Re: Maximum image size ?
Re: Maximum image size ?
- Subject: Re: Maximum image size ?
- From: kata <email@hidden>
- Date: Thu, 22 Sep 2016 23:50:53 +0900
I don't know the definition but my experience.
JPEG accepts up to 65500 pixels width and height. Core Graphics framework supports more than that of course, and also PNG accepts more. Some NSBezierPath methods will fail to draw around 80000 and many methods fail over 120000, then i support up to 65500 now.
Yoshiaki Katayanagi
http://www.jizoh.jp/english.html
> 2016/09/22 22:14、Gabriel Zachmann <email@hidden> wrote：
>
>
> What is the maximum size of a bitmap image I can render using the Core Graphics framework and CALayer ?
>
> So far, I had assumed it is the maximum texture size the graphics card can handle, so I determined the limits via
> glGetIntegerv( GL_MAX_TEXTURE_SIZE, &maxTextureSize_ );
>
> But apparently , the limits are much higher.
>
> How can I determine the limit, so that my app can filter out images over the limit, so that it does not crash in such cases?
>
> I have checked the documentation, in particular CGImageSourceCreateImageAtIndex() et al., to no avail.
>
>
>
> Best regards,
> Gabriel.
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