XIntersectRegion
NAMESYNTAX
ARGUMENTS
DESCRIPTION
SEE ALSO
NAME
XIntersectRegion, XUnionRegion, XUnionRectWithRegion, XSubtractRegion, XXorRegion, XOffsetRegion, XShrinkRegion − region arithmetic
SYNTAX
|
int XIntersectRegion(Region sra, Region srb, Region dr_return); | |
|
int XUnionRegion(Region sra, Region srb, Region dr_return); | |
|
int XUnionRectWithRegion(XRectangle *rectangle, Region src_region, Region dest_region_return); | |
|
int XSubtractRegion(Region sra, Region srb, Region dr_return); | |
|
int XXorRegion(Region sra, Region srb, Region dr_return); | |
|
int XOffsetRegion(Region r, int dx, int dy); | |
|
int XShrinkRegion(Region r, int dx, int dy); |
ARGUMENTS
dest_region_return
Returns the destination region.
|
dr_return |
Returns the result of the computation. ds Dy move or shrink | ||
|
dx |
|||
|
dy |
Specify the x and y coordinates, which define the amount you want to the specified region. | ||
|
r |
Specifies the region. | ||
|
rectangle |
Specifies the rectangle. | ||
|
sra |
|||
|
srb |
Specify the two regions with which you want to perform the computation. |
src_region
Specifies the source region to be used.
DESCRIPTION
The XIntersectRegion function computes the intersection of two regions.
The XUnionRegion function computes the union of two regions.
The XUnionRectWithRegion function updates the destination region from a union of the specified rectangle and the specified source region.
The XSubtractRegion function subtracts srb from sra and stores the results in dr_return.
The XXorRegion function calculates the difference between the union and intersection of two regions.
The XOffsetRegion function moves the specified region by a specified amount.
The XShrinkRegion function reduces the specified region by a specified amount. Positive values shrink the size of the region, and negative values expand the region.
SEE ALSO
XCreateRegion(3),
XDrawRectangle(3), XEmptyRegion(3)
Xlib − C Language X Interface
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