import UIKit

#if canImport(DTCoreText)
import DTCoreText
#endif

enum RDEPUBDarkImageAdjuster {
#if canImport(DTCoreText)

    static func adjustIfNeeded(
        _ content: NSMutableAttributedString,
        in range: NSRange? = nil,
        configuration: RDEPUBReaderConfiguration
    ) -> NSMutableAttributedString {
        // DTCoreText retains rendering state on its original image attachment.
        // Replacing that attachment with a newly rendered UIImage preserves its
        // layout size but can leave its drawing callback empty in dark mode.
        // Keep the original attachment until image dimming can be performed
        // without changing the attachment instance.
        return content
    }

#endif
}