diff options
Diffstat (limited to 'gerber')
| -rw-r--r-- | gerber/__main__.py | 4 | ||||
| -rw-r--r-- | gerber/render/__init__.py | 1 | ||||
| -rw-r--r-- | gerber/render/svgwrite_backend.py | 130 |
3 files changed, 2 insertions, 133 deletions
diff --git a/gerber/__main__.py b/gerber/__main__.py index 195973b..6643b54 100644 --- a/gerber/__main__.py +++ b/gerber/__main__.py @@ -17,14 +17,14 @@ if __name__ == '__main__': from gerber.common import read - from gerber.render import GerberSvgContext + from gerber.render import GerberCairoContext import sys if len(sys.argv) < 2: sys.stderr.write("Usage: python -m gerber <filename> <filename>...\n") sys.exit(1) - ctx = GerberSvgContext() + ctx = GerberCairoContext() ctx.alpha = 0.95 for filename in sys.argv[1:]: print("parsing %s" % filename) diff --git a/gerber/render/__init__.py b/gerber/render/__init__.py index 1e60792..f76d28f 100644 --- a/gerber/render/__init__.py +++ b/gerber/render/__init__.py @@ -24,5 +24,4 @@ SVG is the only supported format. """ -from .svgwrite_backend import GerberSvgContext from .cairo_backend import GerberCairoContext diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py deleted file mode 100644 index f8136e0..0000000 --- a/gerber/render/svgwrite_backend.py +++ /dev/null @@ -1,130 +0,0 @@ -#! /usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be> -# Based on render_svg.py by Paulo Henrique Silva <ph.silva@gmail.com> - -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at - -# http://www.apache.org/licenses/LICENSE-2.0 - -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from .render import GerberContext -from operator import mul -import math -import svgwrite - -from ..primitives import * - -SCALE = 400. - - -def svg_color(color): - color = tuple([int(ch * 255) for ch in color]) - return 'rgb(%d, %d, %d)' % color - - -class GerberSvgContext(GerberContext): - def __init__(self): - GerberContext.__init__(self) - self.scale = (SCALE, -SCALE) - self.dwg = svgwrite.Drawing() - self.background = False - - def dump(self, filename): - self.dwg.saveas(filename) - - def set_bounds(self, bounds): - xbounds, ybounds = bounds - size = (SCALE * (xbounds[1] - xbounds[0]), - SCALE * (ybounds[1] - ybounds[0])) - if not self.background: - vbox = '%f, %f, %f, %f' % (SCALE * xbounds[0], -SCALE * ybounds[1], - size[0], size[1]) - self.dwg = svgwrite.Drawing(viewBox=vbox) - rect = self.dwg.rect(insert=(SCALE * xbounds[0], - -SCALE * ybounds[1]), - size=size, - fill=svg_color(self.background_color)) - self.dwg.add(rect) - self.background = True - - def _render_line(self, line, color): - start = map(mul, line.start, self.scale) - end = map(mul, line.end, self.scale) - 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): - points = [tuple(map(mul, point, self.scale)) for point in line.vertices] - path = self.dwg.path(d='M %f, %f' % points[0], - fill=svg_color(color), - stroke='none') - path.fill(opacity=self.alpha) - for point in points[1:]: - path.push('L %f, %f' % point) - self.dwg.add(path) - - def _render_arc(self, arc, color): - start = tuple(map(mul, arc.start, self.scale)) - end = tuple(map(mul, arc.end, self.scale)) - radius = SCALE * arc.radius - width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001 - arc_path = self.dwg.path(d='M %f, %f' % start, - stroke=svg_color(color), - stroke_width=SCALE * width) - large_arc = arc.sweep_angle >= 2 * math.pi - direction = '-' if arc.direction == 'clockwise' else '+' - arc_path.push_arc(end, 0, radius, large_arc, direction, True) - self.dwg.add(arc_path) - - def _render_region(self, region, color): - points = [tuple(map(mul, point, self.scale)) for point in region.points] - region_path = self.dwg.path(d='M %f, %f' % points[0], - fill=svg_color(color), - stroke='none') - region_path.fill(opacity=self.alpha) - for point in points[1:]: - region_path.push('L %f, %f' % point) - self.dwg.add(region_path) - - def _render_circle(self, circle, color): - center = map(mul, circle.position, self.scale) - acircle = self.dwg.circle(center=center, - r = SCALE * circle.radius, - fill=svg_color(color)) - acircle.fill(opacity=self.alpha) - self.dwg.add(acircle) - - def _render_rectangle(self, rectangle, color): - center = tuple(map(mul, rectangle.position, self.scale)) - size = tuple(map(mul, (rectangle.width, rectangle.height), map(abs, self.scale))) - insert = center[0] - size[0] / 2., center[1] - size[1] / 2. - arect = self.dwg.rect(insert=insert, size=size, - fill=svg_color(color)) - arect.fill(opacity=self.alpha) - self.dwg.add(arect) - - def _render_obround(self, obround, color): - self._render_circle(obround.subshapes['circle1'], color) - self._render_circle(obround.subshapes['circle2'], color) - self._render_rectangle(obround.subshapes['rectangle'], color) - - - def _render_drill(self, circle, color): - center = map(mul, circle.position, self.scale) - hit = self.dwg.circle(center=center, r=SCALE * circle.radius, - fill=svg_color(color)) - self.dwg.add(hit) |