diff options
Diffstat (limited to 'gerbonara/gerber/rs274x.py')
| -rw-r--r-- | gerbonara/gerber/rs274x.py | 66 |
1 files changed, 30 insertions, 36 deletions
diff --git a/gerbonara/gerber/rs274x.py b/gerbonara/gerber/rs274x.py index 2f41684..401047f 100644 --- a/gerbonara/gerber/rs274x.py +++ b/gerbonara/gerber/rs274x.py @@ -199,10 +199,10 @@ class GerberFile(CamFile): for number, aperture in enumerate(self.apertures, start=10): if isinstance(aperture, apertures.ApertureMacroInstance): - macro_grb = aperture._rotated().macro.to_gerber() # use native unit to compare macros - if macro_grb not in processed_macros: - processed_macros.add(macro_grb) - yield am_stmt(aperture._rotated().macro) + macro_def = am_stmt(aperture._rotated().macro) + if macro_def not in processed_macros: + processed_macros.add(macro_def) + yield macro_def yield f'%ADD{number}{aperture.to_gerber(settings)}*%' @@ -503,10 +503,6 @@ class GerberParser: @classmethod def _split_commands(kls, data): - """ - Split the data into commands. Commands end with * (and also newline to help with some badly formatted files) - """ - start = 0 extended_command = False lineno = 1 @@ -521,7 +517,9 @@ class GerberParser: extended_command = False else: - extended_command = True + # Ignore % inside G04 comments + if not data[start:pos].startswith('G04'): + extended_command = True start = pos + 1 continue @@ -581,12 +579,8 @@ class GerberParser: elif match['interpolation'] == 'G75': self.multi_quadrant_mode = False - if match['interpolation'] in ('G74', 'G75'): - if match[0] == match['interpolation']: - return # nothing else to do - - else: - raise SyntaxError('G74/G75 combined with coord') + if match['interpolation'] in ('G74', 'G75') and (match['x'] or match['y'] or match['i'] or match['j']): + raise SyntaxError('G74/G75 combined with coord') x = self.file_settings.parse_gerber_value(match['x']) y = self.file_settings.parse_gerber_value(match['y']) @@ -595,10 +589,10 @@ class GerberParser: if not (op := match['operation']): if self.last_operation == 'D01': - warnings.warn('Coordinate statement without explicit operation code. This is forbidden by spec.', - SyntaxWarning) + warnings.warn('Coordinate statement without explicit operation code. This is forbidden by spec.', SyntaxWarning) op = 'D01' - else: + + elif match['x'] or match['y'] or match['i'] or match['j']: raise SyntaxError('Ambiguous coordinate statement. Coordinate statement does not have an operation '\ 'mode and the last operation statement was not D01.') @@ -618,25 +612,25 @@ class GerberParser: else: self.current_region.append(self.graphics_state.interpolate(x, y, i, j, aperture=False)) + elif op in ('D2', 'D02'): + self.graphics_state.update_point(x, y) + if self.current_region: + # Start a new region for every outline. As gerber has no concept of fill rules or winding numbers, + # it does not make a graphical difference, and it makes the implementation slightly easier. + self.target.objects.append(self.current_region) + self.current_region = go.Region( + polarity_dark=self.graphics_state.polarity_dark, + unit=self.file_settings.unit) + + elif op in ('D3', 'D03'): + if self.current_region is None: + self.target.objects.append(self.graphics_state.flash(x, y)) + else: + raise SyntaxError('DO3 flash statement inside region') + else: - if i is not None or j is not None: - raise SyntaxError("i/j coordinates given for D02/D03 operation (which doesn't take i/j)") - - if op in ('D2', 'D02'): - self.graphics_state.update_point(x, y) - if self.current_region: - # Start a new region for every outline. As gerber has no concept of fill rules or winding numbers, - # it does not make a graphical difference, and it makes the implementation slightly easier. - self.target.objects.append(self.current_region) - self.current_region = go.Region( - polarity_dark=self.graphics_state.polarity_dark, - unit=self.file_settings.unit) - - else: # D03 - if self.current_region is None: - self.target.objects.append(self.graphics_state.flash(x, y)) - else: - raise SyntaxError('DO3 flash statement inside region') + # Do nothing if there is no explicit D code. + pass def _parse_aperture(self, match): number = int(match['number']) |