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GIMP Forums » For GIMP users

[script] resize image in pourcent

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  1. [script] resize image... — Didier Bretin, 04 Jul 2009 01:20 PM
    1. [script] resize image... — saulgoode@flashin..., 04 Jul 2009 05:58 PM
      1. [script] resize image... — Didier Bretin, 05 Jul 2009 08:25 AM

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Permalink:4A4F3B0D.9090600@bretin.net
Date:04 Jul 2009 01:20 PM
From:Didier Bretin
Subject:[script] resize image in pourcent
Hi,

I'm improving my script, and I would like to use the function
gimp-image-scale and specify widht and height in pourcent, not in pixel.

Do you know how I can specify pourcent ?

Regards.
--
Didier Bretin
http://bretin.net/
http://twitter.com/didier69
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Permalink:20090704115855.eh4r1xgesowo0og0@flash...
Date:04 Jul 2009 05:58 PM
From:saulgoode@flashingtwelve.brickfilms.com
Subject:[script] resize image in pourcent
Quoting Didier Bretin <didier@bretin.net>:

> I'm improving my script, and I would like to use the function
> gimp-image-scale and specify widht and height in pourcent, not in pixel.
>
> Do you know how I can specify pourcent ?

You need to calculate the pixel values manually.

(gimp-image-scale image
(* (car (gimp-image-width image)) x-pct 0.01)
(* (car (gimp-image-height image)) y-pct 0.01)
)
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Permalink:4A504775.4070107@bretin.net
Date:05 Jul 2009 08:25 AM
From:Didier Bretin
Subject:[script] resize image in pourcent
saulgoode@flashingtwelve.brickfilms.com wrote:
> Quoting Didier Bretin <didier@bretin.net>:
>
>> I'm improving my script, and I would like to use the function
>> gimp-image-scale and specify widht and height in pourcent, not in pixel.
>>
>> Do you know how I can specify pourcent ?
>
> You need to calculate the pixel values manually.
>
> (gimp-image-scale image
> (* (car (gimp-image-width image)) x-pct 0.01)
> (* (car (gimp-image-height image)) y-pct 0.01)
> )

Yes ! Great, it works.

Thank you for your help.
--
Didier Bretin
http://bretin.net/
http://twitter.com/didier69
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