def __init__(self, pin_number, p1, p2, label=None):
self.label = label # is a Label
self.p1 = Point(p1) # null end
self.p2 = Point(p2) # connect end
self.pin_number = pin_number
self.attributes = dict()
self.styles = dict()
def __init__(self, pin_number, p1, p2, label=None):
self.label = label # is a Label
self.p1 = Point(p1) # null end
self.p2 = Point(p2) # connect end
self.pin_number = pin_number
self.attributes = dict()
self.styles = dict()
def _make_line(self, p1, p2, aperture):
x1, y1 = float(p1[0]), float(p1[1])
x2, y2 = float(p2[0]), float(p2[1])
aperture = float(aperture)
dx = x2 - x1
dy = y2 - y1
length = math.sqrt(dx * dx + dy * dy)
if length == 0.0:
return []
result = []
line1 = Line((x1 - aperture * (y2 - y1) / length, y1 - aperture *
(x1 - x2) / length),
(x2 - aperture * (y2 - y1) / length, y2 - aperture *
(x1 - x2) / length))
line2 = Line((x1 + aperture * (y2 - y1) / length, y1 + aperture *
(x1 - x2) / length),
(x2 + aperture * (y2 - y1) / length, y2 + aperture *
(x1 - x2) / length))
result.append(line1)
result.append(line2)
def make_arc(p1, p2, p0):
start_angle = math.atan2(p1.y - p0.y, p1.x - p0.x) / math.pi
end_angle = math.atan2(p2.y - p0.y, p2.x - p0.x) / math.pi
return Arc(p0.x, p0.y, start_angle, end_angle, aperture)
result.append(make_arc(line1.p1, line2.p1, Point(p1)))
result.append(make_arc(line2.p2, line1.p2, Point(p2)))
return result
def draw_schematic(self):
""" Render the schematic into self.img """
# start off with all the component instances
for inst in self.design.component_instances:
comp = self.design.components.components[inst.library_id]
for body, attr in zip(comp.symbols[inst.symbol_index].bodies,
inst.symbol_attributes):
# draw the appropriate body, at the position in attr
pos = Point(attr.x, attr.y)
self.draw_symbol(body, pos, attr.rotation, attr.flip)
# draw in any annotations
for ann in attr.annotations:
if ann.visible:
pos = self.base_xform.chain(Point(ann.x, ann.y))
self.canvas.text((pos.x, pos.y),
ann.value,
fill=self.options.style['annot'])
for shape in self.design.shapes:
draw_method = getattr(self, 'draw_shape_%s' % shape.type)
draw_method(shape, self.base_xform, self.options.style['annot'])
for net in self.design.nets:
self.draw_net(net)
for ann in self.design.design_attributes.annotations:
if ann.visible:
pos = self.base_xform.chain(Point(ann.x, ann.y))
self.canvas.text((pos.x, pos.y),
ann.value,
fill=self.options.style['annot'])
def bounds(self):
""" Return the min and max point of a design """
bounds = [net.bounds() for net in self.nets]
bounds.extend([anno.bounds() for anno in
self.design_attributes.annotations])
offset_bounds = lambda (p1, p2), (xo, yo): [Point(p1.x + xo, p1.y + yo),
Point(p2.x + xo, p2.y + yo)]
for comp in self.component_instances:
offsets = [(att.x, att.y) for att in comp.symbol_attributes]
lib_comp = self.components.components[comp.library_id]
bodybounds = [b.bounds() for b in
lib_comp.symbols[comp.symbol_index].bodies]
# the offsets in symbol_attributes will align and apply to the
# library components bodies
bounds.extend([offset_bounds(b, o) for b, o in zip(bodybounds,
offsets)])
# flatten out bounds to just a list of Points
bounds = sum(bounds, [])
