Hi all, has anyone had success getting CIFilters to work in the latest playgrounds ? It keeps throwing me a “Failed to convert UIImage to PNG”. You can store a UIImage (or an NSImage on Mac) as raw data. This can be useful if you’d like to save it in Core Data. Here’s how you convert a. Hi all,to convert uiimage to nsdataobjective cnsdata *data = uiimagepngrepresentation();swiftlet imagedata: nsdata.

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Number of executions, i. Use of this site constitutes acceptance of our User Ro and Privacy Policy. Post Projects All at 0 Cost To load “image” to imageView: Fill out the form below and reset your password:. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued uijmage of the website is subject to these policies.

Stack Overflow works best with JavaScript enabled. Password Password should have minimum 6 characters. Most Viewed Most Recent Unfortunately some of our below listed tools require Java plugin: Hardik Thakkar 7, 1 46 Hi all, has anyone had success getting CIFilters to work in the latest playgrounds?

Ask Tech Query Post Blogs. Data “NSData” type is converted into “Data” type automatically during this process. Please, check the FAQs before submitting. To make sure we are measure the same resulting data across tests, we record the length of the first Data conversion. Password confirmation Password confirmation should match the password.


Swift: Convert between CGImage, CIImage and UIImage – Hawk Wiki

Caveats There are more comprehensive approaches out there. Sign up using Email and Password. Are you sure, you want to delete this comment? My code executes just fine, I just get errors when an image is referenced and of course, no images are displayed. Fill out the form below and instructions to reset your password will be emailed to you:.

Convert UIImage to/from base64 encoding

There is some variability on how each approach is tested. User Name Please enter user name.

Welcome to Reddit, the front page fonvert the internet. Testing Scenarios For my scenarios it was important to understand how memory is impacted based on the following: You’ll need to convert it to another image type, one that playground can handle, to get a UIImage for example that you can see. Post as a guest Name. I don’t mind messing around with the filters in a project file, but I’m trying to reproduce an effect by stacking multiple filters and it would just be waaaay faster to do it in playground as opposed to building a project on my phone every time.


If you want to follow along you can create your own Swift Playground using this gist.

Dedicated to the Swift programming language released by Apple. After doing this I started seeing memory spikes and leaks appear which got me thinking on how I can better profile different options for performing this conversion.

Want to add to the discussion? I will do so after this comment.

More info in the Swift Wiki. Nerd figure out why The first step was looking at the different ways you can convert a UIImage into Data.

Convert UIImage to/from base64 encoding | ios Tutorial

Now in Swift 4. See the gist of the details for each approach. Helped me a lot.

Testing Each Approach I test each of the above mentioned approaches using the template outlined below. We have detected you are using Google Chrome and might be unable to use the Java plugin from this browser. Sign up or log in Sign up using Google. For this example we just use Top, Left. Email Please enter a valid cojvert.

Thanks for the help.