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2014/10/15 ¤U¤È 10:05:47
iphone Programming Glossary: croppingHow 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 transformed with gestures so it becomes scaled rotated and moved around in its enclosing view. Obviously there is some cropping going on so only a part of the image is displayed. There is a huge difference between the displayed screen resolution and..
Cropping an image in iOS using OpenCV face detection http://stackoverflow.com/questions/14756505/cropping-an-image-in-ios-using-opencv-face-detection code _faceCascade.detectMultiScale mat faces 1.1 2 kHaarOptions cv Size 40 40 And inside the displayfaces functions am cropping with this code CGRect cropRect CGRectMake faces i .x faces i .y faces i .width faces i .width CGImageRef cropped_img CGImageCreateWithImageInRect.. img self nil nil Am getting the correct co ordinates of faces i . But the problem is only with cropping and setting ROI. Can some one help me in solving it I tried with the below code also again am getting the same images. i.e... 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 by Affinetransform. Will this be a reason for wrong Co ordinates or its because..
http://stackoverflow.com/questions/158914/cropping-a-uiimage and I'm a bit stumped. I've got two different theories and I'm wondering if either is on base. Theory 1 I achieve the cropping by drawing into an offscreen image context of my target size. Since I want the center portion of the image I set the CGRect..
White Text in UITextField = Invisible text in iPhone copy/paste select. Fix? http://stackoverflow.com/questions/1959512/white-text-in-uitextfield-invisible-text-in-iphone-copy-paste-select-fix containing the graphics underneath the text field. You may do it manually ”by taking a screenshot of your interface and cropping it ”or programmatically like this #import QuartzCore CALayer.h ... `view` contains the graphics underneath the text field..
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 How do you make a resizable rectangle for cropping images I'm having a trouble making a re sizable rectangle for cropping my images. I'm trying to achieve something like.. How do you make a resizable rectangle for cropping images I'm having a trouble making a re sizable rectangle for cropping my images. I'm trying to achieve something like this picture http img192.imageshack.us img192 8930 customcropbox.jpg Well.. the only problem is I have no clue where to actually start. I need some advice to how I can achieve this effect of cropping. What documentation should I read up on Core Graphics or Quartz 2d Both I've been coding for the iPhone since it's release..
http://stackoverflow.com/questions/205431/rounded-corners-on-uiimage of the UIImage drawing routines with an EXEC_BAD_ACCESS KERN_INVALID_ADDRESS . I thought this might be related to the cropping question I asked a few weeks back but I believe I'm setting up the clipping path correctly. Here's the code I'm using when..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints UIImage . Apple even have sample code to show how draw a large PDF in a Zoomable UIScrollview But the same issues keep cropping up. UIImage Method PDF's in a UIImage don't optically scale as well as a Layer approach. The CPU and memory hit on generating..
http://stackoverflow.com/questions/5880597/custom-image-mask-in-ios I have a issue with masking images. I do game puzzle and have to make custom images. I found and tried 2 way of custom cropping Using CALayer.mask property. Using UIImage.mask property. In first option i create my custom path then assign it to CAShapeLayer.path.. Resize then Crop https sites.google.com a injoit.com knowledge base for developers graphics uiimage routines scaling cropping rotating etc http www.hive05.com 2008 11 crop an image using the iphone sdk http maybelost.com 2010 11 cropping a uiimage..
What tool(s) can I use to produce iPhone App Screencasts? [closed] http://stackoverflow.com/questions/935540/what-tools-can-i-use-to-produce-iphone-app-screencasts simplifies the whole process. ScreenFlow records your entire screen but it provides excellent editing capabilities for cropping the video to the relevant 320 x 480 or 480 x 320 section as well as fading in and out title graphics or lettering. I also..
Cropping UIImage like camscanner http://stackoverflow.com/questions/10477195/cropping-uiimage-like-camscanner UIImage like camscanner I am stuck in my application feature. I want cropping feature similar to Cam Scanner Cropping... UIImage like camscanner I am stuck in my application feature. I want cropping feature similar to Cam Scanner Cropping. The screens of CAM SCANNER are I have created similar crop view. I have obtained CGPoint of four corners. But How can I..
Cropping image with transparency in iPhone http://stackoverflow.com/questions/10810798/cropping-image-with-transparency-in-iphone image with transparency in iPhone I am working on Jigsaw type of game where i have two images for masking I have implemented..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular to 'Redraw'. Add UIImage Category for the blur effect as given or use any custom class it will work for you. Method 1 Cropping the Image #pragma mark Cropping the Image UIImage croppIngimageByImageName UIImage imageToCrop toRect CGRect rect CGImageRef.. for the blur effect as given or use any custom class it will work for you. Method 1 Cropping the Image #pragma mark Cropping the Image UIImage croppIngimageByImageName UIImage imageToCrop toRect CGRect rect CGImageRef imageRef CGImageCreateWithImageInRect..
Cropping an image in iOS using OpenCV face detection http://stackoverflow.com/questions/14756505/cropping-an-image-in-ios-using-opencv-face-detection an image in iOS using OpenCV face detection I used the below code to crop a face from an image in my face detection code... that fails. To narrow down the issue the problem might be in setting 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..
http://stackoverflow.com/questions/158914/cropping-a-uiimage a UIImage I've got some code that resizes an image so I can get a scaled chunk of the center of the image I use this to..
Cropping image captured by AVCaptureSession http://stackoverflow.com/questions/5780580/cropping-image-captured-by-avcapturesession image captured by AVCaptureSession I'm writing an iPhone App which uses AVFoundation to take a photo and crop it. The App..
http://stackoverflow.com/questions/5880597/custom-image-mask-in-ios There are lots of UIImage categories out there you can use for this. Give me a moment and I'll post some links here Cropping a UIImage not really a category though but it'll fit UIImage Resize then Crop https sites.google.com a injoit.com knowledge..
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