svgui/svgui.py
author Edouard Tisserant
Thu, 25 Mar 2021 10:13:12 +0100
branchsvghmi
changeset 3199 1582753e409b
parent 2620 063391cd313d
permissions -rw-r--r--
SVGHMI: Filter unseen geometry from inkscape CSV output.

When inkscape exports geometry form all objects, then it also includes objects from svg:defs. This makes problems when deciding if an object is part of a page, since coordinate of objects in svg:defs can eventualy be contained in a page. In the end, those objects where getting detached when leaving pages where they where found, leading for exemple to non working text on clipping when the clipped text was cloned in multiple page.
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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# Copyright (C) 2017: Andrey Skvortsov
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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from __future__ import absolute_import
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import os
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import shutil
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import wx
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from svgui.pyjs import translate
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import util.paths as paths
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from POULibrary import POULibrary
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from docutil import open_svg
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from py_ext import PythonFileCTNMixin
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class SVGUILibrary(POULibrary):
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    def GetLibraryPath(self):
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        return paths.AbsNeighbourFile(__file__, "pous.xml")
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class SVGUI(PythonFileCTNMixin):
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    ConfNodeMethods = [
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        {
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            "bitmap":    "ImportSVG",
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            "name":    _("Import SVG"),
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            "tooltip": _("Import SVG"),
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            "method":   "_ImportSVG"
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        },
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        {
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            "bitmap":    "ImportSVG",  # should be something different
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            "name":    _("Inkscape"),
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            "tooltip": _("Create HMI"),
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            "method":   "_StartInkscape"
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        },
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    ]
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    def _getSVGpath(self, project_path=None):
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        if project_path is None:
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            project_path = self.CTNPath()
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        # define name for SVG file containing gui layout
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        return os.path.join(project_path, "gui.svg")
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    def _getSVGUIserverpath(self):
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        return paths.AbsNeighbourFile(__file__, "svgui_server.py")
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    def OnCTNSave(self, from_project_path=None):
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        if from_project_path is not None:
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            shutil.copyfile(self._getSVGpath(from_project_path),
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                            self._getSVGpath())
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        return PythonFileCTNMixin.OnCTNSave(self, from_project_path)
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    def CTNGenerate_C(self, buildpath, locations):
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        """
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        Return C code generated by iec2c compiler
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        when _generate_softPLC have been called
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        @param locations: ignored
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        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
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        """
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        current_location = self.GetCurrentLocation()
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        # define a unique name for the generated C file
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        location_str = "_".join(map(str, current_location))
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        res = ([], "", False)
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        svgfile = self._getSVGpath()
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        if os.path.exists(svgfile):
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            res += (("gui.svg", open(svgfile, "rb")),)
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        svguiserverfile = open(self._getSVGUIserverpath(), 'r')
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        svguiservercode = svguiserverfile.read()
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        svguiserverfile.close()
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        svguilibpath = os.path.join(self._getBuildPath(), "svguilib.js")
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        svguilibfile = open(svguilibpath, 'w')
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        fpath = paths.AbsDir(__file__)
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        svguilibfile.write(translate(os.path.join(fpath, "pyjs", "lib", "sys.py"), "sys"))
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        svguilibfile.write(open(os.path.join(fpath, "pyjs", "lib", "_pyjs.js"), 'r').read())
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        svguilibfile.write(translate(os.path.join(fpath, "pyjs", "lib", "pyjslib.py"), "pyjslib"))
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        svguilibfile.write(translate(os.path.join(fpath, "svguilib.py"), "svguilib"))
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        svguilibfile.write("pyjslib();\nsvguilib();\n")
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        svguilibfile.write(open(os.path.join(fpath, "pyjs", "lib", "json.js"), 'r').read())
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        svguilibfile.write(open(os.path.join(fpath, "livesvg.js"), 'r').read())
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        svguilibfile.close()
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        jsmodules = {"LiveSVGPage": "svguilib.js"}
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        res += (("svguilib.js", open(svguilibpath, "rb")),)
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        runtimefile_path = os.path.join(buildpath, "runtime_%s.py" % location_str)
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        runtimefile = open(runtimefile_path, 'w')
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        runtimefile.write(svguiservercode % {"svgfile": "gui.svg"})
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        runtimefile.write("""
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def _runtime_%(location)s_start():
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    website.LoadHMI(%(svgui_class)s, %(jsmodules)s)
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def _runtime_%(location)s_stop():
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    website.UnLoadHMI()
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        """ % {"location": location_str,
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               "svgui_class": "SVGUI_HMI",
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               "jsmodules": str(jsmodules)})
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        runtimefile.close()
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        res += (("runtime_%s.py" % location_str, open(runtimefile_path, "rb")),)
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        return res
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    def _ImportSVG(self):
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        dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "",  _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN)
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        if dialog.ShowModal() == wx.ID_OK:
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            svgpath = dialog.GetPath()
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            if os.path.isfile(svgpath):
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                shutil.copy(svgpath, self._getSVGpath())
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            else:
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                self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n") % svgpath)
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        dialog.Destroy()
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    def _StartInkscape(self):
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        svgfile = self._getSVGpath()
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        open_inkscape = True
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        if not self.GetCTRoot().CheckProjectPathPerm():
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            dialog = wx.MessageDialog(self.GetCTRoot().AppFrame,
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                                      _("You don't have write permissions.\nOpen Inkscape anyway ?"),
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                                      _("Open Inkscape"),
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                                      wx.YES_NO | wx.ICON_QUESTION)
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            open_inkscape = dialog.ShowModal() == wx.ID_YES
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            dialog.Destroy()
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        if open_inkscape:
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            if not os.path.isfile(svgfile):
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                svgfile = None
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            open_svg(svgfile)