def __init__(self, center, major, minor, angle, st=None, lt=None, col=None, t=None, **kw):
_cp = center
if not isinstance(_cp, point._Point):
_cp = point.Point(center)
_major = util.get_float(major)
if not _major > 0.0:
raise ValueError, "Invalid major axis value: %g" % _major
_minor = util.get_float(minor)
if not _minor > 0.0:
raise ValueError, "Invalid minor axis value: %g" % _minor
if _minor > _major:
raise ValueError, "Minor axis must be less than major axis"
_angle = util.make_angle(angle)
_st = st
if _st is None:
_st = self.getDefaultStyle()
super(Ellipse, self).__init__(_st, lt, col, t, **kw)
self.__center = _cp
self.__major = _major
self.__minor = _minor
self.__angle = _angle
_cp.storeUser(self)
_cp.connect("moved", self.__movePoint)
_cp.connect("change_pending", self.__pointChangePending)
_cp.connect("change_complete", self.__pointChangeComplete)
def __init__(self,
center,
major,
minor,
angle,
st=None,
lt=None,
col=None,
t=None,
**kw):
_cp = center
if not isinstance(_cp, point._Point):
_cp = point.Point(center)
_major = util.get_float(major)
if not _major > 0.0:
raise ValueError, "Invalid major axis value: %g" % _major
_minor = util.get_float(minor)
if not _minor > 0.0:
raise ValueError, "Invalid minor axis value: %g" % _minor
if _minor > _major:
raise ValueError, "Minor axis must be less than major axis"
_angle = util.make_angle(angle)
_st = st
if _st is None:
_st = self.getDefaultStyle()
super(Ellipse, self).__init__(_st, lt, col, t, **kw)
self.__center = _cp
self.__major = _major
self.__minor = _minor
self.__angle = _angle
_cp.storeUser(self)
_cp.connect('moved', self.__movePoint)
_cp.connect('change_pending', self.__pointChangePending)
_cp.connect('change_complete', self.__pointChangeComplete)
def acline_entry_make_angle(gtkimage, widget, tool):
_entry = gtkimage.getEntry()
_text = _entry.get_text()
_entry.delete_text(0,-1)
if len(_text):
_angle = util.make_angle(eval(_text, gtkimage.image.getImageVariables()))
tool.setAngle(_angle)
gtkentities.create_entity(gtkimage)
def acline_entry_make_angle(gtkimage, widget, tool):
_entry = gtkimage.getEntry()
_text = _entry.get_text()
_entry.delete_text(0, -1)
if len(_text):
_angle = util.make_angle(
eval(_text, gtkimage.image.getImageVariables()))
tool.setAngle(_angle)
gtkentities.create_entity(gtkimage)
def __init__(self, p, a, **kw):
"""Initialize an ACLine object.
ACLine(p, a)
p: A Point object the line passes through
a: The angle at which the line rises or declines
"""
_a = util.make_angle(a)
_p = p
if not isinstance(p, point.Point):
_p = point.Point(p)
super(ACLine, self).__init__(**kw)
self.__keypoint = _p
self.__angle = _a
_p.storeUser(self)
_p.connect('moved', self.__movePoint)
_p.connect('change_pending', self.__pointChangePending)
_p.connect('change_complete', self.__pointChangeComplete)
def rotate(self, angle):
"""Rotate an Ellipse
rotate(angle)
Argument 'angle' should be a float.
"""
if self.isLocked():
raise RuntimeError, "Rotating object not allowed - object locked."
_angle = util.get_float(angle)
if abs(_angle) > 1e-10:
_cur = self.__angle
_new = util.make_angle(_angle + _cur)
self.startChange('angle_changed')
self.__angle = _new
self.endChange('angle_changed')
self.sendMessage('angle_changed', _cur)
_x, _y = self.__center.getCoords()
self.sendMessage('moved', _x, _y, self.__major, self.__minor, _cur)
self.modified()
def setAngle(self, angle):
"""
setAngle(angle)
The argument a should be a float representing the angle
of the ACLine in degrees.
"""
if self.isLocked():
raise RuntimeError, "Setting angle not allowed - object locked."
_a = util.make_angle(angle)
_oa = self.__angle
if abs(_a - _oa) > 1e-10:
self.startChange('rotated')
self.__angle = _a
self.endChange('rotated')
self.sendMessage('rotated', _oa)
_x, _y = self.__keypoint.getCoords()
self.sendMessage('moved', _x, _y, _oa)
self.modified()
def rotate(self, angle):
"""Rotate an Ellipse
rotate(angle)
Argument 'angle' should be a float.
"""
if self.isLocked():
raise RuntimeError, "Rotating object not allowed - object locked."
_angle = util.get_float(angle)
if abs(_angle) > 1e-10:
_cur = self.__angle
_new = util.make_angle(_angle + _cur)
self.startChange("angle_changed")
self.__angle = _new
self.endChange("angle_changed")
self.sendMessage("angle_changed", _cur)
_x, _y = self.__center.getCoords()
self.sendMessage("moved", _x, _y, self.__major, self.__minor, _cur)
self.modified()
def setAngle(self, angle):
"""Set the Ellipse major axis angle.
setAngle(angle)
Argument 'angle' should be a float. The value will be
adjusted so the angle will be defined from 90.0 to -90.0.
"""
if self.isModified():
raise RuntimeError, "Setting angle not allowed - object locked."
_angle = util.make_angle(angle)
_a = self.__angle
if abs(_a - _angle) > 1e-10:
self.startChange("angle_changed")
self.__angle = _angle
self.endChange("angle_changed")
self.sendMessage("angle_changed", _a)
_x, _y = self.__center.getCoords()
self.sendMessage("moved", _x, _y, self.__major, self.__minor, _angle)
self.modified()
def setAngle(self, angle):
"""Set the Ellipse major axis angle.
setAngle(angle)
Argument 'angle' should be a float. The value will be
adjusted so the angle will be defined from 90.0 to -90.0.
"""
if self.isModified():
raise RuntimeError, "Setting angle not allowed - object locked."
_angle = util.make_angle(angle)
_a = self.__angle
if abs(_a - _angle) > 1e-10:
self.startChange('angle_changed')
self.__angle = _angle
self.endChange('angle_changed')
self.sendMessage('angle_changed', _a)
_x, _y = self.__center.getCoords()
self.sendMessage('moved', _x, _y, self.__major, self.__minor,
_angle)
self.modified()
def find(self, *args):
_alen = len(args)
if _alen < 3:
raise ValueError, "Invalid argument count: %d" % _alen
_x = util.get_float(args[0])
_y = util.get_float(args[1])
_angle = util.make_angle(args[2])
_t = tolerance.TOL
if _alen > 3:
_t = tolerance.toltest(args[3])
_xmin = _x - _t
_xmax = _x + _t
_ymin = _y - _t
_ymax = _y + _t
_aclines = []
for _acl in self.getInRegion(_xmin, _ymin, _xmax, _ymax):
_ax, _ay = _acl.getLocation().getCoords()
if ((abs(_ax - _x) < _t) and
(abs(_ay - _y) < _t) and
(abs(_acl.getAngle() - _angle) < 1e-10)):
_aclines.append(_acl)
return _aclines
