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Prevent unit test from crashing under wxGTK3

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Under wxGTK3 default color depth for wxBitmap is 24 bpp and therefore wxAlphaPixelData cannot be used to get access to wxBitmap's internal data in this case.

See #17666.
This commit is contained in:
Artur Wieczorek
2017-04-13 23:39:23 +02:00
parent 5a7570bf7d
commit 34e19a7449
1 changed files with 31 additions and 10 deletions
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41
tests/graphics/bitmap.cpp
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@@ -107,17 +107,38 @@ void BitmapTestCase::OverlappingBlit()
dc.Blit( 0, 1, 10, 9, &dc, 0, 0 );
} // Select the bitmap out of the memory DC before using it directly.
// Now, lines 0 and 1 should be red, lines 2++ should still be white.
wxAlphaPixelData npd( m_bmp );
wxAlphaPixelData::Iterator it( npd );
if ( m_bmp.GetDepth() == 32 )
{
wxAlphaPixelData npd( m_bmp );
wxAlphaPixelData::Iterator it( npd );
ASSERT_EQUAL_RGB( it, 255, 0, 0 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 0, 0 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 255, 255 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 255, 255 );
ASSERT_EQUAL_RGB( it, 255, 0, 0 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 0, 0 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 255, 255 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 255, 255 );
}
else
{
wxNativePixelData npd( m_bmp );
wxNativePixelData::Iterator it( npd );
if ( !npd )
{
CPPUNIT_FAIL( "Raw access to bitmap data unavailable" );
}
else
{
ASSERT_EQUAL_RGB( it, 255, 0, 0 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 0, 0 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 255, 255 );
it.OffsetY( npd, 1 );
ASSERT_EQUAL_RGB( it, 255, 255, 255 );
}
}
}