def draw(self, cairo):
"""
:param cairo:
"""
self._compute_headarrow()
# Repaint arrow
GArrow.draw(self, cairo)
def draw(self, cairo):
"""
:param cairo:
"""
self._compute_headarrow()
# Repaint arrow
GArrow.draw(self, cairo)
def on_drawing_area_draw(self, drawing_area, cairo):
"""
Draw on the drawing area!
"""
# Sacale
cairo.scale(self._scale, self._scale)
# Translate
tx = self._translation[0] + self._last_translation[0]
ty = self._translation[1] + self._last_translation[1]
cairo.translate(tx, ty)
# print self._translation, self._last_translation
# Get transformation
self._transform = cairo.get_matrix()
self._transform.invert()
#### Drawing ####
# Background
cairo.set_source_rgb(*color.white)
cairo.rectangle(-10000, -10000, 100000, 1000000)
cairo.fill()
# Dynamic arrow
if not self.button_pressed and \
self.dynamic_arrow is not None:
p = GPoint(*self.mouse_position)
GArrow(self.dynamic_arrow, p, headarrow_d=0).draw(cairo)
# show objects
for o in self.objects_to_show:
o.draw(cairo)
def _draw_mode_edit(self):
## Configure drawer
vl = self.vertex_locations
# Graphic elements
gelements = list(self.background_gobjs)
# Edges
for e in self.disc_bn.get_edges():
arrow = GArrow(self.vertex_locations[e[0]], self.vertex_locations[e[1]])
if e == self.selected_edge:
arrow.selected = True
gelements.append(arrow)
# Vertices
for vname, p in vl.items():
v = GVertex(p, vname)
v.translatable = True
if self.selected_vertex == vname:
v.selected = True
gelements.append(v)
self.drawer.set_graphic_objects(gelements)
self.drawer.repaint()
def _draw_mode_edit(self):
## Configure drawer
vl = self.vertex_locations
# Graphic elements
gelements = list(self.background_gobjs)
# Edges
for e in self.disc_bn.get_edges():
arrow = GArrow(self.vertex_locations[e[0]],
self.vertex_locations[e[1]])
if e == self.selected_edge:
arrow.selected = True
gelements.append(arrow)
# Vertices
for vname, p in vl.items():
v = GVertex(p, vname)
v.translatable = True
if self.selected_vertex == vname:
v.selected = True
gelements.append(v)
self.drawer.set_graphic_objects(gelements)
self.drawer.repaint()