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feat(ios,v10): add new Image component, to generate mapbox images usi…
…ng react-native
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| <!-- This file was autogenerated from Image.tsx do not modify --> | ||
| # <MapboxGL.Image /> | ||
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| ## props | ||
| | Prop | Type | Default | Required | Description | | ||
| | ---- | :-- | :----- | :------ | :---------- | | ||
| | name | `string` | `none` | `true` | Image name | | ||
| | sdf | `boolean` | `none` | `false` | Make image an sdf optional - see [SDF icons](https://docs.mapbox.com/help/troubleshooting/using-recolorable-images-in-mapbox-maps/) | | ||
| | stretchX | `Array` | `none` | `false` | stretch along x axis - optional | | ||
| | stretchY | `Array` | `none` | `false` | stretch along y axis - optional | | ||
| | children | `ReactElement` | `none` | `true` | Single react native view generating the image | | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| import MapboxMaps | ||
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| class RCTMGLImage : UIView { | ||
| @objc | ||
| var name: String = "" | ||
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| var image: UIImage? = nil | ||
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| var sdf: Bool? = nil | ||
| var stretchX: [[NSNumber]] = [] | ||
| var stretchY: [[NSNumber]] = [] | ||
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| weak var images: RCTMGLImageSetter? = nil { | ||
| didSet { | ||
| DispatchQueue.main.async { self.setImage() } | ||
| } | ||
| } | ||
| weak var bridge : RCTBridge! = nil | ||
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| var reactSubviews : [UIView] = [] | ||
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| // MARK: - subview management | ||
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| @objc open override func insertReactSubview(_ subview: UIView!, at atIndex: Int) { | ||
| reactSubviews.insert(subview, at: atIndex) | ||
| if reactSubviews.count > 1 { | ||
| Logger.log(level: .error, message: "Image supports max 1 subview") | ||
| } | ||
| if image == nil { | ||
| DispatchQueue.main.asyncAfter(deadline: .now() + .microseconds(10)) { | ||
| self.setImage() | ||
| } | ||
| } | ||
| } | ||
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| @objc | ||
| open override func removeReactSubview(_ subview: UIView!) { | ||
| reactSubviews.removeAll(where: { $0 == subview }) | ||
| } | ||
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| // MARK: - view shnapshot | ||
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| func changeImage(_ image: UIImage, name: String) { | ||
| if let images = images { | ||
| let _ = images.addImage(name: name, image: image, sdf: sdf, stretchX:stretchX, stretchY:stretchY, log: "RCTMGLImage.addImage") | ||
| } | ||
| } | ||
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| func setImage() { | ||
| if let image = _createViewSnapshot() { | ||
| changeImage(image, name: name) | ||
| } | ||
| } | ||
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| func _createViewSnapshot() -> UIImage? { | ||
| let useDummyImage = false | ||
| if useDummyImage { | ||
| let size = CGSize(width: 32, height: 32) | ||
| let renderer = UIGraphicsImageRenderer(size: size) | ||
| let image = renderer.image { context in | ||
| UIColor.darkGray.setStroke() | ||
| context.stroke(CGRect(x: 0, y:0, width: 32, height: 32)) | ||
| UIColor(red: 158/255, green: 215/255, blue: 245/255, alpha: 1).setFill() | ||
| context.fill(CGRect(x: 2, y: 2, width: 30, height: 30)) | ||
| } | ||
| return image | ||
| } | ||
| guard reactSubviews.count > 0 else { | ||
| return nil | ||
| } | ||
| return _createViewSnapshot(view: reactSubviews[0]) | ||
| } | ||
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| func _createViewSnapshot(view: UIView) -> UIImage? { | ||
| guard view.bounds.size.width > 0 && view.bounds.size.height > 0 else { | ||
| return nil | ||
| } | ||
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| let roundUp = 4 | ||
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| let adjustedSize = CGSize( | ||
| width: ((Int(view.bounds.size.width)+roundUp-1)/roundUp)*roundUp, | ||
| height: ((Int(view.bounds.size.height)+roundUp-1)/roundUp)*roundUp | ||
| ) | ||
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| let renderer = UIGraphicsImageRenderer(size: adjustedSize) | ||
| let image = renderer.image { context in | ||
| view.layer.render(in: context.cgContext) | ||
| } | ||
| return image | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #import <React/RCTBridgeModule.h> | ||
| #import <React/RCTViewManager.h> | ||
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| @interface RCT_EXTERN_MODULE(RCTMGLImageManager, RCTViewManager) | ||
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| RCT_EXPORT_VIEW_PROPERTY(name, NSString) | ||
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| @end | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,14 @@ | ||
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| @objc(RCTMGLImageManager) | ||
| class RCTMGLImageManager : RCTViewManager { | ||
| @objc | ||
| override static func requiresMainQueueSetup() -> Bool { | ||
| return true | ||
| } | ||
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| override func view() -> UIView! { | ||
| let layer = RCTMGLImage() | ||
| layer.bridge = self.bridge | ||
| return layer | ||
| } | ||
| } |
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