- Print function is now printing a PDF file for a selection of objects in the colors from canvas
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Marius Stanciu
Marius
parent
f604cd461d
commit
28bf1c3b5a
178
FlatCAMApp.py
178
FlatCAMApp.py
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@ -31,6 +31,7 @@ from reportlab.pdfgen import canvas
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from reportlab.graphics import renderPM
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from reportlab.lib.units import inch, mm
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from reportlab.lib.pagesizes import landscape, portrait
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from svglib.svglib import svg2rlg
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from contextlib import contextmanager
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import gc
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@ -10362,20 +10363,185 @@ class App(QtCore.QObject):
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return
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if use_thread is True:
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self.worker_task.emit({'fcn': self.save_pdf, 'params': [filename, obj_name, obj_selection]})
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proc = self.proc_container.new(_("Printing PDF ... Please wait."))
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self.worker_task.emit({'fcn': self.save_pdf, 'params': [filename, obj_selection]})
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else:
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self.save_pdf(filename, obj_name, obj_selection)
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self.save_pdf(filename, obj_selection)
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# self.save_project(filename)
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if self.defaults["global_open_style"] is False:
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self.file_opened.emit("pdf", filename)
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self.file_saved.emit("pdf", filename)
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def save_pdf(self, file_name, obj_name, obj_selection):
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if len(obj_selection) == 1:
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self.film_tool.export_positive(obj_name=obj_name, box_name=obj_name, filename=file_name, ftype='pdf')
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def save_pdf(self, file_name, obj_selection):
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p_size = self.defaults['global_workspaceT']
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orientation = self.defaults['global_workspace_orientation']
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color = 'black'
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transparency_level = 1.0
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self.pagesize = dict()
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self.pagesize.update(
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{
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'Bounds': None,
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'A0': (841*mm, 1189*mm),
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'A1': (594*mm, 841*mm),
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'A2': (420*mm, 594*mm),
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'A3': (297*mm, 420*mm),
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'A4': (210*mm, 297*mm),
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'A5': (148*mm, 210*mm),
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'A6': (105*mm, 148*mm),
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'A7': (74*mm, 105*mm),
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'A8': (52*mm, 74*mm),
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'A9': (37*mm, 52*mm),
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'A10': (26*mm, 37*mm),
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'B0': (1000*mm, 1414*mm),
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'B1': (707*mm, 1000*mm),
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'B2': (500*mm, 707*mm),
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'B3': (353*mm, 500*mm),
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'B4': (250*mm, 353*mm),
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'B5': (176*mm, 250*mm),
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'B6': (125*mm, 176*mm),
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'B7': (88*mm, 125*mm),
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'B8': (62*mm, 88*mm),
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'B9': (44*mm, 62*mm),
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'B10': (31*mm, 44*mm),
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'C0': (917*mm, 1297*mm),
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'C1': (648*mm, 917*mm),
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'C2': (458*mm, 648*mm),
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'C3': (324*mm, 458*mm),
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'C4': (229*mm, 324*mm),
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'C5': (162*mm, 229*mm),
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'C6': (114*mm, 162*mm),
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'C7': (81*mm, 114*mm),
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'C8': (57*mm, 81*mm),
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'C9': (40*mm, 57*mm),
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'C10': (28*mm, 40*mm),
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# American paper sizes
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'LETTER': (8.5*inch, 11*inch),
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'LEGAL': (8.5*inch, 14*inch),
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'ELEVENSEVENTEEN': (11*inch, 17*inch),
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# From https://en.wikipedia.org/wiki/Paper_size
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'JUNIOR_LEGAL': (5*inch, 8*inch),
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'HALF_LETTER': (5.5*inch, 8*inch),
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'GOV_LETTER': (8*inch, 10.5*inch),
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'GOV_LEGAL': (8.5*inch, 13*inch),
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'LEDGER': (17*inch, 11*inch),
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}
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)
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exported_svg = list()
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for obj in obj_selection:
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svg_obj = obj.export_svg(scale_stroke_factor=0.0,
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scale_factor_x=None, scale_factor_y=None,
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skew_factor_x=None, skew_factor_y=None,
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mirror=None)
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if obj.kind.lower() == 'gerber':
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color = self.defaults["global_plot_fill"][:-2]
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elif obj.kind.lower() == 'excellon':
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color = '#C40000'
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elif obj.kind.lower() == 'geometry':
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color = self.defaults["global_draw_color"]
