Просмотр исходного кода

- fixed the PDF Tool when importing as Gerber objects
- moved all the parsing out of the PDF Tool to a new file ParsePDF in the flatcamParsers folder
- trying to fix the pixmap load crash when running a FlatCAMScript

Marius Stanciu 5 лет назад
Родитель
Сommit
1085d26b7b

+ 6 - 0
CHANGELOG.md

@@ -7,6 +7,12 @@ CHANGELOG for FlatCAM beta
 
 =================================================
 
+18.05.2020
+
+- fixed the PDF Tool when importing as Gerber objects
+- moved all the parsing out of the PDF Tool to a new file ParsePDF in the flatcamParsers folder
+- trying to fix the pixmap load crash when running a FlatCAMScript
+
 17.05.2020
 
 - added new FlatCAM Tool: Corner Markers Tool which will add line markers in the selected corners of the bounding box of the targeted Gerber object

+ 4 - 2
FlatCAMApp.py

@@ -9810,16 +9810,18 @@ class App(QtCore.QObject):
 
         App.log.debug(" **************** Finished PROJECT loading... **************** ")
 
-    def plot_all(self, fit_view=True, use_thread=True):
+    def plot_all(self, fit_view=True, muted=False, use_thread=True):
         """
         Re-generates all plots from all objects.
 
         :param fit_view:    if True will plot the objects and will adjust the zoom to fit all plotted objects into view
+        :param muted:       if True don't print messages
         :param use_thread:  if True will use threading for plotting the objects
         :return:            None
         """
         self.log.debug("Plot_all()")
-        self.inform.emit('[success] %s...' % _("Redrawing all objects"))
+        if muted is not True:
+            self.inform.emit('[success] %s...' % _("Redrawing all objects"))
 
         for plot_obj in self.collection.get_list():
             def worker_task(obj):

+ 14 - 12
flatcamGUI/FlatCAMGUI.py

@@ -4300,6 +4300,8 @@ class FlatCAMInfoBar(QtWidgets.QWidget):
         self.pmap = QtGui.QPixmap(self.app.resource_location + '/graylight12.png')
         self.icon.setPixmap(self.pmap)
 
+        self.lock_pmaps = False
+
         layout = QtWidgets.QHBoxLayout()
         layout.setContentsMargins(5, 0, 5, 0)
         self.setLayout(layout)
@@ -4311,7 +4313,6 @@ class FlatCAMInfoBar(QtWidgets.QWidget):
         self.text.setToolTip(_("Hello!"))
 
         layout.addWidget(self.text)
-
         layout.addStretch()
 
     def set_text_(self, text, color=None):
@@ -4323,17 +4324,18 @@ class FlatCAMInfoBar(QtWidgets.QWidget):
     def set_status(self, text, level="info"):
         level = str(level)
 
-        self.pmap.fill()
-        if level == "ERROR" or level == "ERROR_NOTCL":
-            self.pmap = QtGui.QPixmap(self.app.resource_location + '/redlight12.png')
-        elif level.lower() == "success":
-            self.pmap = QtGui.QPixmap(self.app.resource_location + '/greenlight12.png')
-        elif level == "WARNING" or level == "WARNING_NOTCL":
-            self.pmap = QtGui.QPixmap(self.app.resource_location + '/yellowlight12.png')
-        elif level.lower() == "selected":
-            self.pmap = QtGui.QPixmap(self.app.resource_location + '/bluelight12.png')
-        else:
-            self.pmap = QtGui.QPixmap(self.app.resource_location + '/graylight12.png')
+        if self.lock_pmaps is not True:
+            self.pmap.fill()
+            if level == "ERROR" or level == "ERROR_NOTCL":
+                self.pmap = QtGui.QPixmap(self.app.resource_location + '/redlight12.png')
+            elif level.lower() == "success":
+                self.pmap = QtGui.QPixmap(self.app.resource_location + '/greenlight12.png')
+            elif level == "WARNING" or level == "WARNING_NOTCL":
+                self.pmap = QtGui.QPixmap(self.app.resource_location + '/yellowlight12.png')
+            elif level.lower() == "selected":
+                self.pmap = QtGui.QPixmap(self.app.resource_location + '/bluelight12.png')
+            else:
+                self.pmap = QtGui.QPixmap(self.app.resource_location + '/graylight12.png')
 
         try:
             self.set_text_(text)

+ 8 - 3
flatcamObjects/FlatCAMScript.py

@@ -183,7 +183,13 @@ class ScriptObject(FlatCAMObj):
         if self.app.ui.shell_dock.isHidden():
             self.app.ui.shell_dock.show()
 
-        self.script_code = deepcopy(self.script_editor_tab.code_editor.toPlainText())
+        self.app.shell.open_processing()  # Disables input box.
+
+        # make sure that the pixmaps are not updated when running this as they will crash
+        # TODO find why the pixmaps load crash when run from this object (perhaps another thread?)
+        self.app.ui.fcinfo.lock_pmaps = True
+
+        self.script_code = self.script_editor_tab.code_editor.toPlainText()
 
         old_line = ''
         for tcl_command_line in self.script_code.splitlines():
@@ -202,8 +208,6 @@ class ScriptObject(FlatCAMObj):
 
                 # execute the actual Tcl command
                 try:
-                    self.app.shell.open_processing()  # Disables input box.
-
                     result = self.app.shell.tcl.eval(str(new_command))
                     if result != 'None':
                         self.app.shell.append_output(result + '\n')
@@ -220,6 +224,7 @@ class ScriptObject(FlatCAMObj):
             log.error("Exec command Exception: %s\n" % result)
             self.app.shell.append_error('ERROR: %s\n '% result)
 
+        self.app.ui.fcinfo.lock_pmaps = False
         self.app.shell.close_processing()
 
     def on_autocomplete_changed(self, state):

