Merge commit 'qt/master-stable'

Conflicts:
	config.tests/unix/openssl/openssl.pri
	demos/embedded/embedded.pro
	examples/itemviews/chart/chart.pro
	examples/network/network.pro
	examples/painting/painterpaths/painterpaths.pro
	examples/threads/mandelbrot/mandelbrot.pro
	qmake/project.cpp
	src/3rdparty/libtiff/libtiff/tif_config.h
	src/corelib/arch/arch.pri
	src/corelib/global/qglobal.cpp
	src/corelib/kernel/kernel.pri
	src/corelib/kernel/qcore_unix_p.h
	src/corelib/kernel/qobject.cpp
	src/corelib/thread/qthread_unix.cpp
	src/corelib/tools/qsharedpointer_impl.h
	src/corelib/tools/tools.pri
	src/gui/kernel/qaction.h
	src/gui/kernel/qapplication.cpp
	src/gui/painting/qregion.h
	src/gui/widgets/qlineedit.cpp
	src/gui/widgets/qlineedit_p.h
	src/network/socket/qnativesocketengine_unix.cpp
	tests/auto/qdir/tst_qdir.cpp
	tests/auto/qdiriterator/tst_qdiriterator.cpp
	tests/auto/qhttp/qhttp.pro
	tests/auto/qline/qline.pro
	tests/auto/qnetworkreply/tst_qnetworkreply.cpp
	tests/auto/qresourceengine/qresourceengine.pro
	tests/auto/qsharedpointer/qsharedpointer.pro
	tests/auto/qstring/qstring.pro
	tests/auto/qtcpsocket/qtcpsocket.pro
	tests/auto/qtcpsocket/tst_qtcpsocket.cpp

22 files changed, 302 insertions, 830 deletions

diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index d153215..4121be6 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -101,8 +101,8 @@ win32 {
                 painting/qcolormap_win.cpp \
                 painting/qpaintdevice_win.cpp \
                 painting/qprintengine_win.cpp \
-                painting/qprinterinfo_win.cpp \
-                painting/qregion_win.cpp
+                painting/qprinterinfo_win.cpp
+
         !win32-borland:!wince*:LIBS += -lmsimg32
 }
 
@@ -127,10 +127,6 @@ embedded {
         painting/qwindowsurface_raster.cpp \
 }
 
-wince* {
-        SOURCES -= painting/qregion_win.cpp
-}
-
 unix:x11 {
         HEADERS += \
                 painting/qpaintengine_x11_p.h
diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp
index 405acb7..40c9bf2 100644
--- a/src/gui/painting/qbackingstore.cpp
+++ b/src/gui/painting/qbackingstore.cpp
@@ -39,6 +39,9 @@
 **
 ****************************************************************************/
 
+
+#include "qplatformdefs.h"
+
 #include "qbackingstore_p.h"
 
 #include <QtCore/qglobal.h>
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp
index 831d389..fc2eb60 100644
--- a/src/gui/painting/qblendfunctions.cpp
+++ b/src/gui/painting/qblendfunctions.cpp
@@ -223,8 +223,8 @@ void qt_scale_image_16bit(uchar *destPixels, int dbpl,
     int h = ty2 - ty1;
     int w = tx2 - tx1;
 
-    const int dstx = int((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix);
-    const int dsty = int((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy);
+    const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
+    const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
 
     quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx;
     quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty;
@@ -723,8 +723,8 @@ template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl,
     int h = ty2 - ty1;
     int w = tx2 - tx1;
 
-    const int dstx = int((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix);
-    const int dsty = int((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy);
+    const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
+    const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
 
     quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx;
     quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty;
diff --git a/src/gui/painting/qbrush.h b/src/gui/painting/qbrush.h
index 5479305..fdb3a8a 100644
--- a/src/gui/painting/qbrush.h
+++ b/src/gui/painting/qbrush.h
@@ -52,6 +52,15 @@
 #include <QtGui/qimage.h>
 #include <QtGui/qpixmap.h>
 
+#if defined(Q_OS_VXWORKS)
+#  if defined(m_data)
+#    undef m_data
+#  endif
+#  if defined(m_type)
+#    undef m_type
+#  endif
+#endif
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index a70923d..d77ed57 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -4954,30 +4954,60 @@ Q_STATIC_TEMPLATE_FUNCTION void blendTiled(int count, const QSpan *spans, void *
         if (sy < 0)
             sy += image_height;
 
