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
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Gerber (RS-274X) Statements
===========================
**Gerber RS-274X file statement classes**
"""
class Statement:
pass
def update_graphics_state(self, _state):
pass
def render_primitives(self, _state):
pass
class ParamStmt(Statement):
pass
class FormatSpecStmt(ParamStmt):
""" FS - Gerber Format Specification Statement """
def to_gerber(self, settings):
zeros = 'T' if settings.zeros == 'trailing' else 'L' # default to leading if "None" is specified
notation = 'I' if settings.notation == 'incremental' else 'A' # default to absolute
number_format = str(settings.number_format[0]) + str(settings.number_format[1])
return f'%FS{zeros}{notation}X{number_format}Y{number_format}*%'
def __str__(self):
return '<FS Format Specification>'
class UnitStmt(ParamStmt):
""" MO - Coordinate unit mode statement """
def to_gerber(self, settings):
return '%MOMM*%' if settings.unit == 'mm' else '%MOIN*%'
def __str__(self):
return ('<MO Coordinate unit mode statement>' % mode_str)
class LoadPolarityStmt(ParamStmt):
""" LP - Gerber Load Polarity statement """
def __init__(self, dark):
self.dark = dark
def to_gerber(self, settings=None):
lp = 'D' if self.dark else 'C'
return f'%LP{lp}*%'
def __str__(self):
lp = 'dark' if self.dark else 'clear'
return f'<LP Level Polarity: {lp}>'
def update_graphics_state(self, state):
state.polarity_dark = self.dark
class ApertureDefStmt(ParamStmt):
""" AD - Aperture Definition Statement """
def __init__(self, number, aperture):
self.number = number
self.aperture = aperture
def to_gerber(self, settings=None):
return f'%ADD{self.number}{self.aperture.to_gerber()}*%'
def __str__(self):
return f'<AD aperture def for {str(self.aperture).strip("<>")}>'
class ApertureMacroStmt(ParamStmt):
""" AM - Aperture Macro Statement """
def __init__(self, macro):
self.macro = macro
def to_gerber(self, settings=None):
unit = settings.unit if settings else None
return f'%AM{self.macro.name}*\n{self.macro.to_gerber(unit=unit)}*\n%'
def __str__(self):
return f'<AM Aperture Macro {self.macro.name}: {self.macro}>'
class ImagePolarityStmt(ParamStmt):
""" IP - Image Polarity Statement. (Deprecated) """
def to_gerber(self, settings):
#ip = 'POS' if settings.image_polarity == 'positive' else 'NEG'
return f'%IPPOS*%'
def __str__(self):
return '<IP Image Polarity>'
class CoordStmt(Statement):
""" D01 - D03 operation statements """
def __init__(self, x, y, i=None, j=None):
self.x, self.y, self.i, self.j = x, y, i, j
def to_gerber(self, settings=None):
ret = ''
for var in 'xyij':
val = getattr(self, var)
if val is not None:
ret += var.upper() + settings.write_gerber_value(val)
return ret + self.code + '*'
def __str__(self):
if self.i is None:
return f'<{self.__name__.strip()} x={self.x} y={self.y}>'
else:
return f'<{self.__name__.strip()} x={self.x} y={self.y} i={self.i} j={self.j}>'
class InterpolateStmt(CoordStmt):
""" D01 Interpolation """
code = 'D01'
class MoveStmt(CoordStmt):
""" D02 Move """
code = 'D02'
class FlashStmt(CoordStmt):
""" D03 Flash """
code = 'D03'
class InterpolationModeStmt(Statement):
""" G01 / G02 / G03 interpolation mode statement """
def to_gerber(self, settings=None):
return self.code + '*'
def __str__(self):
return f'<{self.__doc__.strip()}>'
class LinearModeStmt(InterpolationModeStmt):
""" G01 linear interpolation mode statement """
code = 'G01'
class CircularCWModeStmt(InterpolationModeStmt):
""" G02 circular interpolation mode statement """
code = 'G02'
class CircularCCWModeStmt(InterpolationModeStmt):
""" G03 circular interpolation mode statement """
code = 'G03'
class SingleQuadrantModeStmt(InterpolationModeStmt):
""" G75 single-quadrant arc interpolation mode statement """
code = 'G75'
class RegionStartStmt(InterpolationModeStmt):
""" G36 Region Mode Start Statement. """
code = 'G36'
class RegionEndStmt(InterpolationModeStmt):
""" G37 Region Mode End Statement. """
code = 'G37'
class ApertureStmt(Statement):
def __init__(self, d):
self.d = int(d)
def to_gerber(self, settings=None):
return 'D{0}*'.format(self.d)
def __str__(self):
return '<Aperture: %d>' % self.d
class CommentStmt(Statement):
""" G04 Comment Statment """
def __init__(self, comment):
self.comment = comment if comment is not None else ""
def to_gerber(self, settings=None):
return f'G04{self.comment}*'
def __str__(self):
return f'<G04 Comment: {self.comment}>'
class EofStmt(Statement):
""" M02 EOF Statement """
def to_gerber(self, settings=None):
return 'M02*'
def __str__(self):
return '<M02 EOF Statement>'
class UnknownStmt(Statement):
def __init__(self, line):
self.line = line
def to_gerber(self, settings=None):
return self.line
def __str__(self):
return f'<Unknown Statement: "{self.line}">'
|