+ 1080 - 0
flatcamParsers/ParsePDF.py

@@ -0,0 +1,1080 @@
+# ##########################################################
+# FlatCAM: 2D Post-processing for Manufacturing            #
+# File Author: Marius Adrian Stanciu (c)                   #
+# Date: 4/23/2019                                          #
+# MIT Licence                                              #
+# ##########################################################
+
+from PyQt5 import QtCore
+
+from FlatCAMCommon import GracefulException as grace
+
+from shapely.geometry import Polygon, LineString, MultiPolygon
+
+from copy import copy, deepcopy
+import numpy as np
+import re
+import logging
+
+log = logging.getLogger('base')
+
+
+class PdfParser(QtCore.QObject):
+
+    def __init__(self, app):
+        super().__init__()
+        self.app = app
+        self.step_per_circles = self.app.defaults["gerber_circle_steps"]
+
+        # detect stroke color change; it means a new object to be created
+        self.stroke_color_re = re.compile(r'^\s*(\d+\.?\d*) (\d+\.?\d*) (\d+\.?\d*)\s*RG$')
+
+        # detect fill color change; we check here for white color (transparent geometry);
+        # if detected we create an Excellon from it
+        self.fill_color_re = re.compile(r'^\s*(\d+\.?\d*) (\d+\.?\d*) (\d+\.?\d*)\s*rg$')
+
+        # detect 're' command
+        self.rect_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*re$')
+        # detect 'm' command
+        self.start_subpath_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\sm$')
+        # detect 'l' command
+        self.draw_line_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\sl')
+        # detect 'c' command
+        self.draw_arc_3pt_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)'
+                                          r'\s(-?\d+\.?\d*)\s*c$')
+        # detect 'v' command
+        self.draw_arc_2pt_c1start_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*v$')
+        # detect 'y' command
+        self.draw_arc_2pt_c2stop_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*y$')
+        # detect 'h' command
+        self.end_subpath_re = re.compile(r'^h$')
+
+        # detect 'w' command
+        self.strokewidth_re = re.compile(r'^(\d+\.?\d*)\s*w$')
+        # detect 'S' command
+        self.stroke_path__re = re.compile(r'^S\s?[Q]?$')
+        # detect 's' command
+        self.close_stroke_path__re = re.compile(r'^s$')
+        # detect 'f' or 'f*' command
+        self.fill_path_re = re.compile(r'^[f|F][*]?$')
+        # detect 'B' or 'B*' command
+        self.fill_stroke_path_re = re.compile(r'^B[*]?$')
+        # detect 'b' or 'b*' command
+        self.close_fill_stroke_path_re = re.compile(r'^b[*]?$')
+        # detect 'n'
+        self.no_op_re = re.compile(r'^n$')
+
+        # detect offset transformation. Pattern: (1) (0) (0) (1) (x) (y)
+        # self.offset_re = re.compile(r'^1\.?0*\s0?\.?0*\s0?\.?0*\s1\.?0*\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*cm$')
+        # detect scale transformation. Pattern: (factor_x) (0) (0) (factor_y) (0) (0)
+        # self.scale_re = re.compile(r'^q? (-?\d+\.?\d*) 0\.?0* 0\.?0* (-?\d+\.?\d*) 0\.?0* 0\.?0*\s+cm$')
+        # detect combined transformation. Should always be the last
+        self.combined_transform_re = re.compile(r'^(q)?\s*(-?\d+\.?\d*) (-?\d+\.?\d*) (-?\d+\.?\d*) (-?\d+\.?\d*) '
+                                                r'(-?\d+\.?\d*) (-?\d+\.?\d*)\s+cm$')
+
+        # detect clipping path
+        self.clip_path_re = re.compile(r'^W[*]? n?$')
+
+        # detect save graphic state in graphic stack
+        self.save_gs_re = re.compile(r'^q.*?$')
+
+        # detect restore graphic state from graphic stack
+        self.restore_gs_re = re.compile(r'^.*Q.*$')
+
+        # graphic stack where we save parameters like transformation, line_width
+        self.gs = {}
+        # each element is a list composed of sublist elements
+        # (each sublist has 2 lists each having 2 elements: first is offset like:
+        # offset_geo = [off_x, off_y], second element is scale list with 2 elements, like: scale_geo = [sc_x, sc_yy])
+        self.gs['transform'] = []
+        self.gs['line_width'] = []  # each element is a float
+
+        # conversion factor to INCH
+        self.point_to_unit_factor = 0.01388888888
+
+    def parse_pdf(self, pdf_content):
+
+        # the UNITS in PDF files are points and here we set the factor to convert them to real units (either MM or INCH)
+        if self.app.defaults['units'].upper() == 'MM':
+            # 1 inch = 72 points => 1 point = 1 / 72 = 0.01388888888 inch = 0.01388888888 inch * 25.4 = 0.35277777778 mm
+            self.point_to_unit_factor = 25.4 / 72
+        else:
+            # 1 inch = 72 points => 1 point = 1 / 72 = 0.01388888888 inch
+            self.point_to_unit_factor = 1 / 72
+
+        path = {}
+        path['lines'] = []  # it's a list of lines subpaths
+        path['bezier'] = []  # it's a list of bezier arcs subpaths
+        path['rectangle'] = []  # it's a list of rectangle subpaths
+
+        subpath = {}
+        subpath['lines'] = []  # it's a list of points
+        subpath['bezier'] = []  # it's a list of sublists each like this [start, c1, c2, stop]
+        subpath['rectangle'] = []  # it's a list of sublists of points
+
+        # store the start point (when 'm' command is encountered)
+        current_subpath = None
+
+        # set True when 'h' command is encountered (close subpath)
+        close_subpath = False
+
+        start_point = None
+        current_point = None
+        size = 0
+
+        # initial values for the transformations, in case they are not encountered in the PDF file
+        offset_geo = [0, 0]
+        scale_geo = [1, 1]
+
+        # store the objects to be transformed into Gerbers
+        object_dict = {}
+        # will serve as key in the object_dict
+        layer_nr = 1
+        # create first object
+        object_dict[layer_nr] = {}
+
+        # store the apertures here
+        apertures_dict = {}
+
+        # initial aperture
+        aperture = 10
+
+        # store the apertures with clear geometry here
+        # we are interested only in the circular geometry (drill holes) therefore we target only Bezier subpaths
+        clear_apertures_dict = {}
+        # everything will be stored in the '0' aperture since we are dealing with clear polygons not strokes
+        clear_apertures_dict['0'] = {}
+        clear_apertures_dict['0']['size'] = 0.0
+        clear_apertures_dict['0']['type'] = 'C'
+        clear_apertures_dict['0']['geometry'] = []
+
+        # on stroke color change we create a new apertures dictionary and store the old one in a storage from where
+        # it will be transformed into Gerber object
+        old_color = [None, None, None]
+
+        # signal that we have clear geometry and the geometry will be added to a special layer_nr = 0
+        flag_clear_geo = False
+
+        line_nr = 0
+        lines = pdf_content.splitlines()
+
+        for pline in lines:
+            if self.app.abort_flag:
+                # graceful abort requested by the user
+                raise grace
+
+            line_nr += 1
+            log.debug("line %d: %s" % (line_nr, pline))
+
+            # COLOR DETECTION / OBJECT DETECTION
+            match = self.stroke_color_re.search(pline)
+            if match:
+                color = [float(match.group(1)), float(match.group(2)), float(match.group(3))]
+                log.debug(
+                    "ToolPDF.parse_pdf() --> STROKE Color change on line: %s --> RED=%f GREEN=%f BLUE=%f" %
+                    (line_nr, color[0], color[1], color[2]))
+
+                if color[0] == old_color[0] and color[1] == old_color[1] and color[2] == old_color[2]:
+                    # same color, do nothing
+                    continue
+                else:
+                    if apertures_dict:
+                        object_dict[layer_nr] = deepcopy(apertures_dict)
+                        apertures_dict.clear()
+                        layer_nr += 1
+
+                        object_dict[layer_nr] = {}
+                old_color = copy(color)
+                # we make sure that the following geometry is added to the right storage
+                flag_clear_geo = False
+                continue
+
+            # CLEAR GEOMETRY detection
+            match = self.fill_color_re.search(pline)
+            if match:
+                fill_color = [float(match.group(1)), float(match.group(2)), float(match.group(3))]
+                log.debug(
+                    "ToolPDF.parse_pdf() --> FILL Color change on line: %s --> RED=%f GREEN=%f BLUE=%f" %
+                    (line_nr, fill_color[0], fill_color[1], fill_color[2]))
+                # if the color is white we are seeing 'clear_geometry' that can't be seen. It may be that those
+                # geometries are actually holes from which we can make an Excellon file
+                if fill_color[0] == 1 and fill_color[1] == 1 and fill_color[2] == 1:
+                    flag_clear_geo = True
+                else:
+                    flag_clear_geo = False
+                continue
+
+            # TRANSFORMATIONS DETECTION #
+
+            # Detect combined transformation.
+            match = self.combined_transform_re.search(pline)
+            if match:
+                # detect save graphic stack event
+                # sometimes they combine save_to_graphics_stack with the transformation on the same line
+                if match.group(1) == 'q':
+                    log.debug(
+                        "ToolPDF.parse_pdf() --> Save to GS found on line: %s --> offset=[%f, %f] ||| scale=[%f, %f]" %
+                        (line_nr, offset_geo[0], offset_geo[1], scale_geo[0], scale_geo[1]))
+
+                    self.gs['transform'].append(deepcopy([offset_geo, scale_geo]))
+                    self.gs['line_width'].append(deepcopy(size))
+
+                # transformation = TRANSLATION (OFFSET)
+                if (float(match.group(3)) == 0 and float(match.group(4)) == 0) and \
+                        (float(match.group(6)) != 0 or float(match.group(7)) != 0):
+                    log.debug(
+                        "ToolPDF.parse_pdf() --> OFFSET transformation found on line: %s --> %s" % (line_nr, pline))
+
+                    offset_geo[0] += float(match.group(6))
+                    offset_geo[1] += float(match.group(7))
+                    # log.debug("Offset= [%f, %f]" % (offset_geo[0], offset_geo[1]))
+
+                # transformation = SCALING
+                if float(match.group(2)) != 1 and float(match.group(5)) != 1:
+                    log.debug(
+                        "ToolPDF.parse_pdf() --> SCALE transformation found on line: %s --> %s" % (line_nr, pline))
+
+                    scale_geo[0] *= float(match.group(2))
+                    scale_geo[1] *= float(match.group(5))
+                # log.debug("Scale= [%f, %f]" % (scale_geo[0], scale_geo[1]))
+
+                continue
+
+            # detect save graphic stack event
+            match = self.save_gs_re.search(pline)
+            if match:
+                log.debug(
+                    "ToolPDF.parse_pdf() --> Save to GS found on line: %s --> offset=[%f, %f] ||| scale=[%f, %f]" %
+                    (line_nr, offset_geo[0], offset_geo[1], scale_geo[0], scale_geo[1]))
+                self.gs['transform'].append(deepcopy([offset_geo, scale_geo]))
+                self.gs['line_width'].append(deepcopy(size))
+
+            # detect restore from graphic stack event
+            match = self.restore_gs_re.search(pline)
+            if match:
+                try:
+                    restored_transform = self.gs['transform'].pop(-1)
+                    offset_geo = restored_transform[0]
+                    scale_geo = restored_transform[1]
+                except IndexError:
+                    # nothing to remove
+                    log.debug("ToolPDF.parse_pdf() --> Nothing to restore")
+                    pass
+
+                try:
+                    size = self.gs['line_width'].pop(-1)
+                except IndexError:
+                    log.debug("ToolPDF.parse_pdf() --> Nothing to restore")
+                    # nothing to remove
+                    pass
+
+                log.debug(
+                    "ToolPDF.parse_pdf() --> Restore from GS found on line: %s --> "
+                    "restored_offset=[%f, %f] ||| restored_scale=[%f, %f]" %
+                    (line_nr, offset_geo[0], offset_geo[1], scale_geo[0], scale_geo[1]))
+                # log.debug("Restored Offset= [%f, %f]" % (offset_geo[0], offset_geo[1]))
+                # log.debug("Restored Scale= [%f, %f]" % (scale_geo[0], scale_geo[1]))
+
+            # PATH CONSTRUCTION #
+
+            # Start SUBPATH
+            match = self.start_subpath_re.search(pline)
+            if match:
+                # we just started a subpath so we mark it as not closed yet
+                close_subpath = False
+
+                # init subpaths
+                subpath['lines'] = []
+                subpath['bezier'] = []
+                subpath['rectangle'] = []
+
+                # detect start point to move to
+                x = float(match.group(1)) + offset_geo[0]
+                y = float(match.group(2)) + offset_geo[1]
+                pt = (x * self.point_to_unit_factor * scale_geo[0],
+                      y * self.point_to_unit_factor * scale_geo[1])
+                start_point = pt
+
+                # add the start point to subpaths
+                subpath['lines'].append(start_point)
+                # subpath['bezier'].append(start_point)
+                # subpath['rectangle'].append(start_point)
+                current_point = start_point
+                continue
+
+            # Draw Line
+            match = self.draw_line_re.search(pline)
+            if match:
+                current_subpath = 'lines'
+                x = float(match.group(1)) + offset_geo[0]
+                y = float(match.group(2)) + offset_geo[1]
+                pt = (x * self.point_to_unit_factor * scale_geo[0],
+                      y * self.point_to_unit_factor * scale_geo[1])
+                subpath['lines'].append(pt)
+                current_point = pt
+                continue
+
+            # Draw Bezier 'c'
+            match = self.draw_arc_3pt_re.search(pline)
+            if match:
+                current_subpath = 'bezier'
+                start = current_point
+                x = float(match.group(1)) + offset_geo[0]
+                y = float(match.group(2)) + offset_geo[1]
+                c1 = (x * self.point_to_unit_factor * scale_geo[0],
+                      y * self.point_to_unit_factor * scale_geo[1])
+                x = float(match.group(3)) + offset_geo[0]
+                y = float(match.group(4)) + offset_geo[1]
+                c2 = (x * self.point_to_unit_factor * scale_geo[0],
+                      y * self.point_to_unit_factor * scale_geo[1])
+                x = float(match.group(5)) + offset_geo[0]
+                y = float(match.group(6)) + offset_geo[1]
+                stop = (x * self.point_to_unit_factor * scale_geo[0],
+                        y * self.point_to_unit_factor * scale_geo[1])
+
+                subpath['bezier'].append([start, c1, c2, stop])
+                current_point = stop
+                continue
+
+            # Draw Bezier 'v'
+            match = self.draw_arc_2pt_c1start_re.search(pline)
+            if match:
+                current_subpath = 'bezier'
+                start = current_point
+                x = float(match.group(1)) + offset_geo[0]
