SwiftUI SwiftUI Drawing and Graphics

Question 1

Which protocol do you implement to create a custom SwiftUI shape?

Accepted Answer

Shape

Answer

Drawable

Answer

Path

Answer

CustomShape

Question 2

What type is used to construct a custom drawing path in SwiftUI's Shape protocol?

Accepted Answer

Path

Answer

CGPath

Answer

BezierPath

Answer

UIBezierPath

Question 3

Which modifier fills a SwiftUI Shape with a color?

Accepted Answer

Both B and C work on Shape

Answer

.backgroundColor()

Answer

.foregroundColor()

Answer

.fill()

Question 4

How do you draw only the outline of a SwiftUI Shape?

Accepted Answer

.stroke()

Answer

.border()

Answer

.outline()

Answer

.path()

Question 5

Which SwiftUI type provides a canvas for immediate-mode drawing similar to Core Graphics?

Accepted Answer

Canvas

Answer

DrawingView

Answer

GraphicsContext

Answer

CoreGraphicsView

Question 6

What does the `.trim(from:to:)` modifier do on a SwiftUI Shape?

Accepted Answer

Draws only a fraction of the shape's path between two normalized positions

Answer

Clips the shape to a rectangle

Answer

Trims whitespace padding

Answer

Removes corners from the shape