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2014/10/15 ¤U¤È 10:05:07
iphone Programming Glossary: clipLooking for a way to encode mp3 on iPhone http://stackoverflow.com/questions/1005598/looking-for-a-way-to-encode-mp3-on-iphone mp3 on iPhone I'm looking for a way to encode an mp3 file on the iPhone. I'm writing an app that records an audio clip with the microphone and uploads it to a server. The iPhone SDK has APIs to write out .caf and .aiff but I didn't find any..
http://stackoverflow.com/questions/1106861/round-corners-on-uitableview The grouped style doesn't solve the problem because the round corners scroll away with the cell. I'm trying to clip the view so the corners are always round regardless of scroll position. I saw another discussion about doing this to a UIImage.. CGRect frame frame.origin.x 10 frame.origin.y 50 frame.size.width 300 frame.size.height 380 scherm.frame frame scherm.clipsToBounds YES scherm.layer.cornerRadius 10 self.view addSubview scherm CustomUITableViewClass table CustomUITableViewClass..
Overlay on top of Streaming MPMoviePlayerController http://stackoverflow.com/questions/1356540/overlay-on-top-of-streaming-mpmovieplayercontroller apple MoviePlayer on iPhone Im trying to overlay on top of the mpmovieplayercontroller it works perfectly with video clip that is in bundle but it wont work if i stream the video from the url. the overlay view will just get hide behind the player...
Cropping an image in iOS using OpenCV face detection http://stackoverflow.com/questions/14756505/cropping-an-image-in-ios-using-opencv-face-detection rectangle for drawing sub image CGRect drawRect CGRectMake rect.origin.x rect.origin.y img.size.width img.size.height clip to the bounds of the image context not strictly necessary as it will get clipped anyway CGContextClipToRect context CGRectMake.. img.size.width img.size.height clip to the bounds of the image context not strictly necessary as it will get clipped anyway CGContextClipToRect context CGRectMake 0 0 rect.size.width rect.size.height draw image img drawInRect drawRect..
http://stackoverflow.com/questions/2570653/iphone-clip-image-with-path clip image with path I would like to clip an image with path. In the book Programming with Quartz there is an example on how.. clip image with path I would like to clip an image with path. In the book Programming with Quartz there is an example on how to draw a circle clipped by a rectangular.. would like to clip an image with path. In the book Programming with Quartz there is an example on how to draw a circle clipped by a rectangular path p.37 and there is also a chapter on image masking with existing image as stencil Ch.10 . But I'm..
How to fill a path with gradient in drawRect:? http://stackoverflow.com/questions/2985359/how-to-fill-a-path-with-gradient-in-drawrect covering up my original path. iphone core graphics quartz graphics drawrect share improve this question I would clip to the path you want to fill and use CGContextDrawLinearGradient. Here is a simple implementation of drawRect as an example..
iPhone Smooth Transition from One Video To Another http://stackoverflow.com/questions/3410003/iphone-smooth-transition-from-one-video-to-another really great at playing video and video audio together but it really sucks at starting stopping and switching from one clip to another. The reason is that there is a lot of buffering that needs to happen to load up and start playing a h.264 video.. need to roll your own code that sets UIImage CGImageRef for your views in a way that makes it easy to switch from one clip to another by simply switching from one array of UIImage objects to another. Of course that is easy to say yet not so easy.. at this StreetFighter demo app. It shows how a very simple game like iPhone UI can be constructed using a series of clips that show a character doing a kick a punch or throwing a fireball. The results looks like this I also wrote up a blog post..
How to customize the background/border colors of a grouped table view cell? http://stackoverflow.com/questions/400965/how-to-customize-the-background-border-colors-of-a-grouped-table-view-cell 0.0f CGContextStrokePath c return no need to bother drawing rounded corners so we return At this point the clip rect is set to only draw the appropriate corners so we fill and stroke a rounded rect taking the entire rect CGContextBeginPath..
AVFoundation, how to turn off the shutter sound when captureStillImageAsynchronouslyFromConnection? http://stackoverflow.com/questions/4401232/avfoundation-how-to-turn-off-the-shutter-sound-when-capturestillimageasynchrono 1 Not sure if this will work but try playing a blank audio file right before you send the capture event. To play a clip add the Audio Toolbox framework #include AudioToolbox AudioToolbox.h and play the audio file like this immediately before..
Playing many different videos on iphone using AVPlayer http://stackoverflow.com/questions/6258573/playing-many-different-videos-on-iphone-using-avplayer name AVPlayerItemDidPlayToEndTimeNotification object player currentItem The code to select the clip to be played void viewSelect double curTime self.myView.backgroundColor UIColor blackColor UISwipeGestureRecognizer swipeRecognizer..