+                y = float(match.group(2)) + offset_geo[1]
+                c2 = (x * self.point_to_unit_factor * scale_geo[0],
+                      y * self.point_to_unit_factor * scale_geo[1])
+                x = float(match.group(3)) + offset_geo[0]
+                y = float(match.group(4)) + offset_geo[1]
+                stop = (x * self.point_to_unit_factor * scale_geo[0],
+                        y * self.point_to_unit_factor * scale_geo[1])
+
+                subpath['bezier'].append([start, start, c2, stop])
+                current_point = stop
+                continue
+
+            # Draw Bezier 'y'
+            match = self.draw_arc_2pt_c2stop_re.search(pline)
+            if match:
+                start = current_point
+                x = float(match.group(1)) + offset_geo[0]
+                y = float(match.group(2)) + offset_geo[1]
+                c1 = (x * self.point_to_unit_factor * scale_geo[0],
+                      y * self.point_to_unit_factor * scale_geo[1])
+                x = float(match.group(3)) + offset_geo[0]
+                y = float(match.group(4)) + offset_geo[1]
+                stop = (x * self.point_to_unit_factor * scale_geo[0],
+                        y * self.point_to_unit_factor * scale_geo[1])
+
+                subpath['bezier'].append([start, c1, stop, stop])
+                current_point = stop
+                continue
+
+            # Draw Rectangle 're'
+            match = self.rect_re.search(pline)
+            if match:
+                current_subpath = 'rectangle'
+                x = (float(match.group(1)) + offset_geo[0]) * self.point_to_unit_factor * scale_geo[0]
+                y = (float(match.group(2)) + offset_geo[1]) * self.point_to_unit_factor * scale_geo[1]
+                width = (float(match.group(3)) + offset_geo[0]) * self.point_to_unit_factor * scale_geo[0]
+                height = (float(match.group(4)) + offset_geo[1]) * self.point_to_unit_factor * scale_geo[1]
+                pt1 = (x, y)
+                pt2 = (x + width, y)
+                pt3 = (x + width, y + height)
+                pt4 = (x, y + height)
+                subpath['rectangle'] += [pt1, pt2, pt3, pt4, pt1]
+                current_point = pt1
+                continue
+
+            # Detect clipping path set
+            # ignore this and delete the current subpath
+            match = self.clip_path_re.search(pline)
+            if match:
+                subpath['lines'] = []
+                subpath['bezier'] = []
+                subpath['rectangle'] = []
+                # it means that we've already added the subpath to path and we need to delete it
+                # clipping path is usually either rectangle or lines
+                if close_subpath is True:
+                    close_subpath = False
+                    if current_subpath == 'lines':
+                        path['lines'].pop(-1)
+                    if current_subpath == 'rectangle':
+                        path['rectangle'].pop(-1)
+                continue
+
+            # Close SUBPATH
+            match = self.end_subpath_re.search(pline)
+            if match:
+                close_subpath = True
+                if current_subpath == 'lines':
+                    subpath['lines'].append(start_point)
+                    # since we are closing the subpath add it to the path, a path may have chained subpaths
+                    path['lines'].append(copy(subpath['lines']))
+                    subpath['lines'] = []
+                elif current_subpath == 'bezier':
+                    # subpath['bezier'].append(start_point)
+                    # since we are closing the subpath add it to the path, a path may have chained subpaths
+                    path['bezier'].append(copy(subpath['bezier']))
+                    subpath['bezier'] = []
+                elif current_subpath == 'rectangle':
+                    # subpath['rectangle'].append(start_point)
+                    # since we are closing the subpath add it to the path, a path may have chained subpaths
+                    path['rectangle'].append(copy(subpath['rectangle']))
+                    subpath['rectangle'] = []
+                continue
+
+            # PATH PAINTING #
+
+            # Detect Stroke width / aperture
+            match = self.strokewidth_re.search(pline)
+            if match:
+                size = float(match.group(1))
+                continue
+
+            # Detect No_Op command, ignore the current subpath
+            match = self.no_op_re.search(pline)
+            if match:
+                subpath['lines'] = []
+                subpath['bezier'] = []
+                subpath['rectangle'] = []
+                continue
+
+            # Stroke the path
+            match = self.stroke_path__re.search(pline)
+            if match:
+                # scale the size here; some PDF printers apply transformation after the size is declared
+                applied_size = size * scale_geo[0] * self.point_to_unit_factor
+                path_geo = []
+                if current_subpath == 'lines':
+                    if path['lines']:
+                        for subp in path['lines']:
+                            geo = copy(subp)
+                            try:
+                                geo = LineString(geo).buffer((float(applied_size) / 2),
+                                                             resolution=self.step_per_circles)
+                                path_geo.append(geo)
+                            except ValueError:
+                                pass
+                        # the path was painted therefore initialize it
+                        path['lines'] = []
+                    else:
+                        geo = copy(subpath['lines'])
+                        try:
+                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                            path_geo.append(geo)
+                        except ValueError:
+                            pass
+                        subpath['lines'] = []
+
+                if current_subpath == 'bezier':
+                    if path['bezier']:
+                        for subp in path['bezier']:
+                            geo = []
+                            for b in subp:
+                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                            try:
+                                geo = LineString(geo).buffer((float(applied_size) / 2),
+                                                             resolution=self.step_per_circles)
+                                path_geo.append(geo)
+                            except ValueError:
+                                pass
+                        # the path was painted therefore initialize it
+                        path['bezier'] = []
+                    else:
+                        geo = []
+                        for b in subpath['bezier']:
+                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                        try:
+                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                            path_geo.append(geo)
+                        except ValueError:
+                            pass
+                        subpath['bezier'] = []
+
+                if current_subpath == 'rectangle':
+                    if path['rectangle']:
+                        for subp in path['rectangle']:
+                            geo = copy(subp)
+                            try:
+                                geo = LineString(geo).buffer((float(applied_size) / 2),
+                                                             resolution=self.step_per_circles)
+                                path_geo.append(geo)
+                            except ValueError:
+                                pass
+                        # the path was painted therefore initialize it
+                        path['rectangle'] = []
+                    else:
+                        geo = copy(subpath['rectangle'])
+                        try:
+                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                            path_geo.append(geo)
+                        except ValueError:
+                            pass
+                        subpath['rectangle'] = []
+
+                # store the found geometry
+                found_aperture = None
+                if apertures_dict:
+                    for apid in apertures_dict:
+                        # if we already have an aperture with the current size (rounded to 5 decimals)
+                        if apertures_dict[apid]['size'] == round(applied_size, 5):
+                            found_aperture = apid
+                            break
+
+                    if found_aperture:
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
+                    else:
+                        if str(aperture) in apertures_dict.keys():
+                            aperture += 1
+                        apertures_dict[str(aperture)] = {}
+                        apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
+                        apertures_dict[str(aperture)]['type'] = 'C'
+                        apertures_dict[str(aperture)]['geometry'] = []
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+                else:
+                    apertures_dict[str(aperture)] = {}
+                    apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
+                    apertures_dict[str(aperture)]['type'] = 'C'
+                    apertures_dict[str(aperture)]['geometry'] = []
+                    for pdf_geo in path_geo:
+                        if isinstance(pdf_geo, MultiPolygon):
+                            for poly in pdf_geo:
+                                new_el = {}
+                                new_el['solid'] = poly
+                                new_el['follow'] = poly.exterior
+                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+                        else:
+                            new_el = {}
+                            new_el['solid'] = pdf_geo
+                            new_el['follow'] = pdf_geo.exterior
+                            apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+
+                continue
+
+            # Fill the path
+            match = self.fill_path_re.search(pline)
+            if match:
+                # scale the size here; some PDF printers apply transformation after the size is declared
+                applied_size = size * scale_geo[0] * self.point_to_unit_factor
+                path_geo = []
+
+                if current_subpath == 'lines':
+                    if path['lines']:
+                        for subp in path['lines']:
+                            geo = copy(subp)
+                            # close the subpath if it was not closed already
+                            if close_subpath is False:
+                                geo.append(geo[0])
+                            try:
+                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                                path_geo.append(geo_el)
+                            except ValueError:
+                                pass
+                        # the path was painted therefore initialize it
+                        path['lines'] = []
+                    else:
+                        geo = copy(subpath['lines'])
+                        # close the subpath if it was not closed already
+                        if close_subpath is False:
+                            geo.append(start_point)
+                        try:
+                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                            path_geo.append(geo_el)
+                        except ValueError:
+                            pass
+                        subpath['lines'] = []
+
+                if current_subpath == 'bezier':
+                    geo = []
+                    if path['bezier']:
+                        for subp in path['bezier']:
+                            for b in subp:
+                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                                # close the subpath if it was not closed already
+                                if close_subpath is False:
+                                    new_g = geo[0]
+                                    geo.append(new_g)
+                                try:
+                                    geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                                    path_geo.append(geo_el)
+                                except ValueError:
+                                    pass
+                        # the path was painted therefore initialize it
+                        path['bezier'] = []
+                    else:
+                        for b in subpath['bezier']:
+                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                        if close_subpath is False:
+                            geo.append(start_point)
+                        try:
+                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                            path_geo.append(geo_el)
+                        except ValueError:
+                            pass
+                        subpath['bezier'] = []
+
+                if current_subpath == 'rectangle':
+                    if path['rectangle']:
+                        for subp in path['rectangle']:
+                            geo = copy(subp)
+                            # # close the subpath if it was not closed already
+                            # if close_subpath is False and start_point is not None:
+                            #     geo.append(start_point)
+                            try:
+                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                                path_geo.append(geo_el)
+                            except ValueError:
+                                pass
+                        # the path was painted therefore initialize it
+                        path['rectangle'] = []
+                    else:
+                        geo = copy(subpath['rectangle'])
+                        # # close the subpath if it was not closed already
+                        # if close_subpath is False and start_point is not None:
+                        #     geo.append(start_point)
+                        try:
+                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                            path_geo.append(geo_el)
+                        except ValueError:
+                            pass
+                        subpath['rectangle'] = []
+
+                # we finished painting and also closed the path if it was the case
+                close_subpath = True
+
+                # in case that a color change to white (transparent) occurred
+                if flag_clear_geo is True:
+                    # if there was a fill color change we look for circular geometries from which we can make
+                    # drill holes for the Excellon file
+                    if current_subpath == 'bezier':
+                        # if there are geometries in the list
+                        if path_geo:
+                            try:
+                                for g in path_geo:
+                                    new_el = {}
+                                    new_el['clear'] = g
+                                    clear_apertures_dict['0']['geometry'].append(new_el)
+                            except TypeError:
