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112 lines
3.7 KiB
112 lines
3.7 KiB
//
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// ImageCroper.swift
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//
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//
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// Created by shishir sapkota
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//
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import Foundation
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import RSKImageCropper
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protocol ImageCropperDelegate {
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func didCropWith(image: UIImage)
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func didFailedCropWith(error: Error)
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}
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class ImageCroper: NSObject {
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var imageCropper: RSKImageCropViewController = RSKImageCropViewController()
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weak var presentingViewController: UIViewController?
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var delegate: ImageCropperDelegate?
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fileprivate var cropRatio: CGFloat = 1
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init(presentingViewController: UIViewController) {
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super.init()
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self.presentingViewController = presentingViewController
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self.imageCropper.delegate = self
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self.imageCropper.dataSource = self
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}
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func cropImage(image: UIImage, ratio: CGFloat = 1) {
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self.cropRatio = ratio
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self.imageCropper = RSKImageCropViewController(image: image, cropMode: .custom)
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imageCropper.chooseButton.setTitle("done_text", for: .normal)
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self.imageCropper.delegate = self
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self.imageCropper.dataSource = self
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self.presentingViewController?.present(imageCropper, animated: true, completion: nil)
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}
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}
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extension ImageCroper: RSKImageCropViewControllerDelegate {
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func imageCropViewControllerDidCancelCrop(_ controller: RSKImageCropViewController) {
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presentingViewController?.dismiss(animated: true, completion: nil)
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}
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func imageCropViewController(_ controller: RSKImageCropViewController, didCropImage croppedImage: UIImage, usingCropRect cropRect: CGRect) {
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presentingViewController?.dismiss(animated: true, completion: {
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// image cropped here
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self.delegate?.didCropWith(image: croppedImage)
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})
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}
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func imageCropViewController(_ controller: RSKImageCropViewController, didCropImage croppedImage: UIImage, usingCropRect cropRect: CGRect, rotationAngle: CGFloat) {
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self.delegate?.didCropWith(image: croppedImage)
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self.imageCropper.dismiss(animated: true, completion: nil)
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}
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}
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extension ImageCroper: RSKImageCropViewControllerDataSource {
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func imageCropViewControllerCustomMaskRect(_ controller: RSKImageCropViewController) -> CGRect {
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guard let viewController = presentingViewController else {return CGRect.zero}
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var maskSize:CGSize
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let heightRatio: CGFloat = self.cropRatio //35/71
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let maskWidth:CGFloat = UIScreen.main.bounds.size.width - 40
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let maskHeight: CGFloat = CGFloat( ceilf( Float(maskWidth * heightRatio)))
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maskSize = CGSize(width: maskWidth, height: maskHeight)
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let maskRect: CGRect = CGRect(x: (viewController.view.frame.size.width - maskSize.width ) * 0.5, y: (viewController.view.frame.size.height - maskSize.height) * 0.5, width: maskSize.width, height: maskSize.height)
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return maskRect
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}
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func imageCropViewControllerCustomMaskPath(_ controller: RSKImageCropViewController) -> UIBezierPath {
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let rect = controller.maskRect;
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let point1 = CGPoint(x: rect.minX,y: rect.minY);
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let point2 = CGPoint(x: rect.maxX, y: rect.minY);
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let point3 = CGPoint(x: rect.maxX, y: rect.maxY);
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let point4 = CGPoint(x: rect.minX, y: rect.maxY);
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let rectangle = UIBezierPath()
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rectangle.move(to: point1)
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rectangle.addLine(to: point2)
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rectangle.addLine(to: point3)
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rectangle.addLine(to: point4)
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rectangle.close()
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return rectangle;
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}
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func imageCropViewControllerCustomMovementRect(_ controller: RSKImageCropViewController) -> CGRect {
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return controller.maskRect
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}
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}
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