def testAdjustColour(self):
"""Test that a valid colour results are returned"""
c = wx.Colour(125, 125, 125)
# Check that the color was brightened
c2 = eclib.AdjustColour(c, 50)
self.assertTrue(
sum(c.Get()) < sum(c2.Get()), "Failed to lighten colour")
# Check that the color was darkened
c2 = eclib.AdjustColour(c, -50)
self.assertTrue(
sum(c.Get()) > sum(c2.Get()), "Failed to darken colour")
def OnPaint(self, evt):
dc = wx.PaintDC(self)
gc = wx.GraphicsContext.Create(dc)
col1 = wx.SystemSettings_GetColour(wx.SYS_COLOUR_3DSHADOW)
col2 = eclib.AdjustColour(col1, -90)
col1 = eclib.AdjustColour(col1, 90)
rect = self.GetClientRect()
grad = gc.CreateLinearGradientBrush(0, 1, 0, rect.height - 1, col2,
col1)
pen_col = tuple([min(190, x) for x in eclib.AdjustColour(col1, -60)])
gc.SetPen(gc.CreatePen(wx.Pen(pen_col, 1)))
gc.SetBrush(grad)
gc.DrawRectangle(0, 1, rect.width - 0.5, rect.height - 0.5)
evt.Skip()
def AdjustColour(color, percent, alpha=wx.ALPHA_OPAQUE):
""" Brighten/Darken input colour by percent and adjust alpha
channel if needed. Returns the modified color.
@param color: color object to adjust
@type color: wx.Color
@param percent: percent to adjust +(brighten) or -(darken)
@type percent: int
@keyword alpha: Value to adjust alpha channel to
@note: DON'T USE THIS FUNCTION use the one in eclib instead
this will be removed at some point.
"""
return eclib.AdjustColour(color, percent, alpha)
