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Diffstat (limited to 'gerber/primitives.py')
| -rw-r--r-- | gerber/primitives.py | 1697 |
1 files changed, 1697 insertions, 0 deletions
diff --git a/gerber/primitives.py b/gerber/primitives.py new file mode 100644 index 0000000..757f117 --- /dev/null +++ b/gerber/primitives.py @@ -0,0 +1,1697 @@ +#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# copyright 2016 Hamilton Kibbe <ham@hamiltonkib.be>
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+# http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import math
+from operator import add
+from itertools import combinations
+from .utils import validate_coordinates, inch, metric, convex_hull
+from .utils import rotate_point, nearly_equal
+
+
+
+
+class Primitive(object):
+ """ Base class for all Cam file primitives
+
+ Parameters
+ ---------
+ level_polarity : string
+ Polarity of the parameter. May be 'dark' or 'clear'. Dark indicates
+ a "positive" primitive, i.e. indicating where coppper should remain,
+ and clear indicates a negative primitive, such as where copper should
+ be removed. clear primitives are often used to create cutouts in region
+ pours.
+
+ rotation : float
+ Rotation of a primitive about its origin in degrees. Positive rotation
+ is counter-clockwise as viewed from the board top.
+
+ units : string
+ Units in which primitive was defined. 'inch' or 'metric'
+
+ net_name : string
+ Name of the electrical net the primitive belongs to
+ """
+
+ def __init__(self, level_polarity='dark', rotation=0, units=None, net_name=None):
+ self.level_polarity = level_polarity
+ self.net_name = net_name
+ self._to_convert = list()
+ self._memoized = list()
+ self._units = units
+ self._rotation = rotation
+ self._cos_theta = math.cos(math.radians(rotation))
+ self._sin_theta = math.sin(math.radians(rotation))
+ self._bounding_box = None
+ self._vertices = None
+ self._segments = None
+
+ @property
+ def flashed(self):
+ '''Is this a flashed primitive'''
+ raise NotImplementedError('Is flashed must be '
+ 'implemented in subclass')
+
+ def __eq__(self, other):
+ return self.__dict__ == other.__dict__
+
+ @property
+ def units(self):
+ return self._units
+
+ @units.setter
+ def units(self, value):
+ self._changed()
+ self._units = value
+
+ @property
+ def rotation(self):
+ return self._rotation
+
+ @rotation.setter
+ def rotation(self, value):
+ self._changed()
+ self._rotation = value
+ self._cos_theta = math.cos(math.radians(value))
+ self._sin_theta = math.sin(math.radians(value))
+
+ @property
+ def vertices(self):
+ return None
+
+ @property
+ def segments(self):
+ if self._segments is None:
+ if self.vertices is not None and len(self.vertices):
+ self._segments = [segment for segment in
+ combinations(self.vertices, 2)]
+ return self._segments
+
+ @property
+ def bounding_box(self):
+ """ Calculate axis-aligned bounding box
+
+ will be helpful for sweep & prune during DRC clearance checks.
+
+ Return ((min x, max x), (min y, max y))
+ """
+ raise NotImplementedError('Bounding box calculation must be '
+ 'implemented in subclass')
+
+ @property
+ def bounding_box_no_aperture(self):
+ """ Calculate bouxing box without considering the aperture
+
+ for most objects, this is the same as the bounding_box, but is different for
+ Lines and Arcs (which are not flashed)
+
+ Return ((min x, max x), (min y, max y))
+ """
+ return self.bounding_box
+
+ def to_inch(self):
+ """ Convert primitive units to inches.
+ """
+ if self.units == 'metric':
+ self.units = 'inch'
+ for attr, value in [(attr, getattr(self, attr))
+ for attr in self._to_convert]:
+ if hasattr(value, 'to_inch'):
+ value.to_inch()
+ else:
+ try:
+ if len(value) > 1:
+ if hasattr(value[0], 'to_inch'):
+ for v in value:
+ v.to_inch()
+ elif isinstance(value[0], tuple):
+ setattr(self, attr,
+ [tuple(map(inch, point))
+ for point in value])
+ else:
+ setattr(self, attr, tuple(map(inch, value)))
+ except:
+ if value is not None:
+ setattr(self, attr, inch(value))
+
+ def to_metric(self):
+ """ Convert primitive units to metric.
+ """
+ if self.units == 'inch':
+ self.units = 'metric'
+ for attr, value in [(attr, getattr(self, attr))
+ for attr in self._to_convert]:
+ if hasattr(value, 'to_metric'):
+ value.to_metric()
+ else:
+ try:
+ if len(value) > 1:
+ if hasattr(value[0], 'to_metric'):
+ for v in value:
+ v.to_metric()
+ elif isinstance(value[0], tuple):
+ setattr(self, attr,
+ [tuple(map(metric, point))
+ for point in value])
+ else:
+ setattr(self, attr, tuple(map(metric, value)))
+ except:
+ if value is not None:
+ setattr(self, attr, metric(value))
+
+ def offset(self, x_offset=0, y_offset=0):
+ """ Move the primitive by the specified x and y offset amount.
+
+ values are specified in the primitive's native units
+ """
+ if hasattr(self, 'position'):
+ self._changed()
+ self.position = tuple([coord + offset for coord, offset
+ in zip(self.position,
+ (x_offset, y_offset))])
+
+ def to_statement(self):
+ pass
+
+ def _changed(self):
+ """ Clear memoized properties.
+
+ Forces a recalculation next time any memoized propery is queried.
+ This must be called from a subclass every time a parameter that affects
+ a memoized property is changed. The easiest way to do this is to call
+ _changed() from property.setter methods.
