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authorjaseg <git@jaseg.de>2022-01-30 20:11:38 +0100
committerjaseg <git@jaseg.de>2022-01-30 20:11:38 +0100
commitc3ca4f95bd59f69d45e582a4149327f57a360760 (patch)
tree5f43c61a261698e2f671b5238a7aa9a71a0f6d23 /gerbonara/gerber/graphic_objects.py
parent259a56186820923c78a5688f59bd8249cf958b5f (diff)
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Rename gerbonara/gerber package to just gerbonara
Diffstat (limited to 'gerbonara/gerber/graphic_objects.py')
-rw-r--r--gerbonara/gerber/graphic_objects.py382
1 files changed, 0 insertions, 382 deletions
diff --git a/gerbonara/gerber/graphic_objects.py b/gerbonara/gerber/graphic_objects.py
deleted file mode 100644
index 1f475a6..0000000
--- a/gerbonara/gerber/graphic_objects.py
+++ /dev/null
@@ -1,382 +0,0 @@
-
-import math
-from dataclasses import dataclass, KW_ONLY, astuple, replace, field, fields
-
-from .utils import MM, InterpMode
-from . import graphic_primitives as gp
-
-
-def convert(value, src, dst):
- if src == dst or src is None or dst is None or value is None:
- return value
- elif dst == MM:
- return value * 25.4
- else:
- return value / 25.4
-
-class Length:
- def __init__(self, obj_type):
- self.type = obj_type
-
-@dataclass
-class GerberObject:
- _ : KW_ONLY
- polarity_dark : bool = True
- unit : str = None
- attrs : dict = field(default_factory=dict)
-
- def converted(self, unit):
- return replace(self,
- **{ f.name: self.unit.convert_to(unit, getattr(self, f.name))
- for f in fields(self) if type(f.type) is Length })
-
- def with_offset(self, dx, dy, unit=MM):
- dx, dy = self.unit(dx, unit), self.unit(dy, unit)
- return self._with_offset(dx, dy)
-
- def rotate(self, rotation, cx=0, cy=0, unit=MM):
- cx, cy = self.unit(cx, unit), self.unit(cy, unit)
- self._rotate(rotation, cx, cy)
-
- def bounding_box(self, unit=None):
- bboxes = [ p.bounding_box() for p in self.to_primitives(unit) ]
- min_x = min(min_x for (min_x, _min_y), _ in bboxes)
- min_y = min(min_y for (_min_x, min_y), _ in bboxes)
- max_x = max(max_x for _, (max_x, _max_y) in bboxes)
- max_y = max(max_y for _, (_max_x, max_y) in bboxes)
- return ((min_x, min_y), (max_x, max_y))
-
- def to_primitives(self, unit=None):
- raise NotImplementedError()
-
-@dataclass
-class Flash(GerberObject):
- x : Length(float)
- y : Length(float)
- aperture : object
-
- @property
- def tool(self):
- return self.aperture
-
- @tool.setter
- def tool(self, value):
- self.aperture = value
-
- @property
- def plated(self):
- return self.tool.plated
-
- def _with_offset(self, dx, dy):
- return replace(self, x=self.x+dx, y=self.y+dy)
-
- def _rotate(self, rotation, cx=0, cy=0):
- self.x, self.y = gp.rotate_point(self.x, self.y, rotation, cx, cy)
-
- def to_primitives(self, unit=None):
- conv = self.converted(unit)
- yield from self.aperture.flash(conv.x, conv.y, unit, self.polarity_dark)
-
- def to_statements(self, gs):
- yield from gs.set_polarity(self.polarity_dark)
- yield from gs.set_aperture(self.aperture)
-
- x = gs.file_settings.write_gerber_value(self.x, self.unit)
- y = gs.file_settings.write_gerber_value(self.y, self.unit)
- yield f'X{x}Y{y}D03*'
-
- gs.update_point(self.x, self.y, unit=self.unit)
-
- def to_xnc(self, ctx):
- yield from ctx.select_tool(self.tool)
- yield from ctx.drill_mode()
-
- x = ctx.settings.write_excellon_value(self.x, self.unit)
- y = ctx.settings.write_excellon_value(self.y, self.unit)
- yield f'X{x}Y{y}'
-
- ctx.set_current_point(self.unit, self.x, self.y)
-
- def curve_length(self, unit=MM):
- return 0
-
-
-class Region(GerberObject):
- def __init__(self, outline=None, arc_centers=None, *, unit, polarity_dark):
- super().__init__(unit=unit, polarity_dark=polarity_dark)
- outline = [] if outline is None else outline
- arc_centers = [] if arc_centers is None else arc_centers
- self.poly = gp.ArcPoly(outline, arc_centers)
-
- def __len__(self):
- return len(self.poly)
-
- def __bool__(self):
- return bool(self.poly)
-
- def _with_offset(self, dx, dy):
- return Region([ (x+dx, y+dy) for x, y in self.poly.outline ],
- self.poly.arc_centers,
- polarity_dark=self.polarity_dark,
- unit=self.unit)
-
- def _rotate(self, angle, cx=0, cy=0):
- self.poly.outline = [ gp.rotate_point(x, y, angle, cx, cy) for x, y in self.poly.outline ]
- self.poly.arc_centers = [
- (arc[0], gp.rotate_point(*arc[1], angle, cx-p[0], cy-p[1])) if arc else None
- for p, arc in zip(self.poly.outline, self.poly.arc_centers) ]
-
- def append(self, obj):
- if obj.unit != self.unit:
- raise ValueError('Cannot append Polyline with "{obj.unit}" coords to Region with "{self.unit}" coords.')
