2014/10/15 下午 10:14:38

iphone Programming Glossary: subimage

How can i split an image in to multiple parts?

http://stackoverflow.com/questions/1007078/how-can-i-split-an-image-in-to-multiple-parts

y imageSize.width kXSlices imageSize.height kYSlices CALayer layer CALayer layer layer.frame frame CGImageRef subimage CGImageCreateWithImageInRect drawnImage frame layer.contents id subimage CFRelease subimage splitLayers addObject layer.. layer layer.frame frame CGImageRef subimage CGImageCreateWithImageInRect drawnImage frame layer.contents id subimage CFRelease subimage splitLayers addObject layer return splitLayers Note To get an CGImageRef CGImageRef anImage myUIImage.. frame CGImageRef subimage CGImageCreateWithImageInRect drawnImage frame layer.contents id subimage CFRelease subimage splitLayers addObject layer return splitLayers Note To get an CGImageRef CGImageRef anImage myUIImage CGImage share..

Return a subimage from a UIImage

http://stackoverflow.com/questions/4475881/return-a-subimage-from-a-uiimage

a subimage from a UIImage I want to grab a subimage from a UIImage. I've looked around for a similar question to no avail. I know.. a subimage from a UIImage I want to grab a subimage from a UIImage. I've looked around for a similar question to no avail. I know the range of pixels I want to grab how can.. I've looked around for a similar question to no avail. I know the range of pixels I want to grab how can I return this subimage from an existing image iphone share improve this question This should help http iphonedevelopment.blogspot.com 2010..

create UIImageView with portion of image file

http://stackoverflow.com/questions/1049102/create-uiimageview-with-portion-of-image-file

Cropping an image in iOS using OpenCV face detection

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

context CGRectMake 0 0 rect.size.width rect.size.height draw image img drawInRect drawRect grab image UIImage subImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return subImage The Image is cropped but Not with actual.. drawRect grab image UIImage subImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return subImage The Image is cropped but Not with actual Co ordinates. My observations 1 Am cropping the image with FaceRect which is returned..

Cropping image captured by AVCaptureSession

http://stackoverflow.com/questions/5780580/cropping-image-captured-by-avcapturesession

andScaleTo CGSize size UIGraphicsBeginImageContext size CGContextRef context UIGraphicsGetCurrentContext CGImageRef subImage CGImageCreateWithImageInRect image CGImage cropRect NSLog @ NSLog @ cropRect.origin.y f cropRect.origin.y NSLog @ cropRect.origin.x.. CGContextScaleCTM context 1.0f 1.0f CGContextTranslateCTM context 0.0f size.height CGContextDrawImage context myRect subImage UIImage croppedImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext CGImageRelease subImage return..