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from .render import GerberContext
from ..excellon_statements import *
class ExcellonContext(GerberContext):
def __init__(self, settings):
GerberContext.__init__(self)
self.comments = []
self.header = []
self.tool_def = []
self.body = []
self.start = [HeaderBeginStmt()]
self.end = [EndOfProgramStmt()]
self.handled_tools = set()
self.cur_tool = None
self._pos = (None, None)
self.settings = settings
self._start_header(settings)
def _start_header(self, settings):
pass
@property
def statements(self):
return self.start + self.comments + self.header + self.body + self.end
def set_bounds(self, bounds):
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):
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))
point = self._simplify_point(drill.position)
self._pos = drill.position
self.body.append(CoordinateStmt.from_point(point))
def _render_inverted_layer(self):
pass
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