def _calcEdgeLines(self):
h_hpad = self.width_pad / 2
h_vpad = self.height_pad / 2
for eid, n1, n2, einfo in self.graph.getEdges():
pre_lines = []
post_lines = []
pinfo = self.graph.getNodeProps(n1)
kinfo = self.graph.getNodeProps(n2)
pwidth, pheight = pinfo.get('size', (0,0))
pweight = pinfo.get('weight')
lheight = self.lheights[pweight]
voffset = lheight - pheight
if einfo.get('looptop'):
x1, y1 = vg_layout.entry_pos(pinfo)
x2, y2 = vg_layout.entry_pos(kinfo)
xhalf = (x1 - x2) / 2
b = [ (x1, y1),
(x1, y1 - h_vpad),
(x2, y2 - h_vpad),
(x2, y2),
]
elif einfo.get('loopbot'):
x1, y1 = vg_layout.exit_pos(pinfo)
x2, y2 = vg_layout.exit_pos(kinfo)
kwidth, kheight = kinfo.get('size', (0,0))
kweight = kinfo.get('weight')
klheight = self.lheights[kweight]
kvoffset = klheight - kheight
pre_lines = [(x1, y1), (x1, y1 + voffset)]
post_lines = [(x2, y2), (x2, y2 + kvoffset)]
b = [ (x1, y1 + voffset),
(x1, y1 + voffset + h_vpad),
(x2, y2 + kvoffset + h_vpad),
(x2, y2 + kvoffset),
]
else:
x1, y1 = vg_layout.exit_pos(pinfo)
x2, y2 = vg_layout.entry_pos(kinfo)
pre_lines = [(x1,y1), (x1, y1 + voffset)]
b = [ (x1, y1 + voffset),
(x1, y1 + voffset + h_vpad),
(x2, y2 - h_vpad),
(x2, y2),
]
bez_lines = vg_bezier.calculate_bezier(b, 20)
einfo['edge_points'] = pre_lines + bez_lines + post_lines
def _calcEdgeLines(self):
h_hpad = self.width_pad / 2
h_vpad = self.height_pad / 2
for eid, n1, n2, einfo in self.graph.getEdges():
pre_lines = []
post_lines = []
pinfo = self.graph.getNodeProps(n1)
kinfo = self.graph.getNodeProps(n2)
pwidth, pheight = pinfo.get('size', (0,0))
pweight = pinfo.get('weight')
lheight = self.lheights[pweight]
voffset = lheight - pheight
if einfo.get('looptop'):
x1, y1 = vg_layout.entry_pos(pinfo)
x2, y2 = vg_layout.entry_pos(kinfo)
xhalf = (x1 - x2) / 2
b = [ (x1, y1),
(x1, y1 - h_vpad),
(x2, y2 - h_vpad),
(x2, y2),
]
elif einfo.get('loopbot'):
x1, y1 = vg_layout.exit_pos(pinfo)
x2, y2 = vg_layout.exit_pos(kinfo)
kwidth, kheight = kinfo.get('size', (0,0))
kweight = kinfo.get('weight')
klheight = self.lheights[kweight]
kvoffset = klheight - kheight
pre_lines = [(x1, y1), (x1, y1 + voffset)]
post_lines = [(x2, y2), (x2, y2 + kvoffset)]
b = [ (x1, y1 + voffset),
(x1, y1 + voffset + h_vpad),
(x2, y2 + kvoffset + h_vpad),
(x2, y2 + kvoffset),
]
else:
x1, y1 = vg_layout.exit_pos(pinfo)
x2, y2 = vg_layout.entry_pos(kinfo)
pre_lines = [(x1,y1), (x1, y1 + voffset)]
b = [ (x1, y1 + voffset),
(x1, y1 + voffset + h_vpad),
(x2, y2 - h_vpad),
(x2, y2),
]
bez_lines = vg_bezier.calculate_bezier(b, 20)
einfo['edge_points'] = pre_lines + bez_lines + post_lines