Function

CGPathIsEmpty

Indicates whether or not a graphics path is empty.

Declaration

bool CGPathIsEmpty(CGPathRef path);

Parameters

path

The path to evaluate.

Return Value

A Boolean value that indicates whether the specified path is empty.

Discussion

An empty path contains no elements.

See Also

Getting Information about Core Graphics Paths

CGPathEqualToPath

Indicates whether two graphics paths are equivalent.

CGPathGetBoundingBox

Returns the bounding box containing all points in a graphics path.

CGPathGetPathBoundingBox

Returns the bounding box of a graphics path.

CGPathGetCurrentPoint

Returns the current point in a graphics path.

CGPathGetTypeID

Returns the Core Foundation type identifier for Core Graphics paths.

CGPathIsRect

Indicates whether or not a graphics path represents a rectangle.

CGPathContainsPoint

Checks whether a point is contained in a graphics path.