+ """
+ self._bounding_box = None
+ self._vertices = None
+ self._segments = None
+ for attr in self._memoized:
+ setattr(self, attr, None)
+
+class Line(Primitive):
+ """
+ """
+
+ def __init__(self, start, end, aperture, level_polarity=None, **kwargs):
+ super(Line, self).__init__(**kwargs)
+ self.level_polarity = level_polarity
+ self._start = start
+ self._end = end
+ self.aperture = aperture
+ self._to_convert = ['start', 'end', 'aperture']
+
+ @property
+ def flashed(self):
+ return False
+
+ @property
+ def start(self):
+ return self._start
+
+ @start.setter
+ def start(self, value):
+ self._changed()
+ self._start = value
+
+ @property
+ def end(self):
+ return self._end
+
+ @end.setter
+ def end(self, value):
+ self._changed()
+ self._end = value
+
+ @property
+ def angle(self):
+ delta_x, delta_y = tuple(
+ [end - start for end, start in zip(self.end, self.start)])
+ angle = math.atan2(delta_y, delta_x)
+ return angle
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ if isinstance(self.aperture, Circle):
+ width_2 = self.aperture.radius
+ height_2 = width_2
+ else:
+ width_2 = self.aperture.width / 2.
+ height_2 = self.aperture.height / 2.
+ min_x = min(self.start[0], self.end[0]) - width_2
+ max_x = max(self.start[0], self.end[0]) + width_2
+ min_y = min(self.start[1], self.end[1]) - height_2
+ max_y = max(self.start[1], self.end[1]) + height_2
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ @property
+ def bounding_box_no_aperture(self):
+ '''Gets the bounding box without the aperture'''
+ min_x = min(self.start[0], self.end[0])
+ max_x = max(self.start[0], self.end[0])
+ min_y = min(self.start[1], self.end[1])
+ max_y = max(self.start[1], self.end[1])
+ return ((min_x, max_x), (min_y, max_y))
+
+ @property
+ def vertices(self):
+ if self._vertices is None:
+ start = self.start
+ end = self.end
+ if isinstance(self.aperture, Rectangle):
+ width = self.aperture.width
+ height = self.aperture.height
+
+ # Find all the corners of the start and end position
+ start_ll = (start[0] - (width / 2.), start[1] - (height / 2.))
+ start_lr = (start[0] + (width / 2.), start[1] - (height / 2.))
+ start_ul = (start[0] - (width / 2.), start[1] + (height / 2.))
+ start_ur = (start[0] + (width / 2.), start[1] + (height / 2.))
+ end_ll = (end[0] - (width / 2.), end[1] - (height / 2.))
+ end_lr = (end[0] + (width / 2.), end[1] - (height / 2.))
+ end_ul = (end[0] - (width / 2.), end[1] + (height / 2.))
+ end_ur = (end[0] + (width / 2.), end[1] + (height / 2.))
+
+ # The line is defined by the convex hull of the points
+ self._vertices = convex_hull((start_ll, start_lr, start_ul, start_ur, end_ll, end_lr, end_ul, end_ur))
+ elif isinstance(self.aperture, Polygon):
+ points = [map(add, point, vertex)
+ for vertex in self.aperture.vertices
+ for point in (start, end)]
+ self._vertices = convex_hull(points)
+ return self._vertices
+
+ def offset(self, x_offset=0, y_offset=0):
+ self._changed()
+ self.start = tuple([coord + offset for coord, offset
+ in zip(self.start, (x_offset, y_offset))])
+ self.end = tuple([coord + offset for coord, offset
+ in zip(self.end, (x_offset, y_offset))])
+
+ def equivalent(self, other, offset):
+
+ if not isinstance(other, Line):
+ return False
+
+ equiv_start = tuple(map(add, other.start, offset))
+ equiv_end = tuple(map(add, other.end, offset))
+
+
+ return nearly_equal(self.start, equiv_start) and nearly_equal(self.end, equiv_end)
+
+ def __str__(self):
+ return "<Line {} to {}>".format(self.start, self.end)
+
+ def __repr__(self):
+ return str(self)
+
+class Arc(Primitive):
+ """
+ """
+
+ def __init__(self, start, end, center, direction, aperture, quadrant_mode,
+ level_polarity=None, **kwargs):
+ super(Arc, self).__init__(**kwargs)
+ self.level_polarity = level_polarity
+ self._start = start
+ self._end = end
+ self._center = center
+ self.direction = direction
+ self.aperture = aperture
+ self._quadrant_mode = quadrant_mode
+ self._to_convert = ['start', 'end', 'center', 'aperture']
+
+ @property
+ def flashed(self):
+ return False
+
+ @property
+ def start(self):
+ return self._start
+
+ @start.setter
+ def start(self, value):
+ self._changed()
+ self._start = value
+
+ @property
+ def end(self):
+ return self._end
+
+ @end.setter
+ def end(self, value):
+ self._changed()
+ self._end = value
+
+ @property
+ def center(self):
+ return self._center
+
+ @center.setter
+ def center(self, value):
+ self._changed()
+ self._center = value
+
+ @property
+ def quadrant_mode(self):
+ return self._quadrant_mode
+
+ @quadrant_mode.setter
+ def quadrant_mode(self, quadrant_mode):
+ self._changed()
+ self._quadrant_mode = quadrant_mode
+
+ @property
+ def radius(self):
+ dy, dx = tuple([start - center for start, center
+ in zip(self.start, self.center)])
+ return math.sqrt(dy ** 2 + dx ** 2)
+
+ @property
+ def start_angle(self):
+ dx, dy = tuple([start - center for start, center
+ in zip(self.start, self.center)])
+ return math.atan2(dy, dx)
+
+ @property
+ def end_angle(self):
+ dx, dy = tuple([end - center for end, center
+ in zip(self.end, self.center)])
+ return math.atan2(dy, dx)
+
+ @property
+ def sweep_angle(self):
+ two_pi = 2 * math.pi
+ theta0 = (self.start_angle + two_pi) % two_pi
+ theta1 = (self.end_angle + two_pi) % two_pi
+ if self.direction == 'counterclockwise':
+ return abs(theta1 - theta0)
+ else:
+ theta0 += two_pi
+ return abs(theta0 - theta1) % two_pi