+                                new_el = {}
+                                new_el['clear'] = path_geo
+                                clear_apertures_dict['0']['geometry'].append(new_el)
+
+                    # now that we finished searching for drill holes (this is not very precise because holes in the
+                    # polygon pours may appear as drill too, but .. hey you can't have it all ...) we add
+                    # clear_geometry
+                    try:
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['clear'] = poly
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['clear'] = pdf_geo
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                    except KeyError:
+                        # in case there is no stroke width yet therefore no aperture
+                        apertures_dict['0'] = {}
+                        apertures_dict['0']['size'] = applied_size
+                        apertures_dict['0']['type'] = 'C'
+                        apertures_dict['0']['geometry'] = []
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['clear'] = poly
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['clear'] = pdf_geo
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                else:
+                    # else, add the geometry as usual
+                    try:
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                    except KeyError:
+                        # in case there is no stroke width yet therefore no aperture
+                        apertures_dict['0'] = {}
+                        apertures_dict['0']['size'] = applied_size
+                        apertures_dict['0']['type'] = 'C'
+                        apertures_dict['0']['geometry'] = []
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                    continue
+
+            # Fill and Stroke the path
+            match = self.fill_stroke_path_re.search(pline)
+            if match:
+                # scale the size here; some PDF printers apply transformation after the size is declared
+                applied_size = size * scale_geo[0] * self.point_to_unit_factor
+                path_geo = []
+                fill_geo = []
+
+                if current_subpath == 'lines':
+                    if path['lines']:
+                        # fill
+                        for subp in path['lines']:
+                            geo = copy(subp)
+                            # close the subpath if it was not closed already
+                            if close_subpath is False:
+                                geo.append(geo[0])
+                            try:
+                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                                fill_geo.append(geo_el)
+                            except ValueError:
+                                pass
+                        # stroke
+                        for subp in path['lines']:
+                            geo = copy(subp)
+                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                            path_geo.append(geo)
+                        # the path was painted therefore initialize it
+                        path['lines'] = []
+                    else:
+                        # fill
+                        geo = copy(subpath['lines'])
+                        # close the subpath if it was not closed already
+                        if close_subpath is False:
+                            geo.append(start_point)
+                        try:
+                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                            fill_geo.append(geo_el)
+                        except ValueError:
+                            pass
+                        # stroke
+                        geo = copy(subpath['lines'])
+                        geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                        path_geo.append(geo)
+                        subpath['lines'] = []
+                        subpath['lines'] = []
+
+                if current_subpath == 'bezier':
+                    geo = []
+                    if path['bezier']:
+                        # fill
+                        for subp in path['bezier']:
+                            for b in subp:
+                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                                # close the subpath if it was not closed already
+                                if close_subpath is False:
+                                    geo.append(geo[0])
+                                try:
+                                    geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                                    fill_geo.append(geo_el)
+                                except ValueError:
+                                    pass
+                        # stroke
+                        for subp in path['bezier']:
+                            geo = []
+                            for b in subp:
+                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                            path_geo.append(geo)
+                        # the path was painted therefore initialize it
+                        path['bezier'] = []
+                    else:
+                        # fill
+                        for b in subpath['bezier']:
+                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                        if close_subpath is False:
+                            geo.append(start_point)
+                        try:
+                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                            fill_geo.append(geo_el)
+                        except ValueError:
+                            pass
+                        # stroke
+                        geo = []
+                        for b in subpath['bezier']:
+                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
+                        geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                        path_geo.append(geo)
+                        subpath['bezier'] = []
+
+                if current_subpath == 'rectangle':
+                    if path['rectangle']:
+                        # fill
+                        for subp in path['rectangle']:
+                            geo = copy(subp)
+                            # # close the subpath if it was not closed already
+                            # if close_subpath is False:
+                            #     geo.append(geo[0])
+                            try:
+                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                                fill_geo.append(geo_el)
+                            except ValueError:
+                                pass
+                        # stroke
+                        for subp in path['rectangle']:
+                            geo = copy(subp)
+                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                            path_geo.append(geo)
+                        # the path was painted therefore initialize it
+                        path['rectangle'] = []
+                    else:
+                        # fill
+                        geo = copy(subpath['rectangle'])
+                        # # close the subpath if it was not closed already
+                        # if close_subpath is False:
+                        #     geo.append(start_point)
+                        try:
+                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
+                            fill_geo.append(geo_el)
+                        except ValueError:
+                            pass
+                        # stroke
+                        geo = copy(subpath['rectangle'])
+                        geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
+                        path_geo.append(geo)
+                        subpath['rectangle'] = []
+
+                # we finished painting and also closed the path if it was the case
+                close_subpath = True
+
+                # store the found geometry for stroking the path
+                found_aperture = None
+                if apertures_dict:
+                    for apid in apertures_dict:
+                        # if we already have an aperture with the current size (rounded to 5 decimals)
+                        if apertures_dict[apid]['size'] == round(applied_size, 5):
+                            found_aperture = apid
+                            break
+
+                    if found_aperture:
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
+                    else:
+                        if str(aperture) in apertures_dict.keys():
+                            aperture += 1
+                        apertures_dict[str(aperture)] = {}
+                        apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
+                        apertures_dict[str(aperture)]['type'] = 'C'
+                        apertures_dict[str(aperture)]['geometry'] = []
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+                else:
+                    apertures_dict[str(aperture)] = {}
+                    apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
+                    apertures_dict[str(aperture)]['type'] = 'C'
+                    apertures_dict[str(aperture)]['geometry'] = []
+                    for pdf_geo in path_geo:
+                        if isinstance(pdf_geo, MultiPolygon):
+                            for poly in pdf_geo:
+                                new_el = {}
+                                new_el['solid'] = poly
+                                new_el['follow'] = poly.exterior
+                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+                        else:
+                            new_el = {}
+                            new_el['solid'] = pdf_geo
+                            new_el['follow'] = pdf_geo.exterior
+                            apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
+
+                # ############################################# ##
+                # store the found geometry for filling the path #
+                # ############################################# ##
+
+                # in case that a color change to white (transparent) occurred
+                if flag_clear_geo is True:
+                    try:
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in fill_geo:
+                                    new_el = {}
+                                    new_el['clear'] = poly
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['clear'] = pdf_geo
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                    except KeyError:
+                        # in case there is no stroke width yet therefore no aperture
+                        apertures_dict['0'] = {}
+                        apertures_dict['0']['size'] = round(applied_size, 5)
+                        apertures_dict['0']['type'] = 'C'
+                        apertures_dict['0']['geometry'] = []
+                        for pdf_geo in fill_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['clear'] = poly
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['clear'] = pdf_geo
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                else:
+                    try:
+                        for pdf_geo in path_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in fill_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                    except KeyError:
+                        # in case there is no stroke width yet therefore no aperture
+                        apertures_dict['0'] = {}
+                        apertures_dict['0']['size'] = round(applied_size, 5)
+                        apertures_dict['0']['type'] = 'C'
+                        apertures_dict['0']['geometry'] = []
+                        for pdf_geo in fill_geo:
+                            if isinstance(pdf_geo, MultiPolygon):
+                                for poly in pdf_geo:
+                                    new_el = {}
+                                    new_el['solid'] = poly
+                                    new_el['follow'] = poly.exterior
+                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
+                            else:
+                                new_el = {}
+                                new_el['solid'] = pdf_geo
+                                new_el['follow'] = pdf_geo.exterior
+                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
+
+                continue
+
+        # tidy up. copy the current aperture dict to the object dict but only if it is not empty
+        if apertures_dict:
+            object_dict[layer_nr] = deepcopy(apertures_dict)
+
+        if clear_apertures_dict['0']['geometry']:
+            object_dict[0] = deepcopy(clear_apertures_dict)
+
+        # delete keys (layers) with empty values
+        empty_layers = []
+        for layer in object_dict:
+            if not object_dict[layer]:
+                empty_layers.append(layer)
+        for x in empty_layers:
+            if x in object_dict:
+                object_dict.pop(x)
+
+        if self.app.abort_flag:
+            # graceful abort requested by the user
+            raise grace
+
+        return object_dict
+
+    def bezier_to_points(self, start, c1, c2, stop):
+        """
+        # Equation Bezier, page 184 PDF 1.4 reference
+        # https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/pdf_reference_archives/PDFReference.pdf
+        # Given the coordinates of the four points, the curve is generated by varying the parameter t from 0.0 to 1.0
+        # in the following equation:
+        # R(t) = P0*(1 - t) ** 3 + P1*3*t*(1 - t) ** 2 + P2 * 3*(1 - t) * t ** 2  + P3*t ** 3
+        # When t = 0.0, the value from the function coincides with the current point P0; when t = 1.0, R(t) coincides
+        # with the final point P3. Intermediate values of t generate intermediate points along the curve.
+        # The curve does not, in general, pass through the two control points P1 and P2
+
+        :return: A list of point coordinates tuples (x, y)
+        """
+
+        # here we store the geometric points
+        points = []
+
+        nr_points = np.arange(0.0, 1.0, (1 / self.step_per_circles))
+        for t in nr_points:
+            term_p0 = (1 - t) ** 3
+            term_p1 = 3 * t * (1 - t) ** 2
+            term_p2 = 3 * (1 - t) * t ** 2
+            term_p3 = t ** 3
+
+            x = start[0] * term_p0 + c1[0] * term_p1 + c2[0] * term_p2 + stop[0] * term_p3
+            y = start[1] * term_p0 + c1[1] * term_p1 + c2[1] * term_p2 + stop[1] * term_p3
+            points.append([x, y])
+
+        return points
+
+    # def bezier_to_circle(self, path):
+    #     lst = []
+    #     for el in range(len(path)):
+    #         if type(path) is list:
+    #             for coord in path[el]:
+    #                 lst.append(coord)
+    #         else:
+    #             lst.append(el)
+    #
+    #     if lst:
+    #         minx = min(lst, key=lambda t: t[0])[0]
+    #         miny = min(lst, key=lambda t: t[1])[1]
+    #         maxx = max(lst, key=lambda t: t[0])[0]
+    #         maxy = max(lst, key=lambda t: t[1])[1]
+    #         center = (maxx-minx, maxy-miny)
+    #         radius = (maxx-minx) / 2
+    #         return [center, radius]
+    #
+    # def circle_to_points(self, center, radius):
+    #     geo = Point(center).buffer(radius, resolution=self.step_per_circles)
+    #     return LineString(list(geo.exterior.coords))
+    #

