Das deutsche Python-Forum

Code: Alles auswählen

svg="""
<svg height="100" width="100">
  <circle cx="50" cy="50" r="40" stroke="black" stroke-width="3" fill="red" />
</svg>
"""    
self.notaus = QtGui.QPushButton(self.centralwidget)
self.notaus.setGeometry(QtCore.QRect(100,100, 100, 100))
self.notaus.setStyleSheet("border: none; \n background-image: " + self.foobar(svg) + ");\n")

Code: Alles auswählen

    def renderSvg(self,svg,size):
        if (type(size) is not QtCore.QSize):
            raise AttributeError("Pass QSize")
        renderer = QtSvg.QSvgRenderer(QtCore.QByteArray(svg))
        qim = QtGui.QImage(size, QtGui.QImage.Format_ARGB32)
        qim.fill(0)
        painter = QtGui.QPainter()
        painter.begin(qim)
        renderer.render(painter)
        painter.end()
        return qim
    
    def saveImg(self,svg,size):
        name=xxhash.xxh64(svg+str(size)).hexdigest()
        path=self.imageFolder + os.sep + name[:3]+ os.sep + name[3:6]+ os.sep 
        filename=name[6:]+".png"
        url=path+filename
        if(not os.path.isfile(url)):
          if( not os.path.isdir(path)):
            os.makedirs(path)
          image=self.renderSvg(svg,size)
          image.save(url,"PNG")
        return url
    
    def createButton(self,svg,size,text):
        if (type(size) is not QtCore.QSize):
            raise AttributeError("Pass QSize")
        button = QtGui.QPushButton(self.centralwidget)
        button.setFont(self.defaultFont)
        url=self.saveImg(svg,size)
        button.setStyleSheet( self.defaultStyle+"\nbackground-image: url("+url+");" )
        button.setText(_translate("MainWindow", text, None))
        button.setFlat(True)
        return button