Merge pull request #49 from SDWebImage/improve_empty_view

Little improvement to WebImage to use EmptyView instead of EmptyImage when no placeholder available

Author: dreampiggy

Example/SDWebImageSwiftUIDemo/ContentView.swift

@@ -31,6 +31,7 @@ struct ContentView: View {
     "https://nokiatech.github.io/heif/content/image_sequences/starfield_animation.heic",
     "https://www.sample-videos.com/img/Sample-png-image-1mb.png",
     "https://nr-platform.s3.amazonaws.com/uploads/platform/published_extension/branding_icon/275/AmazonS3.png",
+    "https://raw.githubusercontent.com/ibireme/YYImage/master/Demo/YYImageDemo/mew_baseline.jpg",
     "http://via.placeholder.com/200x200.jpg"]
     @State var animated: Bool = false // You can change between WebImage/AnimatedImage
 

README.md

@@ -78,7 +78,7 @@ let package = Package(
 ### Using `WebImage` to load network image
 
 - [x] Supports placeholder and detail options control for image loading as SDWebImage
-- [x] Supports progressive image loading
+- [x] Supports progressive image loading (like baseline)
 - [x] Supports success/failure/progress changes event for custom handling
 - [x] Supports indicator with activity/progress indicator and customization
 - [x] Supports built-in animation and transition, powered by SwiftUI
@@ -108,17 +108,17 @@ Note: This `WebImage` using `Image` for internal implementation, which is the be
 ### Using `AnimatedImage` to play animation
 
 - [x] Supports network image as well as local data and bundle image
-- [x] Supports animated progressive image loading
+- [x] Supports animated progressive image loading (like web browser)
 - [x] Supports animation control using the SwiftUI Binding
 - [x] Supports indicator and transition, powered by SDWebImage and Core Animation
-- [x] Supports advanced control like loop count, incremental load, buffer size
+- [x] Supports advanced control like loop count, playback rate, buffer size, runloop mode, etc
 - [x] Supports coordinate with native UIKit/AppKit/WatchKit view
 
 ```swift
 var body: some View {
     Group {
         // Network
-        AnimatedImage(url: URL(string: "https://raw.githubusercontent.com/liyong03/YLGIFImage/master/YLGIFImageDemo/YLGIFImageDemo/joy.gif"))
+        AnimatedImage(url: URL(string: "https://raw.githubusercontent.com/liyong03/YLGIFImage/master/YLGIFImageDemo/YLGIFImageDemo/joy.gif"), options: [.progressiveLoad]) // Progressive Load
         .onFailure { error in
             // Error
         }

SDWebImageSwiftUI/Classes/WebImage.swift

@@ -10,8 +10,6 @@ import SwiftUI
 import SDWebImage
 
 public struct WebImage : View {
-    static var emptyImage = PlatformImage()
-    
     var url: URL?
     var options: SDWebImageOptions
     var context: [SDWebImageContextOption : Any]?
@@ -49,7 +47,7 @@ public struct WebImage : View {
                     if placeholder != nil {
                         placeholder
                     } else {
-                        Image(platformImage: WebImage.emptyImage)
+                        EmptyView()
                     }
                 }
                 .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)

SDWebImageSwiftUI/Module/SDWebImageSwiftUI.h

@@ -7,8 +7,6 @@
  */
 
 #import <Foundation/Foundation.h>
-#import <SDWebImageSwiftUI/SDAnimatedImageInterface.h>
-#import <SDWebImageSwiftUI/SDAnimatedImageInterfaceWrapper.h>
 
 //! Project version number for SDWebImageSwiftUI.
 FOUNDATION_EXPORT double SDWebImageSwiftUIVersionNumber;
@@ -17,5 +15,5 @@ FOUNDATION_EXPORT double SDWebImageSwiftUIVersionNumber;
 FOUNDATION_EXPORT const unsigned char SDWebImageSwiftUIVersionString[];
 
 // In this header, you should import all the public headers of your framework using statements like #import <SDWebImageSwiftUI/PublicHeader.h>
-
-
+#import <SDWebImageSwiftUI/SDAnimatedImageInterface.h>
+#import <SDWebImageSwiftUI/SDAnimatedImageInterfaceWrapper.h>