75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
import pyqtgraph as pg
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from pyqtgraph.Qt import QtGui, QtCore
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from .Exporter import Exporter
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__all__ = ['MatplotlibExporter']
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class MatplotlibExporter(Exporter):
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Name = "Matplotlib Window"
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windows = []
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def __init__(self, item):
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Exporter.__init__(self, item)
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def parameters(self):
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return None
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def export(self, fileName=None):
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if isinstance(self.item, pg.PlotItem):
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mpw = MatplotlibWindow()
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MatplotlibExporter.windows.append(mpw)
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fig = mpw.getFigure()
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ax = fig.add_subplot(111)
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ax.clear()
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#ax.grid(True)
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for item in self.item.curves:
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x, y = item.getData()
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opts = item.opts
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pen = pg.mkPen(opts['pen'])
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if pen.style() == QtCore.Qt.NoPen:
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linestyle = ''
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else:
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linestyle = '-'
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color = tuple([c/255. for c in pg.colorTuple(pen.color())])
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symbol = opts['symbol']
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if symbol == 't':
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symbol = '^'
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symbolPen = pg.mkPen(opts['symbolPen'])
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symbolBrush = pg.mkBrush(opts['symbolBrush'])
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markeredgecolor = tuple([c/255. for c in pg.colorTuple(symbolPen.color())])
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markerfacecolor = tuple([c/255. for c in pg.colorTuple(symbolBrush.color())])
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if opts['fillLevel'] is not None and opts['fillBrush'] is not None:
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fillBrush = pg.mkBrush(opts['fillBrush'])
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fillcolor = tuple([c/255. for c in pg.colorTuple(fillBrush.color())])
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ax.fill_between(x=x, y1=y, y2=opts['fillLevel'], facecolor=fillcolor)
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ax.plot(x, y, marker=symbol, color=color, linewidth=pen.width(), linestyle=linestyle, markeredgecolor=markeredgecolor, markerfacecolor=markerfacecolor)
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xr, yr = self.item.viewRange()
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ax.set_xbound(*xr)
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ax.set_ybound(*yr)
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mpw.draw()
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else:
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raise Exception("Matplotlib export currently only works with plot items")
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class MatplotlibWindow(QtGui.QMainWindow):
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def __init__(self):
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import pyqtgraph.widgets.MatplotlibWidget
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QtGui.QMainWindow.__init__(self)
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self.mpl = pyqtgraph.widgets.MatplotlibWidget.MatplotlibWidget()
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self.setCentralWidget(self.mpl)
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self.show()
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def __getattr__(self, attr):
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return getattr(self.mpl, attr)
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def closeEvent(self, ev):
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MatplotlibExporter.windows.remove(self)
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