Introduction

info

The unit of all coordinates, lengths, and sizes are in millimeters.

A label is a JSON object with the following mandatory properties:

Property	Type	Description
format	number	The format of labels conforming the this specification must be 3.
width	number	Width of the label. A width of zero means that it will be automatically calculated.
height	number	Height of the label. A height of zero means that it will be automatically calculated.
objs	array of label objects	See below for description.

The following optional properties are also available:

Property	Type	Description
bgColor	string	Label background color.
printDelay	number	Print delay override in millimeters.
margin	number	Deprecated. Use printDelay instead.
hdpi	number	Horizontal resolition setting override (in dots per inch).
vdpi	number	Vertical resolition setting override (in dots per inch).
vOffset	number	Vertical offset setting override. A positive value moves the label up.
rotation	number	Rotation settings override. If set, must be one of NONE, CW90 for 90° clockwise rotation, CW180 for 180° rotation, or CCW90 for 90° counterclockwise rotation.
stretch	number	Stretch setting override, where a value of 1 means no stretch.

Example

{
    "format": 3,
    "width": 50.0,
    "height": 108.37,
    "objs": [
        {
            "type": "Rect",
            "x": 10.0,
            "y": 10.0,
            "height": 20.0,
            "width": 20.0,
            "fillColor": "black"
        }
    ]
}