def create_scene(self):
self.scene_created = True
self.pm1 = Pixmap(self)
self.pm2 = Pixmap(self)
self.pm3 = Pixmap(self)
self.scene.addItem(self.pm1.pixmap_item)
self.scene.addItem(self.pm2.pixmap_item)
self.scene.addItem(self.pm3.pixmap_item)
# animation
self.machine = QtCore.QStateMachine()
self.state1 = QtCore.QState()
self.state2 = QtCore.QState()
self.state3 = QtCore.QState()
self.state1.assignProperty(self.pm1, 'pos', QtCore.QPoint(0, 0))
self.state1.assignProperty(self.pm1, 'opacity', 1)
self.state2.assignProperty(self.pm1, 'pos', QtCore.QPoint(-255, 0))
self.state2.assignProperty(self.pm1, 'opacity', 0)
self.state3.assignProperty(self.pm1, 'pos', QtCore.QPoint(255, 0))
self.state3.assignProperty(self.pm1, 'opacity', 0)
self.state1.assignProperty(self.pm2, 'pos', QtCore.QPoint(255, 0))
self.state1.assignProperty(self.pm2, 'opacity', 0)
self.state2.assignProperty(self.pm2, 'pos', QtCore.QPoint(0, 0))
self.state2.assignProperty(self.pm2, 'opacity', 1)
self.state3.assignProperty(self.pm2, 'pos', QtCore.QPoint(-255, 0))
self.state3.assignProperty(self.pm2, 'opacity', 0)
self.state1.assignProperty(self.pm3, 'pos', QtCore.QPoint(-255, 0))
self.state1.assignProperty(self.pm3, 'opacity', 0)
self.state2.assignProperty(self.pm3, 'pos', QtCore.QPoint(255, 0))
self.state2.assignProperty(self.pm3, 'opacity', 0)
self.state3.assignProperty(self.pm3, 'pos', QtCore.QPoint(0, 0))
self.state3.assignProperty(self.pm3, 'opacity', 1)
self.pm1_anm = QtCore.QPropertyAnimation(self.pm1, 'pos', self)
self.pm1_anm.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm1_anm.setDuration(300)
self.pm1_anm_o = QtCore.QPropertyAnimation(self.pm1, 'opacity', self)
self.pm1_anm_o.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm1_anm_o.setDuration(200)
self.pm2_anm = QtCore.QPropertyAnimation(self.pm2, 'pos', self)
self.pm2_anm.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm2_anm.setDuration(300)
self.pm2_anm_o = QtCore.QPropertyAnimation(self.pm2, 'opacity', self)
self.pm2_anm_o.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm2_anm_o.setDuration(200)
self.pm3_anm = QtCore.QPropertyAnimation(self.pm3, 'pos', self)
self.pm3_anm.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm3_anm.setDuration(300)
self.pm3_anm_o = QtCore.QPropertyAnimation(self.pm3, 'opacity', self)
self.pm3_anm_o.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm3_anm_o.setDuration(200)
self.t4 = self.state1.addTransition(self.value_decreased, self.state3)
self.t4.addAnimation(self.pm1_anm)
self.t4.addAnimation(self.pm1_anm_o)
self.t4.addAnimation(self.pm2_anm)
self.t4.addAnimation(self.pm2_anm_o)
self.t4.addAnimation(self.pm3_anm)
self.t4.addAnimation(self.pm3_anm_o)
self.t5 = self.state2.addTransition(self.value_decreased, self.state1)
self.t5.addAnimation(self.pm1_anm)
self.t5.addAnimation(self.pm1_anm_o)
self.t5.addAnimation(self.pm2_anm)
self.t5.addAnimation(self.pm2_anm_o)
self.t5.addAnimation(self.pm3_anm)
self.t5.addAnimation(self.pm3_anm_o)
self.t6 = self.state3.addTransition(self.value_decreased, self.state2)
self.t6.addAnimation(self.pm1_anm)
self.t6.addAnimation(self.pm1_anm_o)
self.t6.addAnimation(self.pm2_anm)
