ReadViewSDK/Sources/RDReaderView/EPUBCore/RDEPUBPreferences.swift
2026-05-21 19:40:51 +08:00

85 lines
3.2 KiB
Swift

import UIKit
public struct RDEPUBPreferences: Equatable {
public var fontSize: CGFloat
public var lineHeightMultiple: CGFloat
public var reflowableContentInsets: UIEdgeInsets
public var fixedContentInset: UIEdgeInsets
public var themeBackgroundColor: String?
public var themeTextColor: String?
public var fixedBackgroundColor: String?
public var fixedLayoutFit: RDEPUBFixedLayoutFit
public var fixedLayoutSpreadMode: RDEPUBFixedLayoutSpreadMode
public init(
fontSize: CGFloat,
lineHeightMultiple: CGFloat,
reflowableContentInsets: UIEdgeInsets,
fixedContentInset: UIEdgeInsets,
themeBackgroundColor: String? = nil,
themeTextColor: String? = nil,
fixedBackgroundColor: String? = nil,
fixedLayoutFit: RDEPUBFixedLayoutFit = .page,
fixedLayoutSpreadMode: RDEPUBFixedLayoutSpreadMode = .automatic
) {
self.fontSize = fontSize
self.lineHeightMultiple = lineHeightMultiple
self.reflowableContentInsets = reflowableContentInsets
self.fixedContentInset = fixedContentInset
self.themeBackgroundColor = themeBackgroundColor
self.themeTextColor = themeTextColor
self.fixedBackgroundColor = fixedBackgroundColor
self.fixedLayoutFit = fixedLayoutFit
self.fixedLayoutSpreadMode = fixedLayoutSpreadMode
}
public func presentationStyle(viewportSize: CGSize) -> RDEPUBPresentationStyle {
RDEPUBPresentationStyle(
viewportSize: viewportSize,
contentInsets: reflowableContentInsets,
fontSize: fontSize,
lineHeightMultiple: lineHeightMultiple,
themeBackgroundColor: themeBackgroundColor,
themeTextColor: themeTextColor
)
}
public func renderRequest(
for page: EPUBPage,
publication: RDEPUBPublication,
viewportSize: CGSize,
targetLocation: RDEPUBLocation? = nil,
highlights: [RDEPUBHighlight] = [],
searchPresentation: RDEPUBSearchPresentation? = nil
) -> RDEPUBRenderRequest? {
if publication.layout == .fixed, let fixedSpread = page.fixedSpread {
return .fixed(
RDEPUBFixedRenderRequest(
spread: fixedSpread,
viewportSize: viewportSize,
contentInset: fixedContentInset,
backgroundColorCSS: fixedBackgroundColor,
fit: fixedLayoutFit,
searchPresentation: searchPresentation
)
)
}
guard publication.spine.indices.contains(page.spineIndex) else {
return nil
}
return .reflowable(
RDEPUBReflowableRenderRequest(
spineIndex: page.spineIndex,
href: publication.spine[page.spineIndex].href,
pageIndex: page.pageIndexInChapter,
totalPagesInChapter: page.totalPagesInChapter,
presentation: presentationStyle(viewportSize: viewportSize),
targetLocation: targetLocation,
highlights: highlights,
searchPresentation: searchPresentation
)
)
}
}