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ two_pi = 2 * math.pi
+ theta0 = (self.start_angle + two_pi) % two_pi
+ theta1 = (self.end_angle + two_pi) % two_pi
+ points = [self.start, self.end]
+ if self.quadrant_mode == 'multi-quadrant':
+ if self.direction == 'counterclockwise':
+ # Passes through 0 degrees
+ if theta0 >= theta1:
+ points.append((self.center[0] + self.radius, self.center[1]))
+ # Passes through 90 degrees
+ if (((theta0 <= math.pi / 2.) and ((theta1 >= math.pi / 2.) or (theta1 <= theta0)))
+ or ((theta1 > math.pi / 2.) and (theta1 <= theta0))):
+ points.append((self.center[0], self.center[1] + self.radius))
+ # Passes through 180 degrees
+ if ((theta0 <= math.pi and (theta1 >= math.pi or theta1 <= theta0))
+ or ((theta1 > math.pi) and (theta1 <= theta0))):
+ points.append((self.center[0] - self.radius, self.center[1]))
+ # Passes through 270 degrees
+ if (theta0 <= math.pi * 1.5 and (theta1 >= math.pi * 1.5 or theta1 <= theta0)
+ or ((theta1 > math.pi * 1.5) and (theta1 <= theta0))):
+ points.append((self.center[0], self.center[1] - self.radius))
+ else:
+ # Passes through 0 degrees
+ if theta1 >= theta0:
+ points.append((self.center[0] + self.radius, self.center[1]))
+ # Passes through 90 degrees
+ if (((theta1 <= math.pi / 2.) and (theta0 >= math.pi / 2. or theta0 <= theta1))
+ or ((theta0 > math.pi / 2.) and (theta0 <= theta1))):
+ points.append((self.center[0], self.center[1] + self.radius))
+ # Passes through 180 degrees
+ if (((theta1 <= math.pi) and (theta0 >= math.pi or theta0 <= theta1))
+ or ((theta0 > math.pi) and (theta0 <= theta1))):
+ points.append((self.center[0] - self.radius, self.center[1]))
+ # Passes through 270 degrees
+ if (((theta1 <= math.pi * 1.5) and (theta0 >= math.pi * 1.5 or theta0 <= theta1))
+ or ((theta0 > math.pi * 1.5) and (theta0 <= theta1))):
+ points.append((self.center[0], self.center[1] - self.radius))
+ x, y = zip(*points)
+ if hasattr(self.aperture, 'radius'):
+ min_x = min(x) - self.aperture.radius
+ max_x = max(x) + self.aperture.radius
+ min_y = min(y) - self.aperture.radius
+ max_y = max(y) + self.aperture.radius
+ else:
+ min_x = min(x) - self.aperture.width
+ max_x = max(x) + self.aperture.width
+ min_y = min(y) - self.aperture.height
+ max_y = max(y) + self.aperture.height
+
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ @property
+ def bounding_box_no_aperture(self):
+ '''Gets the bounding box without considering the aperture'''
+ two_pi = 2 * math.pi
+ theta0 = (self.start_angle + two_pi) % two_pi
+ theta1 = (self.end_angle + two_pi) % two_pi
+ points = [self.start, self.end]
+ if self.quadrant_mode == 'multi-quadrant':
+ if self.direction == 'counterclockwise':
+ # Passes through 0 degrees
+ if theta0 >= theta1:
+ points.append((self.center[0] + self.radius, self.center[1]))
+ # Passes through 90 degrees
+ if (((theta0 <= math.pi / 2.) and (
+ (theta1 >= math.pi / 2.) or (theta1 <= theta0)))
+ or ((theta1 > math.pi / 2.) and (theta1 <= theta0))):
+ points.append((self.center[0], self.center[1] + self.radius))
+ # Passes through 180 degrees
+ if ((theta0 <= math.pi and (theta1 >= math.pi or theta1 <= theta0))
+ or ((theta1 > math.pi) and (theta1 <= theta0))):
+ points.append((self.center[0] - self.radius, self.center[1]))
+ # Passes through 270 degrees
+ if (theta0 <= math.pi * 1.5 and (
+ theta1 >= math.pi * 1.5 or theta1 <= theta0)
+ or ((theta1 > math.pi * 1.5) and (theta1 <= theta0))):
+ points.append((self.center[0], self.center[1] - self.radius))
+ else:
+ # Passes through 0 degrees
+ if theta1 >= theta0:
+ points.append((self.center[0] + self.radius, self.center[1]))
+ # Passes through 90 degrees
+ if (((theta1 <= math.pi / 2.) and (
+ theta0 >= math.pi / 2. or theta0 <= theta1))
+ or ((theta0 > math.pi / 2.) and (theta0 <= theta1))):
+ points.append((self.center[0], self.center[1] + self.radius))
+ # Passes through 180 degrees
+ if (((theta1 <= math.pi) and (theta0 >= math.pi or theta0 <= theta1))
+ or ((theta0 > math.pi) and (theta0 <= theta1))):
+ points.append((self.center[0] - self.radius, self.center[1]))
+ # Passes through 270 degrees
+ if (((theta1 <= math.pi * 1.5) and (
+ theta0 >= math.pi * 1.5 or theta0 <= theta1))
+ or ((theta0 > math.pi * 1.5) and (theta0 <= theta1))):
+ points.append((self.center[0], self.center[1] - self.radius))
+ x, y = zip(*points)
+
+ min_x = min(x)
+ max_x = max(x)
+ min_y = min(y)
+ max_y = max(y)
+ return ((min_x, max_x), (min_y, max_y))
+
+ def offset(self, x_offset=0, y_offset=0):
+ self._changed()
+ self.start = tuple(map(add, self.start, (x_offset, y_offset)))
+ self.end = tuple(map(add, self.end, (x_offset, y_offset)))
+ self.center = tuple(map(add, self.center, (x_offset, y_offset)))
+
+
+class Circle(Primitive):
+ """
+ """
+
+ def __init__(self, position, diameter, hole_diameter=None,
+ hole_width=0, hole_height=0, **kwargs):
+ super(Circle, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._diameter = diameter
+ self.hole_diameter = hole_diameter
+ self.hole_width = hole_width
+ self.hole_height = hole_height
+ self._to_convert = ['position', 'diameter', 'hole_diameter', 'hole_width', 'hole_height']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def diameter(self):
+ return self._diameter
+
+ @diameter.setter
+ def diameter(self, value):
+ self._changed()
+ self._diameter = value
+
+ @property
+ def radius(self):
+ return self.diameter / 2.