+ 15 - 1065
flatcamTools/ToolPDF.py

@@ -9,12 +9,11 @@ from PyQt5 import QtWidgets, QtCore
 
 from FlatCAMTool import FlatCAMTool
 from FlatCAMCommon import GracefulException as grace
-
-from shapely.geometry import Point, Polygon, LineString, MultiPolygon
+from flatcamParsers.ParsePDF import PdfParser
+from shapely.geometry import Point, MultiPolygon
 from shapely.ops import unary_union
 
-from copy import copy, deepcopy
-import numpy as np
+from copy import deepcopy
 
 import zlib
 import re
@@ -45,73 +44,9 @@ class ToolPDF(FlatCAMTool):
         FlatCAMTool.__init__(self, app)
         self.app = app
         self.decimals = self.app.decimals
-        self.step_per_circles = self.app.defaults["gerber_circle_steps"]
 
         self.stream_re = re.compile(b'.*?FlateDecode.*?stream(.*?)endstream', re.S)
 
-        # detect stroke color change; it means a new object to be created
-        self.stroke_color_re = re.compile(r'^\s*(\d+\.?\d*) (\d+\.?\d*) (\d+\.?\d*)\s*RG$')
-
-        # detect fill color change; we check here for white color (transparent geometry);
-        # if detected we create an Excellon from it
-        self.fill_color_re = re.compile(r'^\s*(\d+\.?\d*) (\d+\.?\d*) (\d+\.?\d*)\s*rg$')
-
-        # detect 're' command
-        self.rect_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*re$')
-        # detect 'm' command
-        self.start_subpath_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\sm$')
-        # detect 'l' command
-        self.draw_line_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\sl')
-        # detect 'c' command
-        self.draw_arc_3pt_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)'
-                                          r'\s(-?\d+\.?\d*)\s*c$')
-        # detect 'v' command
-        self.draw_arc_2pt_c1start_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*v$')
-        # detect 'y' command
-        self.draw_arc_2pt_c2stop_re = re.compile(r'^(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*y$')
-        # detect 'h' command
-        self.end_subpath_re = re.compile(r'^h$')
-
-        # detect 'w' command
-        self.strokewidth_re = re.compile(r'^(\d+\.?\d*)\s*w$')
-        # detect 'S' command
-        self.stroke_path__re = re.compile(r'^S\s?[Q]?$')
-        # detect 's' command
-        self.close_stroke_path__re = re.compile(r'^s$')
-        # detect 'f' or 'f*' command
-        self.fill_path_re = re.compile(r'^[f|F][*]?$')
-        # detect 'B' or 'B*' command
-        self.fill_stroke_path_re = re.compile(r'^B[*]?$')
-        # detect 'b' or 'b*' command
-        self.close_fill_stroke_path_re = re.compile(r'^b[*]?$')
-        # detect 'n'
-        self.no_op_re = re.compile(r'^n$')
-
-        # detect offset transformation. Pattern: (1) (0) (0) (1) (x) (y)
-        # self.offset_re = re.compile(r'^1\.?0*\s0?\.?0*\s0?\.?0*\s1\.?0*\s(-?\d+\.?\d*)\s(-?\d+\.?\d*)\s*cm$')
-        # detect scale transformation. Pattern: (factor_x) (0) (0) (factor_y) (0) (0)
-        # self.scale_re = re.compile(r'^q? (-?\d+\.?\d*) 0\.?0* 0\.?0* (-?\d+\.?\d*) 0\.?0* 0\.?0*\s+cm$')
-        # detect combined transformation. Should always be the last
-        self.combined_transform_re = re.compile(r'^(q)?\s*(-?\d+\.?\d*) (-?\d+\.?\d*) (-?\d+\.?\d*) (-?\d+\.?\d*) '
-                                                r'(-?\d+\.?\d*) (-?\d+\.?\d*)\s+cm$')
-
-        # detect clipping path
-        self.clip_path_re = re.compile(r'^W[*]? n?$')
-
-        # detect save graphic state in graphic stack
-        self.save_gs_re = re.compile(r'^q.*?$')
-
-        # detect restore graphic state from graphic stack
-        self.restore_gs_re = re.compile(r'^.*Q.*$')
-
-        # graphic stack where we save parameters like transformation, line_width
-        self.gs = {}
-        # each element is a list composed of sublist elements
-        # (each sublist has 2 lists each having 2 elements: first is offset like:
-        # offset_geo = [off_x, off_y], second element is scale list with 2 elements, like: scale_geo = [sc_x, sc_yy])
-        self.gs['transform'] = []
-        self.gs['line_width'] = []   # each element is a float
-
         self.pdf_decompressed = {}
 
         # key = file name and extension
@@ -125,8 +60,7 @@ class ToolPDF(FlatCAMTool):
         # when empty we start the layer rendering
         self.parsing_promises = []
 
-        # conversion factor to INCH
-        self.point_to_unit_factor = 0.01388888888
+        self.parser = PdfParser(app=self.app)
 
     def run(self, toggle=True):
         self.app.defaults.report_usage("ToolPDF()")
@@ -174,20 +108,13 @@ class ToolPDF(FlatCAMTool):
     def open_pdf(self, filename):
         short_name = filename.split('/')[-1].split('\\')[-1]
         self.parsing_promises.append(short_name)
+
         self.pdf_parsed[short_name] = {}
         self.pdf_parsed[short_name]['pdf'] = {}
         self.pdf_parsed[short_name]['filename'] = filename
 
         self.pdf_decompressed[short_name] = ''
 
-        # the UNITS in PDF files are points and here we set the factor to convert them to real units (either MM or INCH)
-        if self.app.defaults['units'].upper() == 'MM':
-            # 1 inch = 72 points => 1 point = 1 / 72 = 0.01388888888 inch = 0.01388888888 inch * 25.4 = 0.35277777778 mm
-            self.point_to_unit_factor = 25.4 / 72
-        else:
-            # 1 inch = 72 points => 1 point = 1 / 72 = 0.01388888888 inch
-            self.point_to_unit_factor = 1 / 72
-
         if self.app.abort_flag:
             # graceful abort requested by the user
             raise grace
@@ -208,9 +135,11 @@ class ToolPDF(FlatCAMTool):
                 try:
                     self.pdf_decompressed[short_name] += (zlib.decompress(s).decode('UTF-8') + '\r\n')
                 except Exception as e:
+                    self.app.inform.emit('[ERROR_NOTCL] %s: %s\n%s' % (_("Failed to open"), str(filename), str(e)))
                     log.debug("ToolPDF.open_pdf().obj_init() --> %s" % str(e))
+                    return
 
-            self.pdf_parsed[short_name]['pdf'] = self.parse_pdf(pdf_content=self.pdf_decompressed[short_name])
+            self.pdf_parsed[short_name]['pdf'] = self.parser.parse_pdf(pdf_content=self.pdf_decompressed[short_name])
             # we used it, now we delete it
             self.pdf_decompressed[short_name] = ''
 
@@ -271,27 +200,24 @@ class ToolPDF(FlatCAMTool):
             for tool in exc_obj.tools:
                 if exc_obj.tools[tool]['solid_geometry']:
                     return
-            app_obj.inform.emit('[ERROR_NOTCL] %s: %s' %
-                                (_("No geometry found in file"), outname))
+            app_obj.inform.emit('[ERROR_NOTCL] %s: %s' % (_("No geometry found in file"), outname))
             return "fail"
 
         with self.app.proc_container.new(_("Rendering PDF layer #%d ...") % int(layer_nr)):
 
             ret_val = self.app.new_object("excellon", outname, obj_init, autoselected=False)
             if ret_val == 'fail':
-                self.app.inform.emit('[ERROR_NOTCL] %s' %
-                                     _('Open PDF file failed.'))
+                self.app.inform.emit('[ERROR_NOTCL] %s' % _('Open PDF file failed.'))
                 return
             # Register recent file
             self.app.file_opened.emit("excellon", filename)
             # GUI feedback
-            self.app.inform.emit('[success] %s: %s' %
-                                 (_("Rendered"),  outname))
+            self.app.inform.emit('[success] %s: %s' % (_("Rendered"),  outname))
 
     def layer_rendering_as_gerber(self, filename, ap_dict, layer_nr):
         outname = filename.split('/')[-1].split('\\')[-1] + "_%s" % str(layer_nr)
 
-        def obj_init(grb_obj):
+        def obj_init(grb_obj, app_obj):
 
             grb_obj.apertures = ap_dict
 
@@ -354,8 +280,7 @@ class ToolPDF(FlatCAMTool):
 
             ret = self.app.new_object('gerber', outname, obj_init, autoselected=False)
             if ret == 'fail':
-                self.app.inform.emit('[ERROR_NOTCL] %s' %
-                                     _('Open PDF file failed.'))
+                self.app.inform.emit('[ERROR_NOTCL] %s' % _('Open PDF file failed.'))
                 return
             # Register recent file
             self.app.file_opened.emit('gerber', filename)
@@ -398,6 +323,7 @@ class ToolPDF(FlatCAMTool):
         try:
             if not self.parsing_promises:
                 self.check_thread.stop()
+                log.debug("PDF --> start rendering")
                 # parsing finished start the layer rendering
                 if self.pdf_parsed:
                     obj_to_delete = []
@@ -415,6 +341,7 @@ class ToolPDF(FlatCAMTool):
                                 raise grace
 
