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import unittest
from unittests import wtc
import wx
import random
try:
import numpy as np
haveNumpy = True
except ImportError:
haveNumpy = False
#---------------------------------------------------------------------------
w = 600
h = 400
def makeRandomLines():
lines = []
for i in range(num):
x1 = random.randint(0, w)
y1 = random.randint(0, h)
x2 = random.randint(0, w)
y2 = random.randint(0, h)
lines.append( (x1,y1, x2,y2) )
return lines
#---------------------------------------------------------------------------
class dcDrawLists_Tests(wtc.WidgetTestCase):
@unittest.skipIf(not haveNumpy, "Numpy required for this test")
def test_dcDrawLinesFromBuffer(self):
pnl = wx.Panel(self.frame)
self.frame.SetSize((w,h))
dc = wx.ClientDC(pnl)
dc.SetPen(wx.Pen("BLACK", 1))
xs = np.linspace(0, w, w + 1)
ys = np.sin(xs / w * 2 * np.pi)
xs.shape = xs.size, 1
ys.shape = ys.size, 1
pts = np.append(xs, ys, 1)
dc.DrawLinesFromBuffer(pts.astype('intc'))
self.assertRaises(TypeError, dc.DrawLinesFromBuffer,
pts.astype('int64') if np.intc(1).nbytes != np.int64(1).nbytes else pts.astype('int32'))
self.assertRaises(TypeError, dc.DrawLinesFromBuffer, pts.tolist())
del dc
#---------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
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