2014/10/15 下午 10:05:47

iphone Programming Glossary: cropped

Cropping image with transparency in iPhone

http://stackoverflow.com/questions/10810798/cropping-image-with-transparency-in-iphone

i orgImg is original cat image frmImg frame for holding individual piece masked in photoshop and cropImg is 106x106 cropped image of original cat@2x.png. my function for cropping is as following UIImage cropImage UIImage originalImage withRect.. share improve this question UPDATE Thanks for updated question. I managed to get this As You can see jigsaw item is cropped correctly and it is in square imageView green color is UIImageView backgroundColor . So what I did was CGRect rect CGRectMake.. maskImage originalCatImage masking so that from full cat image would be visible second jigsaw item UIImage croppedJigSawItemImage self fullJigSawItemImage withRect rect cropping so that we would get small image with jigsaw item centered..

How to get a rotated, zoomed and panned image from an UIImageView at its full resolution?

http://stackoverflow.com/questions/11104042/how-to-get-a-rotated-zoomed-and-panned-image-from-an-uiimageview-at-its-full-re

resolution I have an UIImageView which can be rotated panned and scaled with gesture recognisers. As a result it is cropped in its enclosing view. Everything is working fine but I don't know how to save the visible part of the picture in its full..

Blur an image of specific part (rectangular, circular)?

http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular

imageToCrop toRect CGRect rect CGImageRef imageRef CGImageCreateWithImageInRect imageToCrop CGImage rect UIImage cropped UIImage imageWithCGImage imageRef CGImageRelease imageRef return cropped Method 2 Merge the two Images #pragma mark Marge.. imageToCrop CGImage rect UIImage cropped UIImage imageWithCGImage imageRef CGImageRelease imageRef return cropped Method 2 Merge the two Images #pragma mark Marge two Images UIImage addImageToImage UIImage img withImage2 UIImage img2.. nil Method 4 Touch Move #pragma mark Touch Methods void touchesMoved NSSet touches withEvent UIEvent event UIImage croppedImg nil UITouch touch touches anyObject CGPoint currentPoint touch locationInView self.imageView double ratioW imageView.image.size.width..

Cropping an image in iOS using OpenCV face detection

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

am cropping with this code CGRect cropRect CGRectMake faces i .x faces i .y faces i .width faces i .width CGImageRef cropped_img CGImageCreateWithImageInRect self.storeImage.CGImage cropRect UIImage img UIImage imageWithCGImage cropped_img UIImageWriteToSavedPhotosAlbum.. cropped_img 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.. ROI for the image Updated on 11 02 13 I have Done Cropping as below but ROI is not Set properly and the image is not cropped well I found the issue for my above post thanks @Jameo to pointing me that its because of Rotation issue. I have Rotated..

iPhone - How do you make a resizable rectangle for cropping images?

http://stackoverflow.com/questions/1971542/iphone-how-do-you-make-a-resizable-rectangle-for-cropping-images

nil return CGPoint offset scrollView.contentOffset clipRect CGRectOffset self.frame offset.x offset.y UIImage croppedImage image croppedImage clipRect CGContextRef ctx UIGraphicsGetCurrentContext croppedImage drawAtPoint CGPointMake 0 0 Note.. CGPoint offset scrollView.contentOffset clipRect CGRectOffset self.frame offset.x offset.y UIImage croppedImage image croppedImage clipRect CGContextRef ctx UIGraphicsGetCurrentContext croppedImage drawAtPoint CGPointMake 0 0 Note my cropping view.. offset.x offset.y UIImage croppedImage image croppedImage clipRect CGContextRef ctx UIGraphicsGetCurrentContext croppedImage drawAtPoint CGPointMake 0 0 Note my cropping view is NOT a descendant of UIImageView it's just UIView with a reference..

Must drawInRect: for a separate context be executed on the main thread?

http://stackoverflow.com/questions/3207536/must-drawinrect-for-a-separate-context-be-executed-on-the-main-thread

cropping happens here. image UIImage imageWithCGImage sourceImg scale 0.0 orientation self.imageOrientation create cropped UIImage. image drawInRect destRect the actual scaling happens here and orientation is taken care of automatically. CGImageRelease..

UIWebView font is thinner in portrait than landscape

http://stackoverflow.com/questions/3220662/uiwebview-font-is-thinner-in-portrait-than-landscape

be the case in Safari only in my app. Here is an example image taken as a screenshot on the iPad. I have rotated and cropped an example section. I have the following CSS configured but it seems to prevent the drastic font size change not the subtle..

Fitting a UIDatePicker into a UIActionSheet

http://stackoverflow.com/questions/349858/fitting-a-uidatepicker-into-a-uiactionsheet

a UIActionSheet I'm trying to get a UIDatePicker with a UIButton to show up in a UIActionSheet. Unfortunately it gets cropped off and the entire Date Picker is not visible. I have not even attempted to add the UIButton yet. Can anyone suggest on..

HTML <select> element is abbreviated in iPhone or Android browsers

http://stackoverflow.com/questions/4554831/html-select-element-is-abbreviated-in-iphone-or-android-browsers

the optgroup tag here . That's quite a nice idea and will be a small workaround but is not enough as the IBAN is still cropped by both iPhone and Android browsers I already know the very nice looking jQuery UI Selectmenu prototype . Unfortunately..

how to crop image in to pieces programmatically

http://stackoverflow.com/questions/4743242/how-to-crop-image-in-to-pieces-programmatically

that was tapped on. The idea is to take a UIImage and use CGImageCreateWithImageInRect to crop out pieces. From the cropped piece create a new UIImage and place it in a UIImageView. In order to get the tap gesture to work I had to place the UIImageView..

OGG Vorbis in iPhone sdk

http://stackoverflow.com/questions/4745618/ogg-vorbis-in-iphone-sdk

support for ogg file playback. However it hasn't been updated since iOS 2.x and there are numerous issues that have cropped up since then that it doesn't handle. Why do you need to play ogg files If you convert them to aac you will be able to play..

Create layer mask with custom-shaped hole

http://stackoverflow.com/questions/5721196/create-layer-mask-with-custom-shaped-hole

to combine two paths into a single UIBezierPath in opposite directions. So e.g. create a path of the inner area to be cropped CW . NOTE x y w h are referring to the origin and size of the hole . path moveToPoint ccp x y path addLineToPoint ccp x..

Cropping image captured by AVCaptureSession

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

reader It uses a AVCaptureVideoPreviewLayer with an overlay. The overlay has a square. I want to crop the image so the cropped image is exactly what the user has places inside the square. The preview layer has gravity AVLayerVideoGravityResizeAspectFill... context 1.0f 1.0f CGContextTranslateCTM context 0.0f size.height CGContextDrawImage context myRect subImage UIImage croppedImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext CGImageRelease subImage return croppedImage share..

Custom image mask in iOS

http://stackoverflow.com/questions/5880597/custom-image-mask-in-ios

assign it to CAShapeLayer.path property then assign CAShapeLayer to CALayer.mask property. At the end i have custom cropped image. In second option i use firstly use CGImageMaskCreate method i use previously created black mask images of puzzle..

How to properly crop an image taken on iPhone 4G (with EXIF rotation data)?

http://stackoverflow.com/questions/7203847/how-to-properly-crop-an-image-taken-on-iphone-4g-with-exif-rotation-data

downloaded off of the internet or images that were taken by my iPhone 3G. iPhone 4G camera photos appear to be getting cropped in totally random parts of the image after when that rotation code is called. I even tried using this code Resizing UIimages..