-        while (length) {
-            int l = qMin(image_width - sx, length);
-            if (buffer_size < l)
-                l = buffer_size;
-
-            DST *dest = ((DST*)data->rasterBuffer->scanLine(spans->y)) + x;
-            const SRC *src = (SRC*)data->texture.scanLine(sy) + sx;
-            if (modeSource && coverage == 255) {
+        if (modeSource && coverage == 255) {
+            // Copy the first texture block
+            length = image_width;
+            while (length) {
+                int l = qMin(image_width - sx, length);
+                if (buffer_size < l)
+                    l = buffer_size;
+                DST *dest = ((DST*)data->rasterBuffer->scanLine(spans->y)) + x;
+                const SRC *src = (SRC*)data->texture.scanLine(sy) + sx;
                 qt_memconvert<DST, SRC>(dest, src, l);
-            } else if (sizeof(DST) == 3 && sizeof(SRC) == 3 && l >= 4 &&
-                       (quintptr(dest) & 3) == (quintptr(src) & 3))
-            {
-                blendUntransformed_dest24(dest, src, coverage, l);
-            } else if (sizeof(DST) == 2 && sizeof(SRC) == 2 && l >= 2 &&
-                       (quintptr(dest) & 3) == (quintptr(src) & 3))
-            {
-                blendUntransformed_dest16(dest, src, coverage, l);
-            } else {
-                blendUntransformed_unaligned(dest, src, coverage, l);
+                length -= l;
+                sx = 0;
             }
 
-            x += l;
-            length -= l;
-            sx = 0;
+            // Now use the rasterBuffer as the source of the texture,
+            // We can now progressively copy larger blocks
+            // - Less cpu time in code figuring out what to copy
+            // We are dealing with one block of data
+            // - More likely to fit in the cache
+            // - can use memcpy
+            int copy_image_width = image_width;
+            length = spans->len - image_width;
+            DST *src = ((DST*)data->rasterBuffer->scanLine(spans->y)) + x;
+            DST *dest = src + copy_image_width;
+            while (copy_image_width < length) {
+                qt_memconvert(dest, src, copy_image_width);
+                dest += copy_image_width;
+                length -= copy_image_width;
+                copy_image_width *= 2;
+            }
+            qt_memconvert(dest, src, length);
+        } else {
+            while (length) {
+                int l = qMin(image_width - sx, length);
+                if (buffer_size < l)
+                    l = buffer_size;
+                DST *dest = ((DST*)data->rasterBuffer->scanLine(spans->y)) + x;
+                const SRC *src = (SRC*)data->texture.scanLine(sy) + sx;
+                if (sizeof(DST) == 3 && sizeof(SRC) == 3 && l >= 4 &&
+                           (quintptr(dest) & 3) == (quintptr(src) & 3))
+                {
+                    blendUntransformed_dest24(dest, src, coverage, l);
+                } else if (sizeof(DST) == 2 && sizeof(SRC) == 2 && l >= 2 &&
+                           (quintptr(dest) & 3) == (quintptr(src) & 3))
+                {
+                    blendUntransformed_dest16(dest, src, coverage, l);
+                } else {
+                    blendUntransformed_unaligned(dest, src, coverage, l);
+                }
+
+                x += l;
+                length -= l;
+                sx = 0;
+            }
         }
         ++spans;
     }
diff --git a/src/gui/painting/qgrayraster.c b/src/gui/painting/qgrayraster.c
index 888fd9a..6ab7055 100644
--- a/src/gui/painting/qgrayraster.c
+++ b/src/gui/painting/qgrayraster.c
@@ -134,7 +134,9 @@
 
 #define ErrRaster_MemoryOverflow   -4
 
-
+#if defined(VXWORKS)
+#  include <vxWorksCommon.h>    /* needed for setjmp.h */
+#endif
 #include <string.h>             /* for qt_ft_memcpy() */
 #include <setjmp.h>
 #include <limits.h>
diff --git a/src/gui/painting/qoutlinemapper.cpp b/src/gui/painting/qoutlinemapper.cpp
index 401fad9..70125b9 100644
--- a/src/gui/painting/qoutlinemapper.cpp
+++ b/src/gui/painting/qoutlinemapper.cpp
@@ -198,32 +198,8 @@ void QOutlineMapper::endOutline()
                                           m_m22 * e.y() + m_m12 * e.x() + m_dy);
             }
         } else {
-            // ## TODO: this case needs to be plain code polygonal paths
-            QPainterPath path;
-            if (m_element_types.isEmpty()) {
-                if (!m_elements.isEmpty())
-                    path.moveTo(m_elements.at(0));
-                for (int i=1; i<m_elements.size(); ++i)
-                    path.lineTo(m_elements.at(i));
-            } else {
-                for (int i=0; i<m_elements.size(); ++i) {
-                    switch (m_element_types.at(i)) {
-                    case QPainterPath::MoveToElement:
-                        path.moveTo(m_elements.at(i));
-                        break;
-                    case QPainterPath::LineToElement:
-                        path.lineTo(m_elements.at(i));
-                        break;
-                    case QPainterPath::CurveToElement:
-                        path.cubicTo(m_elements.at(i), m_elements.at(i+1), m_elements.at(i+2));
-                        i += 2;
-                        break;
-                    default:
-                        Q_ASSERT(false);
-                        break;
-                    }
-                }
-            }
+            const QVectorPath vp((qreal *)m_elements.data(), m_elements.size(), m_element_types.data());
+            QPainterPath path = vp.convertToPainterPath();
             path = QTransform(m_m11, m_m12, m_m13, m_m21, m_m22, m_m23, m_dx, m_dy, m_m33).map(path);
             uint old_txop = m_txop;
             m_txop = QTransform::TxNone;
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 3d8e349..d9af3f6 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -1675,34 +1675,6 @@ void QRasterPaintEngine::drawRects(const QRectF *rects, int rectCount)
     QPaintEngineEx::drawRects(rects, rectCount);
 }
 
