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2014/10/15 ¤U¤È 10:15:18
iphone Programming Glossary: uiimagejpegrepresentationUIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos taking a snapshot. In theory if we use the selected from the UIkit category for UIImage NSData UIImageJPEGRepresentation UIImage image CGFloat compressionQuality Then we can convert the UIImage into a NSData instance and.. NSDictionary editingInfo NSLog @ image picked @ with info @ image editingInfo NSData jpegData UIImageJPEGRepresentation image 0.5 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifData.. CLLocation NSData geotagImage UIImage image withLocation CLLocation imageLocation NSData jpegData UIImageJPEGRepresentation image 0.8 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifMetaData..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone
upload image from iphone to the server folder http://stackoverflow.com/questions/1939335/upload-image-from-iphone-to-the-server-folder object getting the image back out of the UIImageView setting the quality to 90 NSData imageData UIImageJPEGRepresentation image.image 90 setting up the URL to post to NSString urlString @ http iphone.zcentric.com test upload.php..
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 @ boundary request addValue contentType forHTTPHeaderField @ Content Type file NSData imageData UIImageJPEGRepresentation imageView.image 90 body appendData NSString stringWithFormat @ @ r n boundary dataUsingEncoding NSUTF8StringEncoding..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload request setShouldContinueWhenAppEntersBackground YES other post keys values request setFile UIImageJPEGRepresentation self.image 100.0f withFileName NSString stringWithFormat @ d.jpg NSDate date timeIntervalSinceNow andContentType..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6 This creates an NSData instance containing the raw bytes for a JPEG image at a 60 quality..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos input and the UIImagePickerController returns a UIImage after taking a snapshot. In theory if we use the selected from the UIkit category for UIImage NSData UIImageJPEGRepresentation UIImage image CGFloat compressionQuality Then we can convert the UIImage into a NSData instance and then use it with the iPhone exif library. UPDATE I gave a test.. picker didFinishPickingImage UIImage image editingInfo NSDictionary editingInfo NSLog @ image picked @ with info @ image editingInfo NSData jpegData UIImageJPEGRepresentation image 0.5 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifData jpegScanner.exifMetaData EXFJFIF jfif jpegScanner.jfif.. that uses exif iPhone library to geotag the UIImage from the CLLocation NSData geotagImage UIImage image withLocation CLLocation imageLocation NSData jpegData UIImageJPEGRepresentation image 0.8 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifMetaData jpegScanner.exifMetaData end of helper methods adding..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone
upload image from iphone to the server folder http://stackoverflow.com/questions/1939335/upload-image-from-iphone-to-the-server-folder share improve this question turning the image into a NSData object getting the image back out of the UIImageView setting the quality to 90 NSData imageData UIImageJPEGRepresentation image.image 90 setting up the URL to post to NSString urlString @ http iphone.zcentric.com test upload.php setting up the request object now NSMutableURLRequest..
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 NSString stringWithFormat @ multipart form data boundary @ boundary 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 stringWithString @..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload setDelegate self request setStringEncoding NSUTF8StringEncoding request setShouldContinueWhenAppEntersBackground YES other post keys values request setFile UIImageJPEGRepresentation self.image 100.0f withFileName NSString stringWithFormat @ d.jpg NSDate date timeIntervalSinceNow andContentType @ image jpg forKey @ imageFile request startAsynchronous..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6 This creates an NSData instance containing the raw bytes for a JPEG image at a 60 quality setting. The contents of that NSData instance can then be..
How to share or post by mail, twitter and facebook from the current application? http://stackoverflow.com/questions/10860652/how-to-share-or-post-by-mail-twitter-and-facebook-from-the-current-application setSubject @ Hello your subject here Set up recipients UIImage image UIImage imageNamed @ anyImage.png NSData myData UIImageJPEGRepresentation image 1.0 picker addAttachmentData myData mimeType @ image jpg fileName @ image self presentModalViewController picker animated..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos returns a UIImage after taking a snapshot. In theory if we use the selected from the UIkit category for UIImage NSData UIImageJPEGRepresentation UIImage image CGFloat compressionQuality Then we can convert the UIImage into a NSData instance and then use it with the.. image editingInfo NSDictionary editingInfo NSLog @ image picked @ with info @ image editingInfo NSData jpegData UIImageJPEGRepresentation image 0.5 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifData jpegScanner.exifMetaData.. the UIImage from the CLLocation NSData geotagImage UIImage image withLocation CLLocation imageLocation NSData jpegData UIImageJPEGRepresentation image 0.8 EXFJpeg jpegScanner EXFJpeg alloc init jpegScanner scanImageData jpegData EXFMetaData exifMetaData jpegScanner.exifMetaData..
