def place_path_shape(cfg, shape, layer, layer_name, mirror=False):
"""
Places a dict path shape definition in the specified layer
"""
sig_dig = cfg['pcbmode']['significant_digits']
path = shape.get('value')
rotation = shape.get('rotate') or 0
location = shape.get('location')
scale = shape.get('scale') or 1
style = shape.get('style')
stroke_width = shape.get('stroke_width')
gerber_lp = (shape.get('gerber_lp') or
shape.get('gerber-lp'))
translate = 'translate(' + str(round(location[0], sig_dig)) + ' ' + str(round(-location[1], sig_dig)) + ')'
transform = translate
# convert path to relative commands
path = svg.absolute_to_relative_path(path)
# get a path having an origin at the center of the shape
# defined by the path
d_width, d_height, path = svg.transform_path(path, True, scale, rotation, Point())
if mirror is True:
path = svg.mirror_path_over_axis(path, 'x', 0)
subelement = et.SubElement(layer,
'path',
transform=transform,
d=path)
if gerber_lp is not None:
subelement.set('{'+config.cfg['ns']['pcbmode']+'}gerber-lp', gerber_lp)
# add the right style
if style is not None:
if style == 'outline':
style = cfg['layout_style'][layer_name].get('outline')
# if there's a stroke-width definition, then override the default
if stroke_width is not None:
style['stroke-width'] = str(stroke_width)
style = utils.dict_to_style(style)
elif style == 'fill':
style = utils.dict_to_style(cfg['layout_style'][layer_name].get('fill'))
else:
print "ERROR: unrecognised style"
else:
# default to outline
style = utils.dict_to_style(cfg['layout_style'][layer_name].get('outline'))
if style is not None:
subelement.set('style', style)
return
def place_text(cfg, text_element, layer, layer_name, mirror=False, additional_rotate=0):
"""
Places a dict text element in the specified layer
"""
sig_dig = cfg['pcbmode']['significant_digits']
text_list = text_element.get('value')
# Check if text is a string. Text fields used to be only a single line
# are not a list of lines. So if the input is a string, we need to convert
# into a single item list.
# TODO: check if this can be removed after all designs have text input as a list
if isinstance(text_list, basestring):
text_list = [text_list]
font = text_element.get('font')
scale = text_element.get('scale') or text_element.get('scale') or 0.0009
rotate = text_element.get('rotate') or 0
rotate += additional_rotate
location = utils.to_Point(text_element.get('location') or [0, 0])
offset = utils.to_Point(text_element.get('offset') or [0, 0])
location += offset
if mirror is True:
location.x = -location.x
add_space = text_element.get('additional_space_between_glyphs') or 0
style = text_element.get('style')
gerber_lp = (text_element.get('gerber-lp') or
text_element.get('gerber_lp') or '')
# create a group for the entire string
string_group = et.SubElement(layer, 'g')
# add the right style
if style is not None:
if style == 'outline':
style = utils.dict_to_style(cfg['layout_style'][layer_name].get('outline'))
elif style == 'fill':
style = utils.dict_to_style(cfg['layout_style'][layer_name].get('fill'))
else:
print "ERROR: unrecognised style '%s' for text element" % style
else:
# default to fill
style = utils.dict_to_style(cfg['layout_style'][layer_name].get('fill'))
if style is not None:
string_group.set('style', style)
# place the glyphs' paths
line_number = 0
for text in text_list:
line_number += 1
# get the slyphs for the text
paths, text_width, text_height = glyphs.get_glyphs(cfg,
text,
font,
location,
scale,
line_number, # line number
rotate,
add_space)
origin = utils.to_Point(paths[0]['location'])
for path in paths:
# TODO: hack?
place = utils.to_Point(path['location'])
d = place - origin
d.rotate(rotate, Point())
place = origin + d
if mirror is True:
path['d'] = svg.mirror_path_over_axis(path['d'], 'x', 0)
place.x = -place.x
transform = 'translate(%s %s)' % (round(place.x, sig_dig),
round(-place.y, sig_dig))
# add glyph
subelement = et.SubElement(string_group,
'path',
transform=transform,
d=path['d'],
letter=path['symbol'],
gerber_lp=path['gerber-lp'])
return
