class flt_adi(QGraphicsView):
def __init__(self, parent=None):
super(flt_adi, self).__init__(parent)
self.__paramsInit()
def reinit(self):
"""
reinitiate widget
"""
self.__scene.clear()
self.__init()
def update(self):
"""
redraws widget
"""
self.__updateView()
self.__faceDeltaXOld = self.__faceDeltaXNew
self.__faceDeltaYOld = self.__faceDeltaYNew
def setRoll(self, roll):
"""
set roll angle, deg
roll: float
"""
self.__roll = roll
if self.__roll < -180.0:
self.__roll = -180.0
elif self.__roll > 180.0:
self.__roll = 180.0
def setPitch(self, pitch):
"""
set pitch angle, deg
pitch: float
"""
self.__pitch = pitch
if self.__pitch < -25.0:
self.__pitch = -25.0
elif self.__pitch > 25.0:
self.__pitch = 25.0
def resizeEvent(self, event):
QGraphicsView.resizeEvent(event)
self.reinit()
def __paramsInit(self):
self.__roll = 0.0
self.__pitch = 0.0
self.__faceDeltaXNew = 0.0
self.__faceDeltaXOld = 0.0
self.__faceDeltaYNew = 0.0
self.__faceDeltaYOld = 0.0
self.__scaleX = 1.0
self.__scaleY = 1.0
self.__originalPixPerDeg = 1.7
self.__originalHeight = 240
self.__originalWidth = 240
self.__backZ = -30
self.__faceZ = -20
self.__ringZ = -10
self.__caseZ = 10
self.__originalAdiCtr = QPointF(120.0, 120.0)
self.__scene = QGraphicsScene(self)
self.__scene.clear()
def __del__(self):
self.__scene.clear()
del self.__scene
self.__reset()
def __init(self):
self.__scaleX = width() / self.__originalWidth
self.__scaleY = height() / self.__originalHeight
self.__reset()
# "border-image: url(:/side_btn/LightGCS_image/setter.png);"
self.__itemBack = QGraphicsSvgItem(
":/fi_img/monitor/flightInstruments/img/adi/adi_back.svg")
self.__itemBack.setCacheMode(QGraphicsItem.NoCache)
self.__itemBack.setZvalue(self.__backZ)
self.__itemBack.setTransform(
QTransform.fromScale(self.__scaleX, self.__scaleY), True)
self.__itemBack.setTransformOriginPoint(self.__originalAdiCtr)
self.__scene.addItem(self.__itemBack)
self.__itemFace = QGraphicsSvgItem(
":/fi_img/monitor/flightInstruments/img/adi/adi_face.svg")
self.__itemFace.setCacheMode(QGraphicsItem.NoCache)
self.__itemFace.setZvalue(self.__faceZ)
self.__itemFace.setTransform(
QTransform.fromScale(self.__scaleX, self.__scaleY), True)
self.__itemFace.setTransformOriginPoint(self.__originalAdiCtr)
self.__scene.addItem(self.__itemFace)
self.__itemRing = QGraphicsSvgItem(
":/fi_img/monitor/flightInstruments/img/adi/adi_ring.svg")
self.__itemRing.setCacheMode(QGraphicsItem.NoCache)
self.__itemRing.setZvalue(self.__ringZ)
self.__itemRing.setTransform(
QTransform.fromScale(self.__scaleX, self.__scaleY), True)
self.__itemRing.setTransformOriginPoint(self.__originalAdiCtr)
self.__scene.addItem(self.__itemRing)
self.__itemCase = QGraphicsSvgItem(
":/fi_img/monitor/flightInstruments/img/adi/adi_case.svg")
self.__itemCase.setCacheMode(QGraphicsItem.NoCache)
self.__itemCase.setZvalue(self.__ringZ)
self.__itemCase.setTransform(
QTransform.fromScale(self.__scaleX, self.__scaleY), True)
self.__itemCase.setTransformOriginPoint(self.__originalAdiCtr)
self.__scene.addItem(self.__itemCase)
centerOn(width() / 2.0, height() / 2.0)
self.__updateView()
def __reset(self):
self.__roll = 0.0
self.__pitch = 0.0
self.__faceDeltaXNew = 0.0
self.__faceDeltaXOld = 0.0
self.__faceDeltaYNew = 0.0
self.__faceDeltaYOld = 0.0
del self.__itemBack
del self.__itemFace
del self.__itemRing
del self.__itemCase
def __updateView(self):
self.__scaleX = width() / self.__originalWidth
self.__scaleY = height() / self.__originalHeight
self.__itemBack.setRotation(-self.__roll)
self.__itemFace.setRotation(-self.__roll)
self.__itemRing.setRotation(-self.__roll)
roll_rad = math.PI * self.__roll / 180.0
delta = self.__originalPixPerDeg * self.__pitch
self.__faceDeltaXNew = self.__scaleX * delta * sin(roll_rad)
self.__faceDeltaYNew = self.__scaleY * delta * cos(roll_rad)
self.__itemFace.moveBy(self.__faceDeltaXNew - self.__faceDeltaXOld,
self.__faceDeltaYNew - self.__faceDeltaYOld)
self.__scene.update()
