summaryrefslogtreecommitdiff
path: root/gerbonara/gerber/panelize/rs274x.py
blob: 2f44cd4d6579b8c36712f85150469c304abed8d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>

from ..cam import FileSettings
from .. import rs274x
from ..gerber_statements import *
from .gerber_statements import AMParamStmt, AMParamStmtEx, ADParamStmtEx
from .utility import rotate
import re

def loads(data, filename=None):
    cls = 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(rs274x.GerberFile):
    @classmethod
    def from_gerber_file(cls, gerber_file):
        if not isinstance(gerber_file, rs274x.GerberFile):
            raise Exception('only gerbonara.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