Declaration ​
pascal
procedure Roll(Dx, Dy: Integer; FillBack: Boolean; FillColor: TColor32);Parameters ​
| Parameter | Type | Description |
|---|---|---|
Dx, Dy | Integer | Horizontal and vertical pixel scroll deltas. |
FillBack | Boolean | If True, fills exposed empty areas with FillColor. |
FillColor | TColor32 | Color used for filling exposed background areas. |
Description ​
Roll shifts bitmap pixel data by