├── .gitignore ├── LICENSE ├── OpenCV.xcodeproj ├── project.pbxproj └── project.xcworkspace │ └── contents.xcworkspacedata ├── OpenCV ├── AppDelegate.swift ├── Assets.xcassets │ └── AppIcon.appiconset │ │ └── Contents.json ├── Base.lproj │ └── LaunchScreen.storyboard ├── Classes │ ├── CameraController.swift │ ├── ImageController.swift │ ├── OpenCVWrapper.h │ └── OpenCVWrapper.mm ├── Images │ ├── lena.png │ └── mandrill.png ├── Info.plist └── OpenCV-Bridging-Header.h └── README.md /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Frameworks 6 | 7 | OpenCV/Frameworks 8 | 9 | ## Build generated 10 | build/ 11 | DerivedData/ 12 | 13 | ## Various settings 14 | *.pbxuser 15 | !default.pbxuser 16 | *.mode1v3 17 | !default.mode1v3 18 | *.mode2v3 19 | !default.mode2v3 20 | *.perspectivev3 21 | !default.perspectivev3 22 | xcuserdata/ 23 | 24 | ## Other 25 | *.moved-aside 26 | *.xcuserstate 27 | 28 | ## Obj-C/Swift specific 29 | *.hmap 30 | *.ipa 31 | *.dSYM.zip 32 | *.dSYM 33 | 34 | ## Playgrounds 35 | timeline.xctimeline 36 | playground.xcworkspace 37 | 38 | # Swift Package Manager 39 | # 40 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 41 | # Packages/ 42 | .build/ 43 | 44 | # CocoaPods 45 | # 46 | # We recommend against adding the Pods directory to your .gitignore. 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Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /OpenCV.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 176F63BE1EB73FE000E86937 /* CameraController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 176F63BD1EB73FE000E86937 /* CameraController.swift */; }; 11 | 17769AEE1EB69B86004C3F13 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 17769AED1EB69B86004C3F13 /* AppDelegate.swift */; }; 12 | 17769AF51EB69B86004C3F13 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 17769AF41EB69B86004C3F13 /* Assets.xcassets */; }; 13 | 17769AF81EB69B86004C3F13 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 17769AF61EB69B86004C3F13 /* LaunchScreen.storyboard */; 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All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | public final class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | // MARK: - Variables 15 | 16 | public var window: UIWindow? 17 | 18 | // MARK: - Life 19 | 20 | public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { 21 | window = UIWindow(frame: UIScreen.main.bounds) 22 | window!.rootViewController = ImageController() 23 | window!.makeKeyAndVisible() 24 | 25 | return true 26 | } 27 | } 28 | 29 | -------------------------------------------------------------------------------- /OpenCV/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "29x29", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "40x40", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "40x40", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "60x60", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "60x60", 31 | "scale" : "3x" 32 | } 33 | ], 34 | "info" : { 35 | "version" : 1, 36 | "author" : "xcode" 37 | } 38 | } -------------------------------------------------------------------------------- /OpenCV/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /OpenCV/Classes/CameraController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CameraController.swift 3 | // OpenCV 4 | // 5 | // Created by Dmytro Nasyrov on 5/1/17. 6 | // Copyright © 2017 Pharos Production Inc. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | public final class CameraController: UIViewController { 12 | 13 | } 14 | -------------------------------------------------------------------------------- /OpenCV/Classes/ImageController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ImageController.swift 3 | // OpenCV 4 | // 5 | // Created by Dmytro Nasyrov on 5/1/17. 6 | // Copyright © 2017 Pharos Production Inc. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | public final class ImageController: UIViewController { 12 | 13 | // MARK: - Variables 14 | 15 | lazy var mandrillImg = UIImage(named: "mandrill.png"); 16 | lazy var sourceImgView: UIImageView = { 17 | let v = UIImageView(frame: .zero) 18 | v.contentMode = .scaleAspectFit 19 | v.isOpaque = true 20 | v.backgroundColor = UIColor.black 21 | 22 | return v 23 | }() 24 | lazy var resultImgView: UIImageView = { 25 | let v = UIImageView(frame: .zero) 26 | v.contentMode = .scaleAspectFit 27 | v.isOpaque = true 28 | v.backgroundColor = UIColor.black 29 | 30 | return v 31 | }() 32 | 33 | // MARK: - Life 34 | 35 | override public var prefersStatusBarHidden: Bool { 36 | return true 37 | } 38 | 39 | public override func loadView() { 40 | super.loadView() 41 | 42 | view.addSubview(sourceImgView) 43 | view.addSubview(resultImgView) 44 | } 45 | 46 | public override func viewWillLayoutSubviews() { 47 | super.viewWillLayoutSubviews() 48 | 49 | let width = view.bounds.width 50 | let height = view.bounds.height 51 | 52 | sourceImgView.frame = CGRect(x: 0.0, y: 0.0, width: width, height: ceil(height / 2.0)) 53 | 54 | let sourceImgViewBottom = sourceImgView.frame.maxY; 55 | resultImgView.frame = CGRect(x: 0.0, y: sourceImgViewBottom, width: width, height: height - sourceImgViewBottom); 56 | } 57 | 58 | public override func viewDidLoad() { 59 | super.viewDidLoad() 60 | 61 | sourceImgView.image = mandrillImg; 62 | resultImgView.image = OpenCVWrapper.toGray(mandrillImg); 63 | } 64 | } 65 | -------------------------------------------------------------------------------- /OpenCV/Classes/OpenCVWrapper.h: -------------------------------------------------------------------------------- 1 | // 2 | // OpenCVWrapper.h 3 | // OpenCV 4 | // 5 | // Created by Dmytro Nasyrov on 5/1/17. 