- if not self.poly.outline:
- self.poly.outline.append(obj.p1)
- self.poly.outline.append(obj.p2)
-
- if isinstance(obj, Arc):
- self.poly.arc_centers.append((obj.clockwise, obj.center_relative))
- else:
- self.poly.arc_centers.append(None)
-
- def to_primitives(self, unit=None):
- self.poly.polarity_dark = self.polarity_dark # FIXME: is this the right spot to do this?
- if unit == self.unit:
- yield self.poly
-
- else:
- to = lambda value: self.unit.convert_to(unit, value)
- conv_outline = [ (to(x), to(y)) for x, y in self.poly.outline ]
- convert_entry = lambda entry: (entry[0], (to(entry[1][0]), to(entry[1][1])))
- conv_arc = [ None if entry is None else convert_entry(entry) for entry in self.poly.arc_centers ]
-
- yield gp.ArcPoly(conv_outline, conv_arc, polarity_dark=self.polarity_dark)
-
- def to_statements(self, gs):
- yield from gs.set_polarity(self.polarity_dark)
- yield 'G36*'
- # Repeat interpolation mode at start of region statement to work around gerbv bug. Without this, gerbv will
- # not display a region consisting of only a single arc.
- # TODO report gerbv issue upstream
- yield gs.interpolation_mode_statement() + '*'
-
- yield from gs.set_current_point(self.poly.outline[0], unit=self.unit)
-
- for point, arc_center in zip(self.poly.outline[1:], self.poly.arc_centers):
- if arc_center is None:
- yield from gs.set_interpolation_mode(InterpMode.LINEAR)
-
- x = gs.file_settings.write_gerber_value(point[0], self.unit)
- y = gs.file_settings.write_gerber_value(point[1], self.unit)
- yield f'X{x}Y{y}D01*'
-
- gs.update_point(*point, unit=self.unit)
-
- else:
- clockwise, (cx, cy) = arc_center
- x2, y2 = point
- yield from gs.set_interpolation_mode(InterpMode.CIRCULAR_CW if clockwise else InterpMode.CIRCULAR_CCW)
-
- x = gs.file_settings.write_gerber_value(x2, self.unit)
- y = gs.file_settings.write_gerber_value(y2, self.unit)
- # TODO are these coordinates absolute or relative now?!
- i = gs.file_settings.write_gerber_value(cx, self.unit)
- j = gs.file_settings.write_gerber_value(cy, self.unit)
- yield f'X{x}Y{y}I{i}J{j}D01*'
-
- gs.update_point(x2, y2, unit=self.unit)
-
- yield 'G37*'
-
-@dataclass
-class Line(GerberObject):
- # Line with *round* end caps.
-
- x1 : Length(float)
- y1 : Length(float)
- x2 : Length(float)
- y2 : Length(float)
- aperture : object
-
- def _with_offset(self, dx, dy):
- return replace(self, x1=self.x1+dx, y1=self.y1+dy, x2=self.x2+dx, y2=self.y2+dy)
-
- def _rotate(self, rotation, cx=0, cy=0):
- self.x1, self.y1 = gp.rotate_point(self.x1, self.y1, rotation, cx, cy)
- self.x2, self.y2 = gp.rotate_point(self.x2, self.y2, rotation, cx, cy)
-
- @property
- def p1(self):
- return self.x1, self.y1
-
- @property
- def p2(self):
- return self.x2, self.y2
-
- @property
- def end_point(self):
- return self.p2
-
- @property
- def tool(self):
- return self.aperture
-
- @tool.setter
- def tool(self, value):
- self.aperture = value
-
- @property
- def plated(self):
- return self.tool.plated
-
- def to_primitives(self, unit=None):
- conv = self.converted(unit)
- w = self.aperture.equivalent_width(unit) if self.aperture else 0.1 # for debugging
- yield gp.Line(*conv.p1, *conv.p2, w, polarity_dark=self.polarity_dark)
-
- def to_statements(self, gs):
- yield from gs.set_polarity(self.polarity_dark)
- yield from gs.set_aperture(self.aperture)
- yield from gs.set_interpolation_mode(InterpMode.LINEAR)
- yield from gs.set_current_point(self.p1, unit=self.unit)
-
- x = gs.file_settings.write_gerber_value(self.x2, self.unit)
- y = gs.file_settings.write_gerber_value(self.y2, self.unit)
- yield f'X{x}Y{y}D01*'
-
- gs.update_point(*self.p2, unit=self.unit)
-
- def to_xnc(self, ctx):
- yield from ctx.select_tool(self.tool)
- yield from ctx.route_mode(self.unit, *self.p1)
