diff --git a/Sources/domain/CGImageSourceFrameSequence.swift b/Sources/domain/CGImageSourceFrameSequence.swift
index 997f81f..08c3a8d 100644
--- a/Sources/domain/CGImageSourceFrameSequence.swift
+++ b/Sources/domain/CGImageSourceFrameSequence.swift
@@ -8,18 +8,18 @@
 import Foundation
 import CoreImage
 
-struct CGImageSourceFrameSequence: AsyncSequence {
-    typealias Element = ImageFrame
+public struct CGImageSourceFrameSequence: AsyncSequence {
+    public typealias Element = ImageFrame
     
-    let source: CGImageSource
-    let loop: Bool
+    public let source: CGImageSource
+    public let loop: Bool
     
-    init(source: CGImageSource, loop: Bool) {
+    public init(source: CGImageSource, loop: Bool) {
         self.source = source
         self.loop = loop
     }
     
-    func makeAsyncIterator() -> CGImageSourceIterator {
+    public func makeAsyncIterator() -> CGImageSourceIterator {
         CGImageSourceIterator(source: source, loop: loop)
     }
 }
diff --git a/Sources/domain/CGImageSourceIterator.swift b/Sources/domain/CGImageSourceIterator.swift
index e056b39..a578f92 100644
--- a/Sources/domain/CGImageSourceIterator.swift
+++ b/Sources/domain/CGImageSourceIterator.swift
@@ -8,21 +8,21 @@
 import Foundation
 import CoreImage
 
-struct CGImageSourceIterator: AsyncIteratorProtocol {
+public struct CGImageSourceIterator: AsyncIteratorProtocol {
     
-    let loop: Bool
-    let frameCount: Int
-    let source: CGImageSource
-    var currentFrame: Int
+    public let loop: Bool
+    public let frameCount: Int
+    public let source: CGImageSource
+    public private(set) var currentFrame: Int
     
-    init(source: CGImageSource, loop: Bool) {
+    public init(source: CGImageSource, loop: Bool) {
         self.source = source
         self.frameCount = CGImageSourceGetCount(source)
         self.currentFrame = 0
         self.loop = loop
     }
     
-    mutating func next() async throws -> ImageFrame? {
+    public mutating func next() async throws -> ImageFrame? {
         
         if currentFrame >= frameCount {
             if loop {
@@ -42,7 +42,7 @@ struct CGImageSourceIterator: AsyncIteratorProtocol {
         return frame
     }
     
-    mutating func reset() {
+    public mutating func reset() {
         currentFrame = 0
     }
 }
diff --git a/Sources/domain/ImageLoader.swift b/Sources/domain/ImageLoader.swift
index 9676cba..2cc13b8 100644
--- a/Sources/domain/ImageLoader.swift
+++ b/Sources/domain/ImageLoader.swift
@@ -19,7 +19,7 @@ public struct ImageLoader {
         self.fileManager = fileManager
     }
     
-    func load(source: GIFSource, loop: Bool) async throws -> CGImageSourceFrameSequence {
+    public func load(source: GIFSource, loop: Bool) async throws -> CGImageSourceFrameSequence {
         let data = try await source.loadData(session: session, cache: cache, fileManager: fileManager)
         return try data.imageAsyncSequence(loop: loop)
     }