Line smoothing in Cocoa Touch

Posted by Sam Kaplan on Stack Overflow See other posts from Stack Overflow or by Sam Kaplan
Published on 2010-04-17T03:15:20Z Indexed on 2010/04/17 3:23 UTC
Read the original article Hit count: 382

Filed under:

cocoa-touch

|

uikit

|

objective-c

|

iphone

How would I smooth a line (UIBeizerPath) or a set of points? Right now it draws it jagged. I read about spline interpolation, could anyone point me to an implementation of this in cocoa or C or give me an alternate line smoothing algorithm.

© Stack Overflow or respective owner

Related posts about cocoa-touch

adding UIImageView to UIScrollView throws exception cocoa touch for iPad

as seen on Stack Overflow - Search for 'Stack Overflow'
I am a noob at OBJ-C :) I am trying to add a UIImageView to a UIScrollView to display a large image in my iPad app. I have followed the tutorial here exactly: http://howtomakeiphoneapps.com/2009/12/how-to-use-uiscrollview-in-your-iphone-app/ The only difference is that in my App the View is… >>> More
Cocoa Touch text view with aligned, justified text

as seen on Stack Overflow - Search for 'Stack Overflow'
I am trying to create a textview with predefined height that will contain justified text. When entering the text into the view, I need to be able to check when the view is full. How would I do this? Core Text? I am using sdk-3.2. >>> More
Managing subviews in Cocoa Touch

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I'm developing an iPhone app. I need to create a Quiz application that has different Question views embedded in it (see my similar question). Different types of Question will have different behavior, so I plan to create a controller class for each type of Question. The MultipleChoiceQuestionController… >>> More
Reading .ppt (MS PowerPoint) file in Cocoa Touch

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All, Any idea how to read a .ppt file in Cocoa Touch ? I tried to load the contents of the file in UIWebView but it didn't work. Here is the code : [aWebView loadData:[NSData dataWithContentsOfFile:filePath] MIMEType:@"application/vnd.ms-powerpoint" textEncodingName:@"utf-8" … >>> More
Repeating events on a gregorian calendar in Cocoa Touch

as seen on Stack Overflow - Search for 'Stack Overflow'
How would I set up a gregorian calendar in cocoa touch and set an event that will repeat every X days? Thanks >>> More

Related posts about uikit

dyld: Library not loaded: /System/Library/Frameworks/UIKit.framework/UIKit

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All, Please bear with me, newbie just learning the ropes. I am getting the below message, when I try and run my app, it quiets, but then does let me re-open fine after the first quit. I tried a few things and if I turn on if i 'activate breakpoints' it all works fine... Tried a few suggestions… >>> More
UIKit/UiKit.h missing, on a newer version

as seen on Stack Overflow - Search for 'Stack Overflow'
Dear Everyone, I've a application which has been written for 2.1. Now I'm running that app on xcode 3.2.5 and SDK 4.2. Here's the problem, When I try to Build and Run, I get the following error: UIKit.framework/UIKit.h: No such file or directory In file included from users/.../classes/Radio.m UIKit… >>> More
Strange UIKit bug, table view row stays selected

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm facing what appears to be a UIKit bug, and it takes the combination of two less commonly used features to reproduce it, so please bear with me here. I have quite the common view hierarchy: UITabBarController -> UINavigationController -> UITableViewController and the table view controller… >>> More
[NSCFNumber _isNaturallyRTL]: unrecognized selector sent to instance 0x605ac10

as seen on Stack Overflow - Search for 'Stack Overflow'
my app got crashed an showed that keyword. There is no error and warning. can some body help me?? this is stack that showed : Call stack at first throw: ( 0 CoreFoundation 0x012ccbe9 __exceptionPreprocess + 185 1 libobjc.A.dylib 0x014215c2 objc_exception_throw… >>> More
iOS static Framework crash when animating view

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm encountering a difficult to debug issue with a static library project when attempting to animate a view. It works fine when debugging (and even when debugging in the release configuration), but throws an error archived as a release: Exception Type: EXC_CRASH (SIGSYS) Exception Codes: 0x00000000… >>> More