Qpdf.Dimensions (qpdf v0.2.0)

Parses page geometry, bounding boxes, dimensions, orientation, and standard paper sizes from qpdf JSON structural metadata.

Paper size matching allows a 0.5% deviation on each dimension. Cyclic page trees or inheritance chains of more than 256 objects return an error.

Summary

Types

orientation()

page_dim()

Functions

parse(data, page_spec)

Parses page dimensions from decoded qpdf v1 JSON data.

Types

orientation()

@type orientation() :: :portrait | :landscape | :square

page_dim()

@type page_dim() :: %{
  page: pos_integer(),
  width: float(),
  height: float(),
  rotation: non_neg_integer(),
  orientation: orientation(),
  paper_size: String.t() | nil,
  box: %{media: [float()], crop: [float()]}
}

Functions

parse(data, page_spec)

@spec parse(map(), :all | integer() | Range.t() | list()) ::
  {:ok, page_dim() | [page_dim()]} | {:error, any()}

Parses page dimensions from decoded qpdf v1 JSON data.