How to resize an image ? 🤔

[JN]

On Friday, 25 December 2020 at 20:59:03 UTC, vnr wrote:
> Hello 😺
>
> For a small "script" that generates printable files, I would 
> need to change the size of an image (which is loaded into 
> memory as an array of bytes) to shrink it to scale if it 
> exceeds the A4 page size.
>
> To load the images into memory and generate a PDF, I use the 
> "printed" package. It is not very provided but is sufficient 
> for my use, I just need the resize option... Is there a 
> relatively simple way to do this?
>
> Thank you.

I use the trusty stb_image C libraries (bindings here 
https://code.dlang.org/packages/stb ), specifically the 
stbir_resize_* functions.