x_values = [pt.x for pt in bounds]
y_values = [pt.y for pt in bounds]
# by convention, an empty design will bound just the origin
if len(x_values) == 0:
x_values = [0]
y_values = [0]
return [Point(min(x_values), min(y_values)),
Point(max(x_values), max(y_values))]
def __init__(self, pin_number, p, shapes, label=None):
self.label = label # is a Label
self.p = Point(p)
self.pin_number = pin_number
self.shapes = shapes
self.attributes = dict()
self.styles = dict()
def test_pin_bounds(self):
'''Test bounds() for individual pins'''
pin = Pin(0, Point(2, 5), Point(4, 3))
top_left, bottom_right = pin.bounds()
self.assertEqual(top_left.x, 2)
self.assertEqual(top_left.y, 3)
self.assertEqual(bottom_right.x, 4)
self.assertEqual(bottom_right.y, 5)
def subtest_pin(self):
""" Common tests for both pin test cases """
k, v = self.sym.parse_pin('13 2 4 3 5 0 0 0')
self.assertEqual(k, 'pin')
self.assertEqual(v.p1, Point(3, 5))
self.assertEqual(v.p2, Point(2, 4))
self.assertEqual(v.pin_number, 13)
return(v)
def test_line_one_seg(self):
"""One line segment, from (2,3) to (4,7)"""
k, v = self.base.parse_line('2 1 3 4 7')
self.assertEqual(k, 'lines')
self.assertEqual(len(v), 1)
self.assertEqual(v[0].type, 'line')
p1, p2 = v[0].p1, v[0].p2
self.assertEqual(p1, Point(1, 3))
self.assertEqual(p2, Point(4, 7))
def bounds(self):
""" Return the min and max points of a pin """
x_values = [self.p1.x, self.p2.x]
y_values = [self.p1.y, self.p2.y]
if self.label is not None:
x_values.extend([pt.x for pt in self.label.bounds()])
y_values.extend([pt.y for pt in self.label.bounds()])
return [Point(min(x_values), min(y_values)),
Point(max(x_values), max(y_values))]
def test_create_new_line(self):
""" Test the creation of a new empty line. """
p1 = Point(0, 1)
p2 = Point(2, 3)
line = Line(p1, p2)
assert line.p1.x == p1.x
assert line.p1.y == p1.y
assert line.p2.x == p2.x
assert line.p2.y == p2.y
def parse_trace_segments(self, segments_json):
if segments_json is None:
return None
for segment_json in segments_json:
p1 = Point(segment_json['p1']['x'], segment_json['p1']['y'])
p2 = Point(segment_json['p2']['x'], segment_json['p2']['y'])
segment = Segment(segment_json['layer'], p1, p2,
segment_json['width'])
self.design.trace_segments.append(segment)
def test_point_equality(self):
'''pt1 == pt2 iff (pt1.x == pt2.x and pt1.y == pt2.y)'''
pta = Point(2, 3)
ptb = Point(2, 3)
ptc = Point(2, 4)
ptd = Point(4, 3)
pte = Point(4, 5)
self.assertEqual(pta, ptb)
for pt in (ptc, ptd, pte):
self.assertNotEqual(pta, pt)
def bounds(self):
""" Return the min and max points of the bounding box """
x_values = [p.x for p in self.points.values()]
y_values = [p.y for p in self.points.values()]
# get a list of all the bounding points for annotations
bounds = sum([ann.bounds() for ann in self.annotations], [])
x_values.extend([pt.x for pt in bounds])
y_values.extend([pt.y for pt in bounds])
return [Point(min(x_values), min(y_values)),
Point(max(x_values), max(y_values))]
def test_pin_label_bounds(self):
'''Test bounds() for a pin with a label'''
lab = Label(0, 0, 'foo', align='left', rotation=0)
mkbounds(lab, 1, 3, 2, 6)
pin = Pin(0, Point(2, 2), Point(4, 3), lab)
