From 96bdd0f59dbda9b755b0eb28eb44cb9a6eae1410 Mon Sep 17 00:00:00 2001 From: Garret Fick Date: Sun, 31 Jan 2016 15:24:57 +0800 Subject: Keep track of quadrant mode so we can draw full circles --- gerber/primitives.py | 3 ++- gerber/render/cairo_backend.py | 3 +++ gerber/rs274x.py | 6 +++--- 3 files changed, 8 insertions(+), 4 deletions(-) (limited to 'gerber') diff --git a/gerber/primitives.py b/gerber/primitives.py index 81c5837..944e34a 100644 --- a/gerber/primitives.py +++ b/gerber/primitives.py @@ -221,13 +221,14 @@ class Line(Primitive): class Arc(Primitive): """ """ - def __init__(self, start, end, center, direction, aperture, **kwargs): + def __init__(self, start, end, center, direction, aperture, quadrant_mode, **kwargs): super(Arc, self).__init__(**kwargs) self.start = start self.end = end self.center = center self.direction = direction self.aperture = aperture + self.quadrant_mode = quadrant_mode self._to_convert = ['start', 'end', 'center', 'aperture'] @property diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index fbc4271..7be7e6a 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -76,6 +76,9 @@ class GerberCairoContext(GerberContext): radius = self.scale[0] * arc.radius angle1 = arc.start_angle angle2 = arc.end_angle + if angle1 == angle2 and arc.quadrant_mode != 'single-quadrant': + # Make the angles slightly different otherwise Cario will draw nothing + angle2 -= 0.000000001 if isinstance(arc.aperture, Circle): width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001 else: diff --git a/gerber/rs274x.py b/gerber/rs274x.py index 12400a1..bac5114 100644 --- a/gerber/rs274x.py +++ b/gerber/rs274x.py @@ -496,12 +496,12 @@ class GerberParser(object): j = 0 if stmt.j is None else stmt.j center = (start[0] + i, start[1] + j) if self.region_mode == 'off': - self.primitives.append(Arc(start, end, center, self.direction, self.apertures[self.aperture], level_polarity=self.level_polarity, units=self.settings.units)) + self.primitives.append(Arc(start, end, center, self.direction, self.apertures[self.aperture], quadrant_mode=self.quadrant_mode, level_polarity=self.level_polarity, units=self.settings.units)) else: if self.current_region is None: - self.current_region = [Arc(start, end, center, self.direction, self.apertures.get(self.aperture, Circle((0,0), 0)), level_polarity=self.level_polarity, units=self.settings.units),] + self.current_region = [Arc(start, end, center, self.direction, self.apertures.get(self.aperture, Circle((0,0), 0)), quadrant_mode=self.quadrant_mode, level_polarity=self.level_polarity, units=self.settings.units),] else: - self.current_region.append(Arc(start, end, center, self.direction, self.apertures.get(self.aperture, Circle((0,0), 0)), level_polarity=self.level_polarity, units=self.settings.units)) + self.current_region.append(Arc(start, end, center, self.direction, self.apertures.get(self.aperture, Circle((0,0), 0)), quadrant_mode=self.quadrant_mode, level_polarity=self.level_polarity, units=self.settings.units)) elif self.op == "D02" or self.op == "D2": pass -- cgit