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RotateRegion

Header:	FIL.h
Namespace:	fil

Rotates a region around a point.

Syntax

void fil::RotateRegion
(
	const fil::Region& inRegion,
	ftl::Optional<const fil::Point2D&> inCenter,
	float inAngle,
	const bool inInverse,
	ftl::Optional<int> inFrameWidth,
	ftl::Optional<int> inFrameHeight,
	fil::Region& outRegion
)

Parameters

Name	Type	Range	Default	Description
inRegion	const Region&			Input region
inCenter	Optional<const Point2D&>		NIL	Center of rotation
inAngle	float			Clockwise rotation angle
inInverse	const bool			Switches to counter-clockwise rotation
inFrameWidth	Optional<int>	0 - 65535	NIL	Output region frame width
inFrameHeight	Optional<int>	0 - 65535	NIL	Output region frame height
outRegion	Region&			Output region

Description

The operation rotates a region by the inAngle degrees around inCenter point. If the inCenter is not provided, the rotation is conducted around the mass center of the region.

Examples

RotateRegion performed on the sample region with inAngle set to 45.

Errors

List of possible exceptions: