def draw(self, canvas):
''' Draws a free point on the canvas.
The point is drawn with small handles showing the axes along
which it can be dragged.
'''
x, y = canvas.pos_to_pixel(self.x, self.y)
dark_grey = (60, 60, 60)
light_grey = (100, 100, 100)
# If the vertex is being dragged, draw small
# arrows to show in which ways it is free
if self.valid and (self.dragging or self.hover):
canvas.SetPen(self.light_color if self._x_free else light_grey, 8)
canvas.dc.DrawLine(x-10, y, x+10, y)
canvas.SetPen(self.light_color if self._y_free else light_grey, 8)
canvas.dc.DrawLine(x, y-10, x, y+10)
canvas.SetPen(self.dark_color if self._x_free else dark_grey, 4)
canvas.dc.DrawLine(x-10, y, x+10, y)
canvas.SetPen(self.dark_color if self._y_free else dark_grey, 4)
canvas.dc.DrawLine(x, y-10, x, y+10)
Point.draw(self, canvas)
def draw(self, canvas):
x, y = canvas.pos_to_pixel(self.x, self.y)
dark_grey = (60, 60, 60)
light_grey = (100, 100, 100)
if self.valid:
canvas.SetPen(self.dark_color, 4, wx.LONG_DASH)
canvas.SetBrush(self.dark_color)
self.arrow_from(self.parent)
if self.valid and (self.dragging or self.hover):
x0 = x - math.cos(self.angle)*10
x1 = x + math.cos(self.angle)*10
y0 = y + math.sin(self.angle)*10
y1 = y - math.sin(self.angle)*10
if self._offset_free:
canvas.SetPen(self.light_color, 8)
canvas.dc.DrawLine(x0, y0, x1, y1)
canvas.SetPen(self.dark_color, 4)
canvas.dc.DrawLine(x0, y0, x1, y1)
else:
canvas.SetPen(light_grey, 8)
canvas.dc.DrawLine(x0, y0, x1, y1)
canvas.SetPen(dark_grey, 4)
canvas.dc.DrawLine(x0, y0, x1, y1)
Point.draw(self, canvas)
def __init__(self, name, x, y, angle=0, value=''):
Point.__init__(self, name)
self.create_evaluators(x=(x, float), y=(y, float),
angle=(angle, float))
self.parameters['value'] = StrEvaluator(self, value)
self.pads = {}
self._i = 1
self.priority = 1
self.light_color = (0, 255, 0)
self.dark_color = (0, 150, 0)
def __init__(self, name='perp', parent='parent', perp='perp', offset=0.0):
Point.__init__(self, name)
self.create_evaluators(parent=(parent, Point),
perp=(perp, Point),
offset=(offset, float))
def __init__(self, name='free_point', x=0, y=0):
Point.__init__(self, name)
self.create_evaluators(x=(x, float), y=(y, float))
def __init__(self, name='linked_point', parent='', dx=0, dy=0):
Point.__init__(self, name)
self.create_evaluators(dx=(dx, float),
dy=(dy, float),
parent=(parent, Point))
