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SkipEmptySurfaceRegion

Header:	AVL.h
Namespace:	avl

If the input surface contains at least one valid point in a given region, then the region is copied to the output; otherwise Nil is returned.

Syntax

void avl::SkipEmptySurfaceRegion
(
	const avl::Surface& inSurface,
	const avl::Region& inRegion,
	atl::Conditional<avl::Region>& outNotEmptySurfaceRegion,
	bool& outIsNotEmpty
)

Parameters

Name	Type	Description
inSurface	const Surface&
inRegion	const Region&	Input region
outNotEmptySurfaceRegion	Conditional<Region>&
outIsNotEmpty	bool&

Errors

List of possible exceptions:

Error type	Description
DomainError	Input region frame exceeds the input surface frame in SkipEmptySurfaceRegion.