Merge pull request #2 from luckysmg/task/task_example_kotlin_swift

ReadME中添加swift示例代码
alibaba · May 31, 2022 · 96cb6d9 · 96cb6d9
2 parents 3ccae0e + 561fa38
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diff --git a/README.md b/README.md
@@ -91,6 +91,13 @@ PowerImage provides basic image types, including network, file, nativeAsset, and
     [[PowerImageLoader sharedInstance] registerImageLoader:[PowerImageFileImageLoader new] forType:kPowerImageImageTypeFile];
 ```
 
+```swift
+        PowerImageLoader.sharedInstance().register(PowerImageNetworkImageLoader.init(), forType: kPowerImageImageTypeNetwork)
+        PowerImageLoader.sharedInstance().register(PowerImageAssetsImageLoader.init(), forType: kPowerImageImageTypeNativeAsset)
+        PowerImageLoader.sharedInstance().register(PowerImageFlutterAssertImageLoader.init(), forType: kPowerImageImageTypeAsset)
+        PowerImageLoader.sharedInstance().register(PowerImageFileImageLoader.init(), forType: kPowerImageImageTypeFile)
+```
+
 
 The loader needs to follow the PowerImageLoaderProtocol protocol:
 
@@ -129,6 +136,38 @@ Network image loader example:
 
 }
 ```
+
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+        let reqSize:CGSize = requestConfig.originSize
+        let url = URL(string: requestConfig.srcString())
+        SDWebImageManager.shared.loadImage(with: url, progress: nil) { image, data, error, cacheType, finished, url in
+
+            if let image = image {
+                if (image.sd_isAnimated) {
+                    let frames:[SDImageFrame] = SDImageCoderHelper.frames(from: image)!
+                    if frames.count > 0 {
+                        var arr:[PowerImageFrame] = []
+                        for index in 0..<frames.count {
+                            let frame:SDImageFrame = frames[index]
+                            arr.append(PowerImageFrame(image: frame.image, duration: frame.duration))
+                        }
+                        let flutterImage = PowerFlutterMultiFrameImage(image: image, frames: arr)
+                        completedBlock(PowerImageResult.success(with: flutterImage))
+                        return
+                    }
+                }
+
+                completedBlock(PowerImageResult.success(with: image))
+
+            }else{
+                completedBlock(PowerImageResult.fail(withMessage: error?.localizedDescription ?? "PowerImageNetworkLoaderError!"))
+            }   
+       }
+}
+```
+
 native asset loader example:
 ```objectivec
 - (void)handleRequest:(PowerImageRequestConfig *)requestConfig completed:(PowerImageLoaderCompletionBlock)completedBlock {
@@ -141,6 +180,21 @@ native asset loader example:
 }
 ```
 
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+
+        let image = UIImage(named: requestConfig.srcString())
+
+        if let image = image {
+            completedBlock(PowerImageResult.success(with: image))
+        }else{
+            completedBlock(PowerImageResult.fail(withMessage: "PowerImageAssetsImageLoaderError!"))
+        }
+    }
+
+```
+
 flutter asset loader example:
 ```objectivec
 - (void)handleRequest:(PowerImageRequestConfig *)requestConfig completed:(PowerImageLoaderCompletionBlock)completedBlock {
@@ -185,6 +239,50 @@ flutter asset loader example:
 
 ```
 
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+        let image = self.flutterImage(requestConfig: requestConfig)
+        if let image = image {
+            completedBlock(PowerImageResult.success(with: image))
+        }else {
+            completedBlock(PowerImageResult.fail(withMessage: "PowerImageFlutterAssertImageLoaderError"))
+        }
+    }
+
+
+    private func flutterImage(requestConfig:PowerImageRequestConfig) -> UIImage? {
+
+        let name:String = requestConfig.srcString()!
+        let package:String? = requestConfig.src["package"] as? String
+        let fileName:String = NSString(string: name).lastPathComponent
+        let path:String = NSString(string: name).deletingLastPathComponent
+
+
+        let scaleArr:[Int] = (2...Int(UIScreen.main.scale)).reversed()
+
+        for scale in scaleArr {
+            let key:String = self.lookupKeyForAsset(asset: String(format: "%s/%d.0x/%s", path,scale,fileName), package: package)
+            let image = UIImage(named: key,in: Bundle.main,compatibleWith: nil)
+            if image != nil {
+                return image!
+            }
+        }
+
+        let key = self.lookupKeyForAsset(asset: name, package: package)
+        return UIImage(named: key,in: Bundle.main,compatibleWith: nil)
+    }
+
+    private func lookupKeyForAsset(asset:String,package:String?) -> String {
+        if let package = package, package != "" {
+            return FlutterDartProject.lookupKey(forAsset: asset,fromPackage: package)
+        }else{
+            return FlutterDartProject.lookupKey(forAsset: asset)
+        }
+    }
+
+```
+
 file loader example:
 ```objectivec
 - (void)handleRequest:(PowerImageRequestConfig *)requestConfig completed:(PowerImageLoaderCompletionBlock)completedBlock {
@@ -199,6 +297,21 @@ file loader example:
 }
 ```
 
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+
+        let image = UIImage(contentsOfFile: requestConfig.srcString())
+
+        if let image = image {
+            completedBlock(PowerImageResult.success(with: image))
+        }else{
+            completedBlock(PowerImageResult.fail(withMessage: "PowerImageFileImageLoaderError!"))
+        }
+    }
+
+```
+
 
 ### Android
 PowerImage provides basic image types, including network, file, nativeAsset, and flutter assets. Users need to customize their corresponding loaders.

