126 lines
5.0 KiB
Swift
126 lines
5.0 KiB
Swift
import UIKit
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// MARK: - 阅读器主题
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/// EPUB 阅读器主题配置结构体
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/// 定义阅读器内容区域和工具栏的颜色方案
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/// 内置浅色、深色、黄色、绿色、粉色、蓝色六套预设主题
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public struct RDEPUBReaderTheme: Equatable {
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// MARK: 内容区颜色
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/// 内容区域的背景色
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public var contentBackgroundColor: UIColor
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/// 内容区域的正文文字颜色
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public var contentTextColor: UIColor
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// MARK: 工具栏颜色
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/// 工具栏背景色
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public var toolBackgroundColor: UIColor
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/// 工具栏控件文字/图标颜色
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public var toolControlTextColor: UIColor
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/// 工具栏控件未选中状态的边框颜色
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public var toolControlBorderUnselectColor: UIColor
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/// 工具栏中分隔线的颜色
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public var toolLineColor: UIColor
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/// 初始化主题配置
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/// - Parameters:
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/// - contentBackgroundColor: 内容区背景色
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/// - contentTextColor: 内容区文字颜色
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/// - toolBackgroundColor: 工具栏背景色
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/// - toolControlTextColor: 工具栏控件颜色
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/// - toolControlBorderUnselectColor: 控件未选中边框色
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/// - toolLineColor: 分隔线颜色
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public init(
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contentBackgroundColor: UIColor,
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contentTextColor: UIColor,
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toolBackgroundColor: UIColor,
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toolControlTextColor: UIColor,
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toolControlBorderUnselectColor: UIColor,
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toolLineColor: UIColor
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) {
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self.contentBackgroundColor = contentBackgroundColor
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self.contentTextColor = contentTextColor
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self.toolBackgroundColor = toolBackgroundColor
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self.toolControlTextColor = toolControlTextColor
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self.toolControlBorderUnselectColor = toolControlBorderUnselectColor
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self.toolLineColor = toolLineColor
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}
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// MARK: 内置预设主题
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/// 浅色主题：白底黑字，适合日间阅读
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public static let light = RDEPUBReaderTheme(
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contentBackgroundColor: .white,
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contentTextColor: .black,
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toolBackgroundColor: .white,
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toolControlTextColor: .black,
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toolControlBorderUnselectColor: UIColor.lightGray.withAlphaComponent(0.5),
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toolLineColor: UIColor.lightGray.withAlphaComponent(0.5)
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)
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/// 深色主题：黑底白字，适合夜间阅读
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public static let dark = RDEPUBReaderTheme(
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contentBackgroundColor: .black,
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contentTextColor: .white,
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toolBackgroundColor: .black,
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toolControlTextColor: .white,
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toolControlBorderUnselectColor: UIColor.lightGray.withAlphaComponent(0.5),
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toolLineColor: UIColor.lightGray.withAlphaComponent(0.5)
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)
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/// 黄色护眼主题：暖色调背景，减少蓝光刺激
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public static let yellow = RDEPUBReaderTheme(
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contentBackgroundColor: UIColor(red: 0.89, green: 0.87, blue: 0.79, alpha: 1),
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contentTextColor: .black,
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toolBackgroundColor: UIColor(red: 0.89, green: 0.87, blue: 0.79, alpha: 1),
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toolControlTextColor: .black,
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toolControlBorderUnselectColor: UIColor.lightGray.withAlphaComponent(0.5),
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toolLineColor: UIColor.lightGray.withAlphaComponent(0.5)
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)
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/// 绿色护眼主题：模拟纸质书的柔和绿色背景
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public static let green = RDEPUBReaderTheme(
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contentBackgroundColor: UIColor(red: 0.87, green: 0.91, blue: 0.82, alpha: 1),
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contentTextColor: .black,
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toolBackgroundColor: UIColor(red: 0.87, green: 0.91, blue: 0.82, alpha: 1),
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toolControlTextColor: .black,
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toolControlBorderUnselectColor: UIColor.lightGray.withAlphaComponent(0.5),
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toolLineColor: UIColor.lightGray.withAlphaComponent(0.5)
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)
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/// 粉色主题：柔和粉色背景
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public static let pink = RDEPUBReaderTheme(
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contentBackgroundColor: UIColor(red: 1, green: 0.89, blue: 0.91, alpha: 1),
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contentTextColor: .black,
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toolBackgroundColor: UIColor(red: 1, green: 0.89, blue: 0.91, alpha: 1),
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toolControlTextColor: .black,
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toolControlBorderUnselectColor: UIColor.lightGray.withAlphaComponent(0.5),
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toolLineColor: UIColor.lightGray.withAlphaComponent(0.5)
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)
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/// 蓝色主题：冷色调蓝色背景
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public static let blue = RDEPUBReaderTheme(
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contentBackgroundColor: UIColor(red: 0.8, green: 0.84, blue: 0.89, alpha: 1),
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contentTextColor: .black,
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toolBackgroundColor: UIColor(red: 0.8, green: 0.84, blue: 0.89, alpha: 1),
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toolControlTextColor: .black,
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toolControlBorderUnselectColor: UIColor.lightGray.withAlphaComponent(0.5),
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toolLineColor: UIColor.lightGray.withAlphaComponent(0.5)
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)
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}
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// MARK: - CSS 颜色转换
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extension RDEPUBReaderTheme {
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/// 将内容区背景色转换为 CSS 颜色字符串，注入 EPUB 的 HTML 中
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var themeBackgroundColorCSS: String {
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contentBackgroundColor.ss_cssString
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}
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/// 将内容区文字颜色转换为 CSS 颜色字符串，注入 EPUB 的 HTML 中
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var themeTextColorCSS: String {
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contentTextColor.ss_cssString
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}
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} |