Unit 'agraphics'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#aros]

ClearRectRegion

Perform 2d CLEAR operation of rectangle with region, leaving result in region.

Declaration

Source position: agraphics.pas line 2129

function ClearRectRegion(

Reg: PRegion;

):LongBool;

`Reg`		A pointer to Region structure
`Rect`		A pointer to Rectangle structure

Returns True if successful operation, returns False if ran out of memory

Clip away any portion of the region that exists inside of the rectangle. Leave the result in region.

AndRectRegion		Perform 2d AND operation of rectangle with region, leaving result in region.
AndRegionRegion		Perform 2d AND operation of one region with second region, leaving result in second region.
OrRectRegion		Perform 2d OR operation of rectangle with region, leaving result in region.
XorRectRegion		Perform 2d XOR operation of rectangle with region, leaving result in region
ClearRectRegionND		Perform 2d CLEAR operation of rectangle with region, leaving result in region.
NewRegion		Allocates memory for a new Region and initializes it to an empty Region.