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conic gradients fixed

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This commit is contained in:
Uwe Rathmann 2022-12-22 20:27:49 +01:00
parent a2a2c63678
commit f13026b544
1 changed files with 17 additions and 4 deletions
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21
src/nodes/QskGradientMaterial.cpp
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@ -526,18 +526,31 @@ namespace
rect.left() + dir.center().x() * rect.width(),
rect.top() + dir.center().y() * rect.height() );
if ( center != m_center )
{
m_center = center;
changed = true;
}
// Angles as ratio of a rotation
float start = fmod( dir.startAngle(), 360.0 ) / 360.0;
if ( start < 0.0)
start += 1.0;
const float span = fmod( dir.spanAngle(), 360.0 ) / 360.0;
float span;
if ( center != m_center )
if ( dir.spanAngle() >= 360.0 )
{
m_center = center;
changed = true;
span = 1.0;
}
else if ( dir.spanAngle() <= -360.0 )
{
span = -1.0;
}
else
{
span = fmod( dir.spanAngle(), 360.0 ) / 360.0;
}
if ( ( start != m_start ) || ( span != m_span ) )