import time
from qwt.qt.QtGui import (QApplication, QPen, QBrush, QMainWindow, QTabWidget,
QFont, QFontDatabase)
from qwt.qt.QtCore import QSize
from qwt.qt.QtCore import Qt
from qwt.tests import CurveBenchmark as cb
from qwt import QwtSymbol
class CSWidget(cb.BMWidget):
def params(self, *args):
symbols, = args
symb1 = QwtSymbol(QwtSymbol.Ellipse, QBrush(Qt.yellow),
QPen(Qt.blue), QSize(5, 5))
symb2 = QwtSymbol(QwtSymbol.XCross, QBrush(),
QPen(Qt.darkMagenta), QSize(5, 5))
if symbols:
return (
('Sticks', symb1),
('Lines', symb1),
('Steps', symb2),
('Dots', symb2),
)
else:
return (
('Sticks', None),
('Lines', None),
('Steps', None),
('Dots', None),
)
class BMDemo(QMainWindow):
def __init__(self, max_n, parent=None, **kwargs):
super(BMDemo, self).__init__(parent=parent)
self.setWindowTitle('Curve styles')
tabs = QTabWidget()
self.resize(1000, 800)
# Force window to show up and refresh (for test purpose only)
self.show()
QApplication.processEvents()
self.setCentralWidget(tabs)
pts = 1000
for points, symbols in zip((pts/10, pts/10, pts, pts),
(True, False)*2):
t0 = time.time()
widget = CSWidget(points, symbols)
symtext = "with%s symbols" % ("" if symbols else "out")
title = '%d points, %s' % (points, symtext)
tabs.addTab(widget, title)
tabs.setCurrentWidget(widget)
# Force widget to refresh (for test purpose only)
QApplication.processEvents()
time_str = "Elapsed time: %d ms" % ((time.time()-t0)*1000)
widget.text.setText(time_str)
tabs.setCurrentIndex(0)
if __name__ == '__main__':
app = QApplication([])
for name in ('Calibri', 'Verdana', 'Arial'):
if name in QFontDatabase().families():
app.setFont(QFont(name))
break
demo = BMDemo(100000)
app.exec_()