+
+ @property
+ def hole_radius(self):
+ if self.hole_diameter != None:
+ return self.hole_diameter / 2.
+ return None
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ min_x = self.position[0] - self.radius
+ max_x = self.position[0] + self.radius
+ min_y = self.position[1] - self.radius
+ max_y = self.position[1] + self.radius
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ def offset(self, x_offset=0, y_offset=0):
+ self.position = tuple(map(add, self.position, (x_offset, y_offset)))
+
+ def equivalent(self, other, offset):
+ '''Is this the same as the other circle, ignoring the offiset?'''
+
+ if not isinstance(other, Circle):
+ return False
+
+ if self.diameter != other.diameter or self.hole_diameter != other.hole_diameter:
+ return False
+
+ equiv_position = tuple(map(add, other.position, offset))
+
+ return nearly_equal(self.position, equiv_position)
+
+
+class Ellipse(Primitive):
+ """
+ """
+ def __init__(self, position, width, height, **kwargs):
+ super(Ellipse, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._width = width
+ self._height = height
+ self._to_convert = ['position', 'width', 'height']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def width(self):
+ return self._width
+
+ @width.setter
+ def width(self, value):
+ self._changed()
+ self._width = value
+
+ @property
+ def height(self):
+ return self._height
+
+ @height.setter
+ def height(self, value):
+ self._changed()
+ self._height = value
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ min_x = self.position[0] - (self.axis_aligned_width / 2.0)
+ max_x = self.position[0] + (self.axis_aligned_width / 2.0)
+ min_y = self.position[1] - (self.axis_aligned_height / 2.0)
+ max_y = self.position[1] + (self.axis_aligned_height / 2.0)
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ @property
+ def axis_aligned_width(self):
+ ux = (self.width / 2.) * math.cos(math.radians(self.rotation))
+ vx = (self.height / 2.) * \
+ math.cos(math.radians(self.rotation) + (math.pi / 2.))
+ return 2 * math.sqrt((ux * ux) + (vx * vx))
+
+ @property
+ def axis_aligned_height(self):
+ uy = (self.width / 2.) * math.sin(math.radians(self.rotation))
+ vy = (self.height / 2.) * \
+ math.sin(math.radians(self.rotation) + (math.pi / 2.))
+ return 2 * math.sqrt((uy * uy) + (vy * vy))
+
+
+class Rectangle(Primitive):
+ """
+ When rotated, the rotation is about the center point.
+
+ Only aperture macro generated Rectangle objects can be rotated. If you aren't in a AMGroup,
+ then you don't need to worry about rotation
+ """
+
+ def __init__(self, position, width, height, hole_diameter=0,
+ hole_width=0, hole_height=0, **kwargs):
+ super(Rectangle, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._width = width
+ self._height = height
+ self.hole_diameter = hole_diameter
+ self.hole_width = hole_width
+ self.hole_height = hole_height
+ self._to_convert = ['position', 'width', 'height', 'hole_diameter',
+ 'hole_width', 'hole_height']
+ # TODO These are probably wrong when rotated
+ self._lower_left = None
+ self._upper_right = None
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def width(self):
+ return self._width
+
+ @width.setter
+ def width(self, value):
+ self._changed()
+ self._width = value
+
+ @property
+ def height(self):
+ return self._height
+
+ @height.setter
+ def height(self, value):
+ self._changed()
+ self._height = value
+
+ @property
+ def hole_radius(self):
+ """The radius of the hole. If there is no hole, returns None"""
+ if self.hole_diameter != None:
+ return self.hole_diameter / 2.
+ return None
+
+ @property
+ def upper_right(self):
+ return (self.position[0] + (self.axis_aligned_width / 2.),
+ self.position[1] + (self.axis_aligned_height / 2.))
+
+ @property
+ def lower_left(self):
+ return (self.position[0] - (self.axis_aligned_width / 2.),
+ self.position[1] - (self.axis_aligned_height / 2.))
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = (self.position[0] - (self.axis_aligned_width / 2.),
+ self.position[1] - (self.axis_aligned_height / 2.))
+ ur = (self.position[0] + (self.axis_aligned_width / 2.),
+ self.position[1] + (self.axis_aligned_height / 2.))
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+ @property
+ def vertices(self):
+ if self._vertices is None:
+ delta_w = self.width / 2.
+ delta_h = self.height / 2.
