From c3ca4f95bd59f69d45e582a4149327f57a360760 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 30 Jan 2022 20:11:38 +0100 Subject: Rename gerbonara/gerber package to just gerbonara --- gerbonara/gerber/graphic_objects.py | 382 ------------------------------------ 1 file changed, 382 deletions(-) delete mode 100644 gerbonara/gerber/graphic_objects.py (limited to 'gerbonara/gerber/graphic_objects.py') 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) - - -- cgit