Re: UI to allow user to scale and crop image within a circle
Re: UI to allow user to scale and crop image within a circle
- Subject: Re: UI to allow user to scale and crop image within a circle
- From: David Duncan <email@hidden>
- Date: Wed, 24 Feb 2016 00:15:58 -0800
> On Feb 23, 2016, at 7:17 PM, Quincey Morris <email@hidden> wrote:
>
> On Feb 23, 2016, at 18:50 , Charles Jenkins <email@hidden> wrote:
>>
>> I draw based on the overlay view’s frame, NOT based on the rect that gets passed in to drawRect(). I must not understand what that parameter is for.
>
> From the UIView documentation for ‘drawRect’:
>
>> The portion of the view’s bounds that needs to be updated. The first time your view is drawn, this rectangle is typically the entire visible bounds of your view. However, during subsequent drawing operations, the rectangle may specify only part of your view.
>
>
> So, yes, your code is right now. :)
>
Its almost right – drawing should be done based on the bounds not the frame (this will be an issue if you either use the frame.origin or if you transform the view).
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David Duncan
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