Function

CGPathApply

For each element in a graphics path, calls a custom applier function.

Declaration

void CGPathApply(CGPathRef path, void *info, CGPathApplierFunction function);

Parameters

path

The path to which the function will be applied.

info

A pointer to the user data that Core Graphics will pass to the function being applied, or NULL.

function

A pointer to the function to apply. See CGPathApplierFunction for more information.

Discussion

For each element in the specified path, Core Graphics calls the applier function, which can examine (but not modify) the element.

See Also

Modifying Core Graphics Paths

CGPathAddArc

Appends an arc to a mutable graphics path, possibly preceded by a straight line segment.

CGPathAddRelativeArc

Appends an arc to a mutable graphics path, possibly preceded by a straight line segment.

CGPathAddArcToPoint

Appends an arc to a mutable graphics path, possibly preceded by a straight line segment.

CGPathAddCurveToPoint

Appends a cubic Bézier curve to a mutable graphics path.

CGPathAddLines

Appends an array of new line segments to a mutable graphics path.

CGPathAddLineToPoint

Appends a line segment to a mutable graphics path.

CGPathAddPath

Appends a path to onto a mutable graphics path.

CGPathAddQuadCurveToPoint

Appends a quadratic Bézier curve to a mutable graphics path.

CGPathAddRect

Appends a rectangle to a mutable graphics path.

CGPathAddRects

Appends an array of rectangles to a mutable graphics path.

CGPathAddRoundedRect

Appends a rounded rectangle to a mutable graphics path.

CGPathMoveToPoint

Starts a new subpath at a specified location in a mutable graphics path.

CGPathCloseSubpath

Closes and completes a subpath in a mutable graphics path.

CGPathAddEllipseInRect

Adds to a path an ellipse that fits inside a rectangle.

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