Revert "Add notSkipAlphaChannel options."

onevcat · Oct 8, 2023 · 2d59a61 · 2d59a61
1 parent 0e8bd63
commit 2d59a61
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Showing 2 changed files with 4 additions and 16 deletions.
diff --git a/Source/APNGKit/APNGImageRenderer.swift b/Source/APNGKit/APNGImageRenderer.swift
@@ -24,27 +24,19 @@ class APNGImageRenderer {
     private var foundMultipleAnimationControl: Bool = false
     private var expectedSequenceNumber: Int = 0
 
-    init(decoder: APNGDecoder, shouldRenderWithAlpha: Bool = false) throws {
+    init(decoder: APNGDecoder) throws {
         self.decoder = decoder
         self.reader = try decoder.reader.clone()
 
         let imageHeader = decoder.imageHeader
-
-        let bitmapInfo: CGBitmapInfo
-        if shouldRenderWithAlpha {
-            bitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue)
-        } else {
-            bitmapInfo = imageHeader.bitmapInfo
-        }
-
         guard let outputBuffer = CGContext(
             data: nil,
             width: imageHeader.width,
             height: imageHeader.height,
             bitsPerComponent: imageHeader.bitDepthPerComponent,
             bytesPerRow: imageHeader.bytesPerRow,
             space: imageHeader.colorSpace,
-            bitmapInfo: bitmapInfo.rawValue
+            bitmapInfo: imageHeader.bitmapInfo.rawValue
         ) else {
             throw APNGKitError.decoderError(.canvasCreatingFailed)
         }

diff --git a/Source/APNGKit/APNGImageView.swift b/Source/APNGKit/APNGImageView.swift
@@ -25,9 +25,6 @@ open class APNGImageView: PlatformView {
     /// of `self`. Default is `true`.
     open var autoStartAnimationWhenSetImage = true
 
-    /// Enable this option to always reference the alpha channel during rendering. Default is `false`.
-    open var shouldRenderWithAlpha = false
-
     /// A delegate called every time when a "play" (a single loop of the animated image) is done. The parameter number
     /// is the count of played loops.
     ///
@@ -98,10 +95,9 @@ open class APNGImageView: PlatformView {
 
     /// Creates an APNG image view with the specified animated image.
     /// - Parameter image: The initial image to display in the image view.
-    public convenience init(image: APNGImage?, autoStartAnimating: Bool = true, shouldRenderWithAlpha: Bool = false) {
+    public convenience init(image: APNGImage?, autoStartAnimating: Bool = true) {
         self.init(frame: .zero)
         self.autoStartAnimationWhenSetImage = autoStartAnimating
-        self.shouldRenderWithAlpha = shouldRenderWithAlpha
         self.image = image
     }
 
@@ -216,7 +212,7 @@ open class APNGImageView: PlatformView {
             unsetImage()
 
             do {
-                renderer = try APNGImageRenderer(decoder: nextImage.decoder, shouldRenderWithAlpha: shouldRenderWithAlpha)
+                renderer = try APNGImageRenderer(decoder: nextImage.decoder)
             } catch {
                 printLog("Error happens while creating renderer for image. \(error)")
                 defaultDecodingErrored(