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+############################################################
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+# FlatCAM: 2D Post-processing for Manufacturing #
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+# http://flatcam.org #
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+# File Author: Marius Adrian Stanciu (c) #
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+# Date: 4/24/2019 #
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+# MIT Licence #
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+############################################################
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+
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+
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+from FlatCAMTool import FlatCAMTool
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+# from copy import copy, deepcopy
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+from ObjectCollection import *
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+# import time
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+
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+import gettext
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+import FlatCAMTranslation as fcTranslate
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+from shapely.geometry import base
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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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+
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+class ToolSilk(FlatCAMTool):
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+
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+ toolName = _("Silkscreen Tool")
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+
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+ def __init__(self, app):
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+ self.app = app
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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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+ form_layout = QtWidgets.QFormLayout()
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+ self.tools_box.addLayout(form_layout)
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+
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+ # Object Silkscreen
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+ self.silk_object_combo = QtWidgets.QComboBox()
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+ self.silk_object_combo.setModel(self.app.collection)
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+ self.silk_object_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
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+ self.silk_object_combo.setCurrentIndex(1)
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+
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+ self.silk_object_label = QtWidgets.QLabel("Silk Gerber:")
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+ self.silk_object_label.setToolTip(
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+ _("Silkscreen Gerber object to be adjusted\n"
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+ "so it does not intersects the soldermask.")
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+ )
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+ e_lab_0 = QtWidgets.QLabel('')
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+
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+ form_layout.addRow(self.silk_object_label, self.silk_object_combo)
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+
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+ # Object Soldermask
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+ self.sm_object_combo = QtWidgets.QComboBox()
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+ self.sm_object_combo.setModel(self.app.collection)
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+ self.sm_object_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
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+ self.sm_object_combo.setCurrentIndex(1)
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+
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+ self.sm_object_label = QtWidgets.QLabel("SM Gerber:")
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+ self.sm_object_label.setToolTip(
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+ _("Soldermask Gerber object that will adjust\n"
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+ "the silkscreen so it does not overlap.")
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+ )
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+ e_lab_1 = QtWidgets.QLabel('')
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+
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+ form_layout.addRow(self.sm_object_label, self.sm_object_combo)
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+ form_layout.addRow(e_lab_1)
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+
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+ self.intersect_btn = FCButton(_('Remove overlap'))
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+ self.intersect_btn.setToolTip(
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+ _("Remove the silkscreen geometry\n"
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+ "that overlaps over the soldermask.")
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+ )
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+ self.tools_box.addWidget(self.intersect_btn)
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+
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+ self.tools_box.addStretch()
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+
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+ # QTimer for periodic check
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+ self.check_thread = QtCore.QTimer()
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+ # Every time an intersection job is started we add a promise; every time an intersection job is finished
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+ # we remove a promise.
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+ # When empty we start the layer rendering
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+ self.promises = []
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+
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+ self.new_apertures = {}
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+ self.new_solid_geometry = []
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+
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+ self.solder_union = None
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+
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+ self.intersect_btn.clicked.connect(self.on_intersection_click)
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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='ALT+N', **kwargs)
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+
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+ def run(self, toggle=True):
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+ self.app.report_usage("ToolNonCopperClear()")
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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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+ 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.new_apertures.clear()
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+ self.new_solid_geometry = []
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+
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+ self.app.ui.notebook.setTabText(2, _("Silk Tool"))
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+
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+ def set_tool_ui(self):
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+ self.tools_frame.show()
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+
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+ def on_intersection_click(self):
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+ self.silk_obj_name = self.silk_object_combo.currentText()
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+ # Get source object.
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+ try:
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+ self.silk_obj = self.app.collection.get_by_name(self.silk_obj_name)
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+ except:
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+ self.app.inform.emit(_("[ERROR_NOTCL] Could not retrieve object: %s") % self.obj_name)
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+ return "Could not retrieve object: %s" % self.silk_obj_name
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+
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+ self.sm_obj_name = self.silk_object_combo.currentText()
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+ # Get source object.
