Re: [Gimp-developer] Enlarge image canvas with gimp_image_resize procedure

[Ofnuts <ofnuts laposte net>]

On 02/27/2014 10:53 AM, Alessandro Francesconi wrote:
> I need to enlarge the area of an image using one of the available GIMP’s procedures. So, instead of using the 
> GIMP’s graphical interface and this tool http://docs.gimp.org/en/gimp-image-resize.html, I want to be able to 
> have the same effects on a C code.
>
>
> The function that should be called is this one, right? 
> http://oldhome.schmorp.de/marc/pdb/gimp_image_resize.html
>
>
> But it works when I need to shrink the canvas: on a 640x480 image, if I input smaller values the canvas is 
> actually cut. Instead, if I want to add a 20px transparent border along the area (so I type 680 and 520 px, 
> also with consistent offset values), the function just returns the original image.
>
>
> How does it work? Thanks

Don't know about C, but that function works as advertised in a Python 
script, with a smaller or larger canvas.