2014/10/15 下午 10:15:18

iphone Programming Glossary: uiimageorientationdown

Resizing UIimages pulled from the Camera also ROTATES the UIimage?

http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage

bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetWidth targetHeight CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow.. if sourceImage.imageOrientation UIImageOrientationUp NOTHING else if sourceImage.imageOrientation UIImageOrientationDown CGContextTranslateCTM bitmap targetWidth targetHeight CGContextRotateCTM bitmap radians 180. CGContextDrawImage..

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow.. bitmap radians 90 CGContextTranslateCTM bitmap targetWidth 0 else if sourceImage.imageOrientation UIImageOrientationDown NOTHING else if sourceImage.imageOrientation UIImageOrientationUp CGContextRotateCTM bitmap radians.. if orientation UIImageOrientationLeft CGContextRotateCTM context radians 90 else if orientation UIImageOrientationDown NOTHING else if orientation UIImageOrientationUp CGContextRotateCTM context radians 90 src drawAtPoint..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate.. imageSize.width imageSize.height transform CGAffineTransformRotate transform M_PI break case UIImageOrientationDownMirrored EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale..

iOS UIImagePickerController result image orientation after upload

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

Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height.. transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform CGAffineTransformRotate.. break switch self.imageOrientation case UIImageOrientationUpMirrored case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width 0 transform CGAffineTransformScale..

Resizing UIimages pulled from the Camera also ROTATES the UIimage?

http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

kCGImageAlphaNone bitmapInfo kCGImageAlphaNoneSkipLast CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef colorSpaceInfo bitmapInfo else bitmap.. UIImageOrientationLeft CGContextRotateCTM bitmap radians 90 CGContextTranslateCTM bitmap targetWidth 0 else if sourceImage.imageOrientation UIImageOrientationDown NOTHING else if sourceImage.imageOrientation UIImageOrientationUp CGContextRotateCTM bitmap radians 90 CGContextTranslateCTM bitmap 0 targetHeight CGContextDrawImage.. CGContextRotateCTM context radians 90 else if orientation UIImageOrientationLeft CGContextRotateCTM context radians 90 else if orientation UIImageOrientationDown NOTHING else if orientation UIImageOrientationUp CGContextRotateCTM context radians 90 src drawAtPoint CGPointMake 0 0 return UIGraphicsGetImageFromCurrentImageContext..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

EXIF 2 transform CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate transform M_PI break case UIImageOrientationDownMirrored.. EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate transform M_PI break case UIImageOrientationDownMirrored EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationLeftMirrored..

iOS UIImagePickerController result image orientation after upload

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

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 self.size.width self.size.height transform CGAffineTransformRotate transform.. Left Right Down and then flip if 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.. transform M_PI_2 break case UIImageOrientationUp case UIImageOrientationUpMirrored break switch self.imageOrientation case UIImageOrientationUpMirrored case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width 0 transform CGAffineTransformScale transform 1 1 break case UIImageOrientationLeftMirrored..

OpenCV install in xcode

http://stackoverflow.com/questions/12214273/opencv-install-in-xcode

CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate transform.. imageSize.width imageSize.height transform CGAffineTransformRotate transform M_PI break case UIImageOrientationDownMirrored transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform 1.0 1.0.. CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate transform..

Resizing UIimages pulled from the Camera also ROTATES the UIimage?

http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

CGContextRef bitmap if sourceImage.imageOrientation UIImageOrientationUp sourceImage.imageOrientation UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef.. CGContextRotateCTM bitmap radians 90 CGContextTranslateCTM bitmap targetWidth 0 else if sourceImage.imageOrientation UIImageOrientationDown NOTHING else if sourceImage.imageOrientation UIImageOrientationUp CGContextRotateCTM bitmap radians 90 CGContextTranslateCTM.. radians 90 else if orientation UIImageOrientationLeft CGContextRotateCTM context radians 90 else if orientation UIImageOrientationDown NOTHING else if orientation UIImageOrientationUp CGContextRotateCTM context radians 90 src drawAtPoint CGPointMake 0 0..

Force UIImagePickerController to take photo in portrait orientation/dimensions iOS

http://stackoverflow.com/questions/14484816/force-uiimagepickercontroller-to-take-photo-in-portrait-orientation-dimensions-i

self.imageView.transform CGAffineTransformMakeRotation M_PI 2 else if image.imageOrientation UIImageOrientationDown self.imageView.bounds CGRectMake 0 0 self.view.bounds.size.height self.view.bounds.size.width self.imageView.transform CGAffineTransformMakeRotation.. Apple UIImage.imageOrientation Jpeg File kCGImagePropertyOrientation UIImageOrientationUp 0 Landscape left 1 UIImageOrientationDown 1 Landscape right 3 UIImageOrientationLeft 2 Portrait down 8 UIImageOrientationRight 3 Portrait up 6 Here is a page showing..

MFMailComposeViewController image orientation

http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation

CGAffineTransformMakeTranslation imageSize.width 0.0 transform CGAffineTransformScale transform 1.0 1.0 break case UIImageOrientationDown EXIF 3 transform CGAffineTransformMakeTranslation imageSize.width imageSize.height transform CGAffineTransformRotate transform.. imageSize.width imageSize.height transform CGAffineTransformRotate transform M_PI break case UIImageOrientationDownMirrored EXIF 4 transform CGAffineTransformMakeTranslation 0.0 imageSize.height transform CGAffineTransformScale transform..

iPhone: AVCaptureSession capture output crashing (AVCaptureVideoDataOutput)

http://stackoverflow.com/questions/3331644/iphone-avcapturesession-capture-output-crashing-avcapturevideodataoutput

Convert Image to B&W problem CGContext - iPhone Dev

http://stackoverflow.com/questions/3340564/convert-image-to-bw-problem-cgcontext-iphone-dev

How to display an image on a MKOverlayView?

http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview

4 Define the rect for the image CGRect imageRect if image.imageOrientation UIImageOrientationUp image.imageOrientation UIImageOrientationDown imageRect CGRectMake 0 0 width height else imageRect CGRectMake 0 0 height width Create the imagecontext by defining the.. CGContextRotateCTM imageContext M_PI 2 CGContextTranslateCTM imageContext height 0 else if image.imageOrientation UIImageOrientationDown CGContextTranslateCTM imageContext width height CGContextRotateCTM imageContext M_PI Draw the image in the context CGContextDrawImage..

iPhone - CGImageCreateWithImageInRect rotating some camera roll pictures

http://stackoverflow.com/questions/5076617/iphone-cgimagecreatewithimageinrect-rotating-some-camera-roll-pictures

0 else if originalImage.imageOrientation UIImageOrientationUp NOTHING else if originalImage.imageOrientation UIImageOrientationDown CGContextTranslateCTM bitmap rect.size.width rect.size.height CGContextRotateCTM bitmap radians 180. CGContextDrawImage..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

iOS UIImagePickerController result image orientation after upload

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

and then flip if Mirrored. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform.. CGAffineTransform transform CGAffineTransformIdentity switch self.imageOrientation case UIImageOrientationDown case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width self.size.height transform CGAffineTransformRotate.. case UIImageOrientationUpMirrored break switch self.imageOrientation case UIImageOrientationUpMirrored case UIImageOrientationDownMirrored transform CGAffineTransformTranslate transform self.size.width 0 transform CGAffineTransformScale transform 1 1..

iphone:Image captured from camera rotate -90 degree automatically

http://stackoverflow.com/questions/9324130/iphoneimage-captured-from-camera-rotate-90-degree-automatically