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Remove the python2 rmtrans tool (#5014)

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It seems unused, as there's:

 * Wiki: no mention of rmtrans
 * main Git repo: only the brief paragraph in the tools readme
 * resources repo: no mention of it
 * forums: only as part of a general list of Python files
 * Github issues and PRs: only as part of a general list of Python files

FWIW, I think it's already possible to do with Gimp's default tools ("Colors",
"Curves ...", select channel "Alpha", select curve type "Freehand", click in
the bottom-left of the box and sweep down, then to the left edge of the box,
then as far right as required).
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Steve Cotton 2020-07-30 22:19:52 +02:00 • committed by GitHub
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6
data/tools/README.md
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@ -4,12 +4,6 @@ also belong here. Other utils are in utils/.
== Scripts ==
=== rmtrans ===
Remove nearly transparent pixels from images using GIMP. It currently affects
only one image at a time. Batch processing is available within GIMP, but it
would be useful to expand this to skip files where the pixels did not change.
=== `tmx_trackplacer` ===
Converter for journey track files, the .cfg files which control the icon

7
data/tools/rmtrans/README.md
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@ -1,7 +0,0 @@
This is a GIMP script, written in python.
See the following address to install the script:
https://en.wikibooks.org/wiki/GIMP/Installing_Plugins#Copying_the_plugin_to_the_GIMP_plugin_directory
When installed, the script will be listed under the "Colors" menu.
It requires a relatively recent version of GIMP. 2.6 is too old.

41
data/tools/rmtrans/rmtrans.py
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@ -1,41 +0,0 @@
#!/usr/bin/env python2
from gimpfu import *
def rmtrans(img,tdrawable):
pdb.gimp_image_undo_group_start(img)
if pdb.gimp_selection_is_empty(img):
pdb.gimp_selection_all(img)
selection = pdb.gimp_selection_save(img)
pdb.gimp_selection_none(img)
alpha,temp,temp,temp = pdb.plug_in_decompose(img,tdrawable,"Alpha",1) # get alpha channel
alpha = pdb.gimp_image_get_active_layer(alpha) # turn it into a layer
pdb.gimp_edit_copy(alpha)
pdb.gimp_floating_sel_to_layer(pdb.gimp_edit_paste(tdrawable,TRUE))
alpha = pdb.gimp_image_get_active_layer(img) # move alpha layer into image (copy-paste)
pdb.gimp_context_set_antialias(False)
pdb.gimp_context_set_sample_threshold(0.0) # configuration for color selection
for i in xrange(10):
pdb.gimp_image_select_color(img,CHANNEL_OP_REPLACE,alpha,(i,i,i)) # select alpha values <= 10
pdb.gimp_image_select_item(img,CHANNEL_OP_INTERSECT,selection) # bound it to the previously selected area (before plugin execution)
if not(pdb.gimp_selection_is_empty(img)):
pdb.gimp_edit_clear(tdrawable) # and clear it
print(alpha)
pdb.gimp_image_remove_layer(img,alpha)
pdb.gimp_selection_none(img)
pdb.gimp_image_undo_group_end(img)
register(
"python_fu_rmtrans",
"Remove all pixels under a given alpha threshold.",
"Remove all pixels under a given alpha threshold.",
"Samuel Kim",
"Samuel Kim",
"2012",
"<Image>/Colors/Remove almost-transparent pixels",
"*",
[],
[],
rmtrans)
main()