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)