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author | Samuel Rødal <samuel.rodal@nokia.com> | 2011-04-13 10:16:43 +0200 |
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committer | Olivier Goffart <olivier.goffart@nokia.com> | 2011-05-10 12:54:46 +0200 |
commit | 83ecb25998aa41ae4f8dc48dd6a96cfe7e87a67f (patch) | |
tree | 76c6f4fbdac8592b6f83ba5093a60339c98aa602 /src/gui/painting/qpaintengineex.cpp | |
parent | ad295e740214405bc8ef55d594f9e42f40fcf34e (diff) |
Added support for six-parameter radial gradients.
The extended radial gradients conform to the radial gradient
specification in HTML 5 canvas.
Task-number: QTBUG-14075
Reviewed-by: Andreas Kling
(cherry picked from commit da55c1ea92474e989e5582b02815936bbf584405)
Diffstat (limited to 'src/gui/painting/qpaintengineex.cpp')
-rw-r--r-- | src/gui/painting/qpaintengineex.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp index 509fb77d25..7f601eb755 100644 --- a/src/gui/painting/qpaintengineex.cpp +++ b/src/gui/painting/qpaintengineex.cpp @@ -1012,4 +1012,50 @@ void QPaintEngineEx::updateState(const QPaintEngineState &) // do nothing... } +Q_GUI_EXPORT QPainterPath qt_painterPathFromVectorPath(const QVectorPath &path) +{ + const qreal *points = path.points(); + const QPainterPath::ElementType *types = path.elements(); + + QPainterPath p; + if (types) { + int id = 0; + for (int i=0; i<path.elementCount(); ++i) { + switch(types[i]) { + case QPainterPath::MoveToElement: + p.moveTo(QPointF(points[id], points[id+1])); + id+=2; + break; + case QPainterPath::LineToElement: + p.lineTo(QPointF(points[id], points[id+1])); + id+=2; + break; + case QPainterPath::CurveToElement: { + QPointF p1(points[id], points[id+1]); + QPointF p2(points[id+2], points[id+3]); + QPointF p3(points[id+4], points[id+5]); + p.cubicTo(p1, p2, p3); + id+=6; + break; + } + case QPainterPath::CurveToDataElement: + ; + break; + } + } + } else { + p.moveTo(QPointF(points[0], points[1])); + int id = 2; + for (int i=1; i<path.elementCount(); ++i) { + p.lineTo(QPointF(points[id], points[id+1])); + id+=2; + } + } + if (path.hints() & QVectorPath::WindingFill) + p.setFillRule(Qt::WindingFill); + + return p; +} + + QT_END_NAMESPACE |