Awesome
JBCroppableImageView
JBCroppableImageView is a subclass of UIImageView built with UIKit and CoreGraphics that adds n points on an image allowing to modify them by drag & drop to trim the extra space of an image.
Features
- Add an NSArray of specific CGPoints to a UIImageView. * Add a specific number of points. * Drag&Drop of the points. * Crops the UIImage in a UIImageView. * Respects aspect ratio. * ARC(Automatic Reference Counting) support.
Installation
- Drag the JBCroppableImageView/JBCroppableLayer files into your project. * Add the CoreGraphics framework to your project.
Usage (see example Xcode project in /TestCroping)
to set up, initialize how you would a reular UIImageView:
<code>-JBCroppableImageView *cropView = [[JBCroppableImageView alloc] initWithImage:[UIImage imageNamed:”demo”]];</code>
it will be initialized with four crop points. To add or subtract the number of points:
<code>[cropView addPoint];</code> <code>[cropView removePoint];</code>
to crop the imageView to the requested shape or to revert back to uncropped state:
<code>[cropView crop];</code> <code>[cropView reverseCrop];</code>
to retrieve the cropped image:
<code>[cropView getCroppedImage];</code> <code>[cropView getCroppedImageWithTransparentBorder:YES];</code>
*the image property of JBCroppableImageView remains as the original image
Demo