Upload File to FTP Server on iPhone http://stackoverflow.com/questions/1266176/upload-file-to-ftp-server-on-iphone
http://stackoverflow.com/questions/1389655/iphone-email-attachment setSubject @ This is iPhone email attachment test UIImage sampleImg UIImage imageNamed @ iPhone.jpg NSData imageData UIImageJPEGRepresentation sampleImg 1 picker addAttachmentData imageData mimeType @ image png fileName @ iPhone.jpg NSString emailBody @ I am sending..
upload image from iphone to the server folder http://stackoverflow.com/questions/1939335/upload-image-from-iphone-to-the-server-folder image into a NSData object getting the image back out of the UIImageView setting the quality to 90 NSData imageData UIImageJPEGRepresentation image.image 90 setting up the URL to post to NSString urlString @ http iphone.zcentric.com test upload.php setting up the..
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation mailVC MFMailComposeViewController new NSArray aAddr NSArray arrayWithObjects gAddr nil NSData imageAsNSData UIImageJPEGRepresentation gImag mailVC setMailComposeDelegate self mailVC setToRecipients aAddr mailVC setSubject gSubj mailVC addAttachmentData imageAsNSData.. CGFloat width CGImageGetWidth gImag.CGImage CGFloat height CGImageGetHeight gImag.CGImage NSData imageAsNSData UIImageJPEGRepresentation gImag mailVC setMailComposeDelegate self mailVC setToRecipients aAddr mailVC setSubject gSubj mailVC addAttachmentData imageAsNSData.. orient tmp.imageOrientation width CGImageGetWidth tmp.CGImage height CGImageGetHeight tmp.CGImage NSData imageAsNSData UIImageJPEGRepresentation tmp mailVC setMailComposeDelegate self mailVC setToRecipients aAddr mailVC setSubject gSubj mailVC addAttachmentData imageAsNSData..
http://stackoverflow.com/questions/2240765/nsdata-to-uiimage image to disk converting it to NSData then retrieving it. I convert the image to NSData like so... NSData topImageData UIImageJPEGRepresentation topImage 1.0 then I write it to disk like so... topImageData writeToFile topPathToFile atomically NO then I tried to retrieve.. path pathArr objectAtIndex 0 stringByAppendingPathComponent @ img.data convert the image to NSData object NSData data UIImageJPEGRepresentation myImage 1.0 data writeToFile path atomically YES retrieving the saved data NSData retrievedData NSData dataWithContentsOfFile..
UIImage Saving image with file name on the iPhone http://stackoverflow.com/questions/2264039/uiimage-saving-image-with-file-name-on-the-iphone I always think code is more helpful. I do this in the didFinishPickingImage UIImage img method NSData imageData UIImageJPEGRepresentation img 1.0 save to the default 100Apple Camera Roll folder. imageData writeToFile @ private var mobile Media DCIM 100APPLE..
UIImage to base64 String Encoding http://stackoverflow.com/questions/3889478/uiimage-to-base64-string-encoding from here header and implementation Then convert your UIImage object into NSData the following way NSData imageData UIImageJPEGRepresentation image 1.0 And then apply Base64 encoding to convert it into a base64 encoded string NSString encodedString imageData base64Encoding..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader some defines and a few generic class methods for handling path names etc #define imgExt @ jpg #define imageToData x UIImageJPEGRepresentation x 4 #define imgExt @ png #define imageToData x UIImagePNGRepresentation x NSString assetCacheFolder NSArray assetFolderRoot..
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 form data boundary @ boundary request addValue contentType forHTTPHeaderField @ Content Type file NSData imageData UIImageJPEGRepresentation imageView.image 90 body appendData NSString stringWithFormat @ @ r n boundary dataUsingEncoding NSUTF8StringEncoding body..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload NSUTF8StringEncoding request setShouldContinueWhenAppEntersBackground YES other post keys values request setFile UIImageJPEGRepresentation self.image 100.0f withFileName NSString stringWithFormat @ d.jpg NSDate date timeIntervalSinceNow andContentType @ image..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6 This creates an NSData instance containing the raw bytes for a JPEG image at a 60 quality setting. The contents..
NSData and Uploading Images via POST in iOS http://stackoverflow.com/questions/8042360/nsdata-and-uploading-images-via-post-in-ios @ @ r n _params objectForKey param dataUsingEncoding NSUTF8StringEncoding add image data NSData imageData UIImageJPEGRepresentation imageToPost 1.0 if imageData body appendData NSString stringWithFormat @ @ r n boundary dataUsingEncoding NSUTF8StringEncoding..
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