NetNewsWire/Shared/Extensions/RSImage-Extensions.swift
2020-01-17 13:45:38 -06:00

44 lines
970 B
Swift

//
// RSImage-Extensions.swift
// RSCore
//
// Created by Maurice Parker on 4/11/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
#if os(macOS)
import AppKit
#else
import UIKit
#endif
import RSCore
extension RSImage {
static let maxIconSize = 48
static func scaledForIcon(_ data: Data, imageResultBlock: @escaping (RSImage?) -> Void) {
DispatchQueue.global(qos: .default).async {
let image = RSImage.scaledForIcon(data)
DispatchQueue.main.async {
imageResultBlock(image)
}
}
}
static func scaledForIcon(_ data: Data) -> RSImage? {
let scaledMaxPixelSize = Int(ceil(CGFloat(RSImage.maxIconSize) * RSScreen.mainScreenScale))
guard var cgImage = RSImage.scaleImage(data, maxPixelSize: scaledMaxPixelSize) else {
return nil
}
#if os(iOS)
return RSImage(cgImage: cgImage)
#else
let size = NSSize(width: cgImage.width, height: cgImage.height)
return RSImage(cgImage: cgImage, size: size)
#endif
}
}