                             ap_dict = pdf_content[k]
+                            print(k, ap_dict)
                             if ap_dict:
                                 layer_nr = k
                                 if k == 0:
@@ -432,980 +359,3 @@ class ToolPDF(FlatCAMTool):
                 log.debug("ToolPDF --> Periodic check finished.")
         except Exception:
             traceback.print_exc()
-
-    def parse_pdf(self, pdf_content):
-        path = {}
-        path['lines'] = []      # it's a list of lines subpaths
-        path['bezier'] = []     # it's a list of bezier arcs subpaths
-        path['rectangle'] = []  # it's a list of rectangle subpaths
-
-        subpath = {}
-        subpath['lines'] = []      # it's a list of points
-        subpath['bezier'] = []     # it's a list of sublists each like this [start, c1, c2, stop]
-        subpath['rectangle'] = []  # it's a list of sublists of points
-
-        # store the start point (when 'm' command is encountered)
-        current_subpath = None
-
-        # set True when 'h' command is encountered (close subpath)
-        close_subpath = False
-
-        start_point = None
-        current_point = None
-        size = 0
-
-        # initial values for the transformations, in case they are not encountered in the PDF file
-        offset_geo = [0, 0]
-        scale_geo = [1, 1]
-
-        # store the objects to be transformed into Gerbers
-        object_dict = {}
-        # will serve as key in the object_dict
-        layer_nr = 1
-        # create first object
-        object_dict[layer_nr] = {}
-
-        # store the apertures here
-        apertures_dict = {}
-
-        # initial aperture
-        aperture = 10
-
-        # store the apertures with clear geometry here
-        # we are interested only in the circular geometry (drill holes) therefore we target only Bezier subpaths
-        clear_apertures_dict = {}
-        # everything will be stored in the '0' aperture since we are dealing with clear polygons not strokes
-        clear_apertures_dict['0'] = {}
-        clear_apertures_dict['0']['size'] = 0.0
-        clear_apertures_dict['0']['type'] = 'C'
-        clear_apertures_dict['0']['geometry'] = []
-
-        # on stroke color change we create a new apertures dictionary and store the old one in a storage from where
-        # it will be transformed into Gerber object
-        old_color = [None, None, None]
-
-        # signal that we have clear geometry and the geometry will be added to a special layer_nr = 0
-        flag_clear_geo = False
-
-        line_nr = 0
-        lines = pdf_content.splitlines()
-
-        for pline in lines:
-            if self.app.abort_flag:
-                # graceful abort requested by the user
-                raise grace
-
-            line_nr += 1
-            log.debug("line %d: %s" % (line_nr, pline))
-
-            # COLOR DETECTION / OBJECT DETECTION
-            match = self.stroke_color_re.search(pline)
-            if match:
-                color = [float(match.group(1)), float(match.group(2)), float(match.group(3))]
-                log.debug(
-                    "ToolPDF.parse_pdf() --> STROKE Color change on line: %s --> RED=%f GREEN=%f BLUE=%f" %
-                    (line_nr, color[0], color[1], color[2]))
-
-                if color[0] == old_color[0] and color[1] == old_color[1] and color[2] == old_color[2]:
-                    # same color, do nothing
-                    continue
-                else:
-                    if apertures_dict:
-                        object_dict[layer_nr] = deepcopy(apertures_dict)
-                        apertures_dict.clear()
-                        layer_nr += 1
-
-                        object_dict[layer_nr] = {}
-                old_color = copy(color)
-                # we make sure that the following geometry is added to the right storage
-                flag_clear_geo = False
-                continue
-
-            # CLEAR GEOMETRY detection
-            match = self.fill_color_re.search(pline)
-            if match:
-                fill_color = [float(match.group(1)), float(match.group(2)), float(match.group(3))]
-                log.debug(
-                    "ToolPDF.parse_pdf() --> FILL Color change on line: %s --> RED=%f GREEN=%f BLUE=%f" %
-                    (line_nr, fill_color[0], fill_color[1], fill_color[2]))
-                # if the color is white we are seeing 'clear_geometry' that can't be seen. It may be that those
-                # geometries are actually holes from which we can make an Excellon file
-                if fill_color[0] == 1 and fill_color[1] == 1 and fill_color[2] == 1:
-                    flag_clear_geo = True
-                else:
-                    flag_clear_geo = False
-                continue
-
-            # TRANSFORMATIONS DETECTION #
-
-            # Detect combined transformation.
-            match = self.combined_transform_re.search(pline)
-            if match:
-                # detect save graphic stack event
-                # sometimes they combine save_to_graphics_stack with the transformation on the same line
-                if match.group(1) == 'q':
-                    log.debug(
-                        "ToolPDF.parse_pdf() --> Save to GS found on line: %s --> offset=[%f, %f] ||| scale=[%f, %f]" %
-                        (line_nr, offset_geo[0], offset_geo[1], scale_geo[0], scale_geo[1]))
-
-                    self.gs['transform'].append(deepcopy([offset_geo, scale_geo]))
-                    self.gs['line_width'].append(deepcopy(size))
-
-                # transformation = TRANSLATION (OFFSET)
-                if (float(match.group(3)) == 0 and float(match.group(4)) == 0) and \
-                        (float(match.group(6)) != 0 or float(match.group(7)) != 0):
-                    log.debug(
-                        "ToolPDF.parse_pdf() --> OFFSET transformation found on line: %s --> %s" % (line_nr, pline))
-
-                    offset_geo[0] += float(match.group(6))
-                    offset_geo[1] += float(match.group(7))
-                    # log.debug("Offset= [%f, %f]" % (offset_geo[0], offset_geo[1]))
-
-                # transformation = SCALING
-                if float(match.group(2)) != 1 and float(match.group(5)) != 1:
-                    log.debug(
-                        "ToolPDF.parse_pdf() --> SCALE transformation found on line: %s --> %s" % (line_nr, pline))
-
-                    scale_geo[0] *= float(match.group(2))
-                    scale_geo[1] *= float(match.group(5))
-                # log.debug("Scale= [%f, %f]" % (scale_geo[0], scale_geo[1]))
-
-                continue
-
-            # detect save graphic stack event
-            match = self.save_gs_re.search(pline)
-            if match:
-                log.debug(
-                    "ToolPDF.parse_pdf() --> Save to GS found on line: %s --> offset=[%f, %f] ||| scale=[%f, %f]" %
-                    (line_nr, offset_geo[0], offset_geo[1], scale_geo[0], scale_geo[1]))
-                self.gs['transform'].append(deepcopy([offset_geo, scale_geo]))
-                self.gs['line_width'].append(deepcopy(size))
-
-            # detect restore from graphic stack event
-            match = self.restore_gs_re.search(pline)
-            if match:
-                try:
-                    restored_transform = self.gs['transform'].pop(-1)
-                    offset_geo = restored_transform[0]
-                    scale_geo = restored_transform[1]
-                except IndexError:
-                    # nothing to remove
-                    log.debug("ToolPDF.parse_pdf() --> Nothing to restore")
-                    pass
-
-                try:
-                    size = self.gs['line_width'].pop(-1)
-                except IndexError:
-                    log.debug("ToolPDF.parse_pdf() --> Nothing to restore")
-                    # nothing to remove
-                    pass
-
-                log.debug(
-                    "ToolPDF.parse_pdf() --> Restore from GS found on line: %s --> "
-                    "restored_offset=[%f, %f] ||| restored_scale=[%f, %f]" %
-                    (line_nr, offset_geo[0], offset_geo[1], scale_geo[0], scale_geo[1]))
-                # log.debug("Restored Offset= [%f, %f]" % (offset_geo[0], offset_geo[1]))
-                # log.debug("Restored Scale= [%f, %f]" % (scale_geo[0], scale_geo[1]))
-
-            # PATH CONSTRUCTION #
-
-            # Start SUBPATH
-            match = self.start_subpath_re.search(pline)
-            if match:
-                # we just started a subpath so we mark it as not closed yet
-                close_subpath = False
-
-                # init subpaths
-                subpath['lines'] = []
-                subpath['bezier'] = []
-                subpath['rectangle'] = []
-
-                # detect start point to move to
-                x = float(match.group(1)) + offset_geo[0]
-                y = float(match.group(2)) + offset_geo[1]
-                pt = (x * self.point_to_unit_factor * scale_geo[0],
-                      y * self.point_to_unit_factor * scale_geo[1])
-                start_point = pt
-
-                # add the start point to subpaths
-                subpath['lines'].append(start_point)
-                # subpath['bezier'].append(start_point)
-                # subpath['rectangle'].append(start_point)
-                current_point = start_point
-                continue
-
-            # Draw Line
-            match = self.draw_line_re.search(pline)
-            if match:
-                current_subpath = 'lines'
-                x = float(match.group(1)) + offset_geo[0]
-                y = float(match.group(2)) + offset_geo[1]
-                pt = (x * self.point_to_unit_factor * scale_geo[0],
-                      y * self.point_to_unit_factor * scale_geo[1])
-                subpath['lines'].append(pt)
-                current_point = pt
-                continue
-
-            # Draw Bezier 'c'
-            match = self.draw_arc_3pt_re.search(pline)
-            if match:
-                current_subpath = 'bezier'
-                start = current_point
-                x = float(match.group(1)) + offset_geo[0]
-                y = float(match.group(2)) + offset_geo[1]
-                c1 = (x * self.point_to_unit_factor * scale_geo[0],
-                      y * self.point_to_unit_factor * scale_geo[1])
-                x = float(match.group(3)) + offset_geo[0]
-                y = float(match.group(4)) + offset_geo[1]
-                c2 = (x * self.point_to_unit_factor * scale_geo[0],
-                      y * self.point_to_unit_factor * scale_geo[1])
-                x = float(match.group(5)) + offset_geo[0]
-                y = float(match.group(6)) + offset_geo[1]
-                stop = (x * self.point_to_unit_factor * scale_geo[0],
-                        y * self.point_to_unit_factor * scale_geo[1])
-
-                subpath['bezier'].append([start, c1, c2, stop])
-                current_point = stop
-                continue
-
-            # Draw Bezier 'v'
-            match = self.draw_arc_2pt_c1start_re.search(pline)
-            if match:
-                current_subpath = 'bezier'
-                start = current_point
-                x = float(match.group(1)) + offset_geo[0]
-                y = float(match.group(2)) + offset_geo[1]
-                c2 = (x * self.point_to_unit_factor * scale_geo[0],
-                      y * self.point_to_unit_factor * scale_geo[1])
-                x = float(match.group(3)) + offset_geo[0]
-                y = float(match.group(4)) + offset_geo[1]
-                stop = (x * self.point_to_unit_factor * scale_geo[0],
-                        y * self.point_to_unit_factor * scale_geo[1])
-
-                subpath['bezier'].append([start, start, c2, stop])
-                current_point = stop
-                continue
-
-            # Draw Bezier 'y'
-            match = self.draw_arc_2pt_c2stop_re.search(pline)
-            if match:
-                start = current_point
-                x = float(match.group(1)) + offset_geo[0]
-                y = float(match.group(2)) + offset_geo[1]
-                c1 = (x * self.point_to_unit_factor * scale_geo[0],
-                      y * self.point_to_unit_factor * scale_geo[1])
-                x = float(match.group(3)) + offset_geo[0]
-                y = float(match.group(4)) + offset_geo[1]
-                stop = (x * self.point_to_unit_factor * scale_geo[0],
-                        y * self.point_to_unit_factor * scale_geo[1])
-
-                subpath['bezier'].append([start, c1, stop, stop])
-                current_point = stop
-                continue
-
-            # Draw Rectangle 're'
-            match = self.rect_re.search(pline)
-            if match:
-                current_subpath = 'rectangle'
-                x = (float(match.group(1)) + offset_geo[0]) * self.point_to_unit_factor * scale_geo[0]
-                y = (float(match.group(2)) + offset_geo[1]) * self.point_to_unit_factor * scale_geo[1]
-                width = (float(match.group(3)) + offset_geo[0]) * self.point_to_unit_factor * scale_geo[0]
-                height = (float(match.group(4)) + offset_geo[1]) * self.point_to_unit_factor * scale_geo[1]
-                pt1 = (x, y)
-                pt2 = (x+width, y)
-                pt3 = (x+width, y+height)
-                pt4 = (x, y+height)
-                subpath['rectangle'] += [pt1, pt2, pt3, pt4, pt1]
-                current_point = pt1
-                continue
-
-            # Detect clipping path set
-            # ignore this and delete the current subpath
-            match = self.clip_path_re.search(pline)
-            if match:
-                subpath['lines'] = []
-                subpath['bezier'] = []
-                subpath['rectangle'] = []
-                # it means that we've already added the subpath to path and we need to delete it
-                # clipping path is usually either rectangle or lines
-                if close_subpath is True:
-                    close_subpath = False
-                    if current_subpath == 'lines':
-                        path['lines'].pop(-1)
-                    if current_subpath == 'rectangle':
-                        path['rectangle'].pop(-1)
-                continue
-
-            # Close SUBPATH
-            match = self.end_subpath_re.search(pline)
-            if match:
-                close_subpath = True
-                if current_subpath == 'lines':
-                    subpath['lines'].append(start_point)
-                    # since we are closing the subpath add it to the path, a path may have chained subpaths
-                    path['lines'].append(copy(subpath['lines']))
-                    subpath['lines'] = []
-                elif current_subpath == 'bezier':
-                    # subpath['bezier'].append(start_point)
-                    # since we are closing the subpath add it to the path, a path may have chained subpaths
-                    path['bezier'].append(copy(subpath['bezier']))
-                    subpath['bezier'] = []
-                elif current_subpath == 'rectangle':
-                    # subpath['rectangle'].append(start_point)
-                    # since we are closing the subpath add it to the path, a path may have chained subpaths
-                    path['rectangle'].append(copy(subpath['rectangle']))
-                    subpath['rectangle'] = []
-                continue
-
-            # PATH PAINTING #
-
-            # Detect Stroke width / aperture
-            match = self.strokewidth_re.search(pline)
-            if match:
-                size = float(match.group(1))
-                continue
-
-            # Detect No_Op command, ignore the current subpath
-            match = self.no_op_re.search(pline)
-            if match:
-                subpath['lines'] = []
-                subpath['bezier'] = []
-                subpath['rectangle'] = []
-                continue
-
-            # Stroke the path
-            match = self.stroke_path__re.search(pline)
-            if match:
-                # scale the size here; some PDF printers apply transformation after the size is declared
-                applied_size = size * scale_geo[0] * self.point_to_unit_factor
-                path_geo = []
-                if current_subpath == 'lines':
-                    if path['lines']:
-                        for subp in path['lines']:
-                            geo = copy(subp)
-                            try:
-                                geo = LineString(geo).buffer((float(applied_size) / 2),
-                                                             resolution=self.step_per_circles)
-                                path_geo.append(geo)
-                            except ValueError:
-                                pass
-                        # the path was painted therefore initialize it
-                        path['lines'] = []
-                    else:
-                        geo = copy(subpath['lines'])
-                        try:
-                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                            path_geo.append(geo)
-                        except ValueError:
-                            pass
-                        subpath['lines'] = []
-
-                if current_subpath == 'bezier':
-                    if path['bezier']:
-                        for subp in path['bezier']:
-                            geo = []
-                            for b in subp:
-                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                            try:
-                                geo = LineString(geo).buffer((float(applied_size) / 2),
-                                                             resolution=self.step_per_circles)
-                                path_geo.append(geo)
-                            except ValueError:
-                                pass
-                        # the path was painted therefore initialize it
-                        path['bezier'] = []
-                    else:
-                        geo = []
-                        for b in subpath['bezier']:
-                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                        try:
-                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                            path_geo.append(geo)
-                        except ValueError:
-                            pass
-                        subpath['bezier'] = []
-
-                if current_subpath == 'rectangle':
-                    if path['rectangle']:
-                        for subp in path['rectangle']:
-                            geo = copy(subp)
-                            try:
-                                geo = LineString(geo).buffer((float(applied_size) / 2),
-                                                             resolution=self.step_per_circles)
-                                path_geo.append(geo)
-                            except ValueError:
-                                pass
-                        # the path was painted therefore initialize it
-                        path['rectangle'] = []
-                    else:
-                        geo = copy(subpath['rectangle'])
-                        try:
-                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                            path_geo.append(geo)
-                        except ValueError:
-                            pass
-                        subpath['rectangle'] = []
-
-                # store the found geometry
-                found_aperture = None
-                if apertures_dict:
-                    for apid in apertures_dict:
-                        # if we already have an aperture with the current size (rounded to 5 decimals)
-                        if apertures_dict[apid]['size'] == round(applied_size, 5):
-                            found_aperture = apid
-                            break
-
-                    if found_aperture:
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
-                    else:
-                        if str(aperture) in apertures_dict.keys():
-                            aperture += 1
-                        apertures_dict[str(aperture)] = {}
-                        apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
-                        apertures_dict[str(aperture)]['type'] = 'C'
-                        apertures_dict[str(aperture)]['geometry'] = []
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-                else:
-                    apertures_dict[str(aperture)] = {}
-                    apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
-                    apertures_dict[str(aperture)]['type'] = 'C'
-                    apertures_dict[str(aperture)]['geometry'] = []
-                    for pdf_geo in path_geo:
-                        if isinstance(pdf_geo, MultiPolygon):
-                            for poly in pdf_geo:
-                                new_el = {}
-                                new_el['solid'] = poly
-                                new_el['follow'] = poly.exterior
-                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-                        else:
-                            new_el = {}
-                            new_el['solid'] = pdf_geo
