add some width/height check for laserchecker
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@ -13,6 +13,13 @@
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<vbox>
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<param name="bbox" type="bool" gui-text="Bounding box">false</param>
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<param name="bbox_offset" type="float" min="0.000" max="9999.000" precision="3" gui-text=" > Minimum required offset (mm)">5.000</param>
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<param name="machine_size" gui-text="Machine/Size (mm)" type="optiongroup" appearance="combo">
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<option value="406x305">406 x 305 mm (Zing 16)</option>
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<option value="610x305">610 x 305 mm (Zing 24 / Fusion Edge 12)</option>
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<option value="812x508">812 x 508 mm (Fusion Pro 32 / Fusion M2 32)</option>
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<option value="1016x711">1016 x 711 mm (Fusion M2 40)</option>
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<option value="1219x914">1219 x 914 mm (Fusion Pro 48)</option>
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</param>
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<param name="groups_and_layers" type="bool" gui-text="Groups and layers">false</param>
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<param name="clones" type="bool" gui-text="Clones">false</param>
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<param name="clippaths" type="bool" gui-text="Clippings">false</param>
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@ -17,6 +17,7 @@ class LaserCheck(inkex.EffectExtension):
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pars.add_argument('--checks', default="check_all")
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pars.add_argument('--bbox', type=inkex.Boolean, default=False)
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pars.add_argument('--bbox_offset', type=float, default=5.000)
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pars.add_argument("--machine_size", default="812x508")
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pars.add_argument('--groups_and_layers', type=inkex.Boolean, default=False)
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pars.add_argument('--clones', type=inkex.Boolean, default=False)
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pars.add_argument('--clippaths', type=inkex.Boolean, default=False)
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@ -63,6 +64,7 @@ class LaserCheck(inkex.EffectExtension):
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pagecolor = namedView.get('pagecolor')
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inkex.utils.debug("---------- Default checks")
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inkex.utils.debug("Document units: {}".format(doc_units))
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'''
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The SVG format is highly complex and offers a lot of possibilities. Most things of SVG we do not
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need for a laser cutter. Usually we need svg:path and maybe svg:image; we can drop a lot of stuff
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@ -80,6 +82,83 @@ class LaserCheck(inkex.EffectExtension):
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for nonShape in nonShapes:
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inkex.utils.debug("non-shape id={}".format(nonShape.get('id')))
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'''
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Nearly each laser job needs a bit of border to place the material inside the laser. Often
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we have to fixate on vector grid, pin grid or task plate. Thus we need tapes or pins. So we
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leave some borders off the actual part geometries.
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'''
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if so.checks == "check_all" or so.bbox is True:
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inkex.utils.debug("\n---------- Borders around all elements - minimum offset {} mm from each side".format(so.bbox_offset))
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bbox = inkex.BoundingBox()
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for element in self.document.getroot().iter(tag=etree.Element):
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if element != self.document.getroot() and isinstance(element, inkex.ShapeElement) and element.tag != inkex.addNS('use','svg') and element.get('inkscape:groupmode') != 'layer': #bbox fails for svg:use elements and layers
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transform = inkex.Transform()
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parent = element.getparent()
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if parent is not None and isinstance(parent, inkex.ShapeElement):
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transform = parent.composed_transform()
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try:
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if isinstance (element, inkex.Rectangle) or \
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isinstance (element, inkex.Circle) or \
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isinstance (element, inkex.Ellipse):
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bbox += element.bounding_box() * scale_factor
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elif isinstance (element, inkex.TextElement) or \
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isinstance (element, inkex.Tspan):
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continue
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else:
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bbox += element.bounding_box(transform)
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except Exception:
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transform = element.composed_transform()
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x1, y1 = transform.apply_to_point([0, 0])
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x2, y2 = transform.apply_to_point([1, 1])
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bbox += inkex.BoundingBox((x1, x2), (y1, y2))
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if abs(bbox.width) == math.inf or abs(bbox.height) == math.inf:
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inkex.utils.debug("bounding box could not be calculated. SVG seems to be empty.")
