4 files changed, 39 insertions, 12 deletions

diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index e9ff752..dfd3e16 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -1101,6 +1101,9 @@ void QRasterPaintEnginePrivate::systemStateChanged()
 #ifdef QT_DEBUG_DRAW
     qDebug() << "systemStateChanged" << this << "deviceRect" << deviceRect << clipRect << systemClip;
 #endif
+
+    exDeviceRect = deviceRect;
+
     Q_Q(QRasterPaintEngine);
     q->state()->strokeFlags |= QPaintEngine::DirtyClipRegion;
     q->state()->fillFlags |= QPaintEngine::DirtyClipRegion;
@@ -1708,11 +1711,30 @@ void QRasterPaintEngine::stroke(const QVectorPath &path, const QPen &pen)
     if (!s->penData.blend)
         return;
 
-    if (s->flags.fast_pen && path.shape() <= QVectorPath::NonCurvedShapeHint && s->lastPen.brush().isOpaque()) {
-        strokePolygonCosmetic((QPointF *) path.points(), path.elementCount(),
-                              path.hasImplicitClose()
-                              ? WindingMode
-                              : PolylineMode);
+    if (s->flags.fast_pen && path.shape() <= QVectorPath::NonCurvedShapeHint
+        && s->lastPen.brush().isOpaque()) {
+        int count = path.elementCount();
+        QPointF *points = (QPointF *) path.points();
+        const QPainterPath::ElementType *types = path.elements();
+        if (types) {
+            int first = 0;
+            int last;
+            while (first < count) {
+                while (first < count && types[first] != QPainterPath::MoveToElement) ++first;
+                last = first + 1;
+                while (last < count && types[last] == QPainterPath::LineToElement) ++last;
+                strokePolygonCosmetic(points + first, last - first,
+                                      path.hasImplicitClose() && last == count // only close last one..
+                                      ? WindingMode
+                                      : PolylineMode);
+                first = last;
+            }
+        } else {
+            strokePolygonCosmetic(points, count,
+                                  path.hasImplicitClose()
+                                  ? WindingMode
+                                  : PolylineMode);
+        }
 
     } else if (s->flags.non_complex_pen && path.shape() == QVectorPath::LinesHint) {
         qreal width = s->lastPen.isCosmetic()
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index a4db284..797a5ab 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -364,12 +364,12 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
             d->activeStroker = 0;
         } else {
             // ### re-enable...
-//             if (pen.isCosmetic()) {
-//                 d->dashStroker->setClipRect(d->deviceRect);
-//             } else {
-//                 QRectF clipRect = s->matrix.inverted().mapRect(QRectF(d->deviceRect));
-//                 d->dashStroker->setClipRect(clipRect);
-//             }
+            if (pen.isCosmetic()) {
+                d->dasher.setClipRect(d->exDeviceRect);
+            } else {
+                QRectF clipRect = state()->matrix.inverted().mapRect(QRectF(d->exDeviceRect));
+                d->dasher.setClipRect(clipRect);
+            }
             d->dasher.setDashPattern(pen.dashPattern());
             d->dasher.setDashOffset(pen.dashOffset());
             d->activeStroker = &d->dasher;
diff --git a/src/gui/painting/qpaintengineex_p.h b/src/gui/painting/qpaintengineex_p.h
index d4e4862..7705cc1 100644
--- a/src/gui/painting/qpaintengineex_p.h
+++ b/src/gui/painting/qpaintengineex_p.h
@@ -225,6 +225,8 @@ public:
     StrokeHandler *strokeHandler;
     QStrokerOps *activeStroker;
     QPen strokerPen;
+
+    QRect exDeviceRect;
 };
 
 inline uint QVectorPath::polygonFlags(QPaintEngine::PolygonDrawMode mode) {
diff --git a/src/gui/painting/qstroker.cpp b/src/gui/painting/qstroker.cpp
index 0649589..b24bf86 100644
--- a/src/gui/painting/qstroker.cpp
+++ b/src/gui/painting/qstroker.cpp
@@ -1012,10 +1012,13 @@ void QDashStroker::processCurrentSubpath()
     int dashCount = qMin(m_dashPattern.size(), 32);
     qfixed dashes[32];
 
+    qreal longestLength = 0;
     qreal sumLength = 0;
     for (int i=0; i<dashCount; ++i) {
         dashes[i] = qMax(m_dashPattern.at(i), qreal(0)) * m_stroker->strokeWidth();
         sumLength += dashes[i];
+        if (dashes[i] > longestLength)
+            longestLength = dashes[i];
     }
 
     if (qFuzzyIsNull(sumLength))
@@ -1053,7 +1056,7 @@ void QDashStroker::processCurrentSubpath()
     qfixed2d line_to_pos;
 
     // Pad to avoid clipping the borders of thick pens.
-    qfixed padding = qMax(m_stroker->strokeWidth(), m_stroker->miterLimit());
+    qfixed padding = qt_real_to_fixed(qMax(m_stroker->strokeWidth(), m_stroker->miterLimit()) * longestLength);
     qfixed2d clip_tl = { qt_real_to_fixed(m_clip_rect.left()) - padding,
                          qt_real_to_fixed(m_clip_rect.top()) - padding };
     qfixed2d clip_br = { qt_real_to_fixed(m_clip_rect.right()) + padding ,