diff options
Diffstat (limited to 'gerbonara/gerber')
| -rw-r--r-- | gerbonara/gerber/aperture_macros/parse.py | 4 | ||||
| -rw-r--r-- | gerbonara/gerber/rs274x.py | 52 |
2 files changed, 54 insertions, 2 deletions
diff --git a/gerbonara/gerber/aperture_macros/parse.py b/gerbonara/gerber/aperture_macros/parse.py index 47f45d1..2f578ee 100644 --- a/gerbonara/gerber/aperture_macros/parse.py +++ b/gerbonara/gerber/aperture_macros/parse.py @@ -85,6 +85,10 @@ class ApertureMacro: else: return f'gn_{hash(self)}' + @name.setter + def name(self, name): + self._name = name + def __str__(self): return f'<Aperture macro, variables {str(self.variables)}, primitives {self.primitives}>' diff --git a/gerbonara/gerber/rs274x.py b/gerbonara/gerber/rs274x.py index f2473b9..1b62cc4 100644 --- a/gerbonara/gerber/rs274x.py +++ b/gerbonara/gerber/rs274x.py @@ -51,6 +51,49 @@ class GerberFile(CamFile): self.comments = [] self.objects = [] + def merge(self, other): + """ Merge other GerberFile into this one """ + # FIXME unit handling + + self.comments += other.comments + + # dedup apertures + new_apertures = {} + replace_apertures = {} + for ap in self.apertures + other.apertures: + gbr = ap.to_gerber() + if gbr not in new_apertures: + new_apertures[gbr] = ap + else: + replace_apertures[id(ap)] = new_apertures[gbr] + self.apertures = new_apertures + + self.objects += other.objects + for obj in self.objects: + if (ap := replace_apertures.get(id(getattr(obj, 'aperture')))): + obj.aperture = ap + + # dedup aperture macros + macros = { m.to_gerber(): m + for m in [ GenericMacros.circle, GenericMacros.rect, GenericMacros.oblong, GenericMacros.polygon] } + for ap in new_apertures: + if isinstance(aperture, ApertureMacroInstance): + macro_grb = ap.macro.to_gerber() # use native units to compare macros + if macro_grb in macros: + ap.macro = macros[macro_grb] + else: + macros[macro_grb] = ap.macro + + # make macro names unique + seen_macro_names = set() + for macro in macros.values(): + i = 2 + while (new_name := f'{macro.name}{i}') in seen_macro_names: + i += 1 + macro.name = new_name + seen_macro_names.add(new_name) + + @classmethod def open(kls, filename, enable_includes=False, enable_include_dir=None): with open(filename, "r") as f: @@ -91,7 +134,9 @@ class GerberFile(CamFile): for cmt in self.comments: yield CommentStmt(cmt) - # Emit gerbonara's generic, rotation-capable aperture macro replacements for the standard C/R/O/P shapes. + # Always emit gerbonara's generic, rotation-capable aperture macro replacements for the standard C/R/O/P shapes. + # Unconditionally emitting these here is easier than first trying to figure out if we need them later, + # and they are only a few bytes anyway. yield ApertureMacroStmt(GenericMacros.circle) yield ApertureMacroStmt(GenericMacros.rect) yield ApertureMacroStmt(GenericMacros.oblong) @@ -117,9 +162,12 @@ class GerberFile(CamFile): yield EofStmt() - def __str__(self): + def to_gerber(self): return '\n'.join(self.generate_statements()) + def __str__(self): + return f'<GerberFile with {len(self.apertures)} apertures, {len(self.objects)} objects>' + def save(self, filename): with open(filename, 'w', encoding='utf-8') as f: # Encoding is specified as UTF-8 by spec. for stmt in self.generate_statements(): |