def draw(self, canvas):
x, y = canvas.pos_to_pixel(self.x, self.y)
if self.valid:
canvas.dc.SetPen(wx.Pen(self.dark_color, 2,
wx.DOT))
else:
canvas.dc.SetPen(wx.Pen(wx.Colour(255, 0, 0), 2,
wx.DOT))
canvas.dc.DrawLine(x-200, y, x+200, y)
Transform.draw(self, canvas)
def draw(self, canvas):
dy = self.amount.y - self.y
dx = self.amount.x - self.x
if self.valid:
canvas.dc.SetPen(wx.Pen(self.dark_color, 2,
wx.DOT))
else:
canvas.dc.SetPen(wx.Pen(wx.Colour(255, 0, 0), 2,
wx.DOT))
x0, y0 = canvas.pos_to_pixel(self.x, self.y - dy)
x1, y1 = canvas.pos_to_pixel(self.x, self.y + dy)
offset = canvas.pos_to_pixel(dx)
canvas.dc.DrawLine(x0, y0, x1, y1)
canvas.dc.DrawLine(x0, y0, x0-offset, y0)
canvas.dc.DrawLine(x1, y1, x1+offset, y1)
canvas.dc.DrawLine(x0-offset, y0, x1+offset, y1)
Transform.draw(self, canvas)