diff options
Diffstat (limited to 'WebCore/platform/graphics/qt/GradientQt.cpp')
| -rw-r--r-- | WebCore/platform/graphics/qt/GradientQt.cpp | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/WebCore/platform/graphics/qt/GradientQt.cpp b/WebCore/platform/graphics/qt/GradientQt.cpp index 1f05a15..72bb009 100644 --- a/WebCore/platform/graphics/qt/GradientQt.cpp +++ b/WebCore/platform/graphics/qt/GradientQt.cpp @@ -46,8 +46,15 @@ QGradient* Gradient::platformGradient() if (m_gradient) return m_gradient; + bool reversed = m_r0 > m_r1; + + qreal innerRadius = reversed ? m_r1 : m_r0; + qreal outerRadius = reversed ? m_r0 : m_r1; + QPointF center = reversed ? m_p0 : m_p1; + QPointF focalPoint = reversed ? m_p1 : m_p0; + if (m_radial) - m_gradient = new QRadialGradient(m_p1.x(), m_p1.y(), m_r1, m_p0.x(), m_p0.y()); + m_gradient = new QRadialGradient(center, outerRadius, focalPoint); else m_gradient = new QLinearGradient(m_p0.x(), m_p0.y(), m_p1.x(), m_p1.y()); @@ -65,9 +72,19 @@ QGradient* Gradient::platformGradient() lastStop = stopIterator->stop + lastStopDiff; else lastStop = stopIterator->stop; - if (m_radial && m_r0) - lastStop = m_r0 / m_r1 + lastStop * (1.0f - m_r0 / m_r1); - m_gradient->setColorAt(qMin(lastStop, qreal(1.0f)), stopColor); + + if (m_radial && !qFuzzyCompare(1 + outerRadius, qreal(1))) { + lastStop = lastStop * (1.0f - innerRadius / outerRadius); + if (!reversed) + lastStop += innerRadius / outerRadius; + } + + qreal stopPosition = qMin(lastStop, qreal(1.0f)); + + if (m_radial && reversed) + stopPosition = 1 - stopPosition; + + m_gradient->setColorAt(stopPosition, stopColor); // Keep the lastStop as orginal value, since the following stopColor depend it lastStop = stopIterator->stop; ++stopIterator; |