def test_repaint_after_visible_change(self):
self.model = LayerStackModel()
self.o1 = Layer([])
self.o1.name = "Fancy Layer"
self.o1.opacity = 0.5
self.model.append(self.o1)
self.o2 = Layer([])
self.o2.name = "Some other Layer"
self.o2.opacity = 0.25
self.model.append(self.o2)
self.view = LayerWidget(None, self.model)
self.view.show()
self.view.updateGeometry()
self.w = QWidget()
self.lh = QHBoxLayout(self.w)
self.lh.addWidget(self.view)
self.w.setGeometry(100, 100, 300, 300)
self.w.show()
self.w.raise_()
# Run the test within the GUI event loop
QTimer.singleShot(500, self.impl)
self.app.exec_()
# Were there errors?
assert not TestLayerWidget.errors, "There were GUI errors/failures. See above."
def setUp(self):
self.l1 = Layer([])
self.l1.name = "l1"
self.l2 = Layer([])
self.l2.name = "l2"
self.l3 = Layer([])
self.l3.name = "l3"
def setUp(self):
self.l1 = Layer([])
self.l1.name = 'l1'
self.l2 = Layer([])
self.l2.name = 'l2'
self.l3 = Layer([])
self.l3.name = 'l3'
def insertRows(self, row, count, parent=QModelIndex()):
'''Insert empty rows in the stack.
DO NOT USE THIS METHOD TO INSERT NEW LAYERS!
Always use the insert() or append() method.
'''
if parent.isValid():
return False
oldRowCount = self.rowCount()
#for some reason, row can be negative!
beginRow = max(0, row)
endRow = min(beginRow + count - 1, len(self._layerStack))
self.beginInsertRows(parent, beginRow, endRow)
while (beginRow <= endRow):
self._layerStack.insert(row, Layer(datasources=[]))
beginRow += 1
self.endInsertRows()
assert self.rowCount(
) == oldRowCount + 1, "oldRowCount = %d, self.rowCount() = %d" % (
oldRowCount, self.rowCount())
return True
def addRandomLayer():
o = Layer()
o.name = "Layer %d" % (model.rowCount()+1)
o.opacity = numpy.random.rand()
o.visible = bool(numpy.random.randint(0,2))
model.append(o)
if __name__ == "__main__":
#make the program quit on Ctrl+C
import signal
signal.signal(signal.SIGINT, signal.SIG_DFL)
import sys, numpy
from PyQt4.QtGui import QApplication, QPushButton, QHBoxLayout, QVBoxLayout
from volumina.pixelpipeline.datasources import ArraySource
app = QApplication(sys.argv)
model = LayerStackModel()
o1 = Layer()
o1.name = "Fancy Layer"
o1.opacity = 0.5
model.append(o1)
o2 = Layer()
o2.name = "Some other Layer"
o2.opacity = 0.25
model.append(o2)
o3 = Layer()
o3.name = "Invisible Layer"
o3.opacity = 0.15
o3.visible = False
model.append(o3)
def addRandomLayer():
o = Layer([ConstantSource()])
o.name = "Layer %d" % (model.rowCount() + 1)
o.opacity = numpy.random.rand()
o.visible = bool(numpy.random.randint(0, 2))
model.append(o)
if __name__ == "__main__":
# make the program quit on Ctrl+C
import signal
signal.signal(signal.SIGINT, signal.SIG_DFL)
import sys, numpy
from PyQt5.QtWidgets import QPushButton, QHBoxLayout, QVBoxLayout
from volumina.pixelpipeline.datasources import ArraySource, ConstantSource
app = QApplication(sys.argv)
model = LayerStackModel()
o1 = Layer([ConstantSource()])
o1.name = "Fancy Layer"
o1.opacity = 0.5
model.append(o1)
o2 = Layer([ConstantSource()])
o2.name = "Some other Layer"
o2.opacity = 0.25
o2.numberOfChannels = 3
model.append(o2)
o3 = Layer([ConstantSource()])
o3.name = "Invisible Layer"
o3.opacity = 0.15
o3.visible = False
model.append(o3)
