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Bugfixing: Radial pattern now works

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Jakub Melka 2021-03-11 20:05:50 +01:00
parent 1041e654ff
commit 15b610482c
1 changed files with 38 additions and 20 deletions
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58
Pdf4QtLib/sources/pdfpattern.cpp
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@ -1855,32 +1855,50 @@ public:
}
PDFReal s = 0.0;
if (s1 < 0.0 && m_radialShadingPattern->isExtendStart())
while (true)
{
s1 = 0.0;
}
if (s2 > 1.0 && m_radialShadingPattern->isExtendEnd())
{
s2 = 1.0;
}
const PDFReal radius2 = r_0 + s2 * r_1_0;
if (radius2 >= 0.0)
{
if (m_radialShadingPattern->isExtendStart())
{
s2 = qMax(s2, 0.0);
}
if (m_radialShadingPattern->isExtendEnd())
{
s2 = qMin(s2, 1.0);
}
const bool s1Valid = s1 >= 0.0 && s1 <= 0.0;
const bool s2Valid = s2 >= 0.0 && s2 <= 0.0;
if (s2 >= 0.0 && s2 <= 1.0)
{
s = s2;
break;
}
}
const PDFReal radius1 = r_0 + s1 * r_1_0;
if (radius1 >= 0.0)
{
if (m_radialShadingPattern->isExtendStart())
{
s1 = qMax(s1, 0.0);
}
if (m_radialShadingPattern->isExtendEnd())
{
s1 = qMin(s1, 1.0);
}
if (s1 >= 0.0 && s1 <= 1.0)
{
s = s1;
break;
}
}
if (s2Valid)
{
s = s2;
}
else if (s1Valid)
{
s = s1;
}
else
{
return false;
}
PDFReal t = interpolate(s, m_xStart, m_xEnd, m_tAtStart, m_tAtEnd);
PDFReal t = interpolate(s, 0.0, 1.0, m_tAtStart, m_tAtEnd);
t = qBound(m_tMin, t, m_tMax);
const auto& functions = m_radialShadingPattern->getFunctions();