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The constants of DocReaderFrame enumeration identify the frame type.

const DocReaderFrame = {
    MAX: "max",
    NONE: "none",
    DOCUMENT: "document",
Constant Description
MAX Full frame
SCENARIO_DEFAULT Size of the frame depends on the scenario, i.e. default values are used
NONE No frame
DOCUMENT Size of the frame corresponds to the ID-3 format in the portrait mode and to the ID-1 in the landscape mode