func rotate()

in application/PhotoToSketch/PhotoToSketch/EffectApplyScreen/EffectApplyViewController.swift [267:287]

• 13 lines of code
• 1 McCabe index (conditional complexity)

	func rotate(radians: Float) -> UIImage? {
		var newSize = CGRect(origin: CGPoint.zero, size: self.size).applying(CGAffineTransform(rotationAngle: CGFloat(radians))).size
		// Trim off the extremely small float value to prevent core graphics from rounding it up
		newSize.width = floor(newSize.width)
		newSize.height = floor(newSize.height)

		UIGraphicsBeginImageContextWithOptions(newSize, false, self.scale)
		let context = UIGraphicsGetCurrentContext()!

		// Move origin to middle
		context.translateBy(x: newSize.width/2, y: newSize.height/2)
		// Rotate around middle
		context.rotate(by: CGFloat(radians))
		// Draw the image at its center
		self.draw(in: CGRect(x: -self.size.width/2, y: -self.size.height/2, width: self.size.width, height: self.size.height))

		let newImage = UIGraphicsGetImageFromCurrentImageContext()
		UIGraphicsEndImageContext()

		return newImage
	}