sjs/SwiftyCam
1
0
Fork 0
mirror of https://github.com/samsonjs/SwiftyCam.git synced 2026-04-27 15:07:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Move orientation logic to separate class

Browse source
This commit is contained in:
Jon Andersen 2017-09-07 17:00:18 -04:00
parent 9df5997d18
commit 04faa034e3
2 changed files with 101 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

94
Source/Orientation.swift Normal file
View file

@ -0,0 +1,94 @@
/*Copyright (c) 2016, Andrew Walz.
Redistribution and use in source and binary forms, with or without modification,are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
import Foundation
import AVFoundation
import UIKit
protocol Orientation: class {
func getPreviewLayerOrientation() -> AVCaptureVideoOrientation
func getVideoOrientation() -> AVCaptureVideoOrientation?
func getImageOrientation(forCamera: SwiftyCamViewController.CameraSelection) -> UIImageOrientation
func start()
func stop()
}
class DeviceOrientation : Orientation {
var deviceOrientation : UIDeviceOrientation?
var shouldUseDeviceOrientation: Bool = false
func start() {
self.deviceOrientation = UIDevice.current.orientation
NotificationCenter.default.addObserver(self, selector: #selector(didRotate), name: NSNotification.Name.UIDeviceOrientationDidChange, object: nil)
}
func stop() {
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIDeviceOrientationDidChange, object: nil)
self.deviceOrientation = nil
}
@objc func didRotate() {
if !UIDevice.current.orientation.isFlat {
self.deviceOrientation = UIDevice.current.orientation
}
}
func getImageOrientation(forCamera: SwiftyCamViewController.CameraSelection) -> UIImageOrientation {
guard shouldUseDeviceOrientation, let deviceOrientation = self.deviceOrientation else { return forCamera == .rear ? .right : .leftMirrored }
switch deviceOrientation {
case .landscapeLeft:
return forCamera == .rear ? .up : .downMirrored
case .landscapeRight:
return forCamera == .rear ? .down : .upMirrored
case .portraitUpsideDown:
return forCamera == .rear ? .left : .rightMirrored
default:
return forCamera == .rear ? .right : .leftMirrored
}
}
func getPreviewLayerOrientation() -> AVCaptureVideoOrientation {
// Depends on layout orientation, not device orientation
switch UIApplication.shared.statusBarOrientation {
case .portrait, .unknown:
return AVCaptureVideoOrientation.portrait
case .landscapeLeft:
return AVCaptureVideoOrientation.landscapeLeft
case .landscapeRight:
return AVCaptureVideoOrientation.landscapeRight
case .portraitUpsideDown:
return AVCaptureVideoOrientation.portraitUpsideDown
}
}
func getVideoOrientation() -> AVCaptureVideoOrientation? {
guard shouldUseDeviceOrientation, let deviceOrientation = self.deviceOrientation else { return nil }
switch deviceOrientation {
case .landscapeLeft:
return .landscapeRight
case .landscapeRight:
return .landscapeLeft
case .portraitUpsideDown:
return .portraitUpsideDown
default:
return .portrait
}
}
}

