2014/10/15 下午 10:15:19

iphone Programming Glossary: uiimagewritetosavedphotosalbum

iOS Image Orientation has Strange Behavior

http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior

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 is 0 exactly what I want to see and.. my imageOrientation as soon as the user takes a photo and has it added to the app but it doesn't seem to work. Does UIImageWriteToSavedPhotosAlbum do something special with imageOrientation Would the best fix for this problem be to just blow away imageOrientation as..

Capture iPhone screen with status bar included?

http://stackoverflow.com/questions/1291110/capture-iphone-screen-with-status-bar-included

UIGraphicsGetCurrentContext UIImage viewImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext UIImageWriteToSavedPhotosAlbum viewImage nil nil nil The above code sucessfully takes a screenshot of the iPhone UIView but does not include the top status..

blend two uiimages

http://stackoverflow.com/questions/1309757/blend-two-uiimages

context bounds UIImage imageNamed @ over.png .CGImage UIImage outputImage UIGraphicsGetImageFromCurrentImageContext UIImageWriteToSavedPhotosAlbum outputImage self nil nil clean up drawing environment UIGraphicsEndImageContext but does not seem to work. Any suggestions..

Howe to capture UIView top UIView

http://stackoverflow.com/questions/14049796/howe-to-capture-uiview-top-uiview

UIImage tempImageSave self captureView and you can also save this image with this bellow line for photo album.. UIImageWriteToSavedPhotosAlbum tempImageSave nil nil nil and you can also save this image with this bellow line for Document Directory.. NSData imageData..

Cropping an image in iOS using OpenCV face detection

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

CGImageCreateWithImageInRect self.storeImage.CGImage cropRect UIImage img UIImage imageWithCGImage cropped_img UIImageWriteToSavedPhotosAlbum img self nil nil Am getting the correct co ordinates of faces i . But the problem is only with cropping and setting ROI... .width faces i .height cv Mat testMat roi .copyTo image_roi UIImage img CaptureViewController imageWithCVMat image_roi UIImageWriteToSavedPhotosAlbum img self nil nil Note I am detecting the face in live video stream using opencv facedetect. I can get the green rectangle..

How can I get a writable path on the iPhone?

http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone

the photo library you cannot use file system calls to do this instead you have to have a UIImage in memory and use the UIImageWriteToSavedPhotosAlbum function call defined by UIKit. You have no control over the destination format or compression levels and cannot attach..

How to save picture to iPhone photo library?

http://stackoverflow.com/questions/178915/how-to-save-picture-to-iphone-photo-library

photo library on the iPhone iphone cocoa touch camera share improve this question You can use this function UIImageWriteToSavedPhotosAlbum UIImage image id completionTarget SEL completionSelector void contextInfo You only need completionTarget completionSelector..

How do I create/render a UIImage from a 3D transformed UIImageView?

http://stackoverflow.com/questions/1949003/how-do-i-create-render-a-uiimage-from-a-3d-transformed-uiimageview

nil alert show alert release IBAction saveButtonClicked id sender UIImage newImage self captureView imageView UIImageWriteToSavedPhotosAlbum newImage self @selector imageSavedToPhotosAlbum didFinishSavingWithError contextInfo nil iphone cocoa touch core animation..

UIImage Saving image with file name on the iPhone

http://stackoverflow.com/questions/2264039/uiimage-saving-image-with-file-name-on-the-iphone

Saving image with file name on the iPhone How can I save an image like using UIImageWriteToSavedPhotosAlbum method with a filename of my choice to the private var folder iphone uiimage uiimagepickercontroller sandbox save image..

iPhone: How do I get the file path of an image saved with UIImageWriteToSavedPhotosAlbum()?

http://stackoverflow.com/questions/4457904/iphone-how-do-i-get-the-file-path-of-an-image-saved-with-uiimagewritetosavedpho

How do I get the file path of an image saved with UIImageWriteToSavedPhotosAlbum I'm saving a merged image to the iPhone photo library using UIImageWriteToSavedPhotosAlbum viewImage self @selector savedPhotoImage.. of an image saved with UIImageWriteToSavedPhotosAlbum I'm saving a merged image to the iPhone photo library using UIImageWriteToSavedPhotosAlbum viewImage self @selector savedPhotoImage didFinishSavingWithError contextInfo nil And getting the callback using void savedPhotoImage.. improve this question I finally found out the answer. Apparently the UIImage methods strip out metadata and so using UIImageWriteToSavedPhotosAlbum is no good. However in ios4 Apple put in a new framework to handle the photo library called the ALAssetsLibrary. First you..

layer.renderInContext doesn't take layer.mask into account?

http://stackoverflow.com/questions/4896296/layer-renderincontext-doesnt-take-layer-mask-into-account

UIGraphicsGetCurrentContext UIImage saver UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext UIImageWriteToSavedPhotosAlbum saver self @selector image didFinishSavingWithError contextInfo nil EDIT This applies the mask correctly IBAction saveImage.. context saver UIImage alloc initWithCGImage mergeResult CGContextRelease context CGImageRelease mergeResult UIImageWriteToSavedPhotosAlbum saver self @selector image didFinishSavingWithError contextInfo nil iphone objective c ios uiimage mask share improve..

UIWebView - Enabling Action Sheets on <img> tags

http://stackoverflow.com/questions/5163831/uiwebview-enabling-action-sheets-on-img-tags

NSString url self performSelectorOnMainThread @selector showStartSaveAlert withObject nil waitUntilDone YES UIImageWriteToSavedPhotosAlbum UIImage imageWithData NSData dataWithContentsOfURL NSURL URLWithString url nil nil nil self performSelectorOnMainThread..

How to take picture from Camera & saved in Photo Gallery by programmatically?

http://stackoverflow.com/questions/6812634/how-to-take-picture-from-camera-saved-in-photo-gallery-by-programmatically

only if it wasnt already saved i.e. its just been taken if picker.sourceType UIImagePickerControllerSourceTypeCamera UIImageWriteToSavedPhotosAlbum photoTaken self @selector image didFinishSavingWithError contextInfo nil picker dismissModalViewControllerAnimated YES..

How to save recorded video into photo album?

http://stackoverflow.com/questions/9991332/how-to-save-recorded-video-into-photo-album

album. if mediaType isEqualToString NSString kUTTypeImage image info objectForKey UIImagePickerControllerEditedImage UIImageWriteToSavedPhotosAlbum image self @selector image finishedSavingWithError contextInfo nil How to save Recoded video into photoAlbum iphone..