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#else:
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# inkex.utils.debug("bounding box is {}".format(bbox))
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scale_factor = self.svg.unittouu("1px")
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page_width = self.svg.unittouu(self.document.getroot().attrib['width'])
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width_height = self.svg.unittouu(self.document.getroot().attrib['height'])
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fmm = self.svg.unittouu(str(so.bbox_offset) + "mm")
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bb_left = round(bbox.left, 3)
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bb_right = round(bbox.right, 3)
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bb_top = round(bbox.top, 3)
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bb_bottom = round(bbox.bottom, 3)
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bb_width = round(bbox.width, 3)
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bb_height = round(bbox.height, 3)
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if bb_left >= fmm:
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inkex.utils.debug("left border... ok")
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else:
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inkex.utils.debug("left border... fail: {:0.3f} mm".format(self.svg.uutounit(bb_left, "mm")))
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if bb_top >= fmm:
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inkex.utils.debug("top border... ok")
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else:
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inkex.utils.debug("top border... fail: {:0.3f} mm".format(self.svg.uutounit(bb_top, "mm")))
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if bb_right + fmm <= page_width:
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inkex.utils.debug("right border... ok")
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else:
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inkex.utils.debug("right border... fail: {:0.3f} mm".format(self.svg.uutounit(bb_right, "mm")))
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if bb_bottom + fmm <= width_height:
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inkex.utils.debug("bottom border... ok")
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else:
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inkex.utils.debug("bottom border... fail: {:0.3f} mm".format(self.svg.uutounit(bb_bottom, "mm")))
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machineWidth = self.svg.unittouu(self.options.machine_size.split('x')[0] + "mm")
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if bb_width <= machineWidth:
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inkex.utils.debug("page width... ok")
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else:
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inkex.utils.debug("page width... fail: {:0.3f} mm".format(bb_width))
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machineHeight = self.svg.unittouu(self.options.machine_size.split('x')[1] + "mm")
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if bb_height <= machineHeight:
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inkex.utils.debug("page height... ok")
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else:
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inkex.utils.debug("page height... fail: {:0.3f} mm".format(bb_height))
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if so.checks == "check_all" or so.groups_and_layers is True:
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inkex.utils.debug("\n---------- Groups and layers")
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groups = []
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@ -197,57 +276,6 @@ class LaserCheck(inkex.EffectExtension):
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for strokeColor in strokeColors:
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inkex.utils.debug("stroke color {}".format(strokeColor))
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'''
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Nearly each laser job needs a bit of border to place the material inside the laser. Often
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we have to fixate on vector grid, pin grid or task plate. Thus we need tapes or pins. So we
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leave some borders off the actual part geometries.
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'''
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if so.checks == "check_all" or so.bbox is True:
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inkex.utils.debug("\n---------- Borders around all elements - minimum offset {} mm from each side".format(so.bbox_offset))
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bbox = inkex.BoundingBox()
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for element in self.document.getroot().iter(tag=etree.Element):
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if element != self.document.getroot() and isinstance(element, inkex.ShapeElement) and element.tag != inkex.addNS('use','svg') and element.get('inkscape:groupmode') != 'layer': #bbox fails for svg:use elements and layers
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transform = inkex.Transform()
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parent = element.getparent()
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if parent is not None and isinstance(parent, inkex.ShapeElement):
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transform = parent.composed_transform()
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try:
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bbox += element.bounding_box(transform)
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except Exception:
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transform = element.composed_transform()
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x1, y1 = transform.apply_to_point([0, 0])
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x2, y2 = transform.apply_to_point([1, 1])
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bbox += inkex.BoundingBox((x1, x2), (y1, y2))
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if abs(bbox.width) == math.inf or abs(bbox.height) == math.inf:
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inkex.utils.debug("bounding box could not be calculated")
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#else:
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# inkex.utils.debug("bounding box is {}".format(bbox))
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page_width = self.svg.unittouu(self.document.getroot().attrib['width'])
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width_height = self.svg.unittouu(self.document.getroot().attrib['height'])
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fmm = self.svg.unittouu(str(so.bbox_offset) + "mm")
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if bbox.left >= fmm:
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inkex.utils.debug("left border... ok")
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else:
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inkex.utils.debug("left border... fail: {:0.3f} mm".format(self.svg.uutounit(bbox.left, "mm")))
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if bbox.top >= fmm:
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inkex.utils.debug("top border... ok")
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else:
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inkex.utils.debug("top border... fail: {:0.3f} mm".format(self.svg.uutounit(bbox.top, "mm")))
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if bbox.right + fmm <= page_width:
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inkex.utils.debug("right border... ok")
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else:
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inkex.utils.debug("right border... fail: {:0.3f} mm".format(self.svg.uutounit(bbox.right, "mm")))
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if bbox.bottom + fmm <= width_height:
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inkex.utils.debug("bottom border... ok")
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else:
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inkex.utils.debug("bottom border... fail: {:0.3f} mm".format(self.svg.uutounit(bbox.bottom, "mm")))
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'''
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Different stroke widths might behave the same like different stroke colors. Reduce to a minimum set.
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Ideally all stroke widths are set to 1 pixel.
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