def fit(self):
bbox = defaults.BBox(None, None, None, None)
for child in self.children:
bbox += child.bbox()
if self.xmin is not None:
bbox.xmin = self.xmin
if self.xmax is not None:
bbox.xmax = self.xmax
if self.ymin is not None:
bbox.ymin = self.ymin
if self.ymax is not None:
bbox.ymax = self.ymax
self.trans = trans.window(bbox.xmin,
bbox.xmax,
bbox.ymin,
bbox.ymax,
x=self.x,
y=self.y,
width=self.width,
height=self.height,
xlogbase=self.xlogbase,
ylogbase=self.ylogbase,
minusInfinityX=(self.x - 10. * self.width),
minusInfinityY=(self.y - 10. * self.height),
flipx=self.flipx,
flipy=self.flipy)
def bbox(self):
if self.tag is not None:
tonumber_tag = getattr(defaults, "tonumber_%s" % self.tag, None)
if tonumber_tag is not None: tonumber_tag(self)
bbox_tag = getattr(defaults, "bbox_%s" % self.tag, None)
if bbox_tag is not None:
output = bbox_tag(self)
else:
output = defaults.BBox(None, None, None, None)
for child in self.children:
if isinstance(child, SVG): output += child.bbox()
return output
def bbox(self):
return defaults.BBox(self.x, self.x + self.width, self.y,
self.y + self.height)
def bbox(pathdata):
x, y = None, None
output = defaults.BBox(None, None, None, None)
for datum in pathdata:
if not isinstance(datum, (tuple, list)):
raise TypeError, "Pathdata elements must be lists/tuples"
command = datum[0]
args = datum[1:]
######################
if command in ("Z", "z"):
pass
######################
elif command in ("H", "h", "V", "v"):
num1 = args[0]
if command == "H" or (command == "h" and x is None):
x = num1
elif command == "h":
x += num1
elif command == "V" or (command == "v" and y is None):
y = num1
elif command == "v":
y += num1
output.insert(x, y)
######################
elif command in ("M", "m", "L", "l", "T", "t"):
num1, num2 = args
if command.isupper() or x is None or y is None:
x, y = num1, num2
else:
x += num1
y += num2
output.insert(x, y)
######################
elif command in ("S", "s", "Q", "q"):
num1, num2, num3, num4 = args
if command.isupper() or x is None or y is None:
cx, cy = num1, num2
else:
cx = x + num1
cy = y + num2
if command.isupper() or x is None or y is None:
x, y = num3, num4
else:
x += num3
y += num4
output.insert(x, y)
######################
elif command in ("C", "c"):
num1, num2, num3, num4, num5, num6 = args
if command.isupper() or x is None or y is None:
c1x, c1y = num1, num2
else:
c1x = x + num1
c1y = y + num2
if command.isupper() or x is None or y is None:
c2x, c2y = num3, num4
else:
c2x = x + num3
c2y = y + num4
if command.isupper() or x is None or y is None:
x, y = num5, num6
else:
x += num5
y += num6
output.insert(x, y)
######################
elif command in ("A", "a"):
num1, num2, angle, large_arc_flag, sweep_flag, num3, num4 = args
oldx, oldy = x, y
if command.isupper() or x is None or y is None:
x, y = num3, num4
else:
x += num3
y += num4
if x is not None and y is not None:
centerx, centery = (x + oldx) / 2., (y + oldy) / 2.
output.insert(x, y)
return output