top_left, bottom_right = pin.bounds()
self.assertEqual(top_left.x, 1)
self.assertEqual(top_left.y, 2)
self.assertEqual(bottom_right.x, 4)
self.assertEqual(bottom_right.y, 6)
def draw_shape_arc(self, arc, xform, colour):
""" draw an arc segment """
x, y, r = arc.x, arc.y, arc.radius
# if the arc segment were extended to draw a full circle, box would
# enclose that circle
minpt, maxpt = [
xform.chain(Point(px, py))
for (px, py) in [(x - r, y - r), (x + r, y + r)]
]
xs, ys = [minpt.x, maxpt.x], [minpt.y, maxpt.y]
box = (min(xs), min(ys), max(xs), max(ys))
center = xform.chain(Point(x, y))
def pt_to_deg(pt):
# given a point, give the angle w.r.t. to the xform'd center of the
# arc (ie. where it will be when drawn)
# 3 o'clock is angle of 0, angles increase clockwise
opp, adj = pt.y - center.y, pt.x - center.x
if adj == 0:
if opp > 0:
return 90
return 270
angle = 180 * atan(opp / float(adj)) / pi
if pt.x < center.x:
angle += 180
return int(angle % 360)
# create a point in the middle of the arc (used to detect that the xform
# has flipped the arc around. In that case, drawing from start_angle to
# end_angle will go in the wrong direction, and draw out exactly the
# wrong part of the circle)
mid_ang = (arc.start_angle + arc.end_angle) / 2
if arc.start_angle > arc.end_angle:
mid_ang = (mid_ang - 1) % 2
mid_pt = xform.chain(
Point(
cos((2 - mid_ang) * pi) * arc.radius + x,
sin((2 - mid_ang) * pi) * arc.radius + y))
start, end = [xform.chain(pt) for pt in arc.ends()]
if pt_to_deg(start) < pt_to_deg(end):
if not (pt_to_deg(start) < pt_to_deg(mid_pt) < pt_to_deg(end)):
# swap start and end so that the arc traces through the
# transformed midpoint
start, end = end, start
elif (pt_to_deg(end) < pt_to_deg(mid_pt) < pt_to_deg(start)):
# swap start and end so that the arc traces through the
# transformed midpoint
start, end = end, start
# by using the arc.ends() points, any rotation in xform gets handled
# properly.
self.canvas.arc(box, pt_to_deg(start), pt_to_deg(end), fill=colour)
def bounds(self):
""" Return the min and max points of the bounding box around a body """
points = sum([s.bounds() for s in self.shapes + self.pins], [])
x_values = [pt.x for pt in points]
y_values = [pt.y for pt in points]
if len(x_values) == 0:
# Empty body includes just the origin
x_values = [0]
y_values = [0]
return [Point(min(x_values), min(y_values)),
Point(max(x_values), max(y_values))]
def test_create_point_from_point(self):
'''Test Point constructor when cloning another point'''
oldpnt = Point(2, 3)
newpnt = Point(oldpnt)
self.assertFalse(oldpnt is newpnt)
self.assertEqual(oldpnt.x, newpnt.x)
self.assertEqual(oldpnt.y, newpnt.y)
oldpnt.x = 4
oldpnt.y = 5
self.assertEqual(newpnt.x, 2)
self.assertEqual(newpnt.y, 3)
def test_line_max_point(self):
'''Test Line.max_point() in different situations'''
line = Line(Point(2, 3), Point(4, 5))
bottom_right = line.max_point()
self.assertEqual(bottom_right.x, 4)
self.assertEqual(bottom_right.y, 5)
line = Line(Point(2, 3), Point(-1, 4))
bottom_right = line.max_point()
self.assertEqual(bottom_right.x, 2)
self.assertEqual(bottom_right.y, 4)
def test_line_min_point(self):
'''Test Line.min_point() in different situations'''
