How to use setCacheMode method in fMBT

Best Python code snippet using fMBT_python

qfi_ALT.py

Source:qfi_ALT.py

1#!/usr/bin/python32# -*- coding: utf-8 -*-3from PyQt5.QtGui import QTransform4from PyQt5.QtCore import pyqtSignal, QPointF, Qt5from PyQt5.QtSvg import QGraphicsSvgItem6from PyQt5.QtWidgets import QGraphicsView, QGraphicsScene, QGraphicsItem, QFrame7import math8from qfi import qfi_rc9class qfi_ALT (QGraphicsView):10    viewUpdate = pyqtSignal()11    def __init__(self,winParent):12        QGraphicsView.__init__(self)13        self.winParent=winParent14        self.viewUpdate.connect(self.updateView)15        16        self.m_altitude = 017        self.m_pressure = 2818        self.m_originalHeight = 24019        self.m_originalWidth = 24020        self.m_originalAltCtr = QPointF(120,120)21        self.m_face1Z = -5022        self.m_face2Z = -4023        self.m_face3Z = -3024        self.m_hand1Z = -2025        self.m_hand2Z = -1026        self.m_caseZ = 1027        self.setStyleSheet("background: transparent; border: none");28        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)29        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)30        self.setInteractive(False)31        self.m_scene = QGraphicsScene(self)32        33        self.setScene(self.m_scene)34        self.init()35        36    def init (self):37        self.m_scaleX = self.width() / self.m_originalWidth38        self.m_scaleY = self.height() / self.m_originalHeight39        self.m_itemFace_1 = QGraphicsSvgItem(":/qfi/images/alt/alt_face_1.svg")40        self.m_itemFace_1.setCacheMode (QGraphicsItem.NoCache)41        self.m_itemFace_1.setZValue( self.m_face1Z )42        self.m_itemFace_1.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True )43        self.m_itemFace_1.setTransformOriginPoint( self.m_originalAltCtr )44        self.m_scene.addItem (self.m_itemFace_1)45        self.m_itemFace_2 = QGraphicsSvgItem(":/qfi/images/alt/alt_face_2.svg")46        self.m_itemFace_2.setCacheMode (QGraphicsItem.NoCache)47        self.m_itemFace_2.setZValue( self.m_face2Z )48        self.m_itemFace_2.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True )49        self.m_itemFace_2.setTransformOriginPoint( self.m_originalAltCtr )50        self.m_scene.addItem (self.m_itemFace_2)51        self.m_itemFace_3 = QGraphicsSvgItem(":/qfi/images/alt/alt_face_3.svg")52        self.m_itemFace_3.setCacheMode (QGraphicsItem.NoCache)53        self.m_itemFace_3.setZValue( self.m_face3Z )54        self.m_itemFace_3.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True )55        self.m_itemFace_3.setTransformOriginPoint( self.m_originalAltCtr )56        self.m_scene.addItem (self.m_itemFace_3)57        self.m_itemHand_1 = QGraphicsSvgItem(":/qfi/images/alt/alt_hand_1.svg")58        self.m_itemHand_1.setCacheMode (QGraphicsItem.NoCache)59        self.m_itemHand_1.setZValue( self.m_hand1Z )60        self.m_itemHand_1.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True )61        self.m_itemHand_1.setTransformOriginPoint( self.m_originalAltCtr )62        self.m_scene.addItem (self.m_itemHand_1)63        self.m_itemHand_2 = QGraphicsSvgItem(":/qfi/images/alt/alt_hand_2.svg")64        self.m_itemHand_2.setCacheMode (QGraphicsItem.NoCache)65        self.m_itemHand_2.setZValue( self.m_hand2Z )66        self.m_itemHand_2.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True )67        self.m_itemHand_2.setTransformOriginPoint( self.m_originalAltCtr )68        self.m_scene.addItem (self.m_itemHand_2)69        self.m_itemCase = QGraphicsSvgItem(":/qfi/images/alt/alt_case.svg")70        self.m_itemCase.setCacheMode (QGraphicsItem.NoCache)71        self.m_itemCase.setZValue( self.m_caseZ )72        self.m_itemCase.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True )73        self.m_itemCase.setTransformOriginPoint( self.m_originalAltCtr )74        self.m_scene.addItem (self.m_itemCase)75        self.centerOn (self.width()/2, self.height()/2)76        self.updateView()77    def reinit(self):78        if (self.m_scene):79            self.m_scene.clear()80            self.init()81    def update(self):82        self.updateView()83    def setAltitude (self, altitude):84        self.m_altitude = altitude85    def setPressure (self, pressure):86        self.m_pressure = pressure87        if (self.m_pressure < 28):88            self.m_pressure = 2889        if (self.m_pressure > 31.5):90            self.m_pressure = 31.591    def resizeEvent (self, event):92        QGraphicsView.resizeEvent (self,event)93        self.reinit()94    def reset (self):95        self.m_itemFace_1 = None96        self.m_itemFace_2 = None97        self.m_itemFace_3 = None98        self.m_itemHand_1 = None99        self.m_itemHand_2 = None100        self.m_itemCase   = None101        self.m_altitude =  0.0102        self.m_pressure = 28.0103    def updateView(self):104        altitude = math.ceil(self.m_altitude + 0.5)105        angleH1 = self.m_altitude * 0.036106        angleH2 = ( altitude % 1000 ) * 0.36107        angleF1 = (self.m_pressure - 28.0 ) * 100.0108        angleF3 = self.m_altitude * 0.0036109        self.m_itemHand_1.setRotation(angleH1)110        self.m_itemHand_2.setRotation(angleH2)111        self.m_itemFace_1.setRotation(- angleF1)112        self.m_itemFace_3.setRotation(angleF3)...

