diff options
Diffstat (limited to 'gerber/render/excellon_backend.py')
| -rw-r--r-- | gerber/render/excellon_backend.py | 188 |
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 |