line = Line(Point(2, 3), Point(4, 5))
top_left = line.min_point()
self.assertEqual(top_left.x, 2)
self.assertEqual(top_left.y, 3)
line = Line(Point(2, 3), Point(-1, 4))
top_left = line.min_point()
self.assertEqual(top_left.x, -1)
self.assertEqual(top_left.y, 3)
def test_create_new_pin(self):
""" Test the creation of a new empty pin. """
p1 = Point(0, 1)
p2 = Point(2, 3)
pin = Pin(0, p1, p2, 'abc')
assert pin.label == 'abc'
assert pin.p1.x == p1.x
assert pin.p1.y == p1.y
assert pin.p2.x == p2.x
assert pin.p2.y == p2.y
assert pin.pin_number == 0
def test_line_multi_seg(self):
"""A multi-segment line, should become many Line objects"""
pts = [(2, 1), (4, 5), (8, 7), (9, 2)]
pts_text = ' '.join([str(p1) + ' ' + str(p2) for p1, p2 in pts])
k, v = self.base.parse_line(str(len(pts)) + ' ' + pts_text)
self.assertEqual(k, 'lines')
self.assertEqual(len(v), len(pts) - 1)
# line segments returned out of order, or with p1/p2 swapped, would be
# acceptable. The test would need to change for that.
for i, line in enumerate(v):
self.assertEqual(line.type, 'line')
self.assertEqual(Point(pts[i]), line.p1)
self.assertEqual(Point(pts[i + 1]), line.p2)
def test_create_new_bezier_curve(self):
""" Test the creation of a new empty bezier. """
control1 = Point(2, 9)
control2 = Point(9, 8)
p1 = Point(1, 1)
p2 = Point(7, 2)
assert self.curve.control1.x == control1.x
assert self.curve.control1.y == control1.y
assert self.curve.control2.x == control2.x
assert self.curve.control2.y == control2.y
assert self.curve.p1.x == p1.x
assert self.curve.p1.y == p1.y
assert self.curve.p2.x == p2.x
assert self.curve.p2.y == p2.y
def _do_funct(self, block):
""" Set drawing modes, fill terminators. """
code = int(block.code)
if 'D' in block.type_:
if code < 10:
effect = {'draw': D_MAP[code]}
# flash current pos/aperture
if 'X' in block.type_:
apertures = self.layer_buff.apertures
aperture = apertures[self.status['aperture']]
pos = Point(self.status['x'], self.status['y'])
shape_inst = ShapeInstance(pos, aperture)
self.img_buff.shape_instances.append(shape_inst)
# terminate fill mid mode
if (self.status['outline_fill'] and code == 2
and self.fill_buff):
self.img_buff.fills.append(self._check_fill())
else:
effect = {'aperture': block.code}
else:
effect = G_MAP[code]
if code == 37:
# terminate fill if D02 was not specified
if self.fill_buff:
self.img_buff.fills.append(self._check_fill())
return effect
def test_bounds_pins(self):
'''Test bounds() with just pins included'''
pins = [Pin(str(i), Point(0, 0), Point(0, 0)) for i in range(4)]
# checking body.bounds(), not the pins, so override their bounds()
# methods
for i, pin in enumerate(pins):
bounds = [3, 3, 3, 3]
bounds[i] = 2 * i
mkbounds(pin, bounds[0], bounds[1], bounds[2], bounds[3])
self.bod.add_pin(pin)
top_left, bottom_right = self.bod.bounds()
self.assertEqual(top_left.x, 0)
self.assertEqual(top_left.y, 2)
self.assertEqual(bottom_right.x, 4)
self.assertEqual(bottom_right.y, 6)
def __init__(self, symbol_dirs=None):
""" Constructs a new GEDA object and initialises it. *symbol_dirs*
expects a list of directories. It will search for .sym files
in all the specified directories.