-                            new_el['follow'] = pdf_geo.exterior
-                            apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-
-                continue
-
-            # Fill the path
-            match = self.fill_path_re.search(pline)
-            if match:
-                # scale the size here; some PDF printers apply transformation after the size is declared
-                applied_size = size * scale_geo[0] * self.point_to_unit_factor
-                path_geo = []
-
-                if current_subpath == 'lines':
-                    if path['lines']:
-                        for subp in path['lines']:
-                            geo = copy(subp)
-                            # close the subpath if it was not closed already
-                            if close_subpath is False:
-                                geo.append(geo[0])
-                            try:
-                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                                path_geo.append(geo_el)
-                            except ValueError:
-                                pass
-                        # the path was painted therefore initialize it
-                        path['lines'] = []
-                    else:
-                        geo = copy(subpath['lines'])
-                        # close the subpath if it was not closed already
-                        if close_subpath is False:
-                            geo.append(start_point)
-                        try:
-                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                            path_geo.append(geo_el)
-                        except ValueError:
-                            pass
-                        subpath['lines'] = []
-
-                if current_subpath == 'bezier':
-                    geo = []
-                    if path['bezier']:
-                        for subp in path['bezier']:
-                            for b in subp:
-                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                                # close the subpath if it was not closed already
-                                if close_subpath is False:
-                                    geo.append(geo[0])
-                                try:
-                                    geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                                    path_geo.append(geo_el)
-                                except ValueError:
-                                    pass
-                        # the path was painted therefore initialize it
-                        path['bezier'] = []
-                    else:
-                        for b in subpath['bezier']:
-                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                        if close_subpath is False:
-                            geo.append(start_point)
-                        try:
-                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                            path_geo.append(geo_el)
-                        except ValueError:
-                            pass
-                        subpath['bezier'] = []
-
-                if current_subpath == 'rectangle':
-                    if path['rectangle']:
-                        for subp in path['rectangle']:
-                            geo = copy(subp)
-                            # # close the subpath if it was not closed already
-                            # if close_subpath is False and start_point is not None:
-                            #     geo.append(start_point)
-                            try:
-                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                                path_geo.append(geo_el)
-                            except ValueError:
-                                pass
-                        # the path was painted therefore initialize it
-                        path['rectangle'] = []
-                    else:
-                        geo = copy(subpath['rectangle'])
-                        # # close the subpath if it was not closed already
-                        # if close_subpath is False and start_point is not None:
-                        #     geo.append(start_point)
-                        try:
-                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                            path_geo.append(geo_el)
-                        except ValueError:
-                            pass
-                        subpath['rectangle'] = []
-
-                # we finished painting and also closed the path if it was the case
-                close_subpath = True
-
-                # in case that a color change to white (transparent) occurred
-                if flag_clear_geo is True:
-                    # if there was a fill color change we look for circular geometries from which we can make
-                    # drill holes for the Excellon file
-                    if current_subpath == 'bezier':
-                        # if there are geometries in the list
-                        if path_geo:
-                            try:
-                                for g in path_geo:
-                                    new_el = {}
-                                    new_el['clear'] = g
-                                    clear_apertures_dict['0']['geometry'].append(new_el)
-                            except TypeError:
-                                new_el = {}
-                                new_el['clear'] = path_geo
-                                clear_apertures_dict['0']['geometry'].append(new_el)
-
-                    # now that we finished searching for drill holes (this is not very precise because holes in the
-                    # polygon pours may appear as drill too, but .. hey you can't have it all ...) we add
-                    # clear_geometry
-                    try:
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['clear'] = poly
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['clear'] = pdf_geo
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                    except KeyError:
-                        # in case there is no stroke width yet therefore no aperture
-                        apertures_dict['0'] = {}
-                        apertures_dict['0']['size'] = applied_size
-                        apertures_dict['0']['type'] = 'C'
-                        apertures_dict['0']['geometry'] = []
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['clear'] = poly
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['clear'] = pdf_geo
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                else:
-                    # else, add the geometry as usual
-                    try:
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                    except KeyError:
-                        # in case there is no stroke width yet therefore no aperture
-                        apertures_dict['0'] = {}
-                        apertures_dict['0']['size'] = applied_size
-                        apertures_dict['0']['type'] = 'C'
-                        apertures_dict['0']['geometry'] = []
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                    continue
-
-            # Fill and Stroke the path
-            match = self.fill_stroke_path_re.search(pline)
-            if match:
-                # scale the size here; some PDF printers apply transformation after the size is declared
-                applied_size = size * scale_geo[0] * self.point_to_unit_factor
-                path_geo = []
-                fill_geo = []
-
-                if current_subpath == 'lines':
-                    if path['lines']:
-                        # fill
-                        for subp in path['lines']:
-                            geo = copy(subp)
-                            # close the subpath if it was not closed already
-                            if close_subpath is False:
-                                geo.append(geo[0])
-                            try:
-                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                                fill_geo.append(geo_el)
-                            except ValueError:
-                                pass
-                        # stroke
-                        for subp in path['lines']:
-                            geo = copy(subp)
-                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                            path_geo.append(geo)
-                        # the path was painted therefore initialize it
-                        path['lines'] = []
-                    else:
-                        # fill
-                        geo = copy(subpath['lines'])
-                        # close the subpath if it was not closed already
-                        if close_subpath is False:
-                            geo.append(start_point)
-                        try:
-                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                            fill_geo.append(geo_el)
-                        except ValueError:
-                            pass
-                        # stroke
-                        geo = copy(subpath['lines'])
-                        geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                        path_geo.append(geo)
-                        subpath['lines'] = []
-                        subpath['lines'] = []
-
-                if current_subpath == 'bezier':
-                    geo = []
-                    if path['bezier']:
-                        # fill
-                        for subp in path['bezier']:
-                            for b in subp:
-                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                                # close the subpath if it was not closed already
-                                if close_subpath is False:
-                                    geo.append(geo[0])
-                                try:
-                                    geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                                    fill_geo.append(geo_el)
-                                except ValueError:
-                                    pass
-                        # stroke
-                        for subp in path['bezier']:
-                            geo = []
-                            for b in subp:
-                                geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                            path_geo.append(geo)
-                        # the path was painted therefore initialize it
-                        path['bezier'] = []
-                    else:
-                        # fill
-                        for b in subpath['bezier']:
-                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                        if close_subpath is False:
-                            geo.append(start_point)
-                        try:
-                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                            fill_geo.append(geo_el)
-                        except ValueError:
-                            pass
-                        # stroke
-                        geo = []
-                        for b in subpath['bezier']:
-                            geo += self.bezier_to_points(start=b[0], c1=b[1], c2=b[2], stop=b[3])
-                        geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                        path_geo.append(geo)
-                        subpath['bezier'] = []
-
-                if current_subpath == 'rectangle':
-                    if path['rectangle']:
-                        # fill
-                        for subp in path['rectangle']:
-                            geo = copy(subp)
-                            # # close the subpath if it was not closed already
-                            # if close_subpath is False:
-                            #     geo.append(geo[0])
-                            try:
-                                geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                                fill_geo.append(geo_el)
-                            except ValueError:
-                                pass
-                        # stroke
-                        for subp in path['rectangle']:
-                            geo = copy(subp)
-                            geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                            path_geo.append(geo)
-                        # the path was painted therefore initialize it
-                        path['rectangle'] = []
-                    else:
-                        # fill
-                        geo = copy(subpath['rectangle'])
-                        # # close the subpath if it was not closed already
-                        # if close_subpath is False:
-                        #     geo.append(start_point)
-                        try:
-                            geo_el = Polygon(geo).buffer(0.0000001, resolution=self.step_per_circles)
-                            fill_geo.append(geo_el)
-                        except ValueError:
-                            pass
-                        # stroke
-                        geo = copy(subpath['rectangle'])
-                        geo = LineString(geo).buffer((float(applied_size) / 2), resolution=self.step_per_circles)
-                        path_geo.append(geo)
-                        subpath['rectangle'] = []
-
-                # we finished painting and also closed the path if it was the case
-                close_subpath = True
-
-                # store the found geometry for stroking the path
-                found_aperture = None
-                if apertures_dict:
-                    for apid in apertures_dict:
-                        # if we already have an aperture with the current size (rounded to 5 decimals)
-                        if apertures_dict[apid]['size'] == round(applied_size, 5):
-                            found_aperture = apid
-                            break
-
-                    if found_aperture:
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict[copy(found_aperture)]['geometry'].append(deepcopy(new_el))
-                    else:
-                        if str(aperture) in apertures_dict.keys():
-                            aperture += 1
-                        apertures_dict[str(aperture)] = {}
-                        apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
-                        apertures_dict[str(aperture)]['type'] = 'C'
-                        apertures_dict[str(aperture)]['geometry'] = []
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-                else:
-                    apertures_dict[str(aperture)] = {}
-                    apertures_dict[str(aperture)]['size'] = round(applied_size, 5)
-                    apertures_dict[str(aperture)]['type'] = 'C'
-                    apertures_dict[str(aperture)]['geometry'] = []
-                    for pdf_geo in path_geo:
-                        if isinstance(pdf_geo, MultiPolygon):
-                            for poly in pdf_geo:
-                                new_el = {}
-                                new_el['solid'] = poly
-                                new_el['follow'] = poly.exterior
-                                apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-                        else:
-                            new_el = {}
-                            new_el['solid'] = pdf_geo
-                            new_el['follow'] = pdf_geo.exterior
-                            apertures_dict[str(aperture)]['geometry'].append(deepcopy(new_el))
-
-                # ############################################# ##
-                # store the found geometry for filling the path #
-                # ############################################# ##
-
-                # in case that a color change to white (transparent) occurred
-                if flag_clear_geo is True:
-                    try:
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in fill_geo:
-                                    new_el = {}
-                                    new_el['clear'] = poly
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['clear'] = pdf_geo
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                    except KeyError:
-                        # in case there is no stroke width yet therefore no aperture
-                        apertures_dict['0'] = {}
-                        apertures_dict['0']['size'] = round(applied_size, 5)
-                        apertures_dict['0']['type'] = 'C'
-                        apertures_dict['0']['geometry'] = []
-                        for pdf_geo in fill_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['clear'] = poly
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['clear'] = pdf_geo
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                else:
-                    try:
-                        for pdf_geo in path_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in fill_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                    except KeyError:
-                        # in case there is no stroke width yet therefore no aperture
-                        apertures_dict['0'] = {}
-                        apertures_dict['0']['size'] = round(applied_size, 5)
-                        apertures_dict['0']['type'] = 'C'
-                        apertures_dict['0']['geometry'] = []
-                        for pdf_geo in fill_geo:
-                            if isinstance(pdf_geo, MultiPolygon):
-                                for poly in pdf_geo:
-                                    new_el = {}
-                                    new_el['solid'] = poly
-                                    new_el['follow'] = poly.exterior
-                                    apertures_dict['0']['geometry'].append(deepcopy(new_el))
-                            else:
-                                new_el = {}
-                                new_el['solid'] = pdf_geo
-                                new_el['follow'] = pdf_geo.exterior
-                                apertures_dict['0']['geometry'].append(deepcopy(new_el))
-
-                continue
-
-        # tidy up. copy the current aperture dict to the object dict but only if it is not empty
-        if apertures_dict:
-            object_dict[layer_nr] = deepcopy(apertures_dict)
-
-        if clear_apertures_dict['0']['geometry']:
-            object_dict[0] = deepcopy(clear_apertures_dict)
-
-        # delete keys (layers) with empty values
-        empty_layers = []
-        for layer in object_dict:
-            if not object_dict[layer]:
-                empty_layers.append(layer)
-        for x in empty_layers:
-            if x in object_dict:
-                object_dict.pop(x)
-
-        if self.app.abort_flag:
-            # graceful abort requested by the user
-            raise grace
-
-        return object_dict
-
-    def bezier_to_points(self, start, c1, c2, stop):
-        """
-        # Equation Bezier, page 184 PDF 1.4 reference
-        # https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/pdf_reference_archives/PDFReference.pdf
-        # Given the coordinates of the four points, the curve is generated by varying the parameter t from 0.0 to 1.0
-        # in the following equation:
-        # R(t) = P0*(1 - t) ** 3 + P1*3*t*(1 - t) ** 2 + P2 * 3*(1 - t) * t ** 2  + P3*t ** 3
-        # When t = 0.0, the value from the function coincides with the current point P0; when t = 1.0, R(t) coincides
-        # with the final point P3. Intermediate values of t generate intermediate points along the curve.
-        # The curve does not, in general, pass through the two control points P1 and P2
-
-        :return: A list of point coordinates tuples (x, y)
-        """
-
-        # here we store the geometric points
-        points = []
-
-        nr_points = np.arange(0.0, 1.0, (1 / self.step_per_circles))
-        for t in nr_points:
-            term_p0 = (1 - t) ** 3
-            term_p1 = 3 * t * (1 - t) ** 2
-            term_p2 = 3 * (1 - t) * t ** 2
-            term_p3 = t ** 3
-
-            x = start[0] * term_p0 + c1[0] * term_p1 + c2[0] * term_p2 + stop[0] * term_p3
-            y = start[1] * term_p0 + c1[1] * term_p1 + c2[1] * term_p2 + stop[1] * term_p3
-            points.append([x, y])
-
-        return points
-
-    # def bezier_to_circle(self, path):
-    #     lst = []
-    #     for el in range(len(path)):
-    #         if type(path) is list:
-    #             for coord in path[el]:
-    #                 lst.append(coord)
-    #         else:
-    #             lst.append(el)
-    #
-    #     if lst:
-    #         minx = min(lst, key=lambda t: t[0])[0]
-    #         miny = min(lst, key=lambda t: t[1])[1]
-    #         maxx = max(lst, key=lambda t: t[0])[0]
-    #         maxy = max(lst, key=lambda t: t[1])[1]
-    #         center = (maxx-minx, maxy-miny)
-    #         radius = (maxx-minx) / 2
-    #         return [center, radius]
-    #
-    # def circle_to_points(self, center, radius):
-    #     geo = Point(center).buffer(radius, resolution=self.step_per_circles)
-    #     return LineString(list(geo.exterior.coords))
-    #