+ ll = ((self.position[0] - delta_w), (self.position[1] - delta_h))
+ ul = ((self.position[0] - delta_w), (self.position[1] + delta_h))
+ ur = ((self.position[0] + delta_w), (self.position[1] + delta_h))
+ lr = ((self.position[0] + delta_w), (self.position[1] - delta_h))
+ self._vertices = [((x * self._cos_theta - y * self._sin_theta),
+ (x * self._sin_theta + y * self._cos_theta))
+ for x, y in [ll, ul, ur, lr]]
+ return self._vertices
+
+ @property
+ def axis_aligned_width(self):
+ return (self._cos_theta * self.width + self._sin_theta * self.height)
+
+ @property
+ def axis_aligned_height(self):
+ return (self._cos_theta * self.height + self._sin_theta * self.width)
+
+ def equivalent(self, other, offset):
+ """Is this the same as the other rect, ignoring the offset?"""
+
+ if not isinstance(other, Rectangle):
+ return False
+
+ if self.width != other.width or self.height != other.height or self.rotation != other.rotation or self.hole_diameter != other.hole_diameter:
+ return False
+
+ equiv_position = tuple(map(add, other.position, offset))
+
+ return nearly_equal(self.position, equiv_position)
+
+ def __str__(self):
+ return "<Rectangle W {} H {} R {}>".format(self.width, self.height, self.rotation * 180/math.pi)
+
+ def __repr__(self):
+ return self.__str__()
+
+
+class Diamond(Primitive):
+ """
+ """
+
+ def __init__(self, position, width, height, **kwargs):
+ super(Diamond, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._width = width
+ self._height = height
+ self._to_convert = ['position', 'width', 'height']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def width(self):
+ return self._width
+
+ @width.setter
+ def width(self, value):
+ self._changed()
+ self._width = value
+
+ @property
+ def height(self):
+ return self._height
+
+ @height.setter
+ def height(self, value):
+ self._changed()
+ self._height = value
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = (self.position[0] - (self.axis_aligned_width / 2.),
+ self.position[1] - (self.axis_aligned_height / 2.))
+ ur = (self.position[0] + (self.axis_aligned_width / 2.),
+ self.position[1] + (self.axis_aligned_height / 2.))
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+ @property
+ def vertices(self):
+ if self._vertices is None:
+ delta_w = self.width / 2.
+ delta_h = self.height / 2.
+ top = (self.position[0], (self.position[1] + delta_h))
+ right = ((self.position[0] + delta_w), self.position[1])
+ bottom = (self.position[0], (self.position[1] - delta_h))
+ left = ((self.position[0] - delta_w), self.position[1])
+ self._vertices = [(((x * self._cos_theta) - (y * self._sin_theta)),
+ ((x * self._sin_theta) + (y * self._cos_theta)))
+ for x, y in [top, right, bottom, left]]
+ return self._vertices
+
+ @property
+ def axis_aligned_width(self):
+ return (self._cos_theta * self.width + self._sin_theta * self.height)
+
+ @property
+ def axis_aligned_height(self):
+ return (self._cos_theta * self.height + self._sin_theta * self.width)
+
+
+class ChamferRectangle(Primitive):
+ """
+ """
+ def __init__(self, position, width, height, chamfer, corners=None, **kwargs):
+ super(ChamferRectangle, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._width = width
+ self._height = height
+ self._chamfer = chamfer
+ self._corners = corners if corners is not None else [True] * 4
+ self._to_convert = ['position', 'width', 'height', 'chamfer']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def width(self):
+ return self._width
+
+ @width.setter
+ def width(self, value):
+ self._changed()
+ self._width = value
+
+ @property
+ def height(self):
+ return self._height
+
+ @height.setter
+ def height(self, value):
+ self._changed()
+ self._height = value
+
+ @property
+ def chamfer(self):
+ return self._chamfer
+
+ @chamfer.setter
+ def chamfer(self, value):
+ self._changed()
+ self._chamfer = value
+
+ @property
+ def corners(self):
+ return self._corners
+
+ @corners.setter
+ def corners(self, value):
+ self._changed()
+ self._corners = value
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = (self.position[0] - (self.axis_aligned_width / 2.),
+ self.position[1] - (self.axis_aligned_height / 2.))
+ ur = (self.position[0] + (self.axis_aligned_width / 2.),
+ self.position[1] + (self.axis_aligned_height / 2.))
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+ @property
+ def vertices(self):
+ if self._vertices is None:
+ vertices = []
+ delta_w = self.width / 2.
+ delta_h = self.height / 2.
+ # order is UR, UL, LL, LR
+ rect_corners = [
+ ((self.position[0] + delta_w), (self.position[1] + delta_h)),
+ ((self.position[0] - delta_w), (self.position[1] + delta_h)),
+ ((self.position[0] - delta_w), (self.position[1] - delta_h)),
+ ((self.position[0] + delta_w), (self.position[1] - delta_h))
+ ]
+ for idx, params in enumerate(zip(rect_corners, self.corners)):
+ corner, chamfered = params
+ x, y = corner
+ if chamfered:
+ if idx == 0:
+ vertices.append((x - self.chamfer, y))
+ vertices.append((x, y - self.chamfer))
+ elif idx == 1:
+ vertices.append((x + self.chamfer, y))
+ vertices.append((x, y - self.chamfer))
+ elif idx == 2:
+ vertices.append((x + self.chamfer, y))
+ vertices.append((x, y + self.chamfer))
+ elif idx == 3:
+ vertices.append((x - self.chamfer, y))
+ vertices.append((x, y + self.chamfer))
+ else:
+ vertices.append(corner)
+ self._vertices = [((x * self._cos_theta - y * self._sin_theta),
+ (x * self._sin_theta + y * self._cos_theta))
+ for x, y in vertices]
+ return self._vertices
+
+ @property
+ def axis_aligned_width(self):
+ return (self._cos_theta * self.width +
+ self._sin_theta * self.height)
+
+ @property
+ def axis_aligned_height(self):
+ return (self._cos_theta * self.height +
+ self._sin_theta * self.width)
+
+
+class RoundRectangle(Primitive):
+ """
+ """
+
+ def __init__(self, position, width, height, radius, corners, **kwargs):
+ super(RoundRectangle, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._width = width
+ self._height = height
+ self._radius = radius
+ self._corners = corners
+ self._to_convert = ['position', 'width', 'height', 'radius']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def width(self):
+ return self._width
+
+ @width.setter
+ def width(self, value):
+ self._changed()
+ self._width = value
+
+ @property
+ def height(self):
+ return self._height
+
+ @height.setter
+ def height(self, value):
+ self._changed()
+ self._height = value
+
+ @property
+ def radius(self):
+ return self._radius
+
+ @radius.setter
+ def radius(self, value):
+ self._changed()
+ self._radius = value
+
+ @property
+ def corners(self):
+ return self._corners
+
+ @corners.setter
+ def corners(self, value):
+ self._changed()
+ self._corners = value
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = (self.position[0] - (self.axis_aligned_width / 2.),
+ self.position[1] - (self.axis_aligned_height / 2.))
