From 95de179bb08157c3f6716b0645ec00794acc83e6 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Mon, 27 Oct 2014 08:29:43 -0400 Subject: Fix rendering of 0-width lines (e.g. board outlines) in SVG and Cairo renderer --- gerber/render/svgwrite_backend.py | 63 ++++----------------------------------- 1 file changed, 6 insertions(+), 57 deletions(-) (limited to 'gerber/render/svgwrite_backend.py') diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py index 2df87b3..aeb680c 100644 --- a/gerber/render/svgwrite_backend.py +++ b/gerber/render/svgwrite_backend.py @@ -20,7 +20,7 @@ from .render import GerberContext from operator import mul import svgwrite -SCALE = 300 +SCALE = 400. def svg_color(color): @@ -56,9 +56,10 @@ class GerberSvgContext(GerberContext): def _render_line(self, line, color): start = map(mul, line.start, self.scale) end = map(mul, line.end, self.scale) + width = line.width if line.width != 0 else 0.001 aline = self.dwg.line(start=start, end=end, stroke=svg_color(color), - stroke_width=SCALE * line.width, + stroke_width=SCALE * width, stroke_linecap='round') aline.stroke(opacity=self.alpha) self.dwg.add(aline) @@ -91,62 +92,10 @@ class GerberSvgContext(GerberContext): self.dwg.add(arect) def _render_obround(self, obround, color): - x, y = tuple(map(mul, obround.position, self.scale)) - xsize, ysize = tuple(map(mul, (obround.width, obround.height), - self.scale)) - xscale, yscale = self.scale - - # Corner case... - if xsize == ysize: - circle = self.dwg.circle(center=(x, y), - r = (xsize / 2.0), - fill=svg_color(color)) - circle.fill(opacity=self.alpha) - self.dwg.add(circle) - - # Horizontal obround - elif xsize > ysize: - rectx = xsize - ysize - recty = ysize - c1 = self.dwg.circle(center=(x - (rectx / 2.0), y), - r = (ysize / 2.0), - fill=svg_color(color)) - - c2 = self.dwg.circle(center=(x + (rectx / 2.0), y), - r = (ysize / 2.0), - fill=svg_color(color)) - - rect = self.dwg.rect(insert=(x, y), - size=(xsize, ysize), - fill=svg_color(color)) - c1.fill(opacity=self.alpha) - c2.fill(opacity=self.alpha) - rect.fill(opacity=self.alpha) - self.dwg.add(c1) - self.dwg.add(c2) - self.dwg.add(rect) + self._render_circle(obround.subshapes['circle1'], color) + self._render_circle(obround.subshapes['circle2'], color) + self._render_rectangle(obround.subshapes['rectangle'], color) - # Vertical obround - else: - rectx = xsize - recty = ysize - xsize - c1 = self.dwg.circle(center=(x, y - (recty / 2.)), - r = (xsize / 2.), - fill=svg_color(color)) - - c2 = self.dwg.circle(center=(x, y + (recty / 2.)), - r = (xsize / 2.), - fill=svg_color(color)) - - rect = self.dwg.rect(insert=(x, y), - size=(xsize, ysize), - fill=svg_color(color)) - c1.fill(opacity=self.alpha) - c2.fill(opacity=self.alpha) - rect.fill(opacity=self.alpha) - self.dwg.add(c1) - self.dwg.add(c2) - self.dwg.add(rect) def _render_drill(self, circle, color): center = map(mul, circle.position, self.scale) -- cgit