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Code Quality Rank: L4
Programming language: Swift
License: MIT License
Tags: Images    
Latest version: v0.3.3

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README

Vulcan

Build Status Carthage compatible Version Platform

Multi image downloader with priority in Swift

Features

  • Very light
  • Multi image download with priority
  • Caching images
  • Pure Swift
  • Composable image
  • Support WebP
Single download Multi download with priority
demo_01 demo_02

Installation

CocoaPods

Setup CocoaPods:

$ gem install cocoapods

CocoaPods 1.1.0+ is required to build Vulcan

Podfile

platform :ios, '8.0'
use_frameworks!

target '<Your Target Name>' do
pod 'Vulcan'
end

Then, run the following command:

$ pod install

Carthage

Setup carthage:

$ brew update
$ brew install carthage

Cartfile

github "jinSasaki/Vulcan"

Usage

Image downloading and show

import Vulcan

// Single downloading
imageView.vl.setImage(url: URL(string: "/path/to/image")!)

// Multi downloading
// This image will be overridden by the image of higher priority URL.
imageView.vl.setImage(urls: [
    .url(URL(string: "/path/to/image")!, priority: 100),
    .url(URL(string: "/path/to/image")!, priority: 1000)
    ])

WebP image

If you installed via CocoaPods, add pod 'Vulcan/WebP'. If you installed via Carthage, add SwiftWebP.framework to project.

import Vulcan
import SwiftWebP // Only installed via Carthage

extension WebPDecoder: ImageDecoder {
    public func decode(data: Data, response: HTTPURLResponse, options: ImageDecodeOptions?) throws -> Image {
        let contentTypes = response.allHeaderFields.filter({ ($0.key as? String ?? "").lowercased() == "content-type" })
        guard
            let contentType = contentTypes.first,
            let value = contentType.value as? String,
            value == "image/webp",
            let image = WebPDecoder.decode(data) else {
                return try DefaultImageDecoder().decode(data: data, response: response, options: options)
        }
        return image
    }
}

// Set decoder to shared ImageDownloader
Vulcan.defaultImageDownloader.decoder = WebPDecoder()

// Request image with URL
imageView.vl.setImage(url: URL(string: "/path/to/image")!)

Requirements

  • iOS 9.0+
  • Xcode 8.1+
  • Swift 3.0.1+