Re: Rethinking the design of xwidgets

[Arthur Miller]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: arthur miller <arthur.miller@live.com>
>> CC: Eli Zaretskii <eliz@gnu.org>, "qhong@mit.edu" <qhong@mit.edu>,
>>      "emacs-devel@gnu.org" <emacs-devel@gnu.org>
>> Date: Thu, 15 Oct 2020 03:35:23 +0000
>> 
>> Can you (or someone) help me test one thing: how do I hook my own image into 
>> Emacs image? Say that I
>> have code that gives me back an XImage, how do I hook that image directly 
>> from memory into text property 
>> so it gets displayed in a buffer? Either XImage or Xpixmap, does not matter. 
>> I was looking in image.c long
>> time but I didn't figured it out at the time.  
>
> I'm not sure I understand the difficulty.  You are ware that
> create-image can accept the image data directly, not as a file to
> read?
No I wasn't aware of it. I am not sure how I should pass an pixel array to
create-image & co.

I am just glancing at image.c and looking at how xpm format is
implemented.