self.t6.addAnimation(self.pm2_anm_o)
self.t6.addAnimation(self.pm3_anm)
self.t6.addAnimation(self.pm3_anm_o)
self.t1 = self.state1.addTransition(self.value_increased, self.state2)
self.t1.addAnimation(self.pm1_anm)
self.t1.addAnimation(self.pm1_anm_o)
self.t1.addAnimation(self.pm2_anm)
self.t1.addAnimation(self.pm2_anm_o)
self.t1.addAnimation(self.pm3_anm)
self.t1.addAnimation(self.pm3_anm_o)
self.t2 = self.state2.addTransition(self.value_increased, self.state3)
self.t2.addAnimation(self.pm1_anm)
self.t2.addAnimation(self.pm1_anm_o)
self.t2.addAnimation(self.pm2_anm)
self.t2.addAnimation(self.pm2_anm_o)
self.t2.addAnimation(self.pm3_anm)
self.t2.addAnimation(self.pm3_anm_o)
self.t3 = self.state3.addTransition(self.value_increased, self.state1)
self.t3.addAnimation(self.pm1_anm)
self.t3.addAnimation(self.pm1_anm_o)
self.t3.addAnimation(self.pm2_anm)
self.t3.addAnimation(self.pm2_anm_o)
self.t3.addAnimation(self.pm3_anm)
self.t3.addAnimation(self.pm3_anm_o)
# initial fill
if self.pix_list:
self.pm_list = [self.pm1, self.pm2, self.pm3]
for i, pm in enumerate(self.pm_list):
pixmap = Qt4Gui.QPixmap(self.pix_list[i % len(self.pix_list)])
if not pixmap.isNull():
pm.add_pixmap(pixmap.scaledToWidth(640, QtCore.Qt.SmoothTransformation))
self.previewGraphicsView.setSceneRect(self.pm1.pixmap_item.boundingRect())
self.previewGraphicsView.fitInView(self.pm1.pixmap_item.boundingRect(), QtCore.Qt.KeepAspectRatio)
self.imagesSlider.setValue(0)
if not self.machine.isRunning():
self.machine.addState(self.state1)
self.machine.addState(self.state2)
self.machine.addState(self.state3)
self.machine.setInitialState(self.state1)
self.machine.start()
def create_scene(self):
self.scene.clear()
# self.scene.setBackgroundBrush(QtCore.Qt.black)
self.pm1 = Pixmap()
self.pm2 = Pixmap()
self.pm3 = Pixmap()
self.scene.addItem(self.pm1.pixmap_item)
self.scene.addItem(self.pm2.pixmap_item)
self.scene.addItem(self.pm3.pixmap_item)
# animation
self.machine = QtCore.QStateMachine()
self.state1 = QtCore.QState(self.machine)
self.state2 = QtCore.QState(self.machine)
self.state3 = QtCore.QState(self.machine)
self.state1.assignProperty(self.pm1, 'pos', QtCore.QPoint(0, 0))
self.state1.assignProperty(self.pm1, 'opacity', 1)
self.state2.assignProperty(self.pm1, 'pos', QtCore.QPoint(-255, 0))
self.state2.assignProperty(self.pm1, 'opacity', 0)
self.state3.assignProperty(self.pm1, 'pos', QtCore.QPoint(255, 0))
self.state3.assignProperty(self.pm1, 'opacity', 0)
self.state1.assignProperty(self.pm2, 'pos', QtCore.QPoint(255, 0))
self.state1.assignProperty(self.pm2, 'opacity', 0)
self.state2.assignProperty(self.pm2, 'pos', QtCore.QPoint(0, 0))
self.state2.assignProperty(self.pm2, 'opacity', 1)
self.state3.assignProperty(self.pm2, 'pos', QtCore.QPoint(-255, 0))
self.state3.assignProperty(self.pm2, 'opacity', 0)
self.state1.assignProperty(self.pm3, 'pos', QtCore.QPoint(-255, 0))
self.state1.assignProperty(self.pm3, 'opacity', 0)
self.state2.assignProperty(self.pm3, 'pos', QtCore.QPoint(255, 0))
self.state2.assignProperty(self.pm3, 'opacity', 0)
self.state3.assignProperty(self.pm3, 'pos', QtCore.QPoint(0, 0))