qfi_TC.py

Source:qfi_TC.py

...44        self.m_scaleX = self.width()  / self.m_originalWidth;45        self.m_scaleY = self.height() / self.m_originalHeight;46        self.reset();47        self.m_itemBack = QGraphicsSvgItem( ":/qfi/images/tc/tc_back.svg" );48        self.m_itemBack.setCacheMode( QGraphicsItem.NoCache );49        self.m_itemBack.setZValue( self.m_backZ );50        self.m_itemBack.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True );51        self.m_scene.addItem( self.m_itemBack );52        self.m_itemBall =  QGraphicsSvgItem( ":/qfi/images/tc/tc_ball.svg" );53        self.m_itemBall.setCacheMode( QGraphicsItem.NoCache );54        self.m_itemBall.setZValue( self.m_ballZ );55        self.m_itemBall.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True );56        self.m_itemBall.setTransformOriginPoint( self.m_originalBallCtr );57        self.m_scene.addItem( self.m_itemBall );58        self.m_itemFace_1 =  QGraphicsSvgItem( ":/qfi/images/tc/tc_face_1.svg" );59        self.m_itemFace_1.setCacheMode( QGraphicsItem.NoCache );60        self.m_itemFace_1.setZValue( self.m_face1Z );61        self.m_itemFace_1.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True );62        self.m_scene.addItem( self.m_itemFace_1 );63        self.m_itemFace_2 =  QGraphicsSvgItem( ":/qfi/images/tc/tc_face_2.svg" );64        self.m_itemFace_2.setCacheMode( QGraphicsItem.NoCache );65        self.m_itemFace_2.setZValue( self.m_face2Z );66        self.m_itemFace_2.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True );67        self.m_scene.addItem( self.m_itemFace_2 );68        self.m_itemMark =  QGraphicsSvgItem( ":/qfi/images/tc/tc_mark.svg" );69        self.m_itemMark.setCacheMode( QGraphicsItem.NoCache );70        self.m_itemMark.setZValue( self.m_markZ );71        self.m_itemMark.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True );72        self.m_itemMark.setTransformOriginPoint( self.m_originalMarkCtr );73        self.m_scene.addItem( self.m_itemMark );74        self.m_itemCase =  QGraphicsSvgItem( ":/qfi/images/tc/tc_case.svg" );75        self.m_itemCase.setCacheMode( QGraphicsItem.NoCache );76        self.m_itemCase.setZValue( self.m_caseZ );77        self.m_itemCase.setTransform( QTransform.fromScale( self.m_scaleX, self.m_scaleY ), True );78        self.m_scene.addItem( self.m_itemCase );79        self.centerOn( self.width()/2 , self.height()/2 );80        self.updateView();81    def reinit(self):82        if (self.m_scene):83            self.m_scene.clear()84            self.init()85    def update(self):86        self.updateView()87    def setTurnRate(self, turnRate):88        self.m_turnRate = turnRate;89        if (self.m_turnRate < -6):...

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