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2014/10/15 ¤U¤È 10:15:04

iphone Programming Glossary: transform

How do I detect when someone shakes an iPhone?

http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone

motionEnded motion withEvent event BOOL canBecomeFirstResponder return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

do I apply a perspective transform to a UIView I'm looking to perform a perspective transform on a UIView such as seen in coverflow Does.. do I apply a perspective transform to a UIView I'm looking to perform a perspective transform on a UIView such as seen in coverflow Does anyonew know if this is possible I've investigated using.. programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

iOS UIImagePickerController result image orientation after upload

http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

correct if self.imageOrientation UIImageOrientationUp return self We need to calculate the proper transformation to make the image upright. We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored... We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored.. switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform CGAffineTransformRotate..

How do I detect when someone shakes an iPhone?

http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone

super respondsToSelector @selector motionEnded withEvent super motionEnded motion withEvent event BOOL canBecomeFirstResponder return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods and then selecting this new type instead..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

do I apply a perspective transform to a UIView I'm looking to perform a perspective transform on a UIView such as seen in coverflow Does anyonew know if this is possible I've investigated using.. do I apply a perspective transform to a UIView I'm looking to perform a perspective transform on a UIView such as seen in coverflow Does anyonew know if this is possible I've investigated using CALayer and have run through all the pragmatic programmer Core.. investigated using CALayer and have run through all the pragmatic programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa touch core animation share improve this question As Ben..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

iOS UIImagePickerController result image orientation after upload

http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

UIImage fixOrientation No op if the orientation is already correct if self.imageOrientation UIImageOrientationUp return self We need to calculate the proper transformation to make the image upright. We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch.. to calculate the proper transformation to make the image upright. We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform.. Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform CGAffineTransformRotate transform M_PI break case UIImageOrientationLeft case UIImageOrientationLeftMirrored..

How do I detect when someone shakes an iPhone?

http://stackoverflow.com/questions/150446/how-do-i-detect-when-someone-shakes-an-iphone

withEvent super motionEnded motion withEvent event BOOL canBecomeFirstResponder return YES @end You can easily transform any UIView even system views into a view that can get the shake event simply by subclassing the view with only these methods..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

do I apply a perspective transform to a UIView I'm looking to perform a perspective transform on a UIView such as seen in coverflow Does anyonew know if this.. do I apply a perspective transform to a UIView I'm looking to perform a perspective transform on a UIView such as seen in coverflow Does anyonew know if this is possible I've investigated using CALayer and have run.. through all the pragmatic programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa touch core animation..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

iOS UIImagePickerController result image orientation after upload

http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

is already correct if self.imageOrientation UIImageOrientationUp return self We need to calculate the proper transformation to make the image upright. We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored. CGAffineTransform.. to make the image upright. We do it in 2 steps Rotate if Left Right Down and then flip if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform.. CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform CGAffineTransformRotate transform M_PI break..

How to merge the perspective image(3D Transform)?

http://stackoverflow.com/questions/12457047/how-to-merge-the-perspective-image3d-transform

to merge the perspective image 3D Transform How to merge these two images see attached image .I am using the below code. Its working for ordinary images not for 3D.. you are looking on how to warp an homography to an image. The CoreImage programming guide specify that CIPerspectiveTransform is the way to go unfortunately for you this is not available on iOS as of iOS 5.1. So you are left with a few choices If.. s on top of each other the one containing the perspective image being transformed using a cleverly designed CATransform3D If you absolutely need to blend the images you will need to use another framework such as OpenCV warpPerspective is the..

Cropping an image in iOS using OpenCV face detection

http://stackoverflow.com/questions/14756505/cropping-an-image-in-ios-using-opencv-face-detection

reason for wrong Co ordinates or its because of bug in my code 2 I couldnt set ROI for an image before setting Affine Transform what is the reason Is this the procedure to set ROI faceRect CGRectApplyAffineTransform faceRect t But Still the cropping.. an image before setting Affine Transform what is the reason Is this the procedure to set ROI faceRect CGRectApplyAffineTransform faceRect t But Still the cropping is not done properly The difference is shown below Full Image Cropped Image iphone ios..

Selecting Text in PDF file (iphone)

http://stackoverflow.com/questions/3657550/selecting-text-in-pdf-file-iphone

CGContextRef ctx CGPDFDocumentRef doc CGPDFDocumentRetain self.document CGPDFPageRef page CGPDFDocumentGetPage doc 1 Transform the CTM compensating for flipped coordinate system CGContextTranslateCTM ctx 0.0 layer.bounds.size.height CGContextScaleCTM.. CGContextScaleCTM ctx 1.0 1.0 Draw PDF scaled to fit CGContextConcatCTM ctx CGPDFPageGetDrawingTransform page kCGPDFCropBox layer.bounds 0 YES CGContextDrawPDFPage ctx page for Selection s in self.selections CGContextSaveGState..

A NSFetchedResultsController with date as sectionNameKeyPath

http://stackoverflow.com/questions/4418703/a-nsfetchedresultscontroller-with-date-as-sectionnamekeypath

in a nutshell for a foo object with fooDate and fooDateTransient attributes you would Get your foo.fooDate attribute Transform it using the code above or similar and assign the NSDate result to foo.fooDateTransient Use fooDateTransient as your sectionNameKeyPath..

UIImageView Transform Scale

http://stackoverflow.com/questions/5059266/uiimageview-transform-scale

Transform Scale I have a UIButton that when pressed will make a UIImageView scale slightly larger and then back to its normal size... then back to normal UIView beginAnimations nil context NULL UIView setAnimationDuration 0.2 myImage.transform CGAffineTransformScale myImage.transform 1.03 1.03 UIView setAnimationDelegate self UIView commitAnimations UIView beginAnimations nil context.. commitAnimations UIView beginAnimations nil context NULL UIView setAnimationDuration 0.2 myImage.transform CGAffineTransformScale myImage.transform 0.97 0.97 UIView setAnimationDelegate self UIView commitAnimations Thanks for any help. iphone objective..

iPhone + CGAffineTransFormRotate(pi/2) + statusBarHidden:YES + presentModalViewController = 20 pixels of white space

http://stackoverflow.com/questions/563956/iphone-cgaffinetransformrotatepi-2-statusbarhiddenyes-presentmodalviewc

NewView animated NO The transform is to rotate my view created in IB to landscape before displaying it. My Transform code CGRect myFrame CGRectMake 0 0 480 320 CGAffineTransform transform self.myPeriodicTableViewController view transform.. view created in IB to landscape before displaying it. My Transform code CGRect myFrame CGRectMake 0 0 480 320 CGAffineTransform transform self.myPeriodicTableViewController view transform transform CGAffineTransformRotate transform degreesToRadians.. CGRectMake 0 0 480 320 CGAffineTransform transform self.myPeriodicTableViewController view transform transform CGAffineTransformRotate transform degreesToRadians rotationDirection 90 transform CGAffineTransformTranslate transform 20 0 self.myPeriodicTableViewController..