72
Source/SwiftyCamViewController.swift
View file

@ -233,7 +233,7 @@ open class SwiftyCamViewController: UIViewController {
/// PreviewView for the capture session /// PreviewView for the capture session
fileprivate var previewLayer : PreviewView! var previewLayer : PreviewView!
/// UIView for front facing flash /// UIView for front facing flash
@ -245,7 +245,7 @@ open class SwiftyCamViewController: UIViewController {
/// Last changed orientation /// Last changed orientation
fileprivate var deviceOrientation : UIDeviceOrientation? var orientation : Orientation = DeviceOrientation()
/// Boolean to store when View Controller is notified session is running /// Boolean to store when View Controller is notified session is running
@ -368,7 +368,7 @@ open class SwiftyCamViewController: UIViewController {
// Subscribe to device rotation notifications // Subscribe to device rotation notifications
if shouldUseDeviceOrientation { if shouldUseDeviceOrientation {
subscribeToDeviceOrientationChangeNotifications() orientation.start()
} }
// Set background audio preference // Set background audio preference
@ -384,7 +384,7 @@ open class SwiftyCamViewController: UIViewController {
// Preview layer video orientation can be set only after the connection is created // Preview layer video orientation can be set only after the connection is created
DispatchQueue.main.async { DispatchQueue.main.async {
self.previewLayer.videoPreviewLayer.connection?.videoOrientation = self.getPreviewLayerOrientation() self.previewLayer.videoPreviewLayer.connection?.videoOrientation = self.orientation.getPreviewLayerOrientation()
} }
case .notAuthorized: case .notAuthorized:
@ -424,7 +424,7 @@ open class SwiftyCamViewController: UIViewController {
// Unsubscribe from device rotation notifications // Unsubscribe from device rotation notifications
if shouldUseDeviceOrientation { if shouldUseDeviceOrientation {
unsubscribeFromDeviceOrientationChangeNotifications() orientation.stop()
} }
} }
@ -519,7 +519,7 @@ open class SwiftyCamViewController: UIViewController {
movieFileOutputConnection?.isVideoMirrored = true movieFileOutputConnection?.isVideoMirrored = true
} }
movieFileOutputConnection?.videoOrientation = self.getVideoOrientation() movieFileOutputConnection?.videoOrientation = self.orientation.getVideoOrientation() ?? self.previewLayer.videoPreviewLayer.connection!.videoOrientation
// Start recording to a temporary file. // Start recording to a temporary file.
let outputFileName = UUID().uuidString let outputFileName = UUID().uuidString
@ -776,65 +776,7 @@ open class SwiftyCamViewController: UIViewController {
/// Orientation management /// Orientation management
fileprivate func subscribeToDeviceOrientationChangeNotifications() {
self.deviceOrientation = UIDevice.current.orientation
NotificationCenter.default.addObserver(self, selector: #selector(deviceDidRotate), name: NSNotification.Name.UIDeviceOrientationDidChange, object: nil)
}
fileprivate func unsubscribeFromDeviceOrientationChangeNotifications() {
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIDeviceOrientationDidChange, object: nil)
self.deviceOrientation = nil
}
@objc fileprivate func deviceDidRotate() {
if !UIDevice.current.orientation.isFlat {
self.deviceOrientation = UIDevice.current.orientation
}
}
fileprivate func getPreviewLayerOrientation() -> AVCaptureVideoOrientation {
// Depends on layout orientation, not device orientation
switch UIApplication.shared.statusBarOrientation {
case .portrait, .unknown:
return AVCaptureVideoOrientation.portrait
case .landscapeLeft:
return AVCaptureVideoOrientation.landscapeLeft
case .landscapeRight:
return AVCaptureVideoOrientation.landscapeRight
case .portraitUpsideDown:
return AVCaptureVideoOrientation.portraitUpsideDown
}
}
fileprivate func getVideoOrientation() -> AVCaptureVideoOrientation {
guard shouldUseDeviceOrientation, let deviceOrientation = self.deviceOrientation else { return previewLayer!.videoPreviewLayer.connection!.videoOrientation }
switch deviceOrientation {
case .landscapeLeft:
return .landscapeRight
case .landscapeRight:
return .landscapeLeft
case .portraitUpsideDown:
return .portraitUpsideDown
default:
return .portrait
}
}
fileprivate func getImageOrientation(forCamera: CameraSelection) -> UIImageOrientation {
guard shouldUseDeviceOrientation, let deviceOrientation = self.deviceOrientation else { return forCamera == .rear ? .right : .leftMirrored }
switch deviceOrientation {
case .landscapeLeft:
return forCamera == .rear ? .up : .downMirrored
case .landscapeRight:
return forCamera == .rear ? .down : .upMirrored
case .portraitUpsideDown:
return forCamera == .rear ? .left : .rightMirrored
default:
return forCamera == .rear ? .right : .leftMirrored
}
}
/** /**
Returns a UIImage from Image Data. Returns a UIImage from Image Data.
@ -851,7 +793,7 @@ open class SwiftyCamViewController: UIViewController {
// Set proper orientation for photo // Set proper orientation for photo
// If camera is currently set to front camera, flip image // If camera is currently set to front camera, flip image
let image = UIImage(cgImage: cgImageRef!, scale: 1.0, orientation: self.getImageOrientation(forCamera: self.currentCamera)) let image = UIImage(cgImage: cgImageRef!, scale: 1.0, orientation: self.orientation.getImageOrientation(forCamera: self.currentCamera))
return image return image
} }