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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
from gerber.excellon import (ExcellonParser, detect_excellon_format, ExcellonFile)
from gerber.excellon_statements import UnitStmt
from gerber.cam import FileSettings
from gerber.utils import inch, metric
from gerberex.utility import rotate
def loads(data, filename=None, settings=None, tools=None, format=None):
if not settings:
settings = FileSettings(**detect_excellon_format(data))
if format:
settings.format = format
file = ExcellonParser(settings, tools).parse_raw(data, filename)
return ExcellonFileEx.from_file(file)
class ExcellonFileEx(ExcellonFile):
@classmethod
def from_file(cls, file):
statements = [
UnitStmtEx.from_statement(s) if isinstance(s, UnitStmt) else s \
for s in file.statements
]
return cls(statements, file.tools, file.hits, file.settings, file.filename)
def __init__(self, statements, tools, hits, settings, filename=None):
super(ExcellonFileEx, self).__init__(statements, tools, hits, settings, filename)
def rotate(self, angle, center=(0,0)):
if angle % 360 == 0:
return
for hit in self.hits:
hit.position = rotate(hit.position[0], hit.position[1], angle, center)
def to_inch(self):
if self.units == 'metric':
super(ExcellonFileEx, self).to_inch()
for hit in self.hits:
hit.position = (inch(hit.position[0]), inch(hit.position[1]))
def to_metric(self):
if self.units == 'inch':
super(ExcellonFileEx, self).to_metric()
for hit in self.hits:
hit.position = (metric(hit.position[0]), metric(hit.position[1]))
class UnitStmtEx(UnitStmt):
@classmethod
def from_statement(cls, stmt):
return cls(units=stmt.units, zeros=stmt.zeros, format=stmt.format, id=stmt.id)
def __init__(self, units='inch', zeros='leading', format=None, **kwargs):
super(UnitStmtEx, self).__init__(units, zeros, format, **kwargs)
def to_excellon(self, settings=None):
format = settings.format if settings else self.format
stmt = '%s,%s,%s.%s' % ('INCH' if self.units == 'inch' else 'METRIC',
'LZ' if self.zeros == 'leading' else 'TZ',
'0' * format[0], '0' * format[1])
return stmt
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