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# PDFDisplayBox

The following box types may be used with `PDFPage` drawing and bounds-setting methods. See the Adobe PDF Specification for more information on box types, units, and coordinate systems.

```
enum PDFDisplayBox
```

## Topics

### Constants

[`kPDFDisplayBoxMediaBox`](/documentation/PDFKit/PDFDisplayBox/mediaBox)

A rectangle defining the boundaries of the physical medium for display or printing, expressed in default user-space units.

[`kPDFDisplayBoxCropBox`](/documentation/PDFKit/PDFDisplayBox/cropBox)

A rectangle defining the boundaries of the visible region , expressed in default user-space units. Default value equal to `kPDFDisplayBoxMediaBox`.

[`kPDFDisplayBoxBleedBox`](/documentation/PDFKit/PDFDisplayBox/bleedBox)

A rectangle defining the boundaries of the clip region for the page contents in a production environment. Default value equal to `kPDFDisplayBoxCropBox`.

[`kPDFDisplayBoxTrimBox`](/documentation/PDFKit/PDFDisplayBox/trimBox)

A rectangle defining the intended boundaries of the finished page. Default value equal to `kPDFDisplayBoxCropBox`.

[`kPDFDisplayBoxArtBox`](/documentation/PDFKit/PDFDisplayBox/artBox)

A rectangle defining the boundaries of the page’s meaningful content including surrounding white space intended for display. Default value equal to `kPDFDisplayBoxCropBox`.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

---

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