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# Change the attributes of the exported SVG
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# We don't need stroke-width
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# We set opacity to maximum
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# We set the colour to WHITE
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root = ET.fromstring(svg_obj)
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for child in root:
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child.set('fill', str(color))
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child.set('opacity', str(transparency_level))
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child.set('stroke', str(color))
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exported_svg.append(ET.tostring(root))
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xmin = Inf
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ymin = Inf
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xmax = -Inf
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ymax = -Inf
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for obj in obj_selection:
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try:
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gxmin, gymin, gxmax, gymax = obj.bounds()
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xmin = min([xmin, gxmin])
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ymin = min([ymin, gymin])
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xmax = max([xmax, gxmax])
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ymax = max([ymax, gymax])
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except Exception as e:
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log.warning("DEV WARNING: Tried to get bounds of empty geometry in App.save_pdf(). %s" % str(e))
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# Determine bounding area for svg export
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bounds = [xmin, ymin, xmax, ymax]
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size = bounds[2] - bounds[0], bounds[3] - bounds[1]
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# This contain the measure units
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uom = obj_selection[0].units.lower()
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# Define a boundary around SVG of about 1.0mm (~39mils)
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if uom in "mm":
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boundary = 1.0
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else:
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self.inform.emit('[WARNING_NOTCL] %s' % _("Multiple objects print not implemented yet."))
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boundary = 0.0393701
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# Convert everything to strings for use in the xml doc
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svgwidth = str(size[0] + (2 * boundary))
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svgheight = str(size[1] + (2 * boundary))
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minx = str(bounds[0] - boundary)
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miny = str(bounds[1] + boundary + size[1])
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# Add a SVG Header and footer to the svg output from shapely
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# The transform flips the Y Axis so that everything renders
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# properly within svg apps such as inkscape
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svg_header = '<svg xmlns="http://www.w3.org/2000/svg" ' \
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'version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" '
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svg_header += 'width="' + svgwidth + uom + '" '
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svg_header += 'height="' + svgheight + uom + '" '
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svg_header += 'viewBox="' + minx + ' -' + miny + ' ' + svgwidth + ' ' + svgheight + '" '
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svg_header += '>'
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svg_header += '<g transform="scale(1,-1)">'
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svg_footer = '</g> </svg>'
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svg_elem = str(svg_header)
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for svg_item in exported_svg:
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svg_elem += str(svg_item)
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svg_elem += str(svg_footer)
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# Parse the xml through a xml parser just to add line feeds
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# and to make it look more pretty for the output
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doc = parse_xml_string(svg_elem)
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doc_final = doc.toprettyxml()
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try:
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if self.defaults['units'].upper() == 'IN':
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unit = inch
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else:
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unit = mm
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doc_final = StringIO(doc_final)
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drawing = svg2rlg(doc_final)
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if p_size == 'Bounds':
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renderPDF.drawToFile(drawing, file_name)
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else:
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if orientation == 'p':
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page_size = portrait(self.pagesize[p_size])
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else:
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page_size = landscape(self.pagesize[p_size])
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my_canvas = canvas.Canvas(file_name, pagesize=page_size)
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my_canvas.translate(bounds[0] * unit, bounds[1] * unit)
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renderPDF.draw(drawing, my_canvas, 0, 0)
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my_canvas.save()
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except Exception as e:
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log.debug("App.save_pdf() --> PDF output --> %s" % str(e))
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return 'fail'
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self.inform.emit('[success] %s: %s' % (_("PDF file saved to"), file_name))
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def export_svg(self, obj_name, filename, scale_stroke_factor=0.00):
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"""
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@ -12,6 +12,7 @@ CAD program, and create G-Code for Isolation routing.
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20.12.2019
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- fixed a rare issue in the generation of non-copper-region geometry started from the Gerber Object UI (selected tab)
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- Print function is now printing a PDF file for a selection of objects in the colors from canvas
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19.12.2019
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