kCGPathFillStroke

kCGPathFillStroke is a constant used within the Core Graphics framework of Apple's development environment, primarily in the context of Quartz 2D drawing operations. It specifies a drawing mode that combines filling and stroking a path in a single operation. When used, the path is first filled according to the current fill color and rule, then stroked along its path with the current stroke color and width.

In practical terms, kCGPathFillStroke is employed as a parameter in functions such as CGContextDrawPath, which renders vector graphics onto a drawing context. By setting the drawing mode to kCGPathFillStroke, developers can efficiently produce shapes that are both filled and outlined, without needing separate fill and stroke calls.

The constant is part of the CGPathDrawingMode enumeration, which includes other modes such as kCGPathFill, kCGPathEOFill (even-odd fill), and kCGPathStroke. Its primary advantage is convenience, enabling complex visual effects with a single, integrated operation.

Since it operates within the broader Core Graphics API, kCGPathFillStroke plays a vital role in 2D graphics rendering for applications on iOS, macOS, and other Apple platforms. Utilizing this mode allows for precise control over the aesthetic of vector shapes, combining fill and stroke styles seamlessly.

Overall, kCGPathFillStroke is a fundamental tool for graphics programmers seeking to efficiently render richly styled vector shapes with both interior fill and outline strokes in their applications.