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* add support custom CIContextFactory.use it fix crash in iOS8 #46

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* add support custom CIContextFactory.use it fix crash in iOS8 #46

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8 changes: 7 additions & 1 deletion QRCode/CIImageExtension.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,13 @@ internal extension CIImage {
///
/// - returns: an non-interpolated UIImage
internal func nonInterpolatedImage(withScale scale: Scale = Scale(dx: 1, dy: 1)) -> UIImage? {
guard let cgImage = CIContext(options: nil).createCGImage(self, from: self.extent) else { return nil }
var ciContext:CIContext?
if QRCode.CIContextFactory != nil {
ciContext = QRCode.CIContextFactory!()
}else{
ciContext = CIContext(options: nil)
}
guard let cgImage = ciContext?.createCGImage(self, from: self.extent) else { return nil }
let size = CGSize(width: self.extent.size.width * scale.dx, height: self.extent.size.height * scale.dy)

UIGraphicsBeginImageContextWithOptions(size, true, 0)
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2 changes: 2 additions & 0 deletions QRCode/QRCode.swift
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Expand Up @@ -13,6 +13,8 @@ public typealias 🔳 = QRCode
/// QRCode generator
public struct QRCode {

public static var CIContextFactory:(()->CIContext)?

/**
The level of error correction.

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