diff options
Diffstat (limited to 'gerber/render/svgwrite_backend.py')
| -rw-r--r-- | gerber/render/svgwrite_backend.py | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py index 7570c84..78961da 100644 --- a/gerber/render/svgwrite_backend.py +++ b/gerber/render/svgwrite_backend.py @@ -117,17 +117,25 @@ class GerberSvgContext(GerberContext): self.apertures = {} self.dwg = svgwrite.Drawing() + self.dwg.transform = 'scale 1 -1' self.background = False + self.region_path = None def set_bounds(self, bounds): xbounds, ybounds = bounds size = (SCALE * (xbounds[1] - xbounds[0]), SCALE * (ybounds[1] - ybounds[0])) if not self.background: + self.dwg = svgwrite.Drawing(viewBox='%f, %f, %f, %f' % (SCALE*xbounds[0], -SCALE*ybounds[1],size[0], size[1])) self.dwg.add(self.dwg.rect(insert=(SCALE * xbounds[0], -SCALE * ybounds[1]), - size=size, fill="black")) + size=size, fill=convert_color(self.background_color))) self.background = True + def set_alpha(self, alpha): + super(GerberSvgContext, self).set_alpha(alpha) + import warnings + warnings.warn('SVG output does not support transparency') + def define_aperture(self, d, shape, modifiers): aperture = None if shape == 'C': @@ -173,7 +181,8 @@ class GerberSvgContext(GerberContext): ap = self.apertures.get(self.aperture, None) if ap is None: return - color = (convert_color(self.color) if self.level_polarity == 'dark' + + color = (convert_color(self.color) if self.level_polarity == 'dark' else convert_color(self.background_color)) for shape in ap.flash(self, x, y, color): self.dwg.add(shape) @@ -185,5 +194,21 @@ class GerberSvgContext(GerberContext): fill=convert_color(self.drill_color)) self.dwg.add(hit) + def region_contour(self, x, y): + super(GerberSvgContext, self).region_contour(x, y) + x, y = self.resolve(x, y) + color = (convert_color(self.color) if self.level_polarity == 'dark' + else convert_color(self.background_color)) + if self.region_path is None: + self.region_path = self.dwg.path(d = 'M %f, %f' % + (self.x*SCALE, -self.y*SCALE), + fill = color, stroke = 'none') + self.region_path.push('L %f, %f' % (x*SCALE, -y*SCALE)) + self.move(x, y, resolve=False) + + def fill_region(self): + self.dwg.add(self.region_path) + self.region_path = None + def dump(self, filename): self.dwg.saveas(filename) |