Epub阅读器0.0.1

2026-05-21 19:40:51 +08:00
commit daa36d8fe7
559 changed files with 106266 additions and 0 deletions
@@ -0,0 +1,35 @@
+import CoreText
+import UIKit
+
+extension NSAttributedString {
+    func ss_pageRanges(size: CGSize) -> [NSRange] {
+        var ranges: [NSRange] = []
+        let framesetter = CTFramesetterCreateWithAttributedString(self)
+        let path = CGPath(rect: CGRect(origin: .zero, size: size), transform: nil)
+        var visibleRange = CFRangeMake(0, 0)
+        var location = 0
+
+        while visibleRange.location + visibleRange.length < length {
+            let frame = CTFramesetterCreateFrame(framesetter, CFRangeMake(location, 0), path, nil)
+            visibleRange = CTFrameGetVisibleStringRange(frame)
+            guard visibleRange.length > 0 else {
+                break
+            }
+            ranges.append(NSRange(location: location, length: visibleRange.length))
+            location += visibleRange.length
+        }
+
+        return ranges
+    }
+}
+
+extension UIColor {
+    var ss_cssString: String {
+        var red: CGFloat = 0
+        var green: CGFloat = 0
+        var blue: CGFloat = 0
+        var alpha: CGFloat = 0
+        getRed(&red, green: &green, blue: &blue, alpha: &alpha)
+        return String(format: "rgba(%d, %d, %d, %.3f)", Int(red * 255), Int(green * 255), Int(blue * 255), alpha)
+    }
+}