• June 18, 2019

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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Now in Swift 4. Sign up using Facebook. Fill out the form below and reset your password:. Thanks for the help. Firefox and Microsoft Internet Explorer are recommended browsers for websites using java applets. Submit a new post.

Fill out the form below and instructions to reset your password will be emailed to you:. The first step was looking at the different ways you can convert a UIImage into Data.

Have you filed a bug with Apple? This is just an experiment using Playgrounds and basic memory sampling. When the loop has completed the proper number of iterations the memory is again sampled and the delta is recorded.


Resources Gist of the Swift Playground is available here Share this: Ivan Sinigaglia 4 8. Most Viewed Most Recent I test each of the above mentioned approaches using the template outlined below.

UI Design and UX. To load “image” to imageView: Testing Scenarios For my scenarios it was important to understand how memory is uimage based on the following: I’ve been googling like crazy trying to find anyone else with this issue, but haven’t found anything yet.

How to convert a UIImage into NSData | iOS Dev Diary

Become a Redditor and subscribe to one of thousands of communities. Starting with Version 42 released AprilChrome has disabled cobvert standard way in which browsers support plugins. How do I convert imageData i.

To save as data: Nerd figure out why. For this example we just use Top, Left. 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.


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. Yea that does the job. Use of this site constitutes acceptance of our User Agreement and Privacy Policy. User Name Please enter user name. Look at exclamation point “!

Number of executions, i. Unable to start Java!!

iOS Dev Diary

See the gist of the details for each approach. I was interested to see if there was a memory benefit as well. Hardik Thakkar 7, 1 46