Back to Adaptive Vision Library Lite websiteYou are here:
Start »
Geometry 2D Spatial Transforms »
RescaleCircle
Header: | AVL.h |
Namespace: | avl |
Changes radius of a circle and translates its center in relation to a reference point.
Syntax
void avl::RescaleCircle
(
const avl::Circle2D& inCircle,
atl::Optional<const avl::Point2D&> inReferencePoint,
float inScale,
bool inInverse,
avl::Circle2D& outCircle
)
Parameters
|
Name |
Type |
Default |
Description |
|
inCircle |
const Circle2D& |
|
|
|
inReferencePoint |
Optional<const Point2D&> |
NIL |
The point to which the distance of the circle center is changed (no change by default) |
|
inScale |
float |
1.0f |
Scaling factor |
|
inInverse |
bool |
|
Switches to the inverse operation |
|
outCircle |
Circle2D& |
|
|
Examples
RescaleCircle performed on the sample circle, inReferencePoint = auto, inScale = 0.5 and inInverse = false.
Errors
List of possible exceptions:
Error type |
Description |
DomainError |
Scale cannot be zero in an inverse rescaling of a circle in RescaleCircle. |