Commit 8a9557cf authored by Luke Campagnola's avatar Luke Campagnola
Browse files

added GradientWidget example

parent 7735a6f2
# -*- coding: utf-8 -*-
import initExample ## Add path to library (just for examples; you do not need this)
import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
import numpy as np
app = QtGui.QApplication([])
w = QtGui.QMainWindow()
w.show()
w.resize(400,400)
cw = QtGui.QWidget()
w.setCentralWidget(cw)
l = QtGui.QGridLayout()
l.setSpacing(0)
cw.setLayout(l)
w1 = pg.GradientWidget(orientation='top')
w2 = pg.GradientWidget(orientation='right', allowAdd=False)
#w2.setTickColor(1, QtGui.QColor(255,255,255))
w3 = pg.GradientWidget(orientation='bottom')
w4 = pg.GradientWidget(orientation='left')
w4.loadPreset('spectrum')
label = QtGui.QLabel("""
- Click a triangle to change its color
- Drag triangles to move
- Click in an empty area to add a new color
(adding is disabled for the right-side widget)
- Right click a triangle to remove
""")
l.addWidget(w1, 0, 1)
l.addWidget(w2, 1, 2)
l.addWidget(w3, 2, 1)
l.addWidget(w4, 1, 0)
l.addWidget(label, 1, 1)
## Start Qt event loop unless running in interactive mode or using pyside.
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
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