6 | // Copyright © 2017 Pharos Production Inc. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface OpenCVWrapper : NSObject 12 | 13 | + (UIImage *)toGray:(UIImage *)source; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /OpenCV/Classes/OpenCVWrapper.mm: -------------------------------------------------------------------------------- 1 | // 2 | // OpenCVWrapper.m 3 | // OpenCV 4 | // 5 | // Created by Dmytro Nasyrov on 5/1/17. 6 | // Copyright © 2017 Pharos Production Inc. All rights reserved. 7 | // 8 | 9 | #ifdef __cplusplus 10 | #pragma clang diagnostic push 11 | #pragma clang diagnostic ignored "-Wdocumentation" 12 | 13 | #import 14 | #import "OpenCVWrapper.h" 15 | 16 | #pragma clang pop 17 | #endif 18 | 19 | using namespace std; 20 | using namespace cv; 21 | 22 | #pragma mark - Private Declarations 23 | 24 | @interface OpenCVWrapper () 25 | 26 | #ifdef __cplusplus 27 | 28 | + (Mat)_grayFrom:(Mat)source; 29 | + (Mat)_matFrom:(UIImage *)source; 30 | + (UIImage *)_imageFrom:(Mat)source; 31 | 32 | #endif 33 | 34 | @end 35 | 36 | #pragma mark - OpenCVWrapper 37 | 38 | @implementation OpenCVWrapper 39 | 40 | #pragma mark Public 41 | 42 | + (UIImage *)toGray:(UIImage *)source { 43 | cout << "OpenCV: "; 44 | return [OpenCVWrapper _imageFrom:[OpenCVWrapper _grayFrom:[OpenCVWrapper _matFrom:source]]]; 45 | } 46 | 47 | #pragma mark Private 48 | 49 | + (Mat)_grayFrom:(Mat)source { 50 | cout << "-> grayFrom ->"; 51 | 52 | Mat result; 53 | cvtColor(source, result, CV_BGR2GRAY); 54 | 55 | return result; 56 | } 57 | 58 | + (Mat)_matFrom:(UIImage *)source { 59 | cout << "matFrom ->"; 60 | 61 | CGImageRef image = CGImageCreateCopy(source.CGImage); 62 | CGFloat cols = CGImageGetWidth(image); 63 | CGFloat rows = CGImageGetHeight(image); 64 | Mat result(rows, cols, CV_8UC4); 65 | 66 | CGBitmapInfo bitmapFlags = kCGImageAlphaNoneSkipLast | kCGBitmapByteOrderDefault; 67 | size_t bitsPerComponent = 8; 68 | size_t bytesPerRow = result.step[0]; 69 | CGColorSpaceRef colorSpace = CGImageGetColorSpace(image); 70 | 71 | CGContextRef context = CGBitmapContextCreate(result.data, cols, rows, bitsPerComponent, bytesPerRow, colorSpace, bitmapFlags); 72 | CGContextDrawImage(context, CGRectMake(0.0f, 0.0f, cols, rows), image); 73 | CGContextRelease(context); 74 | 75 | return result; 76 | } 77 | 78 | + (UIImage *)_imageFrom:(Mat)source { 79 | cout << "-> imageFrom\n"; 80 | 81 | NSData *data = [NSData dataWithBytes:source.data length:source.elemSize() * source.total()]; 82 | CGDataProviderRef provider = CGDataProviderCreateWithCFData((__bridge CFDataRef)data); 83 | 84 | CGBitmapInfo bitmapFlags = kCGImageAlphaNone | kCGBitmapByteOrderDefault; 85 | size_t bitsPerComponent = 8; 86 | size_t bytesPerRow = source.step[0]; 87 | CGColorSpaceRef colorSpace = (source.elemSize() == 1 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB()); 88 | 89 | CGImageRef image = CGImageCreate(source.cols, source.rows, bitsPerComponent, bitsPerComponent * source.elemSize(), bytesPerRow, colorSpace, bitmapFlags, provider, NULL, false, kCGRenderingIntentDefault); 90 | UIImage *result = [UIImage imageWithCGImage:image]; 91 | 92 | CGImageRelease(image); 93 | CGDataProviderRelease(provider); 94 | CGColorSpaceRelease(colorSpace); 95 | 96 | return result; 97 | } 98 | 99 | @end 100 | -------------------------------------------------------------------------------- /OpenCV/Images/lena.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dmytronasyrov/Swift-with-OpenCV/eef0c5e4c58a9799f8220a67f0ef4e5365d9f388/OpenCV/Images/lena.png -------------------------------------------------------------------------------- /OpenCV/Images/mandrill.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dmytronasyrov/Swift-with-OpenCV/eef0c5e4c58a9799f8220a67f0ef4e5365d9f388/OpenCV/Images/mandrill.png -------------------------------------------------------------------------------- /OpenCV/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UILaunchStoryboardName 24 | LaunchScreen 25 | UIRequiredDeviceCapabilities 26 | 27 | armv7 28 | 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /OpenCV/OpenCV-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | 2 | #import "OpenCVWrapper.h" 3 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | By [Dmytro Nasyrov, Founder, CTO at Pharos Production Inc.](https://www.linkedin.com/in/dmytronasyrov/) 2 | And [Pharos Production Inc. - Web3, blockchain, fintech, defi software development services](https://pharosproduction.com) 3 | 4 | # Swift-with-OpenCV 5 | Demo project that shows how to add OpenCV into swift iOS app. You can find more details at Medium: 6 | [Using OpenCV in a Swift project](https://medium.com/pharos-production/using-opencv-in-a-swift-project-679868e1b798) 7 | --------------------------------------------------------------------------------