jaseg/pcb-tools-extension
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add rectangle generator

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This commit is contained in:
opiopan 2019-04-03 12:17:59 +09:00
parent cb420e39e2
commit 6b4603af21
3 changed files with 64 additions and 27 deletions
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4
gerberex/__init__.py
View file

@ -10,6 +10,6 @@ gerber-tools-extension is a extention package for gerber-tools.
This package provide panelizing of PCB fucntion.
"""
from gerberex.common import (read, loads)
from gerberex.composition import (GerberComposition, DrillComposition)
from gerberex.common import read, loads, rectangle
from gerberex.composition import GerberComposition, DrillComposition
from gerberex.dxf import DxfFile

5
gerberex/common.py
View file

@ -33,3 +33,8 @@ def loads(data, filename=None, format=None):
return ipc356.loads(data, filename=filename)
else:
raise ParseError('Unable to detect file format')
def rectangle(width, height, left=0, bottom=0, units='metric', draw_mode=None, filename=None):
return gerberex.dxf.DxfFile.rectangle(
width, height, left, bottom, units, draw_mode, filename)

82
gerberex/dxf.py
View file

@ -42,10 +42,16 @@ class DxfStatement(object):
raise Exception('Not implemented')
class DxfLineStatement(DxfStatement):
def __init__(self, entity):
@classmethod
def from_entity(cls, entity):
start = (entity.start[0], entity.start[1])
end = (entity.end[0], entity.end[1])
return cls(entity, start, end)
def __init__(self, entity, start, end):
super(DxfLineStatement, self).__init__(entity)
self.start = (self.entity.start[0], self.entity.start[1])
self.end = (self.entity.end[0], self.entity.end[1])
self.start = start
self.end = end
def to_gerber(self, settings=FileSettings(), pitch=0, width=0):
if pitch == 0:
@ -329,7 +335,7 @@ class DxfPolylineStatement(DxfStatement):
self.entity.bulge[idx] = metric(self.entity.bulge[idx])
class DxfStatements(object):
def __init__(self, entities, units, dcode=10, draw_mode=None):
def __init__(self, statements, units, dcode=10, draw_mode=None):
if draw_mode == None:
draw_mode = DxfFile.DM_LINE
self._units = units
@ -338,16 +344,7 @@ class DxfStatements(object):
self.pitch = inch(1) if self._units == 'inch' else 1
self.width = 0
self.error_range = inch(ACCEPTABLE_ERROR) if self._units == 'inch' else ACCEPTABLE_ERROR
self.statements = []
for entity in entities:
if entity.dxftype == 'LWPOLYLINE':
self.statements.append(DxfPolylineStatement(entity))
elif entity.dxftype == 'LINE':
self.statements.append(DxfLineStatement(entity))
elif entity.dxftype == 'CIRCLE':
self.statements.append(DxfCircleStatement(entity))
elif entity.dxftype == 'ARC':
self.statements.append(DxfArcStatement(entity))
self.statements = statements
self.paths = generate_closed_paths(self.statements, self.error_range)
@property
@ -458,18 +455,52 @@ class DxfFile(CamFile):
FT_RX274X = 0
FT_EXCELLON = 1
def __init__(self, dxf, settings=None, draw_mode=None, filename=None):
if not settings:
settings = FileSettings(zero_suppression='leading')
@classmethod
def from_dxf(cls, dxf, settings=None, draw_mode=None, filename=None):
fsettings = settings if settings else \
FileSettings(zero_suppression='leading')
if dxf.header['$INSUNITS'] == 1:
fsettings.units = 'inch'
if not settings:
fsettings.format = (2, 5)
else:
fsettings.units = 'metric'
if not settings:
fsettings.format = (3, 4)
statements = []
for entity in dxf.entities:
if entity.dxftype == 'LWPOLYLINE':
statements.append(DxfPolylineStatement(entity))
elif entity.dxftype == 'LINE':
statements.append(DxfLineStatement.from_entity(entity))
elif entity.dxftype == 'CIRCLE':
statements.append(DxfCircleStatement(entity))
elif entity.dxftype == 'ARC':
statements.append(DxfArcStatement(entity))
return cls(statements, fsettings, draw_mode, filename)
@classmethod
def rectangle(cls, width, height, left=0, bottom=0, units='metric', draw_mode=None, filename=None):
if units == 'metric':
settings = FileSettings(units=units, zero_suppression='leading', format=(3,4))
else:
settings = FileSettings(units=units, zero_suppression='leading', format=(2,5))
statements = [
DxfLineStatement(None, (left, bottom), (left + width, bottom)),
DxfLineStatement(None, (left + width, bottom), (left + width, bottom + height)),
DxfLineStatement(None, (left + width, bottom + height), (left, bottom + height)),
DxfLineStatement(None, (left, bottom + height), (left, bottom)),
]
return cls(statements, settings, draw_mode, filename)
def __init__(self, statements, settings=None, draw_mode=None, filename=None):
if not settings:
settings = FileSettings(units='metric', format=(3,4), zero_suppression='leading')
if draw_mode == None:
draw_mode = self.DM_LINE
if dxf.header['$INSUNITS'] == 1:
settings.units = 'inch'
settings.format = (2, 5)
else:
settings.units = 'metric'
settings.format = (3, 4)
super(DxfFile, self).__init__(settings=settings, filename=filename)
self._draw_mode = draw_mode
@ -477,7 +508,8 @@ class DxfFile(CamFile):
self.header2 = DxfHeader2Statement()
self.aperture = ADParamStmt.circle(dcode=10, diameter=0.0)
self.statements = DxfStatements(dxf.entities, self.units, dcode=self.aperture.d, draw_mode=self.draw_mode)
self.statements = DxfStatements(
statements, self.units, dcode=self.aperture.d, draw_mode=self.draw_mode)
@property
def dcode(self):
@ -559,4 +591,4 @@ def loads(data, filename=None):
data = unicode(data)
stream = io.StringIO(data)
dxf = dxfgrabber.read(stream)
return DxfFile(dxf)
return DxfFile.from_dxf(dxf)