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-rw-r--r--gerber/render/excellon_backend.py188
1 files changed, 0 insertions, 188 deletions
diff --git a/gerber/render/excellon_backend.py b/gerber/render/excellon_backend.py
deleted file mode 100644
index 765d68c..0000000
--- a/gerber/render/excellon_backend.py
+++ /dev/null
@@ -1,188 +0,0 @@
-
-from .render import GerberContext
-from ..excellon import DrillSlot
-from ..excellon_statements import *
-
-class ExcellonContext(GerberContext):
-
- MODE_DRILL = 1
- MODE_SLOT =2
-
- def __init__(self, settings):
- GerberContext.__init__(self)
-
- # Statements that we write
- self.comments = []
- self.header = []
- self.tool_def = []
- self.body_start = [RewindStopStmt()]
- self.body = []
- self.start = [HeaderBeginStmt()]
-
- # Current tool and position
- self.handled_tools = set()
- self.cur_tool = None
- self.drill_mode = ExcellonContext.MODE_DRILL
- self.drill_down = False
- self._pos = (None, None)
-
- self.settings = settings
-
- self._start_header()
- self._start_comments()
-
- def _start_header(self):
- """Create the header from the settings"""
-
- self.header.append(UnitStmt.from_settings(self.settings))
-
- if self.settings.notation == 'incremental':
- raise NotImplementedError('Incremental mode is not implemented')
- else:
- self.body.append(AbsoluteModeStmt())
-
- def _start_comments(self):
-
- # Write the digits used - this isn't valid Excellon statement, so we write as a comment
- self.comments.append(CommentStmt('FILE_FORMAT=%d:%d' % (self.settings.format[0], self.settings.format[1])))
-
- def _get_end(self):
- """How we end depends on our mode"""
-
- end = []
-
- if self.drill_down:
- end.append(RetractWithClampingStmt())
- end.append(RetractWithoutClampingStmt())
-
- end.append(EndOfProgramStmt())
-
- return end
-
- @property
- def statements(self):
- return self.start + self.comments + self.header + self.body_start + self.body + self._get_end()
-
- def set_bounds(self, bounds, *args, **kwargs):
- pass
-
- def paint_background(self):
- pass
-
- def _render_line(self, line, color):
- raise ValueError('Invalid Excellon object')
- def _render_arc(self, arc, color):
- raise ValueError('Invalid Excellon object')
-
- def _render_region(self, region, color):
- raise ValueError('Invalid Excellon object')
-
- def _render_level_polarity(self, region):
- raise ValueError('Invalid Excellon object')
-
- def _render_circle(self, circle, color):
- raise ValueError('Invalid Excellon object')
-
- def _render_rectangle(self, rectangle, color):
- raise ValueError('Invalid Excellon object')
-
- def _render_obround(self, obround, color):
- raise ValueError('Invalid Excellon object')
-
- def _render_polygon(self, polygon, color):
- raise ValueError('Invalid Excellon object')
-
- def _simplify_point(self, point):
- return (point[0] if point[0] != self._pos[0] else None, point[1] if point[1] != self._pos[1] else None)
-
- def _render_drill(self, drill, color):
-
- if self.drill_mode != ExcellonContext.MODE_DRILL:
- self._start_drill_mode()
-
- tool = drill.hit.tool
- if not tool in self.handled_tools:
- self.handled_tools.add(tool)
- self.header.append(ExcellonTool.from_tool(tool))
-
- if tool != self.cur_tool:
- self.body.append(ToolSelectionStmt(tool.number))
- self.cur_tool = tool
-
- point = self._simplify_point(drill.position)
- self._pos = drill.position
- self.body.append(CoordinateStmt.from_point(point))
-
- def _start_drill_mode(self):
- """
- If we are not in drill mode, then end the ROUT so we can do basic drilling
- """
-
- if self.drill_mode == ExcellonContext.MODE_SLOT:
-
- # Make sure we are retracted before changing modes
- last_cmd = self.body[-1]
- if self.drill_down:
- self.body.append(RetractWithClampingStmt())
- self.body.append(RetractWithoutClampingStmt())
- self.drill_down = False
-
- # Switch to drill mode
- self.body.append(DrillModeStmt())
- self.drill_mode = ExcellonContext.MODE_DRILL
-
- else:
- raise ValueError('Should be in slot mode')
-
- def _render_slot(self, slot, color):
-
- # Set the tool first, before we might go into drill mode
- tool = slot.hit.tool
- if not tool in self.handled_tools:
- self.handled_tools.add(tool)
- self.header.append(ExcellonTool.from_tool(tool))
-
- if tool != self.cur_tool:
- self.body.append(ToolSelectionStmt(tool.number))
- self.cur_tool = tool
-
- # Two types of drilling - normal drill and slots
- if slot.hit.slot_type == DrillSlot.TYPE_ROUT:
-
- # For ROUT, setting the mode is part of the actual command.
-
- # Are we in the right position?
- if slot.start != self._pos:
- if self.drill_down:
- # We need to move into the right position, so retract
- self.body.append(RetractWithClampingStmt())
- self.drill_down = False
-
- # Move to the right spot
- point = self._simplify_point(slot.start)
- self._pos = slot.start
- self.body.append(CoordinateStmt.from_point(point, mode="ROUT"))
-
- # Now we are in the right spot, so drill down
- if not self.drill_down:
- self.body.append(ZAxisRoutPositionStmt())
- self.drill_down = True
-
- # Do a linear move from our current position to the end position
- point = self._simplify_point(slot.end)
- self._pos = slot.end
- self.body.append(CoordinateStmt.from_point(point, mode="LINEAR"))
-
- self.drill_mode = ExcellonContext.MODE_SLOT
-
- else:
- # This is a G85 slot, so do this in normally drilling mode
- if self.drill_mode != ExcellonContext.MODE_DRILL:
- self._start_drill_mode()
-
- # Slots don't use simplified points
- self._pos = slot.end
- self.body.append(SlotStmt.from_points(slot.start, slot.end))
-
- def _render_inverted_layer(self):
- pass