Re: can someone help me with the image elisp API

[Alexis]

Jim Newton <jimka.issy@gmail.com> writes:

> I've opened an image (a .png) file in an emacs buffer.  I'd like 
> to be able to click in the image with the RMB (or any good mouse 
> event), and somehow relate the point the user clicked to the 
> coordinates in the image.
>
> For example, this elisp function gets the x-y position.  Suppose 
> it is (609 . 41) I want to know if that is in the box within the 
> image coordinates 
>  (( 447.32 199.28) ( 449.7426 199.9871))

Perhaps the :map property of the image descriptor might be of use?

https://www.gnu.org/software/emacs/manual/html_node/elisp/Image-Descriptors.html


Alexis.