CONVERT UIIMAGE TO PDF

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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Looking uilmage work or to hire? Become a Redditor and subscribe to one of thousands of communities. Welcome to Reddit, the front page of the internet. I am sure there is a ton of optimizations that could be made to bring these numbers down. General Swift Discussion irc. There are more comprehensive approaches out there.

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. NSHipster has a great article with details here.

If you want to follow along you can create your own Swift Playground using this gist. When the loop has completed the proper number of iterations the memory is again sampled and the delta is recorded. Your account has been flagged due to frequent spamming, you are not permitted to post comments. I will do so after this comment. Yea that does the job. I was interested to see if there was a memory benefit as well.

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Out of all the options this is the most straightforward and widely used. Still gives me the same error unfortunately.

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Nerd figure out why Fill out the form below and instructions to reset your password will be emailed to you:. UI Design and UX. To save as data: Test Results Below is the result broken down by iteration. 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.

Firefox and Microsoft Internet Explorer are recommended browsers for websites using java applets. You’ll need to convert it to another image type, one that playground can handle, to get a Uii,age for example that you can see.

How to convert a UIImage into NSData | iOS Dev Diary

Do they do public tp tracking? There is some variability on how each approach is tested. Nerd figure out why. Use of this site constitutes acceptance of our User Agreement and Privacy Policy. Post Projects All at 0 Cost Post as a guest Name.

Now in Swift 4. Starting with Version 42 released AprilChrome has disabled the standard way in which browsers support plugins.

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See the gist of the details for each approach. Yogendra Singh 6. Testing Scenarios For my scenarios it was important to understand how memory is impacted based on the following: These frequencies demonstrate when image caching and Autorelease Pool strategies start to impact results.

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Converted to Swift 3 and worked To save: Although the ImageIO strategy was better in a single execution scenario I question if the proper handling of image orientation would reduce or eliminate any of your memory savings. Are you sure, you want to delete this comment?

Hardik Thakkar 7, 1 46 Hi all, has anyone had success getting CIFilters to work in the latest playgrounds? Please, check the FAQs before submitting. Sign up using Email and Password.

How often do you convert a UIImage into a Data object? Munkh-Erdene Zorigbold 51 1 2. Dedicated to the Swift programming language released by Apple. Log in or sign up in seconds. Image quality is an important aspect of my projects, so the tests where performed using the compression ratios of 1. These compression ratios where then run using 1, 2, 14, 20, and 50 executions. Resources Gist of the Swift Playground is available here Share this:

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