# DrawBox proc (icon)

Source: https://ref.dm-lang.org/icon/proc/DrawBox

### Format
> `DrawBox(rgb,x1,y1,x2=x1,y2=y1)`

### Args
- `rgb`: `rgb(red,green,blue)` or `null`
- `x1,y1`: Coordinates of one corner of the rectangle (1,1 is the lower left)
- `x2,y2`: (optional) Coordinates of the other corner


A rectangle (filled) of the given color is drawn over every frame in the icon. If x2 and/or y2 are omitted, a line or a single pixel is drawn. To draw a transparent box instead of an opaque color, use null as the color.

### See also
- [icon](https://ref.dm-lang.org/icon/index.md)
- [procs (icon)](https://ref.dm-lang.org/icon/proc/index.md)
- [rgb proc](https://ref.dm-lang.org/proc/rgb.md)