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import sys
from pivy.qt.QtWidgets import QApplication
from pivy.qt.QtGui import QColor
from pivy import quarter, coin, graphics, utils
class ConnectionMarker(graphics.Marker):
def __init__(self, points):
super(ConnectionMarker, self).__init__(points, True)
class ConnectionPolygon(graphics.Polygon):
std_col = "green"
def __init__(self, markers):
super(ConnectionPolygon, self).__init__(
sum([m.points for m in markers], []), True)
self.markers = markers
for m in self.markers:
m.on_drag.append(self.update_polygon)
def update_polygon(self):
self.points = sum([m.points for m in self.markers], [])
@property
def drag_objects(self):
return self.markers
def check_dependency(self):
if any([m._delete for m in self.markers]):
self.delete()
class ConnectionLine(graphics.Line):
def __init__(self, markers):
super(ConnectionLine, self).__init__(
sum([m.points for m in markers], []), True)
self.markers = markers
for m in self.markers:
m.on_drag.append(self.update_line)
def update_line(self):
self.points = sum([m.points for m in self.markers], [])
@property
def drag_objects(self):
return self.markers
def check_dependency(self):
if any([m._delete for m in self.markers]):
self.delete()
def main():
app = QApplication(sys.argv)
utils.addMarkerFromSvg("test.svg", "CUSTOM_MARKER", 40)
viewer = quarter.QuarterWidget()
root = graphics.InteractionSeparator(viewer.sorendermanager)
root.pick_radius = 40
m1 = ConnectionMarker([[-1, -1, -1]])
m2 = ConnectionMarker([[-1, 1, -1]])
m3 = ConnectionMarker([[ 1, 1, -1]])
m4 = ConnectionMarker([[ 1, -1, -1]])
m5 = ConnectionMarker([[-1, -1, 1]])
m6 = ConnectionMarker([[-1, 1, 1]])
m7 = ConnectionMarker([[ 1, 1, 1]])
m8 = ConnectionMarker([[ 1, -1, 1]])
points = [m1, m2, m3, m4, m5, m6, m7, m8]
l01 = ConnectionLine([m1, m2])
l02 = ConnectionLine([m2, m3])
l03 = ConnectionLine([m3, m4])
l04 = ConnectionLine([m4, m1])
l05 = ConnectionLine([m5, m6])
l06 = ConnectionLine([m6, m7])
l07 = ConnectionLine([m7, m8])
l08 = ConnectionLine([m8, m5])
l09 = ConnectionLine([m1, m5])
l10 = ConnectionLine([m2, m6])
l11 = ConnectionLine([m3, m7])
l12 = ConnectionLine([m4, m8])
lines = [l01, l02, l03, l04, l05, l06, l07, l08, l09, l10, l11, l12]
p1 = ConnectionPolygon([m1, m2, m3, m4])
p2 = ConnectionPolygon([m8, m7, m6, m5])
p3 = ConnectionPolygon([m5, m6, m2, m1])
p4 = ConnectionPolygon([m6, m7, m3, m2])
p5 = ConnectionPolygon([m7, m8, m4, m3])
p6 = ConnectionPolygon([m8, m5, m1, m4])
polygons = [p1, p2, p3, p4, p5, p6]
root += points + lines + polygons
root.register()
viewer.setSceneGraph(root)
viewer.setBackgroundColor(QColor(255, 255, 255))
viewer.setWindowTitle("minimal")
viewer.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
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