Initial Commit

CircleLabel.podspec

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+#
+# Be sure to run `pod lib lint CircleLabel.podspec' to ensure this is a
+# valid spec before submitting.
+#
+# Any lines starting with a # are optional, but their use is encouraged
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
+#
+
+Pod::Spec.new do |s|
+ s.name = 'CircleLabel'
+ s.version = '1.0.0'
+ s.summary = 'Labels with circle backgrounds'
+
+
+
+ s.description = <<-DESC
+ Genererate labels with circle backgrounds.
+ Use text based color generator with custom schemes or choose your own color.
+ Library has full Storyboard integration.
+ DESC
+
+ s.homepage = 'https://github.com/hoomazoid/CircleLabel'
+ s.screenshots = 'https://i.imgur.com/OX0ZniH.jpg'
+ s.license = { :type => 'MIT', :file => 'LICENSE' }
+ s.author = { 'Giorgi Andriadze' => 'g.andriadze2@gmail.com' }
+ s.source = { :git => 'https://github.com/hoomazoid/CircleLabel.git', :tag => s.version.to_s }
+ # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
+
+ s.ios.deployment_target = '8.0'
+
+ s.source_files = 'CircleLabel/Classes/**/*'
+
+ # s.resource_bundles = {
+ # 'CircleLabel' => ['CircleLabel/Assets/*.png']
+ # }
+
+ # s.public_header_files = 'Pod/Classes/**/*.h'
+ # s.frameworks = 'UIKit', 'MapKit'
+ # s.dependency 'AFNetworking', '~> 2.3'
+end

CircleLabel/Classes/CircleLabel.swift

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+//
+// CircularImageView.swift
+// CircularText
+//
+// Created by Gio Andriadze on 9/27/17.
+// Copyright © 2017 Casatrade Ltd. All rights reserved.
+//
+
+import UIKit
+
+@IBDesignable
+class CircleLabel : UIImageView
+{
+ static let DEFAULT_COLOR_SCHEME:[UInt32] = [
+ 0xfff16364,
+ 0xfff58559,
+ 0xfff9a43e,
+ 0xffe4c62e,
+ 0xff67bf74,
+ 0xff59a2be,
+ 0xff2093cd,
+ 0xffad62a7,
+ 0xff805781
+ ]
+
+ var COLOR_SCHEME:[UInt32] = CircleLabel.DEFAULT_COLOR_SCHEME{
+ didSet{
+ setCircleAndText();
+ }
+ }
+
+ @IBInspectable var textColor:UIColor = UIColor.white{
+ didSet{
+ setCircleAndText()
+ }
+ }
+
+ @IBInspectable var text:String = "" {
+ didSet{
+ setCircleAndText()
+ }
+ }
+ @IBInspectable var colorFromText:String = ""{
+ didSet{
+ setCircleAndText()
+ }
+ }
+ @IBInspectable var padding:Float = 0.3{
+ didSet{
+ setCircleAndText()
+ }
+ }
+
+ @IBInspectable var useTextColor:Bool = true{
+ didSet{
+ setCircleAndText()
+ }
+ }
+
+ @IBInspectable var circleColor:UIColor = UIColor.gray{
+ didSet{
+ if(!useTextColor){
+ setCircleAndText()
+ }
+ }
+ }
+
+ @IBInspectable var amountLines:Int = 1{
+ didSet{
+ setCircleAndText()
+ }
+ }
+
+
+ override init(frame:CGRect)
+ {
+ super.init(frame: frame)
+
+ setCircleAndText();
+ }
+
+ init(frame:CGRect, text:String, colorText:String)
+ {
+
+ super.init(frame: frame)
+ self.text = text;
+ self.colorFromText = colorText;
+
+ setCircleAndText();
+ }
+
+ required init?(coder aDecoder: NSCoder) {
+ super.init(coder: aDecoder)
+ setCircleAndText();
+
+ }
+
+ private func setCircleAndText() {
+ self.contentMode = .scaleAspectFit
+
+ let color = (useTextColor ? randomColorFrom(text: colorFromText) : circleColor)
+
+ self.image = circle(diameter: self.frame.size.height, color: color)
+ self.superview?.layoutIfNeeded()
+
+ }
+
+
+ private func circle(diameter: CGFloat, color: UIColor) -> UIImage? {
+ //temp view to position label
+ if(padding < 0.3)
+ {
+ padding = 0.3
+ }
+
+
+ let tempView = UIView(frame: CGRect(x: 0, y: 0, width:diameter, height:diameter));
+ //main label
+ let label = UILabel(frame: CGRect(x:0, y: 0, width:diameter/(CGFloat)(1 + padding), height:diameter/(CGFloat)(1 + padding)))
+ label.backgroundColor = UIColor.clear
+ label.textColor = self.textColor
+ label.numberOfLines = amountLines;
+ label.adjustsFontSizeToFitWidth = true;
+ label.minimumScaleFactor = 0.01
+ label.text = text
+ label.textAlignment = .center
+ label.baselineAdjustment = .alignCenters;
+ label.font = label.font.withSize(diameter)
+ label.center = tempView.center
+
+
+ tempView.addSubview(label)
+
+ UIGraphicsBeginImageContextWithOptions(CGSize(width: diameter, height: diameter), false, 0)
+ guard let ctx = UIGraphicsGetCurrentContext() else { return nil }
+ ctx.saveGState()
+ //Draw the circle
+
+ let rect = CGRect(x: 0, y: 0, width: diameter, height: diameter)
+ ctx.setFillColor(color.cgColor)
+ ctx.fillEllipse(in: rect)
+ ctx.restoreGState()
+ //render view with label
+ tempView.layer.render(in:ctx)
+
+ let img = UIGraphicsGetImageFromCurrentImageContext()!
+ UIGraphicsEndImageContext()
+
+ return img
+ }
+
+ private func randomColorFrom(text: String) -> UIColor
+ {
+ let rgb:UInt32 = COLOR_SCHEME[abs(text.hashValue) % CircleLabel.DEFAULT_COLOR_SCHEME.count]
+ let red:CGFloat = CGFloat((rgb & 0xFF0000) >> 16)/255.0;
+ let green = CGFloat((rgb & 0xFF00) >> 8)/255.0;
+ let blue = CGFloat((rgb & 0xFF))/255.0
+
+ return UIColor(red: red, green: green, blue: blue, alpha: 1)
+
+ }
+
+ override func prepareForInterfaceBuilder()
+ {
+ setCircleAndText();
+ }
+
+
+
+
+
+}