diff --git a/README_CN.md b/README_CN.md
@@ -97,6 +97,14 @@ PowerImage 提供了基础的图片类型，包括网络图（network）、文
 ```
 
 
+```swift
+        PowerImageLoader.sharedInstance().register(PowerImageNetworkImageLoader.init(), forType: kPowerImageImageTypeNetwork)
+        PowerImageLoader.sharedInstance().register(PowerImageAssetsImageLoader.init(), forType: kPowerImageImageTypeNativeAsset)
+        PowerImageLoader.sharedInstance().register(PowerImageFlutterAssertImageLoader.init(), forType: kPowerImageImageTypeAsset)
+        PowerImageLoader.sharedInstance().register(PowerImageFileImageLoader.init(), forType: kPowerImageImageTypeFile)
+```
+
+
 loader 需要遵循 PowerImageLoaderProtocol 协议：
 
 ```objectivec
@@ -135,6 +143,38 @@ Network image loader example:
 }
 ```
 
+
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+        let reqSize:CGSize = requestConfig.originSize
+        let url = URL(string: requestConfig.srcString())
+        SDWebImageManager.shared.loadImage(with: url, progress: nil) { image, data, error, cacheType, finished, url in
+
+            if let image = image {
+                if (image.sd_isAnimated) {
+                    let frames:[SDImageFrame] = SDImageCoderHelper.frames(from: image)!
+                    if frames.count > 0 {
+                        var arr:[PowerImageFrame] = []
+                        for index in 0..<frames.count {
+                            let frame:SDImageFrame = frames[index]
+                            arr.append(PowerImageFrame(image: frame.image, duration: frame.duration))
+                        }
+                        let flutterImage = PowerFlutterMultiFrameImage(image: image, frames: arr)
+                        completedBlock(PowerImageResult.success(with: flutterImage))
+                        return
+                    }
+                }
+
+                completedBlock(PowerImageResult.success(with: image))
+
+            }else{
+                completedBlock(PowerImageResult.fail(withMessage: error?.localizedDescription ?? "PowerImageNetworkLoaderError!"))
+            }   
+       }
+}
+```
+
 native asset loader example:
 
 ```objectivec
@@ -148,6 +188,22 @@ native asset loader example:
 }
 ```
 
+
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+
+        let image = UIImage(named: requestConfig.srcString())
+
+        if let image = image {
+            completedBlock(PowerImageResult.success(with: image))
+        }else{
+            completedBlock(PowerImageResult.fail(withMessage: "PowerImageAssetsImageLoaderError!"))
+        }
+    }
+
+```
+
 flutter asset loader example:
 
 ```objectivec
@@ -193,6 +249,50 @@ flutter asset loader example:
 
 ```
 
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+        let image = self.flutterImage(requestConfig: requestConfig)
+        if let image = image {
+            completedBlock(PowerImageResult.success(with: image))
+        }else {
+            completedBlock(PowerImageResult.fail(withMessage: "PowerImageFlutterAssertImageLoaderError"))
+        }
+    }
+
+
+    private func flutterImage(requestConfig:PowerImageRequestConfig) -> UIImage? {
+
+        let name:String = requestConfig.srcString()!
+        let package:String? = requestConfig.src["package"] as? String
+        let fileName:String = NSString(string: name).lastPathComponent
+        let path:String = NSString(string: name).deletingLastPathComponent
+
+
+        let scaleArr:[Int] = (2...Int(UIScreen.main.scale)).reversed()
+
+        for scale in scaleArr {
+            let key:String = self.lookupKeyForAsset(asset: String(format: "%s/%d.0x/%s", path,scale,fileName), package: package)
+            let image = UIImage(named: key,in: Bundle.main,compatibleWith: nil)
+            if image != nil {
+                return image!
+            }
+        }
+
+        let key = self.lookupKeyForAsset(asset: name, package: package)
+        return UIImage(named: key,in: Bundle.main,compatibleWith: nil)
+    }
+
+    private func lookupKeyForAsset(asset:String,package:String?) -> String {
+        if let package = package, package != "" {
+            return FlutterDartProject.lookupKey(forAsset: asset,fromPackage: package)
+        }else{
+            return FlutterDartProject.lookupKey(forAsset: asset)
+        }
+    }
+
+```
+
 file loader example:
 
 ```objectivec
@@ -208,6 +308,21 @@ file loader example:
 }
 ```
 
+```swift
+
+func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
+
+        let image = UIImage(contentsOfFile: requestConfig.srcString())
+
+        if let image = image {
+            completedBlock(PowerImageResult.success(with: image))
+        }else{
+            completedBlock(PowerImageResult.fail(withMessage: "PowerImageFileImageLoaderError!"))
+        }
+    }
+
+```
+
 
 ### Android
 

diff --git a/example_kotlin_swift/ios/Runner/Loaders/PowerImageNetworkImageLoader.swift b/example_kotlin_swift/ios/Runner/Loaders/PowerImageNetworkImageLoader.swift
@@ -11,13 +11,8 @@ import SDWebImage
 class PowerImageNetworkImageLoader:NSObject,PowerImageLoaderProtocol{
 
     func handleRequest(_ requestConfig: PowerImageRequestConfig!, completed completedBlock: PowerImageLoaderCompletionBlock!) {
-
-
         let reqSize:CGSize = requestConfig.originSize
-
         let url = URL(string: requestConfig.srcString())
-
-
         SDWebImageManager.shared.loadImage(with: url, progress: nil) { image, data, error, cacheType, finished, url in
 
             if let image = image {
@@ -41,8 +36,5 @@ class PowerImageNetworkImageLoader:NSObject,PowerImageLoaderProtocol{
                 completedBlock(PowerImageResult.fail(withMessage: error?.localizedDescription ?? "PowerImageNetworkLoaderError!"))
             }   
         }
-
     }
-
-
 }