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+ try:
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+ self.sm_obj = self.app.collection.get_by_name(self.sm_obj_name)
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+ except:
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+ self.app.inform.emit(_("[ERROR_NOTCL] Could not retrieve object: %s") % self.obj_name)
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+ return "Could not retrieve object: %s" % self.sm_obj_name
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+
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+ # crate the new_apertures dict structure
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+ for apid in self.silk_obj.apertures:
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+ self.new_apertures[apid] = {}
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+ self.new_apertures[apid]['type'] = 'C'
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+ self.new_apertures[apid]['size'] = self.silk_obj.apertures[apid]['size']
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+ self.new_apertures[apid]['solid_geometry'] = []
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+
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+ geo_union_list = []
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+ for apid1 in self.sm_obj.apertures:
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+ geo_union_list += self.sm_obj.apertures[apid1]['solid_geometry']
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+ self.solder_union = cascaded_union(geo_union_list)
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+
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+ # start the QTimer with 1 second period check
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+ self.periodic_check(1000)
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+ for apid in self.silk_obj.apertures:
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+ ap_size = self.silk_obj.apertures[apid]['size']
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+ geo_list = self.silk_obj.apertures[apid]['solid_geometry']
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+ self.app.worker_task.emit({'fcn': self.aperture_intersection,
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+ 'params': [apid, ap_size, geo_list]})
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+
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+ def aperture_intersection(self, aperture_id, aperture_size, geo_list):
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+ self.promises.append(aperture_id)
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+ new_solid_geometry = []
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+
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+ with self.app.proc_container.new(_("Parsing aperture %s geometry ..." % str(aperture_id))):
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+ for geo_silk in geo_list:
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+ for sm_ap in self.sm_obj.apertures:
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+ for key in self.sm_obj.apertures[sm_ap]:
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+ if key == 'solid_geometry':
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+ if geo_silk.intersects(self.solder_union):
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+ new_geo = geo_silk.symmetric_difference(self.solder_union)
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+ # if the resulting geometry is not empty add it to the new_apertures solid_geometry
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+ if type(new_geo) == MultiPolygon:
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+ for g in new_geo:
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+ new_solid_geometry.append(g)
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+ else:
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+ new_solid_geometry.append(new_geo)
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+
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+ else:
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+ new_solid_geometry.append(geo_silk)
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+
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+ # while not self.new_apertures[aperture_id]['solid_geometry']:
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+ try:
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+ self.new_apertures[aperture_id]['solid_geometry'] = new_solid_geometry
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+ except:
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+ pass
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+
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+ # while aperture_id in self.promises:
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+ # removal from list is done in a multithreaded way therefore not always the removal can be done
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+ try:
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+ self.promises.remove(aperture_id)
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+ except:
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+ pass
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+
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+ def periodic_check(self, check_period):
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+ """
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+ This function starts an QTimer and it will periodically check if intersections are done
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+
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+ :param check_period: time at which to check periodically
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+ :return:
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+ """
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+
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+ log.debug("ToolSilk --> Periodic Check started.")
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+
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+ try:
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+ self.check_thread.stop()
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+ except:
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+ pass
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+
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+ self.check_thread.setInterval(check_period)
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+ try:
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+ self.check_thread.timeout.disconnect(self.periodic_check_handler)
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+ except:
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+ pass
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+
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+ self.check_thread.timeout.connect(self.periodic_check_handler)
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+ self.check_thread.start(QtCore.QThread.HighPriority)
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+
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+ def periodic_check_handler(self):
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+ """
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+ If the intersections workers finished then start creating the solid_geometry
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+ :return:
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+ """
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+ # log.debug("checking parsing --> %s" % str(self.parsing_promises))
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+
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+ outname = self.silk_object_combo.currentText() + '_cleaned'
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+
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+ try:
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+ if not self.promises:
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+ self.check_thread.stop()
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+ # intersection jobs finished, start the creation of solid_geometry
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+ self.app.worker_task.emit({'fcn': self.new_silkscreen_object,
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+ 'params': [outname]})
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+
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+ log.debug("ToolPDF --> Periodic check finished.")
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+ except Exception:
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+ traceback.print_exc()
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+
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+ def new_silkscreen_object(self, outname):
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+
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+ def obj_init(grb_obj, app_obj):
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+
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+ grb_obj.apertures = deepcopy(self.new_apertures)
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+
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+ poly_buff = []
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+ for ap in self.new_apertures:
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+ for k in self.new_apertures[ap]:
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+ if k == 'solid_geometry':
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+ poly_buff += self.new_apertures[ap][k]
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+
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+ poly_buff = unary_union(poly_buff)
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+ try:
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+ poly_buff = poly_buff.buffer(0.0000001)
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+ except ValueError:
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+ pass
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+ try:
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+ poly_buff = poly_buff.buffer(-0.0000001)
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+ except ValueError:
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+ pass
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+
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+ grb_obj.solid_geometry = deepcopy(poly_buff)
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+ # self.new_apertures.clear()
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+
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+ with self.app.proc_container.new(_("Generating cleaned SS object ...")):
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+ ret = self.app.new_object('gerber', outname, obj_init, autoselected=False)
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+ if ret == 'fail':
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+ self.app.inform.emit(_('[ERROR_NOTCL] Generating SilkScreen file failed.'))
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+ return
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+ # Register recent file
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+ self.app.file_opened.emit('gerber', outname)
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+ # GUI feedback
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+ self.app.inform.emit(_("[success] Created: %s") % outname)
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+
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+ def reset_fields(self):
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+ self.silk_object_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
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+ self.sm_object_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
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+
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+
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Marius Stanciu
