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This plug-in has a partial GUI (a FileChooser dialog is launched). However, you could only save the active gradient rather than choosing any of them like the 2.10 version of this plug-in. This patch ports the original UI so you can choose both the gradient and file in interactive mode.
239 lines
9.3 KiB
Python
Executable file
239 lines
9.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Allows saving (TODO: and loading) CSS gradient files
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# Copyright (C) 2011 João S. O. Bueno <gwidion@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Currently this exports all color segments as RGB linear centered segments.
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# TODO: Respect gradient alpha, off-center segments, different blending
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# functions and HSV colors
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import gi
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gi.require_version('Gimp', '3.0')
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from gi.repository import Gimp
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gi.require_version('GimpUi', '3.0')
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from gi.repository import GimpUi
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from gi.repository import GObject
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from gi.repository import GLib
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from gi.repository import Gio
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk
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import time
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import sys
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def N_(message): return message
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def _(message): return GLib.dgettext(None, message)
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w3c_template = """background-image: linear-gradient(top, %s);\n"""
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moz_template = """background-image: -moz-linear-gradient(center top, %s);\n"""
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webkit_template = """background-image: -webkit-gradient(linear, """ \
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"""left top, left bottom, %s);\n"""
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color_to_html = lambda c: "rgb(%d,%d,%d)" % (c.r, c.g, c.b)
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def format_text(text):
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counter = 0
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new_text = []
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for token in text.split(","):
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if counter + len(token) > 77:
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token = "\n " + token
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counter = 4
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new_text.append(token)
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if "\n" in token:
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counter = len(token.rsplit("\n")[-1]) + 1
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else:
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counter += len(token) + 1
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return ",".join(new_text)
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def gradient_css_save(procedure, args, data):
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if args.length() != 3:
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error = 'Wrong parameters given'
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return procedure.new_return_values(Gimp.PDBStatusType.CALLING_ERROR,
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GLib.Error(error))
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runmode = args.index(0)
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gradient = args.index(1)
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file = args.index(2)
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config = procedure.create_config()
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config.begin_run(None, Gimp.RunMode.INTERACTIVE, args)
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if runmode == Gimp.RunMode.INTERACTIVE:
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GimpUi.init('python-fu-gradient-save-as-css')
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dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
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# Add gradient button
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dialog.fill (["gradient"])
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# UI for the file parameter
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# from histogram-export.py
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vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL,
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homogeneous=False, spacing=10)
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dialog.get_content_area().add(vbox)
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vbox.show()
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grid = Gtk.Grid()
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grid.set_column_homogeneous(False)
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grid.set_border_width(10)
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grid.set_column_spacing(10)
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grid.set_row_spacing(10)
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vbox.add(grid)
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grid.show()
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def choose_file(widget):
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if file_chooser_dialog.run() == Gtk.ResponseType.OK:
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if file_chooser_dialog.get_file() is not None:
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config.set_property("file", file_chooser_dialog.get_file())
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file_entry.set_text(file_chooser_dialog.get_file().get_path())
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file_chooser_dialog.hide()
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file_chooser_button = Gtk.Button.new_with_mnemonic(label=_("_File..."))
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grid.attach(file_chooser_button, 0, 0, 1, 1)
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file_chooser_button.show()
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file_chooser_button.connect("clicked", choose_file)
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file_entry = Gtk.Entry.new()
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grid.attach(file_entry, 1, 0, 1, 1)
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file_entry.set_width_chars(40)
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file_entry.set_placeholder_text(_("Choose CSS file..."))
