def paintEvent(self, event):
""" Reimplementation of paintEvent to allow for style sheets
See: http://qt-project.org/wiki/How_to_Change_the_Background_Color_of_QWidget
"""
opt = QtWidgets.QStyleOption()
opt.initFrom(self)
painter = QtGui.QPainter(self)
self.style().drawPrimitive(QtWidgets.QStyle.PE_Widget, opt, painter,
self)
painter.end()
def createIconFromSvg(self, svg, color=None, colorsToBeReplaced=None):
""" Creates a QIcon given an SVG string.
Optionally replaces the colors in colorsToBeReplaced by color.
:param svg: string containing Scalable Vector Graphics XML
:param color: '#RRGGBB' string (e.g. '#FF0000' for red)
:param colorsToBeReplaced: optional list of colors to be replaced by color
If None, it will be set to the fill colors of the snip-icon libary
:return: QtGui.QIcon
"""
if colorsToBeReplaced is None:
colorsToBeReplaced = self.colorsToBeReplaced
if color:
for oldColor in colorsToBeReplaced:
svg = svg.replace(oldColor, color)
# From http://stackoverflow.com/questions/15123544/change-the-color-of-an-svg-in-qt
qByteArray = QtCore.QByteArray(svg.encode('utf-8'))
# qByteArray = QtCore.QByteArray() # the old PyQt way
# qByteArray.append(svg)
svgRenderer = QtSvg.QSvgRenderer(qByteArray)
icon = QtGui.QIcon()
for size in self.renderSizes:
pixMap = QtGui.QPixmap(QtCore.QSize(size, size))
pixMap.fill(Qt.transparent)
pixPainter = QtGui.QPainter(pixMap)
pixPainter.setRenderHint(QtGui.QPainter.TextAntialiasing, True)
pixPainter.setRenderHint(QtGui.QPainter.Antialiasing, True)
svgRenderer.render(pixPainter)
pixPainter.end()
icon.addPixmap(pixMap)
return icon
