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-rw-r--r--gerberex/rs274x.py331
1 files changed, 0 insertions, 331 deletions
diff --git a/gerberex/rs274x.py b/gerberex/rs274x.py
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--- a/gerberex/rs274x.py
+++ /dev/null
@@ -1,331 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
-
-from gerber.cam import FileSettings
-import gerber.rs274x
-from gerber.gerber_statements import *
-from gerberex.gerber_statements import AMParamStmt, AMParamStmtEx, ADParamStmtEx
-from gerberex.utility import rotate
-import re
-
-def loads(data, filename=None):
- cls = gerber.rs274x.GerberParser
- cls.SF = \
- r"(?P<param>SF)(A(?P<a>{decimal}))?(B(?P<b>{decimal}))?".format(decimal=cls.DECIMAL)
- cls.PARAMS = (cls.FS, cls.MO, cls.LP, cls.AD_CIRCLE,
- cls.AD_RECT, cls.AD_OBROUND, cls.AD_POLY,
- cls.AD_MACRO, cls.AM, cls.AS, cls.IF, cls.IN,
- cls.IP, cls.IR, cls.MI, cls.OF, cls.SF, cls.LN)
- cls.PARAM_STMT = [re.compile(r"%?{0}\*%?".format(p)) for p in cls.PARAMS]
- return cls().parse_raw(data, filename)
-
-def write_gerber_header(file, settings):
- file.write('%s\n%s\n%%IPPOS*%%\n' % (
- MOParamStmt('MO', settings.units).to_gerber(settings),
- FSParamStmt('FS', settings.zero_suppression,
- settings.notation, settings.format).to_gerber(settings)))
-
-class GerberFile(gerber.rs274x.GerberFile):
- @classmethod
- def from_gerber_file(cls, gerber_file):
- if not isinstance(gerber_file, gerber.rs274x.GerberFile):
- raise Exception('only gerber.rs274x.GerberFile object is specified')
-
- return cls(gerber_file.statements, gerber_file.settings, gerber_file.primitives,\
- gerber_file.apertures, gerber_file.filename)
-
- def __init__(self, statements, settings, primitives, apertures, filename=None):
- super(GerberFile, self).__init__(statements, settings, primitives, apertures, filename)
- self.context = GerberContext.from_settings(self.settings)
- self.aperture_macros = {}
- self.aperture_defs = []
- self.main_statements = []
- for stmt in self.statements:
- type, stmts = self.context.normalize_statement(stmt)
- if type == self.context.TYPE_AM:
- for mdef in stmts:
- self.aperture_macros[mdef.name] = mdef
- elif type == self.context.TYPE_AD:
- self.aperture_defs.extend(stmts)
- elif type == self.context.TYPE_MAIN:
- self.main_statements.extend(stmts)
- if self.context.angle != 0:
- self.rotate(self.context.angle)
- if self.context.is_negative:
- self.nagate_polarity()
- self.context.notation = 'absolute'
- self.context.zeros = 'trailing'
-
- def write(self, filename=None):
- self.context.notation = 'absolute'
- self.context.zeros = 'trailing'
- self.context.format = self.format
- self.units = self.units
- filename=filename if filename is not None else self.filename
- with open(filename, 'w') as f:
- write_gerber_header(f, self.context)
- for macro in self.aperture_macros:
- f.write(self.aperture_macros[macro].to_gerber(self.context) + '\n')
- for aperture in self.aperture_defs:
- f.write(aperture.to_gerber(self.context) + '\n')
- for statement in self.main_statements:
- f.write(statement.to_gerber(self.context) + '\n')
- f.write('M02*\n')
-
- def to_inch(self):
- if self.units == 'metric':
- for macro in self.aperture_macros:
- self.aperture_macros[macro].to_inch()
- for aperture in self.aperture_defs:
- aperture.to_inch()
- for statement in self.statements:
- statement.to_inch()
- self.units = 'inch'
- self.context.units = 'inch'
-
- def to_metric(self):
- if self.units == 'inch':
- for macro in self.aperture_macros:
- self.aperture_macros[macro].to_metric()
- for aperture in self.aperture_defs:
- aperture.to_metric()
- for statement in self.statements:
- statement.to_metric()
- self.units='metric'
- self.context.units='metric'
-
- def offset(self, x_offset=0, y_offset=0):
- for statement in self.main_statements:
