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2014/10/15 ¤U¤È 10:05:47
iphone Programming Glossary: cropHow to crop the image using UIBezierPath? http://stackoverflow.com/questions/13153223/how-to-crop-the-image-using-uibezierpath to crop the image using UIBezierPath I want to get the image from the UIBezierpath closed path See the image . I draw the image..
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. But I am not getting the proper face images and I am getting some part of.. 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.. 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 self.storeImage.CGImage..
http://stackoverflow.com/questions/158914/cropping-a-uiimage an image similar to what's seen in the album view of the Photos app. I know I could use a UIImageView and adjust the crop mode to achieve the same results but these images are sometimes displayed in UIWebViews . I've started to notice some crashes.. 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.. will help you out. Here's a short example using it CGImageRef imageRef CGImageCreateWithImageInRect largeImage CGImage cropRect or use the UIImage wherever you like UIImageView setImage UIImage imageWithCGImage imageRef CGImageRelease imageRef..
http://stackoverflow.com/questions/2635371/how-to-crop-the-uiimage to crop the UIImage I develop an application in which i process the image using its pixels but in that image processing it takes.. in which i process the image using its pixels but in that image processing it takes a lot of time. Therefore i want to crop UIImage Only middle part of image i.e. removing croping bordered part of image .I have the develop code are NSInteger processImage1.. that image processing it takes a lot of time. Therefore i want to crop UIImage Only middle part of image i.e. removing croping bordered part of image .I have the develop code are NSInteger processImage1 UIImage image CGFloat width image.size.width..
How to get the size of a NSString http://stackoverflow.com/questions/2669063/how-to-get-the-size-of-a-nsstring to see if the string width of a string to see if it is bigger than a given width of screen case in which I have to crop it and append it with ... getting the usual behavior of a UILabel. string.length won't do the trick since AAAAAAAA and iiiiii..
how to fit pdf page in entire view http://stackoverflow.com/questions/4321681/how-to-fit-pdf-page-in-entire-view layer.bounds.size.width pageSize.width else scalingRatio layer.bounds.size.height 41 pageSize.height CGRect cropBox CGPDFPageGetBoxRect myPageRef kCGPDFCropBox CGRect targetRect layer.bounds CGFloat xScale targetRect.size.width cropBox.size.width.. CGPDFPageGetBoxRect myPageRef kCGPDFCropBox CGRect targetRect layer.bounds CGFloat xScale targetRect.size.width cropBox.size.width CGFloat yScale targetRect.size.height 41 cropBox.size.height CGFloat scaleToApply xScale yScale xScale yScale.. layer.bounds CGFloat xScale targetRect.size.width cropBox.size.width CGFloat yScale targetRect.size.height 41 cropBox.size.height CGFloat scaleToApply xScale yScale xScale yScale CGContextTranslateCTM ctx 0.0 41 layer.bounds.size.height..
problem with rendering pdf on the entire screen of pdf http://stackoverflow.com/questions/4634331/problem-with-rendering-pdf-on-the-entire-screen-of-pdf @ page size of the book is @ NSStringFromCGSize pageSize CGFloat aspectRatio pageSize.width pageSize.height CGRect cropBox CGPDFPageGetBoxRect myPageRef kCGPDFCropBox CGRect targetRect layer.bounds CGFloat xScale targetRect.size.width cropBox.size.width.. CGPDFPageGetBoxRect myPageRef kCGPDFCropBox CGRect targetRect layer.bounds CGFloat xScale targetRect.size.width cropBox.size.width CGFloat yScale targetRect.size.height 41 cropBox.size.height CGFloat scaleToApply xScale yScale xScale yScale.. layer.bounds CGFloat xScale targetRect.size.width cropBox.size.width CGFloat yScale targetRect.size.height 41 cropBox.size.height CGFloat scaleToApply xScale yScale xScale yScale CGContextTranslateCTM ctx 0.0 41 layer.bounds.size.height..
how to crop image in to pieces programmatically http://stackoverflow.com/questions/4743242/how-to-crop-image-in-to-pieces-programmatically to crop image in to pieces programmatically I need to divide an image into 9 pieces programmatically. Any suggestions on how to.. the piece of the picture 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.. 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..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop to a specified height using a function equivalent to the Aspect Fill option of UIImageView entirely in code and then crop off anything that did not fit within a passed CGRect. Getting the original image from camera or library was trivial. I am.. share improve this question I needed the same thing in my case to pick the dimension that fits once scaled and then crop each end to fit the rest to the width. I'm working in landscape so might not have noticed any deficiencies in portrait mode... always set to the full screen size of the device. @implementation UIImage Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize..
