+/*
+ Copyright (C) 2024 Rubén Beltrán del Río
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see https://captura.tranquil.systems.
+ */
import CoreGraphics
extension CGImage {
func resize(by scale: CGFloat) -> CGImage? {
let width = Int(CGFloat(self.width) / scale)
let height = Int(CGFloat(self.height) / scale)
-
+
let bitsPerComponent = self.bitsPerComponent
let colorSpace = self.colorSpace ?? CGColorSpace(name: CGColorSpace.sRGB)!
let bitmapInfo = self.bitmapInfo.rawValue
-
- guard let context = CGContext(data: nil, width: width, height: height, bitsPerComponent: bitsPerComponent, bytesPerRow: 0, space: colorSpace, bitmapInfo: bitmapInfo) else {
- return nil
+
+ guard
+ let context = CGContext(
+ data: nil, width: width, height: height, bitsPerComponent: bitsPerComponent, bytesPerRow: 0,
+ space: colorSpace, bitmapInfo: bitmapInfo)
+ else {
+ return nil
}
-
+
context.interpolationQuality = .high
context.draw(self, in: CGRect(x: 0, y: 0, width: width, height: height))
-
+
return context.makeImage()
}
}