def parse_path(node, state):
"""Parses an SVG <path>-element"""
state = state.updated(node)
path_def = node.get('d')
if path_def is None:
state.add_warning("Ignored path-element without definition "
"attribute%s." % maybe_id_ref(node))
return
path_def = clean_path_definition(path_def)
if len(path_def) == 0:
state.add_warning("Ignored path-element without definition "
"attribute%s." % maybe_id_ref(node))
return
try:
path_id = state.props.Path(path_def, state.settings)
except ValueError:
ifaint.copy_text(node.get('d')) # Fixme: Remove
state.add_warning("Failed parsing a path definition%s." %
maybe_id_ref(node))
return
return path_id
def parse_group(node, state, id_to_etree_node=None):
"""Parses an SVG <g>-element."""
# Fixme: Use id_to_etree_node
state = state.updated(node)
# Parse the children of the group
object_ids = []
for child, func in match_children(node, svg_group_content_functions):
result = func(child, state)
if result.__class__ is not int:
# Expected an object id from the function
state.add_warning("Failed parsing child %s of group %s" %
(maybe_id_ref(child), maybe_id_ref(node)))
else:
object_ids.append(result)
if len(object_ids) == 0:
return
return state.props.Group(object_ids)
def parse_polygon(node, state):
"""Parses an SVG <path>-element."""
state = state.updated(node)
points = parse_points(node.get('points', ''))
if len(points) % 2 != 0:
state.add_warning("Odd number of coordinates for polygon%s." %
maybe_id_ref(node))
# SVG 1.1 F2 "Error processing" says
# Render polyline and polygons with invalid points up to the
# erroneous point.
points = points[:-1]
return state.props.Polygon(points, state.settings)
def parse_polyline(node, state):
"""Parses an SVG <polyline>-element."""
state = state.updated(node)
points = parse_points(node.get('points'))
if state.settings.arrow == 'front':
x0, y0, x1, y1 = points[-4:]
angle = rad_angle(x0, y0, x1, y1)
x, y = arrow_line_end(x1, y1, angle, state.settings.linewidth)
points[-2] = x
points[-1] = y
if len(points) % 2 != 0:
state.add_warning("Odd number of coordinates for polyline%s." %
maybe_id_ref(node))
# SVG 1.1 F2 "Error processing" says
# Render polyline and polygons with invalid points up to the
# erroneous point.
points = points[:-1]
return state.props.Line(points, state.settings)