+ 3 - 3
tclCommands/TclCommandSetOrigin.py

@@ -98,6 +98,6 @@ class TclCommandSetOrigin(TclCommand):
             loc = [0, 0]
 
         self.app.on_set_zero_click(event=None, location=loc, noplot=True, use_thread=False)
-        self.app.inform.emit('[success] Tcl %s: %s' %
-                             (_('Origin set by offsetting all loaded objects with '),
-                              '{0:.4f}, {0:.4f}'.format(loc[0], loc[1])))
+        msg = '[success] Tcl %s: %s' % (_('Origin set by offsetting all loaded objects with '),
+                                        '{0:.4f}, {0:.4f}'.format(loc[0], loc[1]))
+        self.app.shell_message(msg, success=True, show=False)

+ 8 - 5
tclCommands/TclCommandSetPath.py

@@ -75,19 +75,22 @@ class TclCommandSetPath(TclCommand):
         if path_isdir is False:
             path_isfile = os.path.isfile(path)
             if path_isfile:
-                self.app.inform.emit('[ERROR] %s: %s, %s' % (
+                msg = '[ERROR] %s: %s, %s' % (
                     "The provided path",
                     str(path),
-                    "is a path to file and not a directory as expected."))
+                    "is a path to file and not a directory as expected.")
+                self.app.shell_message(msg, success=True, show=False)
                 return "Failed. The Tcl command set_path was used but it was not a directory."
             else:
-                self.app.inform.emit('[ERROR] %s: %s, %s' % (
+                msg = '[ERROR] %s: %s, %s' % (
                     "The provided path",
                     str(path),
-                    "do not exist. Check for typos."))
+                    "do not exist. Check for typos.")
+                self.app.shell_message(msg, success=True, show=False)
                 return "Failed. The Tcl command set_path was used but it does not exist."
 
         cd_command = 'cd %s' % path
         self.app.shell.exec_command(cd_command, no_echo=False)
         self.app.defaults["global_tcl_path"] = str(path)
-        self.app.inform.emit('[success] %s: %s' % ("Relative path set to", str(path)))
+        msg = '[success] %s: %s' % ("Relative path set to", str(path))
+        self.app.shell_message(msg, success=True, show=False)