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import unittest
from unittests import wtc
import wx
import os
pngFile = os.path.join(os.path.dirname(__file__), 'toucan.png')
#---------------------------------------------------------------------------
def makeBuf(w, h, bpp=1, init=0):
"Make a simple buffer for testing with"
buf = bytearray([init] * (w*h*bpp))
return buf
class BitmapTests(wtc.WidgetTestCase):
def test_BitmapCtor1(self):
b1 = wx.Bitmap()
self.assertTrue( not b1.IsOk() )
def test_BitmapCtor2(self):
b2 = wx.Bitmap(5, 10, 32)
self.assertTrue( b2.IsOk() )
def test_BitmapCtor3(self):
b3 = wx.Bitmap(wx.Size(5,10), 32)
self.assertTrue( b3.IsOk() )
def test_BitmapCtor4(self):
b4 = wx.Bitmap((5,10), 32)
self.assertTrue( b4.IsOk() )
def test_BitmapCtor5(self):
b5 = wx.Bitmap(pngFile)
self.assertTrue( b5.IsOk() )
def test_BitmapCtor6(self):
img = wx.Image(pngFile)
b6 = wx.Bitmap(img)
self.assertTrue( b6.IsOk() )
def test_EmptyBitmapFactory(self):
# wx.EmptyBitmap is supposed to be deprecated, make sure it is.
import warnings
with warnings.catch_warnings():
warnings.simplefilter("error")
with self.assertRaises(wx.wxPyDeprecationWarning):
b7 = wx.EmptyBitmap(5,10, 32)
self.assertTrue( b7.IsOk() )
def test_Bitmap__nonzero__(self):
b1 = wx.Bitmap()
self.assertTrue( not b1.IsOk() )
b2 = wx.Bitmap(5, 10, 24)
self.assertTrue( b2.IsOk() )
self.assertTrue( b2.__bool__() == b2.IsOk() )
# check that the __nonzero__ method can be used with if statements
nzcheck = False
if b2:
nzcheck = True
self.assertTrue(nzcheck)
nzcheck = False
if not b1:
nzcheck = True
self.assertTrue(nzcheck)
def test_BitmapNullBitmap(self):
# just make sure this one exists
wx.NullBitmap
self.assertTrue(not wx.NullBitmap.IsOk())
def test_BitmapSetMaskColour(self):
b5 = wx.Bitmap(pngFile)
b5.SetMaskColour(wx.Colour(1,2,3))
b5.SetMaskColour('black')
def test_BitmapMask(self):
img = wx.Image(pngFile)
img = img.ConvertToMono(0,0,0)
bmp = wx.Bitmap(img, 1)
m = wx.Mask()
m = wx.Mask(bmp)
m = wx.Mask(bmp, wx.Colour(1,2,3))
@unittest.skipIf('wxGTK' in wx.PlatformInfo, 'wxMask constructor using palette index not supported on wxGTK')
def test_BitmapMaskWithPalette(self):
img = wx.Image(pngFile)
img = img.ConvertToMono(0,0,0)
bmp = wx.Bitmap(img, 1)
rgb = bytearray(range(256))
pal = wx.Palette(rgb, rgb, rgb)
bmp.SetPalette(pal)
m = wx.Mask(bmp, 4)
def test_bitmapFormatConstants(self):
wx.BitmapBufferFormat_RGB
wx.BitmapBufferFormat_RGBA
wx.BitmapBufferFormat_RGB32
wx.BitmapBufferFormat_ARGB32
@unittest.skipIf('wxMac' in wx.PlatformInfo, 'Changing exiting bitmap size not allowed on wxMac')
def test_bitmapSetSize(self):
b1 = wx.Bitmap(1,1)
b1.SetSize((20,30))
self.assertTrue(b1.GetSize() == (20,30))
self.assertTrue(b1.Size == (20,30))
b1.Size = (25,35)
self.assertTrue(b1.GetSize() == (25,35))
def test_bitmapHandle(self):
b1 = wx.Bitmap(1,1)
b1.Handle
b1.GetHandle()
def test_bitmapCopyFromBuffer1(self):
w = h = 10
buf = makeBuf(w,h,3)
bmp = wx.Bitmap(w,h,24)
bmp.CopyFromBuffer(buf, wx.BitmapBufferFormat_RGB)
def test_bitmapCopyFromBuffer2(self):
w = h = 10
buf = makeBuf(w,h,4)
bmp = wx.Bitmap(w,h,32)
bmp.CopyFromBuffer(buf, wx.BitmapBufferFormat_RGBA)
def test_bitmapCopyFromBuffer3(self):
w = h = 10
buf = makeBuf(w,h,4)
bmp = wx.Bitmap(w,h,32)
bmp.CopyFromBuffer(buf, wx.BitmapBufferFormat_ARGB32)
def test_bitmapCopyToBuffer1(self):
w = h = 10
buf = makeBuf(w,h,3)
bmp = wx.Bitmap(w,h,24)
bmp.CopyToBuffer(buf, wx.BitmapBufferFormat_RGB)
def test_bitmapCopyToBuffer2(self):
w = h = 10
buf = makeBuf(w,h,4)
bmp = wx.Bitmap(w,h,32)
bmp.CopyToBuffer(buf, wx.BitmapBufferFormat_RGBA)
def test_bitmapCopyToBuffer3(self):
w = h = 10
buf = makeBuf(w,h,4)
bmp = wx.Bitmap(w,h,32)
bmp.CopyToBuffer(buf, wx.BitmapBufferFormat_ARGB32)
def test_bitmapBufferFactory1(self):
w = h = 10
buf = makeBuf(w,h,3, 111)
bmp = wx.Bitmap.FromBuffer(w, h, buf)
self.assertTrue(bmp.IsOk())
def test_bitmapBufferFactory2(self):
w = h = 10
buf = makeBuf(w,h,3, 111)
alpha = makeBuf(w,h,1)
bmp = wx.Bitmap.FromBufferAndAlpha(w, h, buf, alpha)
self.assertTrue(bmp.IsOk())
def test_bitmapBufferFactory3(self):
w = h = 10
buf = makeBuf(w,h,4, 111)
bmp = wx.Bitmap.FromBufferRGBA(w, h, buf)
self.assertTrue(bmp.IsOk())
def test_bitmapBufferFactory4(self):
# The array.array object does not support the new buffer protocol,
# (at least as of 2.7) so this test shows if we can support the old
# one too.
import array
w = h = 10
buf = array.array('B', [123] * (w*h*4))
bmp = wx.Bitmap.FromBufferRGBA(w, h, buf)
self.assertTrue(bmp.IsOk())
def test_bitmapBufferFactory5(self):
# The array.array object does not support the new buffer protocol,
# (at least as of 2.7) so this test shows if we can support the old
# one too.
import array
w = h = 10
buf = array.array('B', [10, 20, 30] * (w*h))
bmp = wx.Bitmap.FromBuffer(w, h, buf)
self.assertTrue(bmp.IsOk())
img = bmp.ConvertToImage()
self.assertEqual( (img.GetRed(1,2), img.GetGreen(1,2), img.GetBlue(1,2)),
(10,20,30) )
def test_bitmapEmptyFactory1(self):
w = h = 10
bmp = wx.Bitmap.FromRGBA(w, h)
self.assertTrue(bmp.IsOk())
def test_bitmapEmptyFactory2(self):
w = h = 10
bmp = wx.Bitmap.FromRGBA(w, h, 1, 2, 3, 4)
self.assertTrue(bmp.IsOk())
#---------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
|
