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()