def generate_previews(fab_output_path, preview_output_path):
def read(pattern):
files = glob(os.path.join(fab_output_path, pattern))
if not files:
print "WARNING: Nothing found matching %s" % pattern
return None
return load_layer(files[0])
def save(name):
path = os.path.join(preview_output_path, "%s.png" % name)
print "Saving preview to %s" % path
ctx.dump(path)
def render(pattern, **kw):
layer = read(pattern)
if layer is None:
print "Not rendering %s" % pattern
return
ctx.render_layer(layer, **kw)
# Rendering context
ctx = GerberCairoContext(scale=10)
ctx.color = (80. / 255, 80 / 255., 154 / 255.)
ctx.drill_color = ctx.color
# Edges
render("*.gm1")
# Copper
render("*.gtl")
# Mask
render("*.gts")
# Silk
render("*.gto",
settings=RenderSettings(color=theme.COLORS['white'], alpha=0.85))
# Drills
render("*.drl")
save("pcb-front")
ctx.clear()
# Edges
render("*.gm1")
# Copper
render("*.gbl")
# Mask
render("*.gbs")
# Silk
render("*.gbo",
settings=RenderSettings(color=theme.COLORS['white'], alpha=0.85))
# Drills
render("*.drl")
save("pcb-back")
# The default style can be overridden by passing a RenderSettings instance to # render_layer(). # First, create a settings object: our_settings = RenderSettings(color=theme.COLORS['white'], alpha=0.85) # Draw the silkscreen layer, and specify the rendering settings to use ctx.render_layer(silk, settings=our_settings) # Draw the drill layer ctx.render_layer(drill) # Write output to png file ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_example.png')) # Load the bottom layers copper = load_layer(os.path.join(GERBER_FOLDER, 'bottom_copper.GBL')) mask = load_layer(os.path.join(GERBER_FOLDER, 'bottom_mask.GBS')) # Clear the drawing ctx.clear() # Render bottom layers ctx.render_layer(copper) ctx.render_layer(mask) ctx.render_layer(drill) # Write png file ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_bottom.png'))
ctx.render_layer(mask) # The default style can be overridden by passing a RenderSettings instance to # render_layer(). # First, create a settings object: our_settings = RenderSettings(color=theme.COLORS['white'], alpha=0.85) # Draw the silkscreen layer, and specify the rendering settings to use ctx.render_layer(silk, settings=our_settings) # Draw the drill layer ctx.render_layer(drill) # Write output to png file ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_example.png')) # Load the bottom layers copper = load_layer(os.path.join(GERBER_FOLDER, 'bottom_copper.GBL')) mask = load_layer(os.path.join(GERBER_FOLDER, 'bottom_mask.GBS')) # Clear the drawing ctx.clear() # Render bottom layers ctx.render_layer(copper) ctx.render_layer(mask) ctx.render_layer(drill) # Write png file ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_bottom.png'))