diff options
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/painting/qpainterpath_p.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/gui/painting/qpainterpath_p.h b/src/gui/painting/qpainterpath_p.h index 54b9392..4cd8a1a 100644 --- a/src/gui/painting/qpainterpath_p.h +++ b/src/gui/painting/qpainterpath_p.h @@ -97,6 +97,7 @@ public: flags(0) { int ptsPos = 0; + bool isLines = true; for (int i=0; i<path.size(); ++i) { const QPainterPath::Element &e = path.at(i); elements[i] = e.type; @@ -104,6 +105,11 @@ public: points[ptsPos++] = e.y; if (e.type == QPainterPath::CurveToElement) flags |= QVectorPath::CurvedShapeMask; + + // This is to check if the path contains only alternating lineTo/moveTo, + // in which case we can set the LinesHint in the path. MoveTo is 0 and + // LineTo is 1 so the i%2 gets us what we want cheaply. + isLines = isLines && e.type == (QPainterPath::ElementType) (i%2); } if (fillRule == Qt::WindingFill) @@ -111,8 +117,14 @@ public: else flags |= QVectorPath::OddEvenFill; - if (!convex) - flags |= QVectorPath::NonConvexShapeMask; + if (isLines) + flags |= QVectorPath::LinesShapeMask; + else { + flags |= QVectorPath::AreaShapeMask; + if (!convex) + flags |= QVectorPath::NonConvexShapeMask; + } + } QVarLengthArray<QPainterPath::ElementType> elements; QVarLengthArray<qreal> points; |