+ ur = (self.position[0] + (self.axis_aligned_width / 2.),
+ self.position[1] + (self.axis_aligned_height / 2.))
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+ @property
+ def axis_aligned_width(self):
+ return (self._cos_theta * self.width +
+ self._sin_theta * self.height)
+
+ @property
+ def axis_aligned_height(self):
+ return (self._cos_theta * self.height +
+ self._sin_theta * self.width)
+
+
+class Obround(Primitive):
+ """
+ """
+
+ def __init__(self, position, width, height, hole_diameter=0,
+ hole_width=0,hole_height=0, **kwargs):
+ super(Obround, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._width = width
+ self._height = height
+ self.hole_diameter = hole_diameter
+ self.hole_width = hole_width
+ self.hole_height = hole_height
+ self._to_convert = ['position', 'width', 'height', 'hole_diameter',
+ 'hole_width', 'hole_height' ]
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def width(self):
+ return self._width
+
+ @width.setter
+ def width(self, value):
+ self._changed()
+ self._width = value
+
+ @property
+ def height(self):
+ return self._height
+
+ @height.setter
+ def height(self, value):
+ self._changed()
+ self._height = value
+
+ @property
+ def hole_radius(self):
+ """The radius of the hole. If there is no hole, returns None"""
+ if self.hole_diameter != None:
+ return self.hole_diameter / 2.
+
+ return None
+
+ @property
+ def orientation(self):
+ return 'vertical' if self.height > self.width else 'horizontal'
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = (self.position[0] - (self.axis_aligned_width / 2.),
+ self.position[1] - (self.axis_aligned_height / 2.))
+ ur = (self.position[0] + (self.axis_aligned_width / 2.),
+ self.position[1] + (self.axis_aligned_height / 2.))
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+ @property
+ def subshapes(self):
+ if self.orientation == 'vertical':
+ circle1 = Circle((self.position[0], self.position[1] +
+ (self.height - self.width) / 2.), self.width)
+ circle2 = Circle((self.position[0], self.position[1] -
+ (self.height - self.width) / 2.), self.width)
+ rect = Rectangle(self.position, self.width,
+ (self.height - self.width))
+ else:
+ circle1 = Circle((self.position[0]
+ - (self.height - self.width) / 2.,
+ self.position[1]), self.height)
+ circle2 = Circle((self.position[0]
+ + (self.height - self.width) / 2.,
+ self.position[1]), self.height)
+ rect = Rectangle(self.position, (self.width - self.height),
+ self.height)
+ return {'circle1': circle1, 'circle2': circle2, 'rectangle': rect}
+
+ @property
+ def axis_aligned_width(self):
+ return (self._cos_theta * self.width +
+ self._sin_theta * self.height)
+
+ @property
+ def axis_aligned_height(self):
+ return (self._cos_theta * self.height +
+ self._sin_theta * self.width)
+
+
+class Polygon(Primitive):
+ """
+ Polygon flash defined by a set number of sides.
+ """
+ def __init__(self, position, sides, radius, hole_diameter=0,
+ hole_width=0, hole_height=0, **kwargs):
+ super(Polygon, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self.sides = sides
+ self._radius = radius
+ self.hole_diameter = hole_diameter
+ self.hole_width = hole_width
+ self.hole_height = hole_height
+ self._to_convert = ['position', 'radius', 'hole_diameter',
+ 'hole_width', 'hole_height']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def diameter(self):
+ return self.radius * 2
+
+ @property
+ def hole_radius(self):
+ if self.hole_diameter != None:
+ return self.hole_diameter / 2.
+ return None
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def radius(self):
+ return self._radius
+
+ @radius.setter
+ def radius(self, value):
+ self._changed()
+ self._radius = value
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ min_x = self.position[0] - self.radius
+ max_x = self.position[0] + self.radius
+ min_y = self.position[1] - self.radius
+ max_y = self.position[1] + self.radius
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ def offset(self, x_offset=0, y_offset=0):
+ self.position = tuple(map(add, self.position, (x_offset, y_offset)))
+
+ @property
+ def vertices(self):
+
+ offset = self.rotation
+ delta_angle = 360.0 / self.sides
+
+ points = []
+ for i in range(self.sides):
+ points.append(
+ rotate_point((self.position[0] + self.radius, self.position[1]), offset + delta_angle * i, self.position))
+ return points
+
+
+ def equivalent(self, other, offset):
+ """
+ Is this the outline the same as the other, ignoring the position offset?
