From 8f69c1dfa281b6486c8fce16c1d58acef70c7ae7 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Thu, 12 Feb 2015 11:28:50 -0500 Subject: Update line primitive to take aperture parameter This fixes the exception referenced in #12. Still need to add rendering code for rectangle aperture lines and arcs. Rectangle strokes will be drawn as polygons by the rendering backends. --- gerber/render/cairo_backend.py | 20 +++++++++++++------- gerber/render/svgwrite_backend.py | 20 +++++++++++++------- 2 files changed, 26 insertions(+), 14 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index 125a125..c1df87a 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -20,6 +20,8 @@ from operator import mul import cairocffi as cairo import math +from ..primitives import * + SCALE = 400. @@ -48,13 +50,17 @@ class GerberCairoContext(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 - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_line_width(width * SCALE) - self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) - self.ctx.move_to(*start) - self.ctx.line_to(*end) - self.ctx.stroke() + if isinstance(line.aperture, Circle): + width = line.aperture.diameter if line.aperture.diameter != 0 else 0.001 + self.ctx.set_source_rgba(*color, alpha=self.alpha) + self.ctx.set_line_width(width * SCALE) + self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) + self.ctx.move_to(*start) + self.ctx.line_to(*end) + self.ctx.stroke() + elif isinstance(line.aperture, rectangle): + # TODO: Render rectangle strokes as a polygon... + pass def _render_arc(self, arc, color): center = map(mul, arc.center, self.scale) diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py index 27783d6..279d90f 100644 --- a/gerber/render/svgwrite_backend.py +++ b/gerber/render/svgwrite_backend.py @@ -21,6 +21,8 @@ from operator import mul import math import svgwrite +from ..primitives import * + SCALE = 400. @@ -57,13 +59,17 @@ 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 * width, - stroke_linecap='round') - aline.stroke(opacity=self.alpha) - self.dwg.add(aline) + if isinstance(line.aperture, Circle): + width = line.aperture.diameter if line.aperture.diameter != 0 else 0.001 + aline = self.dwg.line(start=start, end=end, + stroke=svg_color(color), + stroke_width=SCALE * width, + stroke_linecap='round') + aline.stroke(opacity=self.alpha) + self.dwg.add(aline) + elif isinstance(line.aperture, Rectangle): + # TODO: Render rectangle strokes as a polygon... + pass def _render_arc(self, arc, color): start = tuple(map(mul, arc.start, self.scale)) -- cgit