Asset Catalog Format Reference: LSR Image Stack Layer

A layer in an image stack.

Extension

.imagestacklayer

Folder Contents

A Contents.json file and an image set for the layer.

Contents.json File

Metadata and optional size and centering information for the layer (Table 34-1).

**Table 34-1**LSR image stack layer tags
Key	Type	Description
`info`	Dictionary	Metadata for the author and format version of the image stack layer.
`author`	String	Use your bundle ID. LSR files generated by Xcode use `xcode`.
`version`	Number	The format version of the LSR file. Use `1`.
`properties`	Dictionary	Properties for an image stack layer.
`frame-size`	Dictionary	The size for the image stack layer. Defaults to the size of the image stack canvas if the tag is not included.
`width`	Number	The width of the image stack layer in pixels.
`height`	Number	The height of the image stack layer in pixels.
`frame-center`	Dictionary	The position of the center of the image stack layer image on the image stack canvas. Defaults to the center of the image stack canvas if the tag is not included. The coordinate is in pixels from the top-left edge of the image stack canvas.
`x`	Number	The horizontal position of the center of the image stack layer.
`y`	Number	The vertical position of the image stack layer.

Sample Contents.json Files

Simple Image Stack Layer

        {
   "info" : {
      "author" : "com.developerName",
      "version" : 1
   },
}

      

Image Stack Layer with Size and Center

        {
   "info" : {
      "author" : "com.developerName",
      "version" : 1
   },
   "properties" : {
      "frame-size : {
         "width" : 364,
         "height" : 548
      },
      "frame-center : {
         "x" : 1500,
         "y" : 700
      }
   }
}

      