+ """
+
+ # Quick check if it even makes sense to compare them
+ if type(self) != type(other) or self.sides != other.sides or self.radius != other.radius:
+ return False
+
+ equiv_pos = tuple(map(add, other.position, offset))
+
+ return nearly_equal(self.position, equiv_pos)
+
+
+class AMGroup(Primitive):
+ """
+ """
+ def __init__(self, amprimitives, stmt = None, **kwargs):
+ """
+
+ stmt : The original statment that generated this, since it is really hard to re-generate from primitives
+ """
+ super(AMGroup, self).__init__(**kwargs)
+
+ self.primitives = []
+ for amprim in amprimitives:
+ prim = amprim.to_primitive(self.units)
+ if isinstance(prim, list):
+ for p in prim:
+ self.primitives.append(p)
+ elif prim:
+ self.primitives.append(prim)
+ self._position = None
+ self._to_convert = ['_position', 'primitives']
+ self.stmt = stmt
+
+ def to_inch(self):
+ if self.units == 'metric':
+ super(AMGroup, self).to_inch()
+
+ # If we also have a stmt, convert that too
+ if self.stmt:
+ self.stmt.to_inch()
+
+
+ def to_metric(self):
+ if self.units == 'inch':
+ super(AMGroup, self).to_metric()
+
+ # If we also have a stmt, convert that too
+ if self.stmt:
+ self.stmt.to_metric()
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def bounding_box(self):
+ # TODO Make this cached like other items
+ xlims, ylims = zip(*[p.bounding_box for p in self.primitives])
+ minx, maxx = zip(*xlims)
+ miny, maxy = zip(*ylims)
+ min_x = min(minx)
+ max_x = max(maxx)
+ min_y = min(miny)
+ max_y = max(maxy)
+ return ((min_x, max_x), (min_y, max_y))
+
+ @property
+ def position(self):
+ return self._position
+
+ def offset(self, x_offset=0, y_offset=0):
+ self._position = tuple(map(add, self._position, (x_offset, y_offset)))
+
+ for primitive in self.primitives:
+ primitive.offset(x_offset, y_offset)
+
+ @position.setter
+ def position(self, new_pos):
+ '''
+ Sets the position of the AMGroup.
+ This offset all of the objects by the specified distance.
+ '''
+
+ if self._position:
+ dx = new_pos[0] - self._position[0]
+ dy = new_pos[1] - self._position[1]
+ else:
+ dx = new_pos[0]
+ dy = new_pos[1]
+
+ for primitive in self.primitives:
+ primitive.offset(dx, dy)
+
+ self._position = new_pos
+
+ def equivalent(self, other, offset):
+ '''
+ Is this the macro group the same as the other, ignoring the position offset?
+ '''
+
+ if len(self.primitives) != len(other.primitives):
+ return False
+
+ # We know they have the same number of primitives, so now check them all
+ for i in range(0, len(self.primitives)):
+ if not self.primitives[i].equivalent(other.primitives[i], offset):
+ return False
+
+ # If we didn't find any differences, then they are the same
+ return True
+
+class Outline(Primitive):
+ """
+ Outlines only exist as the rendering for a apeture macro outline.
+ They don't exist outside of AMGroup objects
+ """
+
+ def __init__(self, primitives, **kwargs):
+ super(Outline, self).__init__(**kwargs)
+ self.primitives = primitives
+ self._to_convert = ['primitives']
+
+ if self.primitives[0].start != self.primitives[-1].end:
+ raise ValueError('Outline must be closed')
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ xlims, ylims = zip(*[p.bounding_box for p in self.primitives])
+ minx, maxx = zip(*xlims)
+ miny, maxy = zip(*ylims)
+ min_x = min(minx)
+ max_x = max(maxx)
+ min_y = min(miny)
+ max_y = max(maxy)
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ def offset(self, x_offset=0, y_offset=0):
+ self._changed()
+ for p in self.primitives:
+ p.offset(x_offset, y_offset)
+
+ @property
+ def vertices(self):
+ if self._vertices is None:
+ theta = math.radians(360/self.sides)
+ vertices = [(self.position[0] + (math.cos(theta * side) * self.radius),
+ self.position[1] + (math.sin(theta * side) * self.radius))
+ for side in range(self.sides)]
+ self._vertices = [(((x * self._cos_theta) - (y * self._sin_theta)),
+ ((x * self._sin_theta) + (y * self._cos_theta)))
+ for x, y in vertices]
+ return self._vertices
+
+ @property
+ def width(self):
+ bounding_box = self.bounding_box()
+ return bounding_box[0][1] - bounding_box[0][0]
+
+ def equivalent(self, other, offset):
+ '''
+ Is this the outline the same as the other, ignoring the position offset?
+ '''
+
+ # Quick check if it even makes sense to compare them
+ if type(self) != type(other) or len(self.primitives) != len(other.primitives):
+ return False
+
+ for i in range(0, len(self.primitives)):
+ if not self.primitives[i].equivalent(other.primitives[i], offset):
+ return False
+
+ return True
+
+class Region(Primitive):
+ """
+ """
+
+ def __init__(self, primitives, **kwargs):
+ super(Region, self).__init__(**kwargs)
+ self.primitives = primitives
+ self._to_convert = ['primitives']
+
+ @property
+ def flashed(self):
+ return False
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ xlims, ylims = zip(*[p.bounding_box_no_aperture for p in self.primitives])
+ minx, maxx = zip(*xlims)
+ miny, maxy = zip(*ylims)
+ min_x = min(minx)
+ max_x = max(maxx)
+ min_y = min(miny)
+ max_y = max(maxy)
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ def offset(self, x_offset=0, y_offset=0):
+ self._changed()
+ for p in self.primitives:
+ p.offset(x_offset, y_offset)
+
+
+class RoundButterfly(Primitive):
+ """ A circle with two diagonally-opposite quadrants removed
+ """
+
+ def __init__(self, position, diameter, **kwargs):
+ super(RoundButterfly, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self.position = position
+ self.diameter = diameter
+ self._to_convert = ['position', 'diameter']
+
+ # TODO This does not reset bounding box correctly
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def radius(self):
+ return self.diameter / 2.
