diff options
Diffstat (limited to 'gerber/render/svgwrite_backend.py')
| -rw-r--r-- | gerber/render/svgwrite_backend.py | 72 |
1 files changed, 44 insertions, 28 deletions
diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py index 78961da..15d7bd3 100644 --- a/gerber/render/svgwrite_backend.py +++ b/gerber/render/svgwrite_backend.py @@ -28,49 +28,59 @@ def convert_color(color): return 'rgb(%d, %d, %d)' % color class SvgCircle(Circle): - def line(self, ctx, x, y, color='rgb(184, 115, 51)'): - return ctx.dwg.line(start=(ctx.x * SCALE, -ctx.y * SCALE), - end=(x * SCALE, -y * SCALE), - stroke=color, - stroke_width=SCALE * self.diameter, - stroke_linecap="round") - - def arc(self, ctx, x, y, i, j, direction, color='rgb(184, 115, 51)'): + def line(self, ctx, x, y, color='rgb(184, 115, 51)', alpha=1.0): + aline = ctx.dwg.line(start=(ctx.x * SCALE, -ctx.y * SCALE), + end=(x * SCALE, -y * SCALE), + stroke=color, + stroke_width=SCALE * self.diameter, + stroke_linecap="round") + aline.stroke(opacity=alpha) + return aline + + def arc(self, ctx, x, y, i, j, direction, color='rgb(184, 115, 51)', alpha=1.0): pass - def flash(self, ctx, x, y, color='rgb(184, 115, 51)'): - return [ctx.dwg.circle(center=(x * SCALE, -y * SCALE), + def flash(self, ctx, x, y, color='rgb(184, 115, 51)', alpha=1.0): + circle = ctx.dwg.circle(center=(x * SCALE, -y * SCALE), r = SCALE * (self.diameter / 2.0), - fill=color), ] + fill=color) + circle.fill(opacity=alpha) + return [circle, ] class SvgRect(Rect): - def line(self, ctx, x, y, color='rgb(184, 115, 51)'): - return ctx.dwg.line(start=(ctx.x * SCALE, -ctx.y * SCALE), + def line(self, ctx, x, y, color='rgb(184, 115, 51)', alpha=1.0): + aline = ctx.dwg.line(start=(ctx.x * SCALE, -ctx.y * SCALE), end=(x * SCALE, -y * SCALE), stroke=color, stroke_width=2, stroke_linecap="butt") + aline.stroke(opacity=alpha) + return aline - def flash(self, ctx, x, y, color='rgb(184, 115, 51)'): + def flash(self, ctx, x, y, color='rgb(184, 115, 51)', alpha=1.0): xsize, ysize = self.size - return [ctx.dwg.rect(insert=(SCALE * (x - (xsize / 2)), + rectangle = ctx.dwg.rect(insert=(SCALE * (x - (xsize / 2)), -SCALE * (y + (ysize / 2))), size=(SCALE * xsize, SCALE * ysize), - fill=color), ] + fill=color) + rectangle.fill(opacity=alpha) + return [rectangle, ] class SvgObround(Obround): - def line(self, ctx, x, y, color='rgb(184, 115, 51)'): + def line(self, ctx, x, y, color='rgb(184, 115, 51)', alpha=1.0): pass - def flash(self, ctx, x, y, color='rgb(184, 115, 51)'): + def flash(self, ctx, x, y, color='rgb(184, 115, 51)', alpha=1.0): xsize, ysize = self.size # horizontal obround if xsize == ysize: - return [ctx.dwg.circle(center=(x * SCALE, -y * SCALE), + circle = ctx.dwg.circle(center=(x * SCALE, -y * SCALE), r = SCALE * (x / 2.0), - fill=color), ] + fill=color) + circle.fill(opacity=alpha) + return [circle, ] if xsize > ysize: rectx = xsize - ysize recty = ysize @@ -88,6 +98,9 @@ class SvgObround(Obround): -SCALE * (y + (ysize / 2.))), size=(SCALE * xsize, SCALE * ysize), fill=color) + lcircle.fill(opacity=alpha) + rcircle.fill(opacity=alpha) + rect.fill(opacity=alpha) return [lcircle, rcircle, rect, ] # Vertical obround @@ -108,6 +121,9 @@ class SvgObround(Obround): -SCALE * (y + (ysize / 2.))), size=(SCALE * xsize, SCALE * ysize), fill=color) + lcircle.fill(opacity=alpha) + ucircle.fill(opacity=alpha) + rect.fill(opacity=alpha) return [lcircle, ucircle, rect, ] @@ -131,11 +147,6 @@ class GerberSvgContext(GerberContext): 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': @@ -162,7 +173,8 @@ class GerberSvgContext(GerberContext): return color = (convert_color(self.color) if self.level_polarity == 'dark' else convert_color(self.background_color)) - self.dwg.add(ap.line(self, x, y, color)) + alpha = self.alpha if self.level_polarity == 'dark' else 1.0 + self.dwg.add(ap.line(self, x, y, color, alpha)) self.move(x, y, resolve=False) def arc(self, x, y, i, j): @@ -172,7 +184,7 @@ class GerberSvgContext(GerberContext): if ap is None: return #self.dwg.add(ap.arc(self, x, y, i, j, self.direction, - # convert_color(self.color))) + # convert_color(self.color), self.alpha)) self.move(x, y, resolve=False) def flash(self, x, y): @@ -184,7 +196,8 @@ class GerberSvgContext(GerberContext): 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): + alpha = self.alpha if self.level_polarity == 'dark' else 1.0 + for shape in ap.flash(self, x, y, color, alpha): self.dwg.add(shape) self.move(x, y, resolve=False) @@ -192,6 +205,7 @@ class GerberSvgContext(GerberContext): hit = self.dwg.circle(center=(x*SCALE, -y*SCALE), r=SCALE*(diameter/2.0), fill=convert_color(self.drill_color)) + #hit.fill(opacity=self.alpha) self.dwg.add(hit) def region_contour(self, x, y): @@ -199,10 +213,12 @@ class GerberSvgContext(GerberContext): x, y = self.resolve(x, y) color = (convert_color(self.color) if self.level_polarity == 'dark' else convert_color(self.background_color)) + alpha = self.alpha if self.level_polarity == 'dark' else 1.0 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.fill(opacity=alpha) self.region_path.push('L %f, %f' % (x*SCALE, -y*SCALE)) self.move(x, y, resolve=False) |