[solved] Moving and Resizing QGraphicsSvgItem with PyQt4

[Tripanarium]

It makes a few days that I've started to play with Python3 and PyQt4.
I thought that it could be nice to make a simple card game. I've read some tutorials, searched on PyQt4, Qt4, Qt5 and PyQt5 documentation but I got stacked!
But now I'm starting to have some problems: how to resize my Items so they have a relational size with the scene.sceneRect() (cardHeight = sceneRect().height()/10) and how should implement independent movement to those items (separate time of movement start and target).
I have a big file already written but here is a sample example where I would like to implement those features (if you help me).
@from PyQt4 import QtCore, QtGui, QtSvg

class GameView(QtGui.QGraphicsView):

"""Widget where we will see the results.
the file used may be found at https://github.com/sandsmark/poker-ai/blob/master/card-deck/oxygen-air.svgz
"""
def __init__(self, filename = "../pictures/oxygen-air.svgz", parent = None):
    
    """Initialize the Viewer."""
    
    super(GameView, self).__init__(parent)
    
    carddeck = QtSvg.QSvgRenderer(filename)
    myCards={}
    
    for someId in ("back", "1_spade", "queen_diamond"):
        
        newCard = QtSvg.QGraphicsSvgItem()
        newCard.setSharedRenderer(carddeck)
        newCard.setElementId(someId)
        
        myCards[someId] = newCard
        
    self.scene = QtGui.QGraphicsScene()
    # Set screen resolution in case it's shown on fullscreen mode
    self.scene.setSceneRect(
        QtCore.QRectF(QtGui.QDesktopWidget().screenGeometry()))
    self.setScene(self.scene)
    
    tempPos = 0, 0
    
    for cardId in myCards.keys():
        
        self.scene.addItem(myCards[cardId])
        
        myCards[cardId].setPos(QtCore.QPointF(tempPos[0], tempPos[1]))
        
        tempPos = tempPos[0] + myCards[cardId].boundingRect().width(),
                tempPos[1] + myCards[cardId].boundingRect().height()
        
def resizeEvent(self, event):
    
    """Only to make sure that qgraphics view have no scroolbars."""
    
    self.fitInView(self.scene.sceneRect(), QtCore.Qt.KeepAspectRatio)

if name == "main":

import sys

app = QtGui.QApplication(sys.argv)
widget = GameView()
widget.show()
sys.exit(app.exec_())
@

[Tripanarium]

Think I've the answer to one part: Resizing.
Here I'll leave my first approach.

@def resize(svgItem, maxSizeRectF):

"""Resize an svgItem till fit on maxSizeRectF rectangle."""

# Get the smaller side of the rect
relativeSize = min( maxSizeRectF.width(),maxSizeRectF.height() )

#Scale the item
svgItem.setScale(relativeSize/svgItem.boundingRect().height())

@

Now here came the part I haven't used before!
When we need to know the measures of this Svg Item, we have to be carefull!

svgItem."boundingRect()":http://pyqt.sourceforge.net/Docs/PyQt4/qgraphicsitem.html#boundingRect - will return the svgItem's (own) bounding Rect
we may need to use svgItem."sceneBoundingRect()":http://pyqt.sourceforge.net/Docs/PyQt4/qgraphicsitem.html#sceneBoundingRect to get the bounding rect of this Item on the scene.
If I'm wrong please correct me.
Now it's time to find my second part of the problem... movement!

[Tripanarium]

And think I got him! Is something like this:

@def moveCard(self, card, targetPoint, timeLine = 5000, rotation = 0):

"""Move the card from one position to one other."""

cardTimer=QtCore.QTimeLine(timeLine)

cardAnimation=QtGui.QGraphicsItemAnimation(self)
cardAnimation.setItem(card)
cardAnimation.setTimeLine(cardTimer)

cardAnimation.setPosAt(1, targetPoint)
cardAnimation.setRotationAt(1, rotation)

cardTimer.start()@

... improve speed with svg card items?

---

Edited:
I've noted improved speed adding @card.setCacheMode(QtGui.QGraphicsItem.NoCache)@