OPF
SpecDefinition referenceView source

Image Border

Solid line along the image frame's shape, centered on the outline with a miter join, like a native picture line. A thick dark border on a rounded portrait frame gives a device bezel.

Metadata

Definition
#/$defs/ImageBorder
Form
object
Source
spec/schemas/opf.schema.json

Field index

FieldTypeReq.Description
colorref:ColorRefyesLine color: a hex color, a color-scheme slot or role name, or a 'var:<id>' variable reference.
color · Named choices (see schema for other values and constraints)
"accent1""accent2""accent3""accent4""accent5""accent6""dark1""dark2""light1""light2""hyperlink""followedHyperlink""primary""secondary""accent""background""surface""surfaceAlt""text""textSecondary"
widthnumberyesLine width in reference pixels at a 720-pixel short edge. 0 removes the line.

color

typeref:ColorRefrequiredyesdefault—

Line color: a hex color, a color-scheme slot or role name, or a 'var:<id>' variable reference.

color · Named choices (see schema for other values and constraints)
"accent1""accent2""accent3""accent4""accent5""accent6""dark1""dark2""light1""light2""hyperlink""followedHyperlink""primary""secondary""accent""background""surface""surfaceAlt""text""textSecondary"

width

typenumberrequiredyesdefault—

Line width in reference pixels at a 720-pixel short edge. 0 removes the line.

Complete definition constraints
Exact schema constraints
{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "color",
    "width"
  ],
  "description": "Solid line along the image frame's shape, centered on the outline with a miter join, like a native picture line. A thick dark border on a rounded portrait frame gives a device bezel.",
  "properties": {
    "color": {
      "$ref": "#/$defs/ColorRef",
      "description": "Line color: a hex color, a color-scheme slot or role name, or a 'var:<id>' variable reference."
    },
    "width": {
      "type": "number",
      "minimum": 0,
      "maximum": 64,
      "description": "Line width in reference pixels at a 720-pixel short edge. 0 removes the line."
    }
  }
}