Re: cut strech new Bitmap
Re: cut strech new Bitmap
- Subject: Re: cut strech new Bitmap
- From: Alastair Houghton <email@hidden>
- Date: Tue, 4 Dec 2007 14:55:28 +0000
On 4 Dec 2007, at 14:47, email@hidden wrote:
yep the code performs up to 50 times faster compared to my initial
attempt.
Also it was a great way of starting to get familiar with the API.
Memory question to the code in previous post.
The newly created NSBitmapImageRep is autorelease. Therefore it
looks like all memory management requirements are take care of.
Unless I made a mistake, yes, I think that's correct. However:
1. If you want to keep one of the generated NSBitmapImageRep objects
after you've finished processing the current event, you should -retain
it and then -release it when you're done.
2. If you are calling this method in a loop, you *might* need to think
about creating your own autorelease pool and periodically emptying it;
otherwise you'll continue to use-up memory during the loop and it will
only be released when you get back to the application's run loop.
The app idea I am playing with has really simple requirements. The
letters are machine written, however the since can vary a little
bit. And for simplicity the rows are perfectly aligned. My intention
was to check out the built in streching/schrinking to start with.
Sure.
Kind regards,
Alastair.
--
http://alastairs-place.net
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