From 1de69562f912b80dd988416be71bac1eb900350c Mon Sep 17 00:00:00 2001
From: Vincent Sam <vincent.sam@mapbox.com>
Date: Tue, 24 Jul 2018 14:25:11 -0400
Subject: [PATCH] [GH-1440] - Added function to insert a text in the current
 image.

---
 MapboxNavigation/UIImage.swift | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/MapboxNavigation/UIImage.swift b/MapboxNavigation/UIImage.swift
index 876c277f05..00943868b4 100644
--- a/MapboxNavigation/UIImage.swift
+++ b/MapboxNavigation/UIImage.swift
@@ -9,4 +9,22 @@ extension UIImage {
         UIGraphicsEndImageContext()
         return tintedImage
     }
+    
+    func insert(text: NSString, color: UIColor, font: UIFont, atPoint: CGPoint, scale: CGFloat) -> UIImage? {
+        UIGraphicsBeginImageContextWithOptions(size, false, scale)
+        
+        let textStyle = NSMutableParagraphStyle()
+        textStyle.alignment = .center
+        
+        let textFontAttributes: [NSAttributedStringKey: Any] = [.font: font, .foregroundColor: color, .paragraphStyle: textStyle]
+        draw(in: CGRect(x: 0, y: 0, width: size.width, height: size.height))
+        
+        let rect = CGRect(x: atPoint.x, y: atPoint.y, width: size.width, height: size.height)
+        text.draw(in: rect.integral, withAttributes: textFontAttributes)
+        
+        let newImage = UIGraphicsGetImageFromCurrentImageContext()
+        UIGraphicsEndImageContext()
+        
+        return newImage
+    }
 }