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+# ##########################################################
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+# FlatCAM: 2D Post-processing for Manufacturing #
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+# File Author: Marius Adrian Stanciu (c) #
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+# Date: 2/14/2020 #
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+# MIT Licence #
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+# ##########################################################
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+
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+from PyQt5 import QtWidgets, QtCore
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+
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+from FlatCAMTool import FlatCAMTool
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+from flatcamGUI.GUIElements import FCButton, FCDoubleSpinner
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+
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+from shapely.geometry import Polygon, MultiPolygon, MultiLineString, LineString, box
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+from shapely.ops import cascaded_union
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+
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+import traceback
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+from copy import deepcopy
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+import time
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+import logging
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+import gettext
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+import FlatCAMTranslation as fcTranslate
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+import builtins
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+
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+fcTranslate.apply_language('strings')
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+if '_' not in builtins.__dict__:
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+ _ = gettext.gettext
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+
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+log = logging.getLogger('base')
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+
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+
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+class ToolInvertGerber(FlatCAMTool):
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+
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+ toolName = _("Invert Tool")
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+
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+ def __init__(self, app):
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+ self.app = app
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+ self.decimals = self.app.decimals
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+
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+ FlatCAMTool.__init__(self, app)
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+
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+ self.tools_frame = QtWidgets.QFrame()
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+ self.tools_frame.setContentsMargins(0, 0, 0, 0)
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+ self.layout.addWidget(self.tools_frame)
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+ self.tools_box = QtWidgets.QVBoxLayout()
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+ self.tools_box.setContentsMargins(0, 0, 0, 0)
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+ self.tools_frame.setLayout(self.tools_box)
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+
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+ # Title
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+ title_label = QtWidgets.QLabel("%s" % self.toolName)
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+ title_label.setStyleSheet("""
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+ QLabel
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+ {
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+ font-size: 16px;
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+ font-weight: bold;
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+ }
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+ """)
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+ self.tools_box.addWidget(title_label)
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+
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+ # Form Layout
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+ grid0 = QtWidgets.QGridLayout()
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+ grid0.setColumnStretch(0, 0)
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+ grid0.setColumnStretch(1, 1)
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+ self.tools_box.addLayout(grid0)
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+
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+ grid0.addWidget(QtWidgets.QLabel(''), 0, 0, 1, 2)
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+
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+ # Target Gerber Object
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+ self.gerber_combo = QtWidgets.QComboBox()
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+ self.gerber_combo.setModel(self.app.collection)
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+ self.gerber_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
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+ self.gerber_combo.setCurrentIndex(1)
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+
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+ self.gerber_label = QtWidgets.QLabel('%s:' % _("Gerber Object"))
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+ self.gerber_label.setToolTip(
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+ _("Gerber object that will be inverted.")
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+ )
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+
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+ grid0.addWidget(self.gerber_label, 1, 0, 1, 2)
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+ grid0.addWidget(self.gerber_combo, 2, 0, 1, 2)
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+
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+ # Margin
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+ self.margin_label = QtWidgets.QLabel('%s:' % _('Margin'))
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+ self.margin_label.setToolTip(
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+ _("Distance by which to avoid\n"
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+ "the edges of the Gerber object.")
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+ )
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+ self.margin_entry = FCDoubleSpinner()
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+ self.margin_entry.set_precision(self.decimals)
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+ self.margin_entry.set_range(0.0000, 9999.9999)
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+ self.margin_entry.setObjectName(_("Margin"))
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+
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+ grid0.addWidget(self.margin_label, 3, 0)
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+ grid0.addWidget(self.margin_entry, 3, 1)
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+
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+ separator_line = QtWidgets.QFrame()
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+ separator_line.setFrameShape(QtWidgets.QFrame.HLine)
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+ separator_line.setFrameShadow(QtWidgets.QFrame.Sunken)
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+ grid0.addWidget(separator_line, 4, 0, 1, 2)
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+
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+ self.invert_btn = FCButton(_('Invert Gerber'))
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+ self.invert_btn.setToolTip(
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+ _("Will invert the Gerber object: areas that have copper\n"
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+ "will be emty of copper and previous empty area will be\n"
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+ "filled with copper.")
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+ )
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+ self.invert_btn.setStyleSheet("""
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+ QPushButton
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+ {
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+ font-weight: bold;
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+ }
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+ """)
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+ grid0.addWidget(self.invert_btn, 5, 0, 1, 2)
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+
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+ self.tools_box.addStretch()
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+
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+ # ## Reset Tool
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+ self.reset_button = QtWidgets.QPushButton(_("Reset Tool"))
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+ self.reset_button.setToolTip(
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+ _("Will reset the tool parameters.")
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+ )
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+ self.reset_button.setStyleSheet("""
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+ QPushButton
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+ {
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+ font-weight: bold;
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+ }
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+ """)
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+ self.tools_box.addWidget(self.reset_button)
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+
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+ self.invert_btn.clicked.connect(self.on_grb_invert)
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+ self.reset_button.clicked.connect(self.set_tool_ui)
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+
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+ def install(self, icon=None, separator=None, **kwargs):
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+ FlatCAMTool.install(self, icon, separator, shortcut='', **kwargs)
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+
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+ def run(self, toggle=True):
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+ self.app.report_usage("ToolInvertGerber()")
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+ log.debug("ToolInvertGerber() is running ...")