"""
if symbol_dirs is None:
symbol_dirs = []
symbol_dirs = symbol_dirs + \
[os.path.join(os.path.dirname(__file__), '..',
'library', 'geda')]
self.known_symbols = find_symbols(symbol_dirs)
## offset used as bottom left origin as default
## in gEDA when starting new file
self.offset = Point(0, 0)
self.component_library = None
##NOTE: special attributes that are processed
## separately and will not be used as regular attributes
self.ignored_attributes = [
'_prefix',
'_suffix',
'_refdes',
'_name',
'_geda_imported',
]
self.project_dirs = {
'symbol': None,
'project': None,
}
def draw_net(self, net):
""" draw out a net """
# need a second dict so that removing nets as they are drawn does
# not affect the actual design object.
connects = dict([(pt.point_id, list(pt.connected_points))
for pt in net.points.values()])
for pid, connlist in connects.items():
pidpt = self.base_xform.chain(net.points[pid])
for junc in connlist:
juncpt = self.base_xform.chain(net.points[junc])
# draw a line to each connected point from this junction
self.canvas.line([(pidpt.x, pidpt.y), (juncpt.x, juncpt.y)],
fill=self.options.style['net'])
# don't need the connected point to draw a line back
connects[junc].remove(pid)
# TODO draw the connection to the component pin
# (may actually be done)
for pt in net.points.values():
if self.dot_at(pt, net):
drawpt = self.base_xform.chain(pt)
# arbitrarily, drawing the dot 4x the minimum dimension in the
# design + 1 pixel.
scale = self.options.scale * 2
# draw the actual solder dot
self.canvas.ellipse((drawpt.x - scale, drawpt.y - scale,
drawpt.x + scale, drawpt.y + scale),
outline=self.options.style['net'],
fill=self.options.style['net'])
for ann in net.annotations:
pos = self.base_xform.chain(Point(ann.x, ann.y))
self.canvas.text((pos.x, pos.y),
ann.value,
fill=self.options.style['annot'])
def __init__(self, pin_number, p, shapes, label=None):
self.label = label # is a Label
self.p = Point(p)
self.pin_number = pin_number
self.shapes = shapes
self.attributes = dict()
self.styles = dict()
def parse_pours(self, pours_json):
if pours_json is None:
return None
for pour_json in pours_json:
points = [
Point(point_json['x'], point_json['y'])
for point_json in pour_json['points']
]
layer = pour_json['layer']
subtractive_shapes = []
if 'subtractive_shapes' in pour_json:
subtractive_shapes = [
self.parse_shape(shape_json)
for shape_json in pour_json['subtractive_shapes']
]
if 'readded_shapes' in pour_json:
readded_shapes = [
self.parse_shape(shape_json)
for shape_json in pour_json['readded_shapes']
]
pour = Pour(layer, points, subtractive_shapes, readded_shapes)
self.design.pours.append(pour)
def _convert_shapes(self, shapes, center=(0, 0), absolute=False):
""" Convert shapes """
result = []
def fix_point(point):
x, y = (point[0] + center[0], point[1] + center[1])
if absolute:
# freerouter often creates points outside boundary, fix it
if x > self.max_x:
x = self.min_x + x - self.max_x
elif x < self.min_x:
x = self.max_x - x - self.min_x
if y > self.max_y:
y = self.min_y + y - self.max_y
elif y < self.min_y:
y = self.max_y - y - self.min_y
return (x, y)
for shape in shapes:
if isinstance(shape, specctraobj.PolylinePath):
points = [
fix_point(self.to_pixels(point)) for point in shape.vertex
]
result.extend(
self._convert_path(self.to_pixels(shape.aperture_width),
points))
elif isinstance(shape, specctraobj.Path):
points = [
fix_point(self.to_pixels(point)) for point in shape.vertex
]
# Path has connected start and end points
if points[0] != points[-1] and len(points) != 2:
points.append(points[0])
result.extend(
self._convert_path(self.to_pixels(shape.aperture_width),
points))
elif isinstance(shape, specctraobj.Polygon):
points = [
fix_point(self.to_pixels(point)) for point in shape.vertex
]