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if config.get_property ("file") != None:
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file = config.get_property("file")
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if file is not None:
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file_entry.set_text(file.get_path())
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file_entry.show()
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use_header_bar = Gtk.Settings.get_default().get_property("gtk-dialogs-use-header")
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file_chooser_dialog = Gtk.FileChooserDialog(use_header_bar=use_header_bar,
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title=_("Save as CSS file..."),
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action=Gtk.FileChooserAction.SAVE)
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file_chooser_dialog.add_button("_Cancel", Gtk.ResponseType.CANCEL)
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file_chooser_dialog.add_button("_OK", Gtk.ResponseType.OK)
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#Connect config so reset works on custom widget
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def gradient_reset (*args):
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if len(args) >= 2:
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if config.get_property("file") is not None and config.get_property("file").get_path() != file_entry.get_text():
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file_entry.set_text(config.get_property("file").get_path())
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else:
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file_entry.set_text("")
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config.connect("notify::gradient", gradient_reset)
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config.connect("notify::file", gradient_reset)
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if not dialog.run():
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dialog.destroy()
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config.end_run(Gimp.PDBStatusType.CANCEL)
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return procedure.new_return_values(Gimp.PDBStatusType.CANCEL, GLib.Error())
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else:
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gradient = config.get_property("gradient")
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file = Gio.file_new_for_path(file_entry.get_text())
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#Save configs for non-connected UI element
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config.set_property ("file", file)
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dialog.destroy()
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if file is None:
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error = 'No file given'
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config.end_run(Gimp.PDBStatusType.CALLING_ERROR)
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return procedure.new_return_values(Gimp.PDBStatusType.CALLING_ERROR,
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GLib.Error(error))
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stops = []
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wk_stops = []
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n_segments = gradient.get_number_of_segments()
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last_stop = None
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for index in range(n_segments):
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success, lcolor, lopacity = gradient.segment_get_left_color(index)
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success, rcolor, ropacity = gradient.segment_get_right_color(index)
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success, lpos = gradient.segment_get_left_pos(index)
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success, rpos = gradient.segment_get_right_pos(index)
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lstop = color_to_html(lcolor) + " %d%%" % int(100 * lpos)
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wk_lstop = "color-stop(%.03f, %s)" %(lpos, color_to_html(lcolor))
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if lstop != last_stop:
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stops.append(lstop)
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wk_stops.append(wk_lstop)
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rstop = color_to_html(rcolor) + " %d%%" % int(100 * rpos)
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wk_rstop = "color-stop(%.03f, %s)" %(rpos, color_to_html(rcolor))
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stops.append(rstop)
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wk_stops.append(wk_rstop)
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last_stop = rstop
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final_text = w3c_template % ", ".join(stops)
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final_text += moz_template % ",".join(stops)
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final_text += webkit_template % ",".join(wk_stops)
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success, etag = file.replace_contents(bytes(format_text(final_text), encoding='utf-8'),
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etag=None,
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make_backup=False,
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flags=Gio.FileCreateFlags.REPLACE_DESTINATION,
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cancellable=None)
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if success:
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config.end_run(Gimp.PDBStatusType.SUCCESS)
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return procedure.new_return_values(Gimp.PDBStatusType.SUCCESS, GLib.Error())
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else:
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config.end_run(Gimp.PDBStatusType.EXECUTION_ERROR)
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return procedure.new_return_values(Gimp.PDBStatusType.EXECUTION_ERROR,
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GLib.Error('File saving failed: {}'.format(file.get_path())))
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class GradientsSaveAsCSS (Gimp.PlugIn):
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## Parameters ##
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__gproperties__ = {
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"run-mode": (Gimp.RunMode,
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_("Run mode"),
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_("The run mode"),
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Gimp.RunMode.NONINTERACTIVE,
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GObject.ParamFlags.READWRITE),
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"gradient": (Gimp.Gradient,
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_("_Gradient to use"), "",
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GObject.ParamFlags.READWRITE),
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"file": (Gio.File,
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_("_File"), None,
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GObject.ParamFlags.READWRITE),
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}
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## GimpPlugIn virtual methods ##
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def do_set_i18n(self, procname):
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return True, 'gimp30-python', None
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def do_query_procedures(self):
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return [ 'gradient-save-as-css' ]
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def do_create_procedure(self, name):
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procedure = Gimp.Procedure.new(self, name,
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Gimp.PDBProcType.PLUGIN,
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gradient_css_save, None)
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if name == 'gradient-save-as-css':
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procedure.set_documentation (_("Creates a new palette from a given gradient"),
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_("Creates a new palette from a given gradient"),
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name)
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procedure.set_menu_label("Save as CSS...")
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procedure.set_attribution("Joao S. O. Bueno",
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"(c) GPL V3.0 or later",
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"2011")
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procedure.add_menu_path('<Gradients>')
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procedure.add_argument_from_property(self, "run-mode")
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procedure.add_argument_from_property(self, "gradient")
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procedure.add_argument_from_property(self, "file")
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return procedure
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Gimp.main(GradientsSaveAsCSS.__gtype__, sys.argv)
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