2021-04-21 18:02:20 +02:00
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#!/usr/bin/env python3
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import inkex
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import subprocess
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import shutil
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import os
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import sys
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"""
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Extension for InkScape 1.X
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Features
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- Create SVG preview file and show it in browser. Helps to quickly evaluate line order for cutting processes
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 21.04.2021
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Last patch: 21.04.2021
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License: GNU GPL v3
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Used version of Vivus JS library: https://github.com/maxwellito/vivus/releases/tag/v0.4.6 - MIT License
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Browser config:
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Firefox via about:config -> privacy.file_unique_origin = false
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ToDo:
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- adjust width and height (give options)
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- embed config buttons inside html to adjust time/type/... (more flexible than clicking from Inkscape)
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- calculate the total length of all paths and auto-adjust the speed to have good visibility
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"""
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class AnimateOrder (inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument("--tab")
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2021-04-21 19:01:27 +02:00
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pars.add_argument("--time", type=float, default = 5.0, help="Duration (frames)")
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2021-04-21 18:02:20 +02:00
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pars.add_argument("--fps", type=int, default = 60.0, help="Frames per second (fps)")
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pars.add_argument("--sequence_type", help="Sequence type")
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pars.add_argument("--reverse", type = inkex.Boolean, default = False, help="Reverse order")
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pars.add_argument("--browser", help="Select your desired browser (must be installed and must exist in %PATH% variable).")
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def effect(self):
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#write current SVG to extensions' directory. Target name must be "drawing.svg" because it is embedded in animate_order.html statically
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inFile = "drawing.svg"
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extension_dir = os.path.dirname(os.path.realpath(__file__))
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shutil.copy2(self.options.input_file, os.path.join(extension_dir, inFile))
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target_html = os.path.join(extension_dir, "animate_order.html")
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title = "Animate Order - " + self.document.getroot().get("{http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd}docname")
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if title is None:
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title = "Animate Order - Vivus JS"
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vivus_include = "./vivus-0.4.6/dist/vivus.js"
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duration = self.options.time * self.options.fps # we guess we have 20 ... 60 fps. depends on performance of the machine
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frames_per_second = self.options.fps
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type = self.options.sequence_type
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reverse = str(self.options.reverse).lower()
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with open(target_html, "w") as text_file:
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print( '<html>' , file=text_file)
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print( ' <head>' , file=text_file)
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print( ' <meta charset="UTF-8">' , file=text_file)
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print( ' <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">' , file=text_file)
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print( ' <meta name="viewport" content="width=device-width, initial-scale=1.0">' , file=text_file)
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print(f' <title>{title}</title>' , file=text_file)
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print( ' <meta name="description" content="SVG Drawing Animation">' , file=text_file)
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print( ' </head>' , file=text_file)
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print( ' <body>' , file=text_file)
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print( ' <button onclick="vi.reset().play();">replay</button>' , file=text_file)
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print( ' <br/>' , file=text_file)
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print(f' <object id="animate_order" type="image/svg+xml" data="{inFile}"></object>' , file=text_file)
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print(f' <script src="{vivus_include}"></script>' , file=text_file)
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print( ' <script>' , file=text_file)
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print( " var vi = new Vivus('animate_order', {type: '" + f'{type}' + "', \
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duration:" + f'{duration}' + ", reverseStack:" + f'{reverse}' + "});" , file=text_file)
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print( ' </script>' , file=text_file)
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print( ' </body>' , file=text_file)
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print( '</html>' , file=text_file)
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#now open firefox
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args = [self.options.browser, target_html]
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proc = subprocess.Popen(args, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = proc.communicate()
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if proc.returncode != 0:
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inkex.utils.debug("%d %s %s" % (proc.returncode, stdout, stderr))
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if __name__ == '__main__':
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AnimateOrder().run()
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