self.state3.assignProperty(self.pm3, 'opacity', 1)
self.machine.setInitialState(self.state1)
self.pm1_anm = QtCore.QPropertyAnimation(self.pm1, 'pos', self)
self.pm1_anm.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm1_anm.setDuration(300)
self.pm1_anm_o = QtCore.QPropertyAnimation(self.pm1, 'opacity', self)
self.pm1_anm_o.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm1_anm_o.setDuration(200)
self.pm2_anm = QtCore.QPropertyAnimation(self.pm2, 'pos', self)
self.pm2_anm.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm2_anm.setDuration(300)
self.pm2_anm_o = QtCore.QPropertyAnimation(self.pm2, 'opacity', self)
self.pm2_anm_o.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm2_anm_o.setDuration(200)
self.pm3_anm = QtCore.QPropertyAnimation(self.pm3, 'pos', self)
self.pm3_anm.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm3_anm.setDuration(300)
self.pm3_anm_o = QtCore.QPropertyAnimation(self.pm3, 'opacity', self)
self.pm3_anm_o.setEasingCurve(QtCore.QEasingCurve.OutExpo)
self.pm3_anm_o.setDuration(200)
self.t4 = self.state1.addTransition(self.value_decreased, self.state3)
self.t4.addAnimation(self.pm1_anm)
self.t4.addAnimation(self.pm1_anm_o)
self.t4.addAnimation(self.pm2_anm)
self.t4.addAnimation(self.pm2_anm_o)
self.t4.addAnimation(self.pm3_anm)
self.t4.addAnimation(self.pm3_anm_o)
self.t5 = self.state2.addTransition(self.value_decreased, self.state1)
self.t5.addAnimation(self.pm1_anm)
self.t5.addAnimation(self.pm1_anm_o)
self.t5.addAnimation(self.pm2_anm)
self.t5.addAnimation(self.pm2_anm_o)
self.t5.addAnimation(self.pm3_anm)
self.t5.addAnimation(self.pm3_anm_o)
self.t6 = self.state3.addTransition(self.value_decreased, self.state2)
self.t6.addAnimation(self.pm1_anm)
self.t6.addAnimation(self.pm1_anm_o)
self.t6.addAnimation(self.pm2_anm)
self.t6.addAnimation(self.pm2_anm_o)
self.t6.addAnimation(self.pm3_anm)
self.t6.addAnimation(self.pm3_anm_o)
self.t1 = self.state1.addTransition(self.value_increased, self.state2)
self.t1.addAnimation(self.pm1_anm)
self.t1.addAnimation(self.pm1_anm_o)
self.t1.addAnimation(self.pm2_anm)
self.t1.addAnimation(self.pm2_anm_o)
self.t1.addAnimation(self.pm3_anm)
self.t1.addAnimation(self.pm3_anm_o)
self.t2 = self.state2.addTransition(self.value_increased, self.state3)
self.t2.addAnimation(self.pm1_anm)
self.t2.addAnimation(self.pm1_anm_o)
self.t2.addAnimation(self.pm2_anm)
self.t2.addAnimation(self.pm2_anm_o)
self.t2.addAnimation(self.pm3_anm)
self.t2.addAnimation(self.pm3_anm_o)
self.t3 = self.state3.addTransition(self.value_increased, self.state1)
self.t3.addAnimation(self.pm1_anm)
self.t3.addAnimation(self.pm1_anm_o)
self.t3.addAnimation(self.pm2_anm)
self.t3.addAnimation(self.pm2_anm_o)
self.t3.addAnimation(self.pm3_anm)
self.t3.addAnimation(self.pm3_anm_o)
# initial fill
if self.pix_list:
self.pm_list = [self.pm1, self.pm2, self.pm3]
for i, pm in enumerate(self.pm_list):
pm.add_pixmap(self.pix_list[i % len(self.pix_list)])
self.previewGraphicsView.setSceneRect(
self.pm1.pixmap_item.boundingRect())
self.previewGraphicsView.fitInView(
self.pm1.pixmap_item.boundingRect(), QtCore.Qt.KeepAspectRatio)
self.imagesSlider.setValue(0)
