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Fix comparing wxImages in tests

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Iterate through pixels instead of individual RGB components to report
proper coordinates of found mismatch.
This commit is contained in:
Artur Wieczorek
2021-02-05 23:03:59 +01:00
parent 49fcd34335
commit c8a47a4313
1 changed files with 18 additions and 15 deletions
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33
tests/testimage.h
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@@ -50,27 +50,30 @@ public:
const unsigned char* d1 = m_image.GetData();
const unsigned char* d2 = other.GetData();
for ( int x = 0; x < m_image.GetWidth(); ++x )
for ( int y = 0; y < m_image.GetHeight(); ++y )
{
for ( int y = 0; y < m_image.GetHeight(); ++y )
for ( int x = 0; x < m_image.GetWidth(); ++x )
{
const unsigned char diff = *d1 > * d2 ? *d1 - *d2 : *d2 - *d1;
if (diff > m_tolerance)
for ( int i = 0; i < 3; i++ )
{
m_diffDesc.Printf
(
"first mismatch is at (%d, %d) which "
"has value 0x%06x instead of the "
"expected 0x%06x",
x, y, *d2, *d1
);
const unsigned char diff = d1[i] > d2[i] ? d1[i] - d2[i] : d2[i] - d1[i];
if ( diff > m_tolerance )
{
m_diffDesc.Printf
(
"first mismatch is at (%d, %d) which "
"has value 0x%02x%02x%02x instead of the "
"expected 0x%02x%02x%02x",
x, y, d2[0], d2[1], d2[2], d1[0], d1[1], d1[2]
);
// Don't show all mismatches, there may be too many of them.
return false;
// Don't show all mismatches, there may be too many of them.
return false;
}
}
++d1;
++d2;
d1 += 3;
d2 += 3;
}
}