- if isinstance(statement, CoordStmt):
- if statement.x is not None:
- statement.x += x_offset
- if statement.y is not None:
- statement.y += y_offset
- for primitive in self.primitives:
- primitive.offset(x_offset, y_offset)
-
- def rotate(self, angle, center=(0,0)):
- if angle % 360 == 0:
- return
- self._generalize_aperture()
- last_x = 0
- last_y = 0
- last_rx = 0
- last_ry = 0
- for name in self.aperture_macros:
- self.aperture_macros[name].rotate(angle, center)
- for statement in self.main_statements:
- if isinstance(statement, CoordStmt) and statement.x != None and statement.y != None:
- if statement.i != None and statement.j != None:
- cx = last_x + statement.i
- cy = last_y + statement.j
- cx, cy = rotate(cx, cy, angle, center)
- statement.i = cx - last_rx
- statement.j = cy - last_ry
- last_x = statement.x
- last_y = statement.y
- last_rx, last_ry = rotate(statement.x, statement.y, angle, center)
- statement.x = last_rx
- statement.y = last_ry
-
- def nagate_polarity(self):
- for statement in self.main_statements:
- if isinstance(statement, LPParamStmt):
- statement.lp = 'dark' if statement.lp == 'clear' else 'clear'
-
- def _generalize_aperture(self):
- RECTANGLE = 0
- LANDSCAPE_OBROUND = 1
- PORTRATE_OBROUND = 2
- POLYGON = 3
- macro_defs = [
- ('MACR', AMParamStmtEx.rectangle),
- ('MACLO', AMParamStmtEx.landscape_obround),
- ('MACPO', AMParamStmtEx.portrate_obround),
- ('MACP', AMParamStmtEx.polygon)
- ]
-
- need_to_change = False
- for statement in self.aperture_defs:
- if isinstance(statement, ADParamStmt) and statement.shape in ['R', 'O', 'P']:
- need_to_change = True
-
- if need_to_change:
- for idx in range(0, len(macro_defs)):
- macro_def = macro_defs[idx]
- name = macro_def[0]
- num = 1
- while name in self.aperture_macros:
- name = '%s_%d' % (macro_def[0], num)
- num += 1
- self.aperture_macros[name] = macro_def[1](name, self.units)
- macro_defs[idx] = (name, macro_def[1])
- for statement in self.aperture_defs:
- if isinstance(statement, ADParamStmt):
- if statement.shape == 'R':
- statement.shape = macro_defs[RECTANGLE][0]
- elif statement.shape == 'O':
- x = statement.modifiers[0][0] \
- if len(statement.modifiers[0]) > 0 else 0
- y = statement.modifiers[0][1] \
- if len(statement.modifiers[0]) > 1 else 0
- statement.shape = macro_defs[LANDSCAPE_OBROUND][0] \
- if x > y else macro_defs[PORTRATE_OBROUND][0]
- elif statement.shape == 'P':
- statement.shape = macro_defs[POLYGON][0]
-
-class GerberContext(FileSettings):
- TYPE_NONE = 'none'
- TYPE_AM = 'am'
- TYPE_AD = 'ad'
- TYPE_MAIN = 'main'
- IP_LINEAR = 'lenear'
- IP_ARC = 'arc'
- DIR_CLOCKWISE = 'cw'
- DIR_COUNTERCLOCKWISE = 'ccw'
-
- ignored_stmt = ('FSParamStmt', 'MOParamStmt', 'ASParamStmt',
- 'INParamStmt', 'IPParamStmt', 'IRParamStmt',
- 'MIParamStmt', 'OFParamStmt', 'SFParamStmt',
- 'LNParamStmt', 'CommentStmt', 'EofStmt',)
-
- @classmethod
- def from_settings(cls, settings):
- return cls(settings.notation, settings.units, settings.zero_suppression,
- settings.format, settings.zeros, settings.angle_units)
-
- def __init__(self, notation='absolute', units='inch',
- zero_suppression=None, format=(2, 5), zeros=None,
- angle_units='degrees',
- name=None,
- mirror=(False, False), offset=(0., 0.), scale=(1., 1.),
- angle=0., axis='xy'):
- super(GerberContext, self).__init__(notation, units, zero_suppression,
- format, zeros, angle_units)
- self.name = name
- self.mirror = mirror
- self.offset = offset
- self.scale = scale
- self.angle = angle
- self.axis = axis
-
- self.matrix = (1, 0,
- 1, 0,
- 1, 1)
-
- self.is_negative = False
- self.is_first_coordinate = True
- self.no_polarity = True
- self.in_single_quadrant_mode = False
- self.op = None
- self.interpolation = self.IP_LINEAR
- self.direction = self.DIR_CLOCKWISE
- self.x = 0.
- self.y = 0.
