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2014/10/15 ¤U¤È 10:10:12
iphone Programming Glossary: imagewithdataiOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior NSData pngdata UIImagePNGRepresentation self.workingImage PNG wrap UIImage img self rotateImageAppropriately UIImage imageWithData pngdata UIImageWriteToSavedPhotosAlbum img nil nil nil When I load this newly saved image into my app the imageOrientation..
UITableView with images scrolls very slowly [duplicate] http://stackoverflow.com/questions/12703297/uitableview-with-images-scrolls-very-slowly imageUrlString NSData imageData NSData dataWithContentsOfURL imageUrl UIImage image nil if imageData image UIImage imageWithData imageData if image add the image to your cache self.imageCache setObject image forKey imageUrlString finally update..
http://stackoverflow.com/questions/1286096/getting-image-from-url-server request returningResponse response error error request release self handleError error UIImage resultImage UIImage imageWithData NSData result NSLog @ urlString @ urlString return resultImage This function does not return the expected image although.. to do is grab an image from a web server via a URL there is an easier way. This is what I use UIImage myImage UIImage imageWithData NSData dataWithContentsOfURL NSURL URLWithString @ http example.com image.jpg And if you want to use it on an image view..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale char blue 255 NSData newPixelData NSData dataWithBytes rawData length height width 4 UIImage newImage UIImage imageWithData newPixelData free rawData DebugLog @ image processed return newImage So when I want to convert an image I just call processImage..
How to display a base64 image within a UIImageView? http://stackoverflow.com/questions/1366837/how-to-display-a-base64-image-within-a-uiimageview url. NSURL url NSURL URLWithString base64String NSData imageData NSData dataWithContentsOfURL url UIImage ret UIImage imageWithData imageData As mentioned in the comments you have to make sure that you prepend your data with data image png base64 no quotes..
Asynchronous request to the server from background thread http://stackoverflow.com/questions/1728631/asynchronous-request-to-the-server-from-background-thread data retain else void connectionDidFinishLoading NSURLConnection connection delegate imageDownloadDidFinish UIImage imageWithData receivedData connection release receivedData release @end Then I call this from main thread asyncImgRequest AsyncImgRequest..
http://stackoverflow.com/questions/2240765/nsdata-to-uiimage
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how the rounded corners to each corner of view. Here it is. imgVUserImg is a image view on IB. imgVUserImg.image UIImage imageWithData NSData dataWithContentsOfURL NSURL URLWithString @ any Url Here CALayer l imgVUserImg layer l setMasksToBounds YES l setCornerRadius..
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller http://stackoverflow.com/questions/2788028/how-do-i-make-uitableviewcells-imageview-a-fixed-size-even-when-the-image-is-sm cell.imageView.bounds CGRectMake 0 0 50 50 cell.imageView.frame CGRectMake 0 0 50 50 cell.imageView.image UIImage imageWithData imageData As you can see I have tried a few things but none of them work. iphone objective c uitableview uiimageview uikit..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata between UIImage imageNamed&hellip and UIImage imageWithData&hellip I want to load some images into my application from the file system. There's 2 easy ways to do this UIImage imageNamed.. pathForResource fileName ofType extension NSData imageData NSData dataWithContentsOfFile fileLocation UIImage imageWithData imageData I prefer the first one because it's a lot less code but I have seen some people saying that the image is cached..
How should I store UIImages within my Core Data database? http://stackoverflow.com/questions/3908910/how-should-i-store-uiimages-within-my-core-data-database class return value return UIImagePNGRepresentation UIImage value id reverseTransformedValue id value return UIImage imageWithData NSData value For your transformable attribute specify this subclass's name as the Value Transformer Name. You can then create..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader release if completionBlock waveFormData retain NSThread MCSM_performBlockOnMainThread ^ UIImage result UIImage imageWithData waveFormData NSLog @ returning rendered pictogram on main thread d bytes @ data in UIImage 0.0f x 0.0f pixels waveFormData.length.. YES if completionBlock waveFormData retain NSThread MCSM_performBlockOnMainThread ^ UIImage result UIImage imageWithData waveFormData NSLog @ returning rendered pictogram on main thread d bytes @ data in UIImage 0.0f x 0.0f pixels waveFormData.length..
UIWebView - Enabling Action Sheets on <img> tags http://stackoverflow.com/questions/5163831/uiwebview-enabling-action-sheets-on-img-tags @selector showStartSaveAlert withObject nil waitUntilDone YES UIImageWriteToSavedPhotosAlbum UIImage imageWithData NSData dataWithContentsOfURL NSURL URLWithString url nil nil nil self performSelectorOnMainThread @selector showFinishedSaveAlert..
Save images in NSUserDefaults? http://stackoverflow.com/questions/6648518/save-images-in-nsuserdefaults
Save An Image To Application Documents Folder From UIView On IOS http://stackoverflow.com/questions/6821517/save-an-image-to-application-documents-folder-from-uiview-on-ios Build the path like we just did above then NSData pngData NSData dataWithContentsOfFile filePath UIImage image UIImage imageWithData pngData What you'll probably want to do is make a method that creates path strings for you since you don't want that code..
loading images from a background thread using blocks http://stackoverflow.com/questions/7502073/loading-images-from-a-background-thread-using-blocks DISPATCH_QUEUE_PRIORITY_BACKGROUND 0 ^ void NSData data0 NSData dataWithContentsOfURL someURL UIImage image UIImage imageWithData data0 dispatch_sync dispatch_get_main_queue ^ void UIImageView imageView UIImageView cell viewWithTag 100 imageView.image..
Load image to a tableView from URL iphone sdk http://stackoverflow.com/questions/7565123/load-image-to-a-tableview-from-url-iphone-sdk this will set the image when loading is finished dispatch_async dispatch_get_main_queue ^ imageView.image UIImage imageWithData image Hi. But you probably need to add a dispatch_release concurrentQueue to be sure no leak. Franck Aug 25 at 19 43 share..
UIImageView and UIScrollView zooming http://stackoverflow.com/questions/8891356/uiimageview-and-uiscrollview-zooming imageOriginPoint.x imgFrame.origin.y imageOriginPoint.y NSData data request responseData UIImage image UIImage imageWithData data imageView UIImageView alloc initWithImage image imageView setUserInteractionEnabled YES imageView setBackgroundColor..
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