-
- x = ctx.settings.write_excellon_value(self.x2, self.unit)
- y = ctx.settings.write_excellon_value(self.y2, self.unit)
- yield f'G01X{x}Y{y}'
-
- ctx.set_current_point(self.unit, *self.p2)
-
- def curve_length(self, unit=MM):
- return self.unit.convert_to(unit, math.dist(self.p1, self.p2))
-
-
-@dataclass
-class Arc(GerberObject):
- x1 : Length(float)
- y1 : Length(float)
- x2 : Length(float)
- y2 : Length(float)
- # relative to (x1, x2)
- cx : Length(float)
- cy : Length(float)
- clockwise : bool
- aperture : object
-
- def _with_offset(self, dx, dy):
- return replace(self, x1=self.x1+dx, y1=self.y1+dy, x2=self.x2+dx, y2=self.y2+dy)
-
- def numeric_error(self, unit=None):
- conv = self.converted(unit)
- cx, cy = conv.cx + conv.x1, conv.cy + conv.y1
- r1 = math.dist((cx, cy), conv.p1)
- r2 = math.dist((cx, cy), conv.p2)
- return abs(r1 - r2)
-
- def sweep_angle(self):
- cx, cy = self.cx + self.x1, self.cy + self.y1
- x1, y1 = self.x1 - cx, self.y1 - cy
- x2, y2 = self.x2 - cx, self.y2 - cy
-
- a1, a2 = math.atan2(y1, x1), math.atan2(y2, x2)
- f = abs(a2 - a1)
- if not self.clockwise:
- if a2 > a1:
- return a2 - a1
- else:
- return 2*math.pi - abs(a2 - a1)
- else:
- if a1 > a2:
- return a1 - a2
- else:
- return 2*math.pi - abs(a1 - a2)
-
- @property
- def p1(self):
- return self.x1, self.y1
-
- @property
- def p2(self):
- return self.x2, self.y2
-
- @property
- def center(self):
- return self.cx + self.x1, self.cy + self.y1
-
- @property
- def center_relative(self):
- return self.cx, self.cy
-
- @property
- def end_point(self):
- return self.p2
-
- @property
- def tool(self):
- return self.aperture
-
- @tool.setter
- def tool(self, value):
- self.aperture = value
-
- @property
- def plated(self):
- return self.tool.plated
-
- def _rotate(self, rotation, cx=0, cy=0):
- # rotate center first since we need old x1, y1 here
- new_cx, new_cy = gp.rotate_point(*self.center, rotation, cx, cy)
- self.x1, self.y1 = gp.rotate_point(self.x1, self.y1, rotation, cx, cy)
- self.x2, self.y2 = gp.rotate_point(self.x2, self.y2, rotation, cx, cy)
- self.cx, self.cy = new_cx - self.x1, new_cy - self.y1
-
- def to_primitives(self, unit=None):
- conv = self.converted(unit)
- w = self.aperture.equivalent_width(unit) if self.aperture else 0.1 # for debugging
- yield gp.Arc(x1=conv.x1, y1=conv.y1,
- x2=conv.x2, y2=conv.y2,
- cx=conv.cx, cy=conv.cy,
- clockwise=self.clockwise,
- width=w,
- polarity_dark=self.polarity_dark)
-
- def to_statements(self, gs):
- yield from gs.set_polarity(self.polarity_dark)
- yield from gs.set_aperture(self.aperture)
- # TODO is the following line correct?
- yield from gs.set_interpolation_mode(InterpMode.CIRCULAR_CW if self.clockwise else InterpMode.CIRCULAR_CCW)
- yield from gs.set_current_point(self.p1, unit=self.unit)
-
- x = gs.file_settings.write_gerber_value(self.x2, self.unit)
- y = gs.file_settings.write_gerber_value(self.y2, self.unit)
- i = gs.file_settings.write_gerber_value(self.cx, self.unit)
- j = gs.file_settings.write_gerber_value(self.cy, self.unit)
- yield f'X{x}Y{y}I{i}J{j}D01*'
-
- gs.update_point(*self.p2, unit=self.unit)
-
- def to_xnc(self, ctx):
- yield from ctx.select_tool(self.tool)
- yield from ctx.route_mode(self.unit, self.x1, self.y1)
- code = 'G02' if self.clockwise else 'G03'
-
- x = ctx.settings.write_excellon_value(self.x2, self.unit)
- y = ctx.settings.write_excellon_value(self.y2, self.unit)
- i = ctx.settings.write_excellon_value(self.cx, self.unit)
- j = ctx.settings.write_excellon_value(self.cy, self.unit)
- yield f'{code}X{x}Y{y}I{i}J{j}'
-
- ctx.set_current_point(self.unit, self.x2, self.y2)
-
- def curve_length(self, unit=MM):
- return self.unit.convert_to(unit, math.hypot(self.cx, self.cy) * self.sweep_angle)
-
-