Backport UIImage.withTintColor

2 files changed, 38 insertions, 0 deletions

diff --git a/ios/MullvadVPN.xcodeproj/project.pbxproj b/ios/MullvadVPN.xcodeproj/project.pbxproj
index c8c259d5ae..8ddd24c52d 100644
--- a/ios/MullvadVPN.xcodeproj/project.pbxproj
+++ b/ios/MullvadVPN.xcodeproj/project.pbxproj
@@ -113,6 +113,7 @@
 		5850368D25A49E2200A43E93 /* PrivateKeyWithMetadata.swift in Sources */ = {isa = PBXBuildFile; fileRef = 58C6B35322BB87C4003C19AD /* PrivateKeyWithMetadata.swift */; };
 		58561C99239A5D1500BD6B5E /* IPEndpoint.swift in Sources */ = {isa = PBXBuildFile; fileRef = 58561C98239A5D1500BD6B5E /* IPEndpoint.swift */; };
 		58561C9A239A5D1500BD6B5E /* IPEndpoint.swift in Sources */ = {isa = PBXBuildFile; fileRef = 58561C98239A5D1500BD6B5E /* IPEndpoint.swift */; };
+		5856D13727450A8A00DFD627 /* UIImage+TintColor.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5856D13627450A8A00DFD627 /* UIImage+TintColor.swift */; };
 		5857F23024C843ED00CF6F47 /* ChainedError.swift in Sources */ = {isa = PBXBuildFile; fileRef = 58F840B12464491D0044E708 /* ChainedError.swift */; };
 		5857F23424C8443700CF6F47 /* AsyncOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 58E973DD24850EB600096F90 /* AsyncOperation.swift */; };
 		5857F23824C8446700CF6F47 /* AsyncBlockOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 580EE22324B3243100F9D8A1 /* AsyncBlockOperation.swift */; };
@@ -413,6 +414,7 @@
 		584D26C5270C8741004EA533 /* SettingsDNSTextCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsDNSTextCell.swift; sourceTree = "<group>"; };
 		5850366725A47AC700A43E93 /* IPAddressRange+Codable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "IPAddressRange+Codable.swift"; sourceTree = "<group>"; };
 		58561C98239A5D1500BD6B5E /* IPEndpoint.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IPEndpoint.swift; sourceTree = "<group>"; };
+		5856D13627450A8A00DFD627 /* UIImage+TintColor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIImage+TintColor.swift"; sourceTree = "<group>"; };
 		5857F24224C8662600CF6F47 /* SelectLocationHeaderView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SelectLocationHeaderView.swift; sourceTree = "<group>"; };
 		5857F24624C882D700CF6F47 /* SelectLocationNavigationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SelectLocationNavigationController.swift; sourceTree = "<group>"; };
 		585CA70E25F8C44600B47C62 /* UIMetrics.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIMetrics.swift; sourceTree = "<group>"; };
@@ -910,6 +912,7 @@
 				5891BF5025E66B1E006D6FB0 /* UIBarButtonItem+KeyboardNavigation.swift */,
 				587CBFE222807F530028DED3 /* UIColor+Helpers.swift */,
 				58CCA0152242560B004F3011 /* UIColor+Palette.swift */,
+				5856D13627450A8A00DFD627 /* UIImage+TintColor.swift */,
 				585CA70E25F8C44600B47C62 /* UIMetrics.swift */,
 				58FD5BF12424F7D700112C88 /* UserInterfaceInteractionRestriction.swift */,
 				58B8743122B25A7600015324 /* WireguardAssociatedAddresses.swift */,
@@ -1327,6 +1330,7 @@
 				5846227326E22A160035F7C2 /* AppStorePaymentObserver.swift in Sources */,
 				58FAEDEF245069C700CB0F5B /* KeychainAttributes.swift in Sources */,
 				585DA87A26B024F900B8C587 /* RelayCacheError.swift in Sources */,
+				5856D13727450A8A00DFD627 /* UIImage+TintColor.swift in Sources */,
 				58CB0EE024B86751001EF0D8 /* RESTClient.swift in Sources */,
 				5846226A26E0E6FA0035F7C2 /* ReceiptRefreshOperation.swift in Sources */,
 				58293FB125124117005D0BB5 /* CustomTextField.swift in Sources */,
diff --git a/ios/MullvadVPN/UIImage+TintColor.swift b/ios/MullvadVPN/UIImage+TintColor.swift
new file mode 100644
index 0000000000..b8b7dd1731
--- /dev/null
+++ b/ios/MullvadVPN/UIImage+TintColor.swift
@@ -0,0 +1,34 @@
+//
+//  UIImage+TintColor.swift
+//  MullvadVPN
+//
+//  Created by pronebird on 17/11/2021.
+//  Copyright © 2021 Mullvad VPN AB. All rights reserved.
+//
+
+import UIKit
+
+extension UIImage {
+
+    func backport_withTintColor(_ tintColor: UIColor) -> UIImage {
+        return backport_withTintColor(tintColor, renderingMode: renderingMode)
+    }
+
+    func backport_withTintColor(_ tintColor: UIColor, renderingMode: RenderingMode) -> UIImage {
+        if #available(iOS 13, *) {
+            return withTintColor(tintColor, renderingMode: renderingMode)
+        }
+
+        let rect = CGRect(origin: .zero, size: size)
+        let renderer = UIGraphicsImageRenderer(size: size)
+
+        let renderedImage = renderer.image { context in
+            tintColor.setFill()
+            context.fill(rect)
+            draw(in: rect, blendMode: .destinationIn, alpha: 1)
+        }
+
+        return renderedImage.withRenderingMode(renderingMode)
+    }
+
+}