On Linux and Mac OS, any extension would work, but you have to give the fileĪfter restarting GIMP, you will have the new command conveniently located on your Layer menu: #! /usr/bin/env pythonĭef scale_layer_to_canvas_size(img, layer):įactor = min (float(img.width) / layer.width,
Paste the contents bellow as a file there (if on Windows, the file must have the ".py" extension. Just check your edit->preferences->folders->plug-ins for your plug-in directory, Pick the image or layer to resize, I formated it as a python-script for GIMP as well. Since this can be done, but is not practical, even more because it does not allow you to img = gimp.image_list() layer = img.layers factor = min (float(img.width) / layer.width, float(img.height) / layer.height) layer.scale(int(layer.width * factor), int(layer.height * factor)) t_offsets((img.width - layer.width) / 2, (img.height - layer.height) / 2) On the top layer of the most recent open image.
Gimp scale code#
On the width or height, and use this ratio to scale tha layer, and then center the layer.įor your convenience, I wrote some Python code for this in a single line, in a way you can just copy and paste on the python console (filters->python->console) to apply the effect What have to be determined programatcially is whether the ratio of the image/layer is larger The way out is to use the program's scripting capabilities to perform the action: This is easy to do, but among the hundreds of possible options to be put on the program UI, it was not "elected" to be there.
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