How to combine video clips with different orientation using AVFoundation http://stackoverflow.com/questions/6575128/how-to-combine-video-clips-with-different-orientation-using-avfoundation to combine video clips with different orientation using AVFoundation I am trying to combine several video clips into one using AVFoundation... to combine video clips with different orientation using AVFoundation I am trying to combine several video clips into one using AVFoundation. I can create a single video using AVMutableComposition using the code below AVMutableComposition.. kCMPersistentTrackID_Invalid CMTime startTime kCMTimeZero videoClipPaths is a array of paths of the video clips recorded for loop to combine clips into a single video for NSInteger i 0 i videoClipPaths count i NSString path NSString..
filtering single and double taps http://stackoverflow.com/questions/6587453/filtering-single-and-double-taps I'm trying to let the user set the position drag rotate of a board piece but i need to be aware of piece intersections clip to the board area etc that's why a simple boolean will not solve the problem. Thanks in advance iphone objective c ios..
app rejected from apple app store because UIWebview, need some advice http://stackoverflow.com/questions/7421002/app-rejected-from-apple-app-store-because-uiwebview-need-some-advice for the App Store. As an alternative you may wish to provide instructions to your users on how to create a Safari web clip to add to their iOS device Home Screen. Or if you would like to share the app with a select group of users we recommend.. store so I don't know if just by adding what they say about providing instructions on how users can create safari web clipping will get my app approve and if this instructions can just be written in a pop up message any advice will be greatly..
Overlaying a UIImage with a color? http://stackoverflow.com/questions/845278/overlaying-a-uiimage-with-a-color and I'm pretty sure set isn't supposed to be there. iphone uiimage share improve this question You will want to clip the context to an image mask and then fill with a solid color void drawRect CGRect rect CGRect bounds self bounds UIColor..
Draw glow around inside edge of multiple CGPaths http://stackoverflow.com/questions/8480401/draw-glow-around-inside-edge-of-multiple-cgpaths mask color color CGContextRef gc UIGraphicsGetCurrentContext Save the graphics state so I can restore the clip and shadow attributes after drawing. CGContextSaveGState gc CGContextClipToMask gc bounds mask.CGImage CGContextSetShadowWithColor..
How to mask a square image into an image with round corners in the iPhone SDK? http://stackoverflow.com/questions/996292/how-to-mask-a-square-image-into-an-image-with-round-corners-in-the-iphone-sdk fw 0 fw fh 2 1 CGContextClosePath context CGContextRestoreGState context And then call CGContextClip context to clip it to the rectangle path. Now any drawing done including drawing an image will be clipped to the round rectangle shape... call CGContextClip context to clip it to the rectangle path. Now any drawing done including drawing an image will be clipped to the round rectangle shape. As an example assuming image is a UIImage and this is in a drawRect method CGContextRef..
Paging UIScrollView in increments smaller than frame size http://stackoverflow.com/questions/1677085/paging-uiscrollview-in-increments-smaller-than-frame-size share improve this question Try making your scrollview less than the size of the screen width wise but uncheck the Clip Subviews checkbox in IB. Then overlay a transparent userInteractionEnabled NO view on top of it at full width which overrides..
CGContextDrawPDFPage taking up large amounts of memory http://stackoverflow.com/questions/2975240/cgcontextdrawpdfpage-taking-up-large-amounts-of-memory m_page box rect 0 YES CGRect pageRect CGPDFPageGetBoxRect m_page box Start the drawing CGContextSaveGState g Clip to our bounding box CGContextClipToRect g pageRect Now we have to flip the origin to top left instead of bottom left First.. pageRect CGPDFPageGetBoxRect m_page box Start the drawing CGContextSaveGState g Clip to our bounding box CGContextClipToRect g pageRect Now we have to flip the origin to top left instead of bottom left First flip y axix CGContextScaleCTM g..
Mysterious “progressive slowing” problem in run loop / drawRect http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect with each flower each render takes more time. This explains the increase in time for each display. I see two solutions Clip the new rendering into a particular in the PaintView. Instead of invalidating the complete view invalidate only the the..
UITableView with dynamic cell heights — what do I need to do to fix scrolling down? http://stackoverflow.com/questions/680067/uitableview-with-dynamic-cell-heights-what-do-i-need-to-do-to-fix-scrolling-d just quite well enough. But at least I'm rid of that bug. This behavior was fixed by being sure to check the Clip Subviews property of the UITableViewCell . The behavior was caused by declaring my tweet text label to be of the maximum..
How do they do this - Mobile Site Added to Homescreen Appears as Standalone App http://stackoverflow.com/questions/8195741/how-do-they-do-this-mobile-site-added-to-homescreen-appears-as-standalone-app this. Anyone know iphone html5 mobile web iphone standalone web app share improve this question It's called a Web Clip and if you specify some meta data in your html you can have it appear on the home screen with an icon http developer.apple.com..
iOS - How to achieve emboss effect for the text on UILabel? http://stackoverflow.com/questions/8467141/ios-how-to-achieve-emboss-effect-for-the-text-on-uilabel UIGraphicsBeginImageContextWithOptions rect.size NO mask.scale UIColor blackColor setFill UIRectFill rect CGContextClipToMask UIGraphicsGetCurrentContext rect mask.CGImage CGContextClearRect UIGraphicsGetCurrentContext rect UIImage image UIGraphicsGetImageFromCurrentImageContext.. rect.size NO UIScreen mainScreen .scale CGContextRef gc UIGraphicsGetCurrentContext Clip to the mask that only allows drawing inside the string's image. CGContextClipToMask gc rect mask.CGImage We apply the mask.. gc UIGraphicsGetCurrentContext Clip to the mask that only allows drawing inside the string's image. CGContextClipToMask gc rect mask.CGImage We apply the mask twice because we're going to draw through it twice. Only applying it once would..
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