How to crop UIImage on oval shape or circle shape? http://stackoverflow.com/questions/6530573/how-to-crop-uiimage-on-oval-shape-or-circle-shape to crop UIImage on oval shape or circle shape Please give ideas for how to crop UIImage on oval shape or circle shape. Please guide.. to crop UIImage on oval shape or circle shape Please give ideas for how to crop UIImage on oval shape or circle shape. Please guide me. iphone ios4 share improve this question `#import QuartzCore..
UIImage Rotation custom degrees http://stackoverflow.com/questions/917713/uiimage-rotation-custom-degrees
Change UIPickerView background http://stackoverflow.com/questions/965375/change-uipickerview-background share improve this question If you just want a workaround take a screen shot in the simulator open it in photoshop crop it to just the UIPickerView area make the center transparent apply whatever tint you want add that image to your project..
How do i resize UIImages without the pain? [closed] http://stackoverflow.com/questions/10855814/how-do-i-resize-uiimages-without-the-pain `UIImage` of resized image. UIImage imageByScalingToSize CGSize newSize contentMode UIViewContentMode contentMode Crop the image to be the required size. @param bounds The bounds to which the new image should be cropped. @return Cropped `UIImage`... Crop the image to be the required size. @param bounds The bounds to which the new image should be cropped. @return Cropped `UIImage`. UIImage imageByCroppingToBounds CGRect bounds Resize the image to be the required size stretching it as needed... size. @param bounds The bounds to which the new image should be cropped. @return Cropped `UIImage`. UIImage imageByCroppingToBounds CGRect bounds Resize the image to be the required size stretching it as needed. @param newSize The new size..
http://stackoverflow.com/questions/14042260/extract-a-part-of-uiimageview return image @end then crop it to your rect via another category method @implementation UIImage Crop UIImage cropFromRect CGRect fromRect fromRect CGRectMake fromRect.origin.x self.scale fromRect.origin.y self.scale fromRect.size.width..
iOS Custom UIImagePickerController Camera Crop to Square http://stackoverflow.com/questions/17712797/ios-custom-uiimagepickercontroller-camera-crop-to-square Custom UIImagePickerController Camera Crop to Square I'm trying to create a camera like Instagram where the user can see a box and the image would crop to that box... nil Then after you get a picture back from the UIImagePickerController crop it to a square with something like this Crop the image to a square CGSize imageSize image.size CGFloat width imageSize.width CGFloat height imageSize.height if width..
iOS - Caching and loading images asynchronously http://stackoverflow.com/questions/5078193/ios-caching-and-loading-images-asynchronously ASIHttpRequest before and the difference is big. https github.com rs SDWebImage Also if someone needs to Resize or Crop the remote images and have the same features that SDWebImage provide I have integrated SDWebImage library with UIImage Resize..
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.. 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 base for developers graphics uiimage routines scaling cropping rotating etc..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop Resize then Crop I've been bashing my face into this one for literally days now and even though I feel constantly that I am right on the.. of the device. @implementation UIImage Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width..
how to take a screen shot from a mapview http://stackoverflow.com/questions/6517268/how-to-take-a-screen-shot-from-a-mapview UIGraphicsGetCurrentContext UIImage mapImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext Crop the desired region CGImageRef imageRef CGImageCreateWithImageInRect mapImage.CGImage cropRect UIImage cropImage UIImage..
Crop and Scale CGContext - iOS http://stackoverflow.com/questions/8501149/crop-and-scale-cgcontext-ios and Scale CGContext iOS Following from my previous question about Crop and Scale CMSampleBufferRef I found a way to modify.. and Scale CGContext iOS Following from my previous question about Crop and Scale CMSampleBufferRef I found a way to modify the CGContext inside that CMSampleBufferRef and I am able to draw rectangle..
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