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+
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+ if toggle:
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+ # if the splitter is hidden, display it, else hide it but only if the current widget is the same
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+ if self.app.ui.splitter.sizes()[0] == 0:
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+ self.app.ui.splitter.setSizes([1, 1])
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+ else:
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+ try:
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+ if self.app.ui.tool_scroll_area.widget().objectName() == self.toolName:
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+ # if tab is populated with the tool but it does not have the focus, focus on it
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+ if not self.app.ui.notebook.currentWidget() is self.app.ui.tool_tab:
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+ # focus on Tool Tab
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+ self.app.ui.notebook.setCurrentWidget(self.app.ui.tool_tab)
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+ else:
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+ self.app.ui.splitter.setSizes([0, 1])
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+ except AttributeError:
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+ pass
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+ else:
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+ if self.app.ui.splitter.sizes()[0] == 0:
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+ self.app.ui.splitter.setSizes([1, 1])
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+
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+ FlatCAMTool.run(self)
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+ self.set_tool_ui()
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+
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+ self.app.ui.notebook.setTabText(2, _("Invert Tool"))
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+
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+ def set_tool_ui(self):
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+ self.margin_entry.set_value(0.0)
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+
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+ def on_grb_invert(self):
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+ margin = self.margin_entry.get_value()
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+ if round(margin, self.decimals) == 0.0:
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+ margin = 1E-10
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+
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+ grb_circle_steps = int(self.app.defaults["gerber_circle_steps"])
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+ obj_name = self.gerber_combo.currentText()
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+
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+ outname = obj_name + "_inverted"
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+
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+ # Get source object.
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+ try:
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+ grb_obj = self.app.collection.get_by_name(obj_name)
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+ except Exception as e:
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+ self.app.inform.emit('[ERROR_NOTCL] %s: %s' % (_("Could not retrieve object"), str(obj_name)))
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+ return "Could not retrieve object: %s with error: %s" % (obj_name, str(e))
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+
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+ if grb_obj is None:
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+ self.app.inform.emit('[ERROR_NOTCL] %s: %s' % (_("Object not found"), str(obj_name)))
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+ return
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+
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+ xmin, ymin, xmax, ymax = grb_obj.bounds()
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+
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+ grb_box = box(xmin, ymin, xmax, ymax).buffer(margin, resolution=grb_circle_steps, join_style=2)
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+
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+ try:
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+ __ = iter(grb_obj.solid_geometry)
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+ except TypeError:
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+ grb_obj.solid_geometry = list(grb_obj.solid_geometry)
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+
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+ new_solid_geometry = deepcopy(grb_box)
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+
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+ for poly in grb_obj.solid_geometry:
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+ new_solid_geometry = new_solid_geometry.difference(poly)
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+
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+ new_options = dict()
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+ for opt in grb_obj.options:
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+ new_options[opt] = deepcopy(grb_obj.options[opt])
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+
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+ new_apertures = dict()
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+
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+ # for apid, val in grb_obj.apertures.items():
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+ # new_apertures[apid] = dict()
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+ # for key in val:
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+ # if key == 'geometry':
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+ # new_apertures[apid]['geometry'] = list()
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+ # for elem in val['geometry']:
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+ # geo_elem = dict()
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+ # if 'follow' in elem:
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+ # try:
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+ # geo_elem['clear'] = elem['follow'].buffer(val['size'] / 2.0).exterior
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+ # except AttributeError:
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+ # # TODO should test if width or height is bigger
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+ # geo_elem['clear'] = elem['follow'].buffer(val['width'] / 2.0).exterior
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+ # if 'clear' in elem:
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+ # if isinstance(elem['clear'], Polygon):
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+ # try:
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+ # geo_elem['solid'] = elem['clear'].buffer(val['size'] / 2.0, grb_circle_steps)
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+ # except AttributeError:
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+ # # TODO should test if width or height is bigger
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+ # geo_elem['solid'] = elem['clear'].buffer(val['width'] / 2.0, grb_circle_steps)
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+ # else:
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+ # geo_elem['follow'] = elem['clear']
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+ # new_apertures[apid]['geometry'].append(deepcopy(geo_elem))
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+ # else:
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+ # new_apertures[apid][key] = deepcopy(val[key])
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+
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+ if '0' not in new_apertures:
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+ new_apertures['0'] = dict()
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+ new_apertures['0']['type'] = 'C'
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+ new_apertures['0']['size'] = 0.0
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+ new_apertures['0']['geometry'] = list()
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+
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+ try:
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+ for poly in new_solid_geometry:
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+ new_el = dict()
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+ new_el['solid'] = poly
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+ new_el['follow'] = poly.exterior
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+ new_apertures['0']['geometry'].append(new_el)
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+ except TypeError:
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+ new_el = dict()
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+ new_el['solid'] = new_solid_geometry
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+ new_el['follow'] = new_solid_geometry.exterior
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+ new_apertures['0']['geometry'].append(new_el)
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+
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+ for td in new_apertures:
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+ print(td, new_apertures[td])
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+
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+ def init_func(new_obj, app_obj):
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+ new_obj.options.update(new_options)
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+ new_obj.options['name'] = outname
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+ new_obj.fill_color = deepcopy(grb_obj.fill_color)
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+ new_obj.outline_color = deepcopy(grb_obj.outline_color)
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+
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+ new_obj.apertures = deepcopy(new_apertures)
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+
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+ new_obj.solid_geometry = deepcopy(new_solid_geometry)
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+ new_obj.source_file = self.app.export_gerber(obj_name=outname, filename=None,
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+ local_use=new_obj, use_thread=False)
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+
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+ self.app.new_object('gerber', outname, init_func)
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+
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+ def reset_fields(self):
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+ self.gerber_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
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+
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+ @staticmethod
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+ def poly2rings(poly):
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+ return [poly.exterior] + [interior for interior in poly.interiors]
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+# end of file
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Marius Stanciu