-void QRasterPaintEnginePrivate::strokeProjective(const QPainterPath &path)
-{
-    Q_Q(QRasterPaintEngine);
-    QRasterPaintEngineState *s = q->state();
-
-    const QPen &pen = s->lastPen;
-    QPainterPathStroker pathStroker;
-    pathStroker.setWidth(pen.width() == 0 ? qreal(1) : pen.width());
-    pathStroker.setCapStyle(pen.capStyle());
-    pathStroker.setJoinStyle(pen.joinStyle());
-    pathStroker.setMiterLimit(pen.miterLimit());
-    pathStroker.setDashOffset(pen.dashOffset());
-
-    if (qpen_style(pen) == Qt::CustomDashLine)
-        pathStroker.setDashPattern(pen.dashPattern());
-    else
-        pathStroker.setDashPattern(qpen_style(pen));
-
-    outlineMapper->setMatrix(QTransform());
-    const QPainterPath stroke = pen.isCosmetic()
-        ? pathStroker.createStroke(s->matrix.map(path))
-        : s->matrix.map(pathStroker.createStroke(path));
-
-    rasterize(outlineMapper->convertPath(stroke), s->penData.blend, &s->penData, rasterBuffer);
-    outlinemapper_xform_dirty = true;
-}
-
-
 
 /*!
     \internal
@@ -1767,6 +1739,8 @@ void QRasterPaintEngine::stroke(const QVectorPath &path, const QPen &pen)
         const QLineF *lines = reinterpret_cast<const QLineF *>(path.points());
 
         for (int i = 0; i < lineCount; ++i) {
+            if (path.shape() == QVectorPath::LinesHint)
+                dashOffset = s->lastPen.dashOffset();
             if (lines[i].p1() == lines[i].p2()) {
                 if (s->lastPen.capStyle() != Qt::FlatCap) {
                     QPointF p = lines[i].p1();
@@ -1972,67 +1946,6 @@ void QRasterPaintEngine::fillRect(const QRectF &r, const QColor &color)
     fillRect(r, &d->solid_color_filler);
 }
 
-/*!
-    \reimp
-*/
-void QRasterPaintEngine::drawPath(const QPainterPath &path)
-{
-#ifdef QT_DEBUG_DRAW
-    QRectF bounds = path.boundingRect();
-    qDebug(" - QRasterPaintEngine::drawPath(), [%.2f, %.2f, %.2f, %.2f]",
-           bounds.x(), bounds.y(), bounds.width(), bounds.height());
-#endif
-
-    if (path.isEmpty())
-        return;
-
-    // Filling..,
-    Q_D(QRasterPaintEngine);
-    QRasterPaintEngineState *s = state();
-
-    ensureBrush();
-    if (s->brushData.blend) {
-        ensureOutlineMapper();
-        fillPath(path, &s->brushData);
-    }
-
-    // Stroking...
-    ensurePen();
-    if (!s->penData.blend)
-        return;
-    {
-        if (s->matrix.type() >= QTransform::TxProject) {
-            d->strokeProjective(path);
-        } else {
-            Q_ASSERT(s->stroker);
-            d->outlineMapper->beginOutline(Qt::WindingFill);
-            qreal txscale = 1;
-            if (s->pen.isCosmetic() || (qt_scaleForTransform(s->matrix, &txscale) && txscale != 1)) {
-                const qreal strokeWidth = d->basicStroker.strokeWidth();
-                const QRectF clipRect = d->dashStroker ? d->dashStroker->clipRect() : QRectF();
-                if (d->dashStroker)
-                    d->dashStroker->setClipRect(d->deviceRect);
-                d->basicStroker.setStrokeWidth(strokeWidth * txscale);
-                d->outlineMapper->setMatrix(QTransform());
-                s->stroker->strokePath(path, d->outlineMapper, s->matrix);
-                d->outlinemapper_xform_dirty = true;
-                d->basicStroker.setStrokeWidth(strokeWidth);
-                if (d->dashStroker)
-                    d->dashStroker->setClipRect(clipRect);
-            } else {
-                ensureOutlineMapper();
-                s->stroker->strokePath(path, d->outlineMapper, QTransform());
-            }
-            d->outlineMapper->endOutline();
-
-            ProcessSpans blend = d->getPenFunc(d->outlineMapper->controlPointRect,
-                    &s->penData);
-            d->rasterize(d->outlineMapper->outline(), blend, &s->penData, d->rasterBuffer);
-        }
-    }
-
-}
-
 static inline bool isAbove(const QPointF *a, const QPointF *b)
 {
     return a->y() < b->y();
@@ -3546,8 +3459,8 @@ void QRasterPaintEