Re: blob.c : ImageToBlob : depth not considered ?

Bob Friesenhahn <[email protected]> Fri, 15 Jan 2021 07:53:18 -0600 (CST)
Newsgroups gmane.comp.video.graphicsmagick.help
Message-ID <[email protected]>
On Fri, 15 Jan 2021, Pro Turm wrote:

> Hi Bob,
> the question is regarding the design of ImageToBlob ? When I call the
> following
>
> ImageToBlob(pImage_info,pImage,&nLength,pExceptionInfo);
>
> then the pImage_info->depth is not considered at all.
>
> Is this correct? (ImateToBlob calls constitute.c/WriteImage, which
> considers/copies *dither*, but not *depth*)

The ImageInfo you provide (or a copy of it) is provided to the write 
coder, which then does something based on it if possible.  Not all 
formats have a notion of 'depth'.  For example, PNG does, but GIF does 
not.

What file format are you writing?

Bob
-- 
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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