diff options
Diffstat (limited to 'gerbonara/cad/kicad/base_types.py')
| -rw-r--r-- | gerbonara/cad/kicad/base_types.py | 151 |
1 files changed, 144 insertions, 7 deletions
diff --git a/gerbonara/cad/kicad/base_types.py b/gerbonara/cad/kicad/base_types.py index f763585..263f19d 100644 --- a/gerbonara/cad/kicad/base_types.py +++ b/gerbonara/cad/kicad/base_types.py @@ -1,14 +1,17 @@ -from .sexp import * -from .sexp_mapper import * +import string import time - from dataclasses import field, replace import math import uuid from contextlib import contextmanager from itertools import cycle -from ...utils import rotate_point +from .sexp import * +from .sexp_mapper import * +from ...newstroke import Newstroke +from ...utils import rotate_point, Tag, MM +from ... import apertures as ap +from ... import graphic_objects as go LAYER_MAP_K2G = { @@ -46,7 +49,16 @@ class Color: r: int = None g: int = None b: int = None - a: int = None + a: float = None + + def __bool__(self): + return self.r or self.b or self.g or not math.isclose(self.a, 0, abs_tol=1e-3) + + def svg(self, default=None): + if default and not self: + return default + + return f'rgba({self.r} {self.g} {self.b} {self.a})' @sexp_type('stroke') @@ -54,7 +66,32 @@ class Stroke: width: Named(float) = 0.254 type: Named(AtomChoice(Atom.dash, Atom.dot, Atom.dash_dot_dot, Atom.dash_dot, Atom.default, Atom.solid)) = Atom.default color: Color = None + + def svg_color(self, default=None): + if self.color: + return self.color.svg(default) + else: + return default + def svg_attrs(self, default_color=None): + w = self.width + if not (color := self.color or default_color): + return {} + + attrs = {'stroke': color, + 'stroke_linecap': 'round', + 'stroke_widtj': self.width} + + if self.type not in (Atom.default, Atom.solid): + attrs['stroke_dasharray'] = { + Atom.dash: f'{w*5:.3f},{w*5:.3f}', + Atom.dot: f'{w*2:.3f},{w*2:.3f}', + Atom.dash_dot: f'{w*5:.3f},{w*3:.3f}{w:.3f},{w*3:.3f}', + Atom.dash_dot_dot: f'{w*5:.3f},{w*3:.3f}{w:.3f},{w*3:.3f}{w:.3f},{w*3:.3f}', + }[self.type] + + return attrs + class Dasher: def __init__(self, obj): @@ -140,6 +177,19 @@ class Dasher: if stroked: yield lx, ly, x2, y2 + def svg(self, **kwargs): + if 'fill' not in kwargs: + kwargs['fill'] = 'none' + if 'stroke' not in kwargs: + kwargs['stroke'] = 'black' + if 'stroke_width' not in kwargs: + kwargs['stroke_width'] = 0.254 + if 'stroke_linecap' not in kwargs: + kwargs['stroke_linecap'] = 'round' + + d = ' '.join(f'M {x1:.3f} {y1:.3f} L {x2:.3f} {y2:.3f}' for x1, y1, x2, y2 in self) + return Tag('path', d=d, **kwargs) + @sexp_type('xy') class XYCoord: @@ -158,7 +208,7 @@ class XYCoord: else: self.x, self.y = x, y - def isclose(self, other, tol=1e-6): + def isclose(self, other, tol=1e-3): return math.isclose(self.x, other.x, tol) and math.isclose(self.y, other.y, tol) def with_offset(self, x=0, y=0): @@ -168,6 +218,7 @@ class XYCoord: x, y = rotate_point(self.x, self.y, angle, cx, cy) return replace(self, x=x, y=y) + @sexp_type('pts') class PointList: xy : List(XYCoord) = field(default_factory=list) @@ -226,6 +277,83 @@ class TextEffect: hide: Flag() = False justify: OmitDefault(Justify) = field(default_factory=Justify) +class TextMixin: + @property + def size(self): + return self.effects.font.size.y or 1.27 + + @size.setter + def size(self, value): + self.effects.font.size.x = self.effects.font.size.y = value + + @property + def line_width(self): + return self.effects.font.thickness or 0.254 + + @line_width.setter + def line_width(self, value): + self.effects.font.thickness = value + + def bounding_box(self, default=None): + if not self.text or not self.text.strip(): + return default + + lines = list(self.render()) + x1 = min(min(l.x1, l.x2) for l in lines) + y1 = min(min(l.y1, l.y2) for l in lines) + x2 = max(max(l.x1, l.x2) for l in lines) + y2 = max(max(l.y1, l.y2) for l in lines) + r = self.effects.font.thickness/2 + return (x1-r, y1-r), (x2+r, y2+r) + + def svg_path_data(self): + for line in self.render(): + yield f'M {line.x1:.3f} {line.y1:.3f} L {line.x2:.3f} {line.y2:.3f}' + + def to_svg(self, color='black'): + d = ' '.join(self.svg_path_data()) + yield Tag('path', d=d, fill='none', stroke=color, stroke_width=f'{self.line_width:.3f}') + + def render(self, variables={}): + if not self.effects or self.effects.hide or not self.effects.font: + return + + font = Newstroke.load() + text = string.Template(self.text).safe_substitute(variables) + strokes = list(font.render(text, size=self.size)) + min_x = min(x for st in strokes for x, y in st) + min_y = min(y for st in strokes for x, y in st) + max_x = max(x for st in strokes for x, y in st) + max_y = max(y for st in strokes for x, y in st) + w = max_x - min_x + h = max_y - min_y + + offx = -min_x + { + None: -w/2, + Atom.right: -w, + Atom.left: 0 + }[self.effects.justify.h if self.effects.justify else None] + + offy = { + None: self.size/2, + Atom.top: self.size, + Atom.bottom: 0 + }[self.effects.justify.v if self.effects.justify else None] + + aperture = ap.CircleAperture(self.line_width or 0.2, unit=MM) + for stroke in strokes: + out = [] + + for x, y in stroke: + x, y = x+offx, y+offy + x, y = rotate_point(x, y, math.radians(self.at.rotation or 0)) + x, y = x+self.at.x, y+self.at.y + out.append((x, y)) + + for p1, p2 in zip(out[:-1], out[1:]): + yield go.Line(*p1, *p2, aperture=aperture, unit=MM) + + @sexp_type('tstamp') class Timestamp: @@ -293,7 +421,7 @@ class Property: @sexp_type('property') -class DrawnProperty: +class DrawnProperty(TextMixin): key: str = None value: str = None id: Named(int) = None @@ -303,6 +431,15 @@ class DrawnProperty: tstamp: Timestamp = None effects: TextEffect = field(default_factory=TextEffect) + # Alias value for text mixin + @property + def text(self): + return self.value + + @text.setter + def text(self, value): + self.value = value + if __name__ == '__main__': class Foo: |