class MplCanvas(FigureCanvas):
"""Ultimately, this is a QWidget (as well as a FigureCanvasAgg, etc.)."""
logger = None
def __init__(self, parent=None, width=5, height=4, dpi=100):
self.fig = Figure(figsize=(width, height), dpi=dpi)
self.plot = self.fig.add_subplot(1, 1, 1)
FigureCanvas.__init__(self, self.fig)
self.setParent(parent)
FigureCanvas.setSizePolicy(self, QtWidgets.QSizePolicy.Expanding,
QtWidgets.QSizePolicy.Expanding)
FigureCanvas.updateGeometry(self)
def setBackgroundByRGB(self, r, g, b):
rgbColor = (r / 255, g / 255, b / 255, 1.0)
self.fig.patch.set_facecolor(rgbColor)
def setBackgroundByQColor(self, bgcolor):
rgbColor = (bgcolor.red() / 255, bgcolor.green() / 255,
bgcolor.blue() / 255, 1.0)
self.fig.patch.set_facecolor(rgbColor)
###self.logger.debug("setting background: %r", rgbColor)
def showFigure(self, show):
currVis = self.fig.get_visible()
if currVis == show:
return
self.fig.set_visible(show)
self.draw() ## QWidget draw