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ min_x = self.position[0] - self.radius
+ max_x = self.position[0] + self.radius
+ min_y = self.position[1] - self.radius
+ max_y = self.position[1] + self.radius
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+
+class SquareButterfly(Primitive):
+ """ A square with two diagonally-opposite quadrants removed
+ """
+
+ def __init__(self, position, side, **kwargs):
+ super(SquareButterfly, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self.position = position
+ self.side = side
+ self._to_convert = ['position', 'side']
+
+ # TODO This does not reset bounding box correctly
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ min_x = self.position[0] - (self.side / 2.)
+ max_x = self.position[0] + (self.side / 2.)
+ min_y = self.position[1] - (self.side / 2.)
+ max_y = self.position[1] + (self.side / 2.)
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+
+class Donut(Primitive):
+ """ A Shape with an identical concentric shape removed from its center
+ """
+
+ def __init__(self, position, shape, inner_diameter,
+ outer_diameter, **kwargs):
+ super(Donut, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self.position = position
+ if shape not in ('round', 'square', 'hexagon', 'octagon'):
+ raise ValueError(
+ 'Valid shapes are round, square, hexagon or octagon')
+ self.shape = shape
+ if inner_diameter >= outer_diameter:
+ raise ValueError(
+ 'Outer diameter must be larger than inner diameter.')
+ self.inner_diameter = inner_diameter
+ self.outer_diameter = outer_diameter
+ if self.shape in ('round', 'square', 'octagon'):
+ self.width = outer_diameter
+ self.height = outer_diameter
+ else:
+ # Hexagon
+ self.width = 0.5 * math.sqrt(3.) * outer_diameter
+ self.height = outer_diameter
+
+ self._to_convert = ['position', 'width',
+ 'height', 'inner_diameter', 'outer_diameter']
+
+ # TODO This does not reset bounding box correctly
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def lower_left(self):
+ return (self.position[0] - (self.width / 2.),
+ self.position[1] - (self.height / 2.))
+
+ @property
+ def upper_right(self):
+ return (self.position[0] + (self.width / 2.),
+ self.position[1] + (self.height / 2.))
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = (self.position[0] - (self.width / 2.),
+ self.position[1] - (self.height / 2.))
+ ur = (self.position[0] + (self.width / 2.),
+ self.position[1] + (self.height / 2.))
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+
+class SquareRoundDonut(Primitive):
+ """ A Square with a circular cutout in the center
+ """
+
+ def __init__(self, position, inner_diameter, outer_diameter, **kwargs):
+ super(SquareRoundDonut, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self.position = position
+ if inner_diameter >= outer_diameter:
+ raise ValueError(
+ 'Outer diameter must be larger than inner diameter.')
+ self.inner_diameter = inner_diameter
+ self.outer_diameter = outer_diameter
+ self._to_convert = ['position', 'inner_diameter', 'outer_diameter']
+
+ @property
+ def flashed(self):
+ return True
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ ll = tuple([c - self.outer_diameter / 2. for c in self.position])
+ ur = tuple([c + self.outer_diameter / 2. for c in self.position])
+ self._bounding_box = ((ll[0], ur[0]), (ll[1], ur[1]))
+ return self._bounding_box
+
+
+class Drill(Primitive):
+ """ A drill hole
+ """
+ def __init__(self, position, diameter, **kwargs):
+ super(Drill, self).__init__('dark', **kwargs)
+ validate_coordinates(position)
+ self._position = position
+ self._diameter = diameter
+ self._to_convert = ['position', 'diameter']
+
+ @property
+ def flashed(self):
+ return False
+
+ @property
+ def position(self):
+ return self._position
+
+ @position.setter
+ def position(self, value):
+ self._changed()
+ self._position = value
+
+ @property
+ def diameter(self):
+ return self._diameter
+
+ @diameter.setter
+ def diameter(self, value):
+ self._changed()
+ self._diameter = value
+
+ @property
+ def radius(self):
+ return self.diameter / 2.
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ min_x = self.position[0] - self.radius
+ max_x = self.position[0] + self.radius
+ min_y = self.position[1] - self.radius
+ max_y = self.position[1] + self.radius
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ def offset(self, x_offset=0, y_offset=0):
+ self._changed()
+ self.position = tuple(map(add, self.position, (x_offset, y_offset)))
+
+ def __str__(self):
+ return '<Drill %f %s (%f, %f)>' % (self.diameter, self.units, self.position[0], self.position[1])
+
+
+class Slot(Primitive):
+ """ A drilled slot
+ """
+ def __init__(self, start, end, diameter, **kwargs):
+ super(Slot, self).__init__('dark', **kwargs)
+ validate_coordinates(start)
+ validate_coordinates(end)
+ self.start = start
+ self.end = end
+ self.diameter = diameter
+ self._to_convert = ['start', 'end', 'diameter']
+
+
+ @property
+ def flashed(self):
+ return False
+
+ @property
+ def bounding_box(self):
+ if self._bounding_box is None:
+ radius = self.diameter / 2.
+ min_x = min(self.start[0], self.end[0]) - radius
+ max_x = max(self.start[0], self.end[0]) + radius
+ min_y = min(self.start[1], self.end[1]) - radius
+ max_y = max(self.start[1], self.end[1]) + radius
+ self._bounding_box = ((min_x, max_x), (min_y, max_y))
+ return self._bounding_box
+
+ def offset(self, x_offset=0, y_offset=0):
+ self.start = tuple(map(add, self.start, (x_offset, y_offset)))
+ self.end = tuple(map(add, self.end, (x_offset, y_offset)))
+
+
+class TestRecord(Primitive):
+ """ Netlist Test record
+ """
+
+ def __init__(self, position, net_name, layer, **kwargs):
+ super(TestRecord, self).__init__(**kwargs)
+ validate_coordinates(position)
+ self.position = position
+ self.net_name = net_name
+ self.layer = layer
+ self._to_convert = ['position']
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