/// <summary>
/// Initializes a new instance of the <see cref="ImageCollection"/> class with an existing <see cref="Json.LytroRefocusStack"/> as storage.
/// </summary>
/// <param name="stack">A <see cref="Json.LytroRefocusStack"/> to use as a storage for the collection.</param>
public ImageCollection(Json.LytroRefocusStack stack)
{
_stack = stack;
if (_stack.ImageArray == null)
{
_stack.ImageArray = new Json.RefocusImageItem[0];
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RefocusStackAcceleration"/> class with an existing <see cref="Json.LytroRefocusStack"/> storage.
/// </summary>
/// <param name="stack">A <see cref="Json.LytroRefocusStack"/> to use as a storage for the parallax.</param>
public RefocusStackAcceleration(Json.LytroRefocusStack stack)
{
if (stack == null)
{
throw new ArgumentNullException("stack");
}
JsonRefocusStack = stack;
}
/// <summary>
/// Initializes a new instance of the <see cref="BlockImageCollection"/> class with an existing <see cref="Json.LytroRefocusStack"/> as storage.
/// </summary>
/// <param name="stack">A <see cref="Json.LytroRefocusStack"/> to use as a storage for the collection.</param>
public BlockImageCollection(Json.LytroRefocusStack stack)
{
_stack = stack;
if (_stack.BlockOfImages == null)
{
_stack.BlockOfImages = new Json.BlockOfRefocusImages();
}
if (_stack.BlockOfImages.MetadataArray == null)
{
_stack.BlockOfImages.MetadataArray = new Json.BlockRefocusMetadata[0];
}
}
private void LoadAcceleration(Json.AccelerationItem accelerationItem)
{
if (accelerationItem == null)
{
return;
}
switch (accelerationItem.Type)
{
case Json.LytroRefocusStack.Key:
_refocusStack = accelerationItem.VendorContent as Json.LytroRefocusStack;
break;
case Json.LytroEdofParallax.Key:
_parallaxStack = accelerationItem.VendorContent as Json.LytroEdofParallax;
break;
}
}
/// <summary>
/// When overriden in derived class, initializes the accessor and returns whether any content is available.
/// </summary>
/// <returns>true if the package contains any stacks; false otherwise.</returns>
protected override bool Initialize()
{
if (Metadata == null || Metadata.Picture == null || Metadata.Picture.AccelerationArray == null)
{
return(false);
}
_refocusStack = null;
_parallaxStack = null;
Json.AccelerationItem[] accelerationArray = Metadata.Picture.AccelerationArray;
for (int i = 0; i < accelerationArray.Length; i++)
{
LoadAcceleration(accelerationArray[i]);
}
return(_refocusStack != null || _parallaxStack != null);
}
/// <summary>
/// Initializes a new instance of the <see cref="RefocusStackAcceleration"/> class.
/// </summary>
public RefocusStackAcceleration()
{
JsonRefocusStack = new Json.LytroRefocusStack();
}
