Layer draws out of clip region, you need to set it to mask to bounds: self.mainImageView.layer.masksToBounds = true From the docs: By default, the corner radius does not apply to the image in the layer’s contents property; it applies only to the background color and border of the layer. However, setting the masksToBounds property to … Read more
Draw text inside an image and return the resulting image: +(UIImage*) drawText:(NSString*) text inImage:(UIImage*) image atPoint:(CGPoint) point { UIFont *font = [UIFont boldSystemFontOfSize:12]; UIGraphicsBeginImageContext(image.size); [image drawInRect:CGRectMake(0,0,image.size.width,image.size.height)]; CGRect rect = CGRectMake(point.x, point.y, image.size.width, image.size.height); [[UIColor whiteColor] set]; [text drawInRect:CGRectIntegral(rect) withFont:font]; UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return newImage; } Usage: // note: replace “ImageUtils” with the class … Read more
Simply set the cornerRadius to half of the width or height (assuming your object’s view is square). For example, if your object’s view’s width and height are both 50: itemImageView.layer.cornerRadius = 25; Update – As user atulkhatri points out, it won’t work if you don’t add: itemImageView.layer.masksToBounds = YES;
UIImageView* animatedImageView = [[UIImageView alloc] initWithFrame:self.view.bounds]; animatedImageView.animationImages = [NSArray arrayWithObjects: [UIImage imageNamed:@”image1.gif”], [UIImage imageNamed:@”image2.gif”], [UIImage imageNamed:@”image3.gif”], [UIImage imageNamed:@”image4.gif”], nil]; animatedImageView.animationDuration = 1.0f; animatedImageView.animationRepeatCount = 0; [animatedImageView startAnimating]; [self.view addSubview: animatedImageView]; You can load more than one gif images. You can split your gif using the following ImageMagick command: convert +adjoin loading.gif out%d.gif
If I understand, what you want to do is disregard the orientation of the UIImage? If so then you could do this: UIImage *originalImage = [… whatever …]; UIImage *imageToDisplay = [UIImage imageWithCGImage:[originalImage CGImage] scale:[originalImage scale] orientation: UIImageOrientationUp]; So you’re creating a new UIImage with the same pixel data as the original (referenced via its … Read more
you can use setAccessibilityIdentifier method for any subclass of UIView UIImageView *image ; [image setAccessibilityIdentifier:@”file name”] ; NSString *file_name = [image accessibilityIdentifier] ;
I just needed to do this, but thought Steven’s solution would be slow. This should hopefully use graphics HW. Create a category on UIImage: – (UIImage *)imageByApplyingAlpha:(CGFloat) alpha { UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f); CGContextRef ctx = UIGraphicsGetCurrentContext(); CGRect area = CGRectMake(0, 0, self.size.width, self.size.height); CGContextScaleCTM(ctx, 1, -1); CGContextTranslateCTM(ctx, 0, -area.size.height); CGContextSetBlendMode(ctx, kCGBlendModeMultiply); CGContextSetAlpha(ctx, alpha); CGContextDrawImage(ctx, area, … Read more
UIImageView pinch zoom with UIScrollView || image zooming ios in swift 3 and Xcode 8 letter Youtube video URL set uiscrollview Delegate in storyboard class PhotoDetailViewController: UIViewController, UIScrollViewDelegate { @IBOutlet weak var scrollView: UIScrollView! @IBOutlet weak var imgPhoto: UIImageView! override func viewDidLoad() { super.viewDidLoad() scrollView.minimumZoomScale = 1.0 scrollView.maximumZoomScale = 6.0 // scrollView.delegate = self – … Read more
import UIKit class ViewController: UIViewController { @IBOutlet weak var image: UIImageView! override func viewDidLoad() { super.viewDidLoad() image.layer.borderWidth = 1 image.layer.masksToBounds = false image.layer.borderColor = UIColor.black.cgColor image.layer.cornerRadius = image.frame.height/2 image.clipsToBounds = true } If you want it on an extension import UIKit extension UIImageView { func makeRounded() { layer.borderWidth = 1 layer.masksToBounds = false layer.borderColor = … Read more
You can stop all animations on a view by calling: [view.layer removeAllAnimations]; (You’ll need to import the QuartzCore framework to call methods on view.layer). If you want to stop a specific animation, not all animations, your best best bet is to use CAAnimations explicitly rather than the UIView animation helper methods, then you will have … Read more