points = [Point(point[0], point[1]) for point in points]
result.append(Polygon(points))
elif isinstance(shape, specctraobj.Rectangle):
x1, y1 = self.to_pixels(shape.vertex1)
x2, y2 = self.to_pixels(shape.vertex2)
width, height = abs(x1 - x2), abs(y1 - y2)
x1, y1 = fix_point((min(x1, x2), max(y1, y2)))
result.append(Rectangle(x1, y1, width, height))
elif isinstance(shape, specctraobj.Circle):
point = fix_point(self.to_pixels(shape.vertex))
result.append(
Circle(point[0], point[1],
self.to_pixels(shape.diameter / 2.0)))
return result
def max_point(self):
""" Return the max point of the shape """
if len(self.points) < 1:
# by convention
x, y = 0, 0
else:
x = max([pt.x for pt in self.points])
y = max([pt.y for pt in self.points])
return Point(x, y)
class Pin:
""" Pins are the parts of Bodies (/symbols/components) that connect
to nets. Basically a line segment, with a null end and a connect end
"""
def __init__(self, pin_number, p1, p2, label=None):
self.label = label # is a Label
self.p1 = Point(p1) # null end
self.p2 = Point(p2) # connect end
self.pin_number = pin_number
self.attributes = dict()
self.styles = dict()
def add_attribute(self, key, value):
""" Add attribute to a pin """
self.attributes[key] = value
def bounds(self):
""" Return the min and max points of a pin """
x_values = [self.p1.x, self.p2.x]
y_values = [self.p1.y, self.p2.y]
if self.label is not None:
x_values.extend([pt.x for pt in self.label.bounds()])
y_values.extend([pt.y for pt in self.label.bounds()])
return [Point(min(x_values), min(y_values)),
Point(max(x_values), max(y_values))]
def json(self):
""" Return a pin as JSON """
ret = {
"pin_number":self.pin_number,
"p1":self.p1.json(),
"p2":self.p2.json(),
"attributes" : self.attributes,
"styles": self.styles,
}
if self.label is not None:
ret["label"] = self.label.json()
return ret
def draw_layout(self):
""" Render the layout into self.img """
# start off with all the component instances
for inst in self.design.component_instances:
comp = self.design.components.components[inst.library_id]
for body, attr in zip(comp.footprints[inst.footprint_index].bodies,
inst.footprint_attributes):
# draw the appropriate body, at the position in attr
pos = Point(attr.x, attr.y)
self.draw_footprint(body, pos, attr.rotation, attr.flip)
# draw in any annotations
for ann in attr.annotations:
if ann.visible:
pos = self.base_xform.chain(Point(ann.x, ann.y))
self.canvas.text((pos.x, pos.y),
ann.value,
fill=self.options.style['annot'])
for trace in self.design.traces:
self.draw_trace(trace)
class Pad:
""" Pads are the parts of FBodies (/footprints/components) that connect
to traces. Basically a set of shapes.
"""
def __init__(self, pin_number, p, shapes, label=None):
self.label = label # is a Label
self.p = Point(p)
self.pin_number = pin_number
self.shapes = shapes
self.attributes = dict()
self.styles = dict()
def add_attribute(self, key, value):
""" Add attribute to a pin """
self.attributes[key] = value
def bounds(self):
""" Return the min and max points of a pin """
pass
def scale(self, factor):
""" Scale the x & y coordinates in the pin. """
pass
def shift(self, dx, dy):
""" Shift the x & y coordinates in the pin. """
pass
def rebase_y_axis(self, height):
""" Rebase the y coordinate in the pin. """
pass
def json(self):
""" Return a pin as JSON """
ret = {
"pin_number": self.pin_number,
"p": self.p.json(),
"shapes": [s.json() for s in self.shapes],
"attributes": stringify_attributes(self.attributes),
"styles": self.styles,
}
if self.label is not None:
ret["label"] = self.label.json()
return ret
def _get_ctr_and_radius(self, end_pts, offset):
""" Apply gerber circular interpolation logic. """
start, end = end_pts
radius = sqrt(offset['i']**2 + offset['j']**2)
center = Point(x=start.x + offset['i'],
y=start.y + offset['j'])
# In single-quadrant mode, gerber requires implicit
# determination of offset direction, so we find the
# center through trial and error.
if not self.status['multi_quadrant']:
if not snap(center.dist(end), radius):
center = Point(x=start.x - offset['i'],
y=start.y - offset['j'])
if not snap(center.dist(end), radius):
center = Point(x=start.x + offset['i'],
y=start.y - offset['j'])
if not snap(center.dist(end), radius):
center = Point(x=start.x - offset['i'],
y=start.y + offset['j'])
if not snap(center.dist(end), radius):
raise ImpossibleGeometry
return (center, radius)
class Pin:
""" Pins are the parts of SBodies (/symbols/components) that connect
to nets. Basically a line segment, with a null end and a connect end
"""
def __init__(self, pin_number, p1, p2, label=None):
self.label = label # is a Label
self.p1 = Point(p1) # null end
self.p2 = Point(p2) # connect end
self.pin_number = pin_number
self.attributes = dict()
self.styles = dict()
def add_attribute(self, key, value):
""" Add attribute to a pin """
self.attributes[key] = value
def bounds(self):
""" Return the min and max points of a pin """
x_values = [self.p1.x, self.p2.x]
y_values = [self.p1.y, self.p2.y]
if self.label is not None:
x_values.extend([pt.x for pt in self.label.bounds()])
y_values.extend([pt.y for pt in self.label.bounds()])
return [Point(min(x_values), min(y_values)),
Point(max(x_values), max(y_values))]
def scale(self, factor):
""" Scale the x & y coordinates in the pin. """
if self.label is not None:
self.label.scale(factor)
self.p1.scale(factor)
self.p2.scale(factor)
def shift(self, dx, dy):
""" Shift the x & y coordinates in the pin. """
if self.label is not None:
self.label.shift(dx, dy)
self.p1.shift(dx, dy)
self.p2.shift(dx, dy)
def rebase_y_axis(self, height):
""" Rebase the y coordinate in the pin. """
if self.label is not None:
self.label.rebase_y_axis(height)
self.p1.rebase_y_axis(height)
self.p2.rebase_y_axis(height)
def json(self):
""" Return a pin as JSON """
ret = {
"pin_number": self.pin_number,
"p1": self.p1.json(),
"p2": self.p2.json(),
"attributes": stringify_attributes(self.attributes),
"styles": self.styles,
}
if self.label is not None:
ret["label"] = self.label.json()
return ret
def _add_hole(self, parent_attr, body_attr, shape):
if not isinstance(shape, Circle):
log.error('holes must be circular, found %s', shape)
return
#raise Unwritable('all holes must be circular')
pos = Point(shape.x, shape.y)
pos.shift(body_attr.x, body_attr.y)
if parent_attr:
if parent_attr.rotation != 0:
pos.rotate(parent_attr.rotation)
if parent_attr.flip_horizontal:
pos.flip(parent_attr.flip_horizontal)
pos.shift(parent_attr.x, parent_attr.y)
if body_attr.rotation != 0:
if parent_attr and parent_attr.flip_horizontal:
pos.rotate(-body_attr.rotation, in_place=True)
else:
pos.rotate(body_attr.rotation, in_place=True)
if body_attr.flip_horizontal:
shape.flip(body_attr.flip_horizontal)
log.debug('adding %d hole at %d, %d', shape.radius * 2, pos.x, pos.y)
if shape.radius not in self._holes:
self._holes[shape.radius] = Hole(shape)
self._holes[shape.radius].locations.append(pos)
