Represents one of the four blocks of horizontal or vertical line.
| Enumerator |
|---|
| FrontPorch | Horizontal line sequence is: FRONTPORCH -> SYNC -> BACKPORCH -> VISIBLEAREA
|
| Sync | Horizontal line sequence is: SYNC -> BACKPORCH -> VISIBLEAREA -> FRONTPORCH
|
| BackPorch | Horizontal line sequence is: BACKPORCH -> VISIBLEAREA -> FRONTPORCH -> SYNC
|
| VisibleArea | Horizontal line sequence is: VISIBLEAREA -> FRONTPORCH -> SYNC -> BACKPORCH
|