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@IBDesignable class GridView: UIView { | |
var numberOfColumns: Int = 2 | |
var numberOfRows: Int = 2 | |
var lineWidth: CGFloat = 1.0 | |
var lineColor: UIColor = UIColor.white | |
override func draw(_ rect: CGRect) { | |
if let context = UIGraphicsGetCurrentContext() { | |
context.setLineWidth(lineWidth) | |
context.setStrokeColor(UIColor.white.cgColor) | |
let columnWidth = Int(rect.width) / (numberOfColumns + 1) | |
for i in 1...numberOfColumns { | |
var startPoint = CGPoint.zero | |
var endPoint = CGPoint.zero | |
startPoint.x = CGFloat(columnWidth * i) | |
startPoint.y = 0.0 | |
endPoint.x = startPoint.x | |
endPoint.y = frame.size.height | |
context.move(to: CGPoint(x: startPoint.x, y: startPoint.y)) | |
context.addLine(to: CGPoint(x: endPoint.x, y: endPoint.y)) | |
context.strokePath() | |
} | |
let rowHeight = Int(rect.height) / (numberOfRows + 1) | |
for j in 1...numberOfRows { | |
var startPoint = CGPoint.zero | |
var endPoint = CGPoint.zero | |
startPoint.x = 0.0 | |
startPoint.y = CGFloat(rowHeight * j) | |
endPoint.x = frame.size.width | |
endPoint.y = startPoint.y | |
context.move(to: CGPoint(x: startPoint.x, y: startPoint.y)) | |
context.addLine(to: CGPoint(x: endPoint.x, y: endPoint.y)) | |
context.strokePath() | |
} | |
} | |
} | |
} |
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