
/// <remarks>The components in <paramref name="stream" /> replace components currently in the package.</remarks>
public void Load(Stream stream)
{
_components.Clear();
_components.Add(this); // this component was already read by base's constructor
using (stream)
{
while (stream.Position < stream.Length)
{
OnProgressChanged(stream.Position, stream.Length);
LightFieldComponent component = new LightFieldComponent(stream);
_components.Add(component);
}
}
}
/// <summary>
/// Gets the <see cref="FieldImage"/> for image data.
/// </summary>
/// <param name="frameIndex">The frame index.</param>
/// <returns>the <see cref="FieldImage"/> for image data if available in the package; null otherwise.</returns>
public FieldImage GetFieldImage(int frameIndex = 0)
{
LightFieldComponent imageComponent = GetImageComponent(frameIndex);
if (imageComponent == null)
{
return(null);
}
Json.FrameReferences frame = _frames[frameIndex];
if (frame.Metadata != null)
{
return(FieldImage.From(imageComponent, frame.Metadata, frame.PrivateMetadata));
}
return(null);
}
/// <summary>
/// Initializes a new instance of the <see cref="PackageAccessor"/> class.
/// </summary>
/// <param name="package">The package to be accessed.</param>
public PackageAccessor(LightFieldPackage package)
{
if (package == null)
{
throw new ArgumentNullException("package");
}
_package = package;
LightFieldComponent metadata = package.GetMetadata().FirstOrDefault();
if (metadata != null)
{
_master = new Json.Master();
_master.LoadFromJson(metadata.GetDataAsString());
}
_exceptions = new List <Exception>();
_hasContent = Initialize();
}
private void LoadFrame(Json.FrameItem frameItem)
{
if (frameItem == null || frameItem.Frame == null)
{
return;
}
Json.FrameReferences frameReferences = frameItem.Frame;
if (frameReferences.Metadata == null && frameReferences.MetadataRef != null)
{
LightFieldComponent frameMetadataComponent = Package.GetComponent(frameReferences.MetadataRef).FirstOrDefault();
if (frameMetadataComponent != null)
{
try
{
Json.FrameMetadata frameMetadata = new Json.FrameMetadata();
frameMetadata.LoadFromJson(frameMetadataComponent.GetDataAsString());
frameReferences.Metadata = frameMetadata;
}
catch (FormatException e) { OnException(e); }
}
}
if (frameReferences.PrivateMetadata == null && frameReferences.PrivateMetadataRef != null)
{
LightFieldComponent privateMetadataComponent = Package.GetComponent(frameReferences.PrivateMetadataRef).FirstOrDefault();
if (privateMetadataComponent != null)
{
try
{
Json.FrameMetadata privateMetadata = new Json.FrameMetadata();
privateMetadata.LoadFromJson(privateMetadataComponent.GetDataAsString());
frameReferences.PrivateMetadata = privateMetadata;
}
catch (FormatException e) { OnException(e); }
}
}
_frames.Add(frameReferences);
}
/// <summary>
/// Initializes a new instance of the <see cref="ComponentReader" /> class.
/// </summary>
/// <param name="component">The <see cref="LightFieldComponent"/> to read from.</param>
public ComponentReader(LightFieldComponent component) : base(new MemoryStream(component.Data), component.Encoding)
{
_length = component.Length;
}
/// <summary>
/// Creates a new <see cref="LightFieldPackage"/> from raw camera files.
/// </summary>
/// <param name="rootMetadata">The picture metadata.</param>
/// <param name="imageData">Frames raw data in order specified by the metadata.</param>
/// <returns>A <see cref="LightFieldPackage"/> with components containing the specified files.</returns>
/// <exception cref="ArgumentNullException"><paramref name="rootMetadata"/>, <paramref name="imageData"/> itself or any data in the array is null.</exception>
/// <exception cref="ArgumentException">Metadata do not contain information required to create the package, or the <paramref name="imageData"/> contains less items than there is frames in the metadata.</exception>
public static LightFieldPackage FromCameraFiles(Json.Root rootMetadata, IEnumerable <byte[]> imageData)
{
if (imageData == null)
{
throw new ArgumentNullException("imageData");
}
if (rootMetadata == null)
{
throw new ArgumentNullException("rootMetadata");
}
if (rootMetadata.Master == null || rootMetadata.Master.Picture == null || rootMetadata.Master.Picture.FrameArray == null)
{
throw new ArgumentException("Critical metadata missing.", "rootMetadata");
}
LightFieldPackage package = new LightFieldPackage();
Json.Master metadata = rootMetadata.Master;
IEnumerator <byte[]> rawDataEnumerator = imageData.GetEnumerator();
for (int i = 0; i < metadata.Picture.FrameArray.Length; i++)
{
Json.FrameItem frameItem = metadata.Picture.FrameArray[i];
if (frameItem == null || frameItem.Frame == null || frameItem.Frame.Metadata == null)
{
throw new ArgumentException("Missing metadata for frame " + i + ".", "rootMetadata");
}
if (!rawDataEnumerator.MoveNext())
{
throw new ArgumentException("Missing image data for frame " + i + ".", "imageData");
}
byte[] data = rawDataEnumerator.Current;
if (data == null)
{
throw new ArgumentNullException("Image data cannot be null.", "imageData");
}
Json.FrameMetadata frameMetadata = frameItem.Frame.Metadata;
frameItem.Frame.Metadata = null;
Json.FrameMetadata privateMetadata = frameItem.Frame.PrivateMetadata;
frameItem.Frame.PrivateMetadata = null;
AddComponents(package, frameItem.Frame, data, frameMetadata, privateMetadata);
}
LightFieldComponent metadataComponent = new LightFieldComponent();
metadataComponent.ComponentType = 'M';
metadataComponent.Data = Encoding.UTF8.GetBytes(metadata.ToStringJson());
metadataComponent.Reference = GenerateRef(metadataComponent.Data);
package.Components.Insert(1, metadataComponent);
return(package);
}
private string LoadFromPhase1(LightFieldPackage package, string packageReference, Dictionary <string, FlatFieldItem> items)
{
LightFieldComponent metadataComponent = package.GetMetadata().FirstOrDefault();
if (metadataComponent == null)
{
return(null);
}
Json.Master master = new Json.Master();
master.LoadFromJson(metadataComponent.GetDataAsString());
if (master.Files != null)
{
foreach (Json.File file in master.Files)
{
if (file.Name != null && file.Name.StartsWith(@"C:\T1CALIB\MOD_", StringComparison.OrdinalIgnoreCase))
{
if (file.Name.EndsWith(".TXT", StringComparison.OrdinalIgnoreCase))
{
LightFieldComponent imageMetadataComponent = package.GetComponent(file.DataRef).FirstOrDefault();
if (imageMetadataComponent != null)
{
Json.Root imageRoot = new Json.Root();
imageRoot.LoadFromJson(imageMetadataComponent.GetDataAsString());
if (imageRoot.Master != null && imageRoot.Master.Picture != null && imageRoot.Master.Picture.FrameArray != null && imageRoot.Master.Picture.FrameArray.Length > 0)
{
Json.FrameItem frameItem = imageRoot.Master.Picture.FrameArray[0];
if (frameItem != null && frameItem.Frame != null && frameItem.Frame.Metadata != null && frameItem.Frame.Metadata.Devices != null && frameItem.Frame.Metadata.Devices.Lens != null)
{
string imageFileName = file.Name.Substring(0, file.Name.Length - 3) + "RAW";
FlatFieldItem item;
if (!items.TryGetValue(imageFileName, out item))
{
items[imageFileName] = item = new FlatFieldItem();
}
item.FrameImage = frameItem.Frame.Metadata.Image;
item.ZoomStep = (int)frameItem.Frame.Metadata.Devices.Lens.ZoomStep;
item.FocusStep = (int)frameItem.Frame.Metadata.Devices.Lens.FocusStep;
if (_serialNumber == null && frameItem.Frame.PrivateMetadata != null && frameItem.Frame.PrivateMetadata.Camera != null)
{
_serialNumber = frameItem.Frame.PrivateMetadata.Camera.SerialNumber;
}
}
}
}
}
else if (file.Name.EndsWith(".RAW", StringComparison.OrdinalIgnoreCase))
{
FlatFieldItem item;
if (!items.TryGetValue(file.Name, out item))
{
items[file.Name] = item = new FlatFieldItem();
}
item.DataReference = file.DataRef;
item.PackageReference = packageReference;
}
}
}
}
RawPackageAccessor raw = package.AccessRaw();
if (raw.HasContent)
{
foreach (Json.FrameReferences frame in raw.GetFrames())
{
if (frame.Metadata != null && frame.ImageRef != null)
{
FlatFieldItem item = new FlatFieldItem();
item.PackageReference = packageReference;
item.DataReference = frame.ImageRef;
item.FrameImage = frame.Metadata.Image;
if (frame.Metadata.Devices != null && frame.Metadata.Devices.Lens != null)
{
item.ZoomStep = (int)frame.Metadata.Devices.Lens.ZoomStep;
item.FocusStep = (int)frame.Metadata.Devices.Lens.FocusStep;
items[frame.ImageRef] = item;
}
}
}
}
return(master.NextFile);
}