-
- def normalize_statement(self, stmt):
- additional_stmts = None
- if isinstance(stmt, INParamStmt):
- self.name = stmt.name
- elif isinstance(stmt, MIParamStmt):
- self.mirror = (stmt.a, stmt.b)
- self._update_matrix()
- elif isinstance(stmt, OFParamStmt):
- self.offset = (stmt.a, stmt.b)
- self._update_matrix()
- elif isinstance(stmt, SFParamStmt):
- self.scale = (stmt.a, stmt.b)
- self._update_matrix()
- elif isinstance(stmt, ASParamStmt):
- self.axis = 'yx' if stmt.mode == 'AYBX' else 'xy'
- self._update_matrix()
- elif isinstance(stmt, IRParamStmt):
- self.angle = stmt.angle
- elif isinstance(stmt, AMParamStmt) and not isinstance(stmt, AMParamStmtEx):
- stmt = AMParamStmtEx.from_stmt(stmt)
- return (self.TYPE_AM, [stmt])
- elif isinstance(stmt, ADParamStmt) and not isinstance(stmt, AMParamStmtEx):
- stmt = ADParamStmtEx.from_stmt(stmt)
- return (self.TYPE_AD, [stmt])
- elif isinstance(stmt, QuadrantModeStmt):
- self.in_single_quadrant_mode = stmt.mode == 'single-quadrant'
- stmt.mode = 'multi-quadrant'
- elif isinstance(stmt, IPParamStmt):
- self.is_negative = stmt.ip == 'negative'
- elif isinstance(stmt, LPParamStmt):
- self.no_polarity = False
- elif isinstance(stmt, CoordStmt):
- self._normalize_coordinate(stmt)
- if self.is_first_coordinate:
- self.is_first_coordinate = False
- if self.no_polarity:
- additional_stmts = [LPParamStmt('LP', 'dark'), stmt]
-
- if type(stmt).__name__ in self.ignored_stmt:
- return (self.TYPE_NONE, None)
- elif additional_stmts is not None:
- return (self.TYPE_MAIN, additional_stmts)
- else:
- return (self.TYPE_MAIN, [stmt])
-
- def _update_matrix(self):
- if self.axis == 'xy':
- mx = -1 if self.mirror[0] else 1
- my = -1 if self.mirror[1] else 1
- self.matrix = (
- self.scale[0] * mx, self.offset[0],
- self.scale[1] * my, self.offset[1],
- self.scale[0] * mx, self.scale[1] * my)
- else:
- mx = -1 if self.mirror[1] else 1
- my = -1 if self.mirror[0] else 1
- self.matrix = (
- self.scale[1] * mx, self.offset[1],
- self.scale[0] * my, self.offset[0],
- self.scale[1] * mx, self.scale[0] * my)
-
- def _normalize_coordinate(self, stmt):
- if stmt.function == 'G01' or stmt.function == 'G1':
- self.interpolation = self.IP_LINEAR
- elif stmt.function == 'G02' or stmt.function == 'G2':
- self.interpolation = self.IP_ARC
- self.direction = self.DIR_CLOCKWISE
- if self.mirror[0] != self.mirror[1]:
- stmt.function = 'G03'
- elif stmt.function == 'G03' or stmt.function == 'G3':
- self.interpolation = self.IP_ARC
- self.direction = self.DIR_COUNTERCLOCKWISE
- if self.mirror[0] != self.mirror[1]:
- stmt.function = 'G02'
- if stmt.only_function:
- return
-
- last_x = self.x
- last_y = self.y
- if self.notation == 'absolute':
- x = stmt.x if stmt.x is not None else self.x
- y = stmt.y if stmt.y is not None else self.y
- else:
- x = self.x + stmt.x if stmt.x is not None else 0
- y = self.y + stmt.y if stmt.y is not None else 0
- self.x, self.y = x, y
- self.op = stmt.op if stmt.op is not None else self.op
-
- stmt.op = self.op
- stmt.x = self.matrix[0] * x + self.matrix[1]
- stmt.y = self.matrix[2] * y + self.matrix[3]
- if stmt.op == 'D01' and self.interpolation == self.IP_ARC:
- qx, qy = 1, 1
- if self.in_single_quadrant_mode:
- if self.direction == self.DIR_CLOCKWISE:
- qx = 1 if y > last_y else -1
- qy = 1 if x < last_x else -1
- else:
- qx = 1 if y < last_y else -1
- qy = 1 if x > last_x else -1
- if last_x == x and last_y == y:
- qx, qy = 0, 0
- stmt.i = qx * self.matrix[4] * stmt.i if stmt.i is not None else 0
- stmt.j = qy * self.matrix[5] * stmt.j if stmt.j is not None else 0
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