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2014/10/15 ¤U¤È 10:10:12
iphone Programming Glossary: imageview.imageCheckbox image toggle in UITableViewCell http://stackoverflow.com/questions/1171476/checkbox-image-toggle-in-uitableviewcell property to update the image that will trigger the redraw without side effects. void toggleImage selected selected imageView.image selected selectedImage normalImage Use NSNotification or other method to notify data model about state change. Notification..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone
Boundry detect paper sheet opencv http://stackoverflow.com/questions/13493035/boundry-detect-paper-sheet-opencv sheet so my image quality remain unaffected. what I am Missing.. My code is below. Many thanks. void forOpenCV if imageView.image nil cv Mat greyMat self cvMatFromUIImage imageView.image vector vector cv Point squares cv Mat img self debugSquares squares.. am Missing.. My code is below. Many thanks. void forOpenCV if imageView.image nil cv Mat greyMat self cvMatFromUIImage imageView.image vector vector cv Point squares cv Mat img self debugSquares squares greyMat imageView.image self UIImageFromCVMat img cv.. self cvMatFromUIImage imageView.image vector vector cv Point squares cv Mat img self debugSquares squares greyMat imageView.image self UIImageFromCVMat img cv Mat debugSquares std vector std vector cv Point squares cv Mat image NSLog @ lu squares.size..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular two Images UIImage addImageToImage UIImage img withImage2 UIImage img2 andRect CGRect cropRect CGSize size CGSizeMake imageView.image.size.width imageView.image.size.height UIGraphicsBeginImageContext size CGPoint pointImg1 CGPointMake 0 0 img drawAtPoint.. UIImage img withImage2 UIImage img2 andRect CGRect cropRect CGSize size CGSizeMake imageView.image.size.width imageView.image.size.height UIGraphicsBeginImageContext size CGPoint pointImg1 CGPointMake 0 0 img drawAtPoint pointImg1 CGPoint pointImg2.. croppedImg nil UITouch touch touches anyObject CGPoint currentPoint touch locationInView self.imageView double ratioW imageView.image.size.width imageView.frame.size.width double ratioH imageView.image.size.height imageView.frame.size.height currentPoint.x..
Saving image to Documents directory and retrieving for email attachment http://stackoverflow.com/questions/2037432/saving-image-to-documents-directory-and-retrieving-for-email-attachment 0 NSString savedImagePath documentsDirectory stringByAppendingPathComponent @ savedImage.png UIImage image imageView.image imageView is my image from camera NSData imageData UIImagePNGRepresentation image imageData writeToFile savedImagePath atomically..
How to animate the change of image in an UIImageView? http://stackoverflow.com/questions/2834573/how-to-animate-the-change-of-image-in-an-uiimageview effect can be achieved using CoreAnimation. Sample example for this approach #import QuartzCore QuartzCore.h ... imageView.image UIImage imageNamed i 2 @ 3.jpg @ 4.jpg CATransition transition CATransition animation transition.duration 1.0f transition.timingFunction..
Problem dealloc'ing memory used by UIImageViews with fairly large image in an UIScrollView http://stackoverflow.com/questions/289360/problem-deallocing-memory-used-by-uiimageviews-with-fairly-large-image-in-an-ui stringWithFormat @ @ d.png self.nibName imageView.tag UIImage loadImage UIImage imageWithContentsOfFile fullpath imageView.image loadImage So adding that to my code above the full function looks like this CGFloat findHeight UIImageView imageView nil..
how to add watermark on a exist image http://stackoverflow.com/questions/4068035/how-to-add-watermark-on-a-exist-image 0 0 blendMode kCGBlendModeNormal alpha WATERMARK_ALPHA Save the results directly to the image view property imageView.image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext but I am not sure whether this best way. iphone share..
How can i get the name of image picked through photo library in iphone? http://stackoverflow.com/questions/4314405/how-can-i-get-the-name-of-image-picked-through-photo-library-in-iphone picker didFinishPickingMediaWithInfo NSDictionary info picker dismissModalViewControllerAnimated YES imageView.image info objectForKey @ UIImagePickerControllerOriginalImage How will i get the actual name of image I m new in iphone. Please..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file HPDF_ functions are from libHaru void addImageView UIImageView imageView NSData pngData UIImagePNGRepresentation imageView.image if pngData nil HPDF_Image image HPDF_LoadPngImageFromMem _pdf pngData bytes pngData length if image NULL CGRect destRect..
Objective C: How to upload image and text using HTTP POST? http://stackoverflow.com/questions/5422028/objective-c-how-to-upload-image-and-text-using-http-post request addValue contentType forHTTPHeaderField @ Content Type file NSData imageData UIImageJPEGRepresentation imageView.image 90 body appendData NSString stringWithFormat @ @ r n boundary dataUsingEncoding NSUTF8StringEncoding body appendData NSString..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload didFinishPickingMediaWithInfo NSDictionary info self.image info objectForKey UIImagePickerControllerOriginalImage imageView.image self.image self.navigationController dismissModalViewControllerAnimated YES submitButton.enabled YES I then at some point..
How can I use CGContextDrawTiledImage to tile an image? http://stackoverflow.com/questions/679925/how-can-i-use-cgcontextdrawtiledimage-to-tile-an-image imageViewSize tileImage UIImage finishedImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext imageView.image finishedImage This will create a bitmap image context of the desired size tile the image into that context get a UIImage..
loading images from a background thread using blocks http://stackoverflow.com/questions/7502073/loading-images-from-a-background-thread-using-blocks
Load image to a tableView from URL iphone sdk http://stackoverflow.com/questions/7565123/load-image-to-a-tableview-from-url-iphone-sdk imageURL 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..
cellForRowAtIndexPath memory management http://stackoverflow.com/questions/8859735/cellforrowatindexpath-memory-management indexPath.row objectAtIndex dateIndex cell addSubview label IMAGE UIImageView imageView UIImageView alloc init imageView.image musicList.list objectAtIndex indexPath.row objectAtIndex imageIndex imageView.frame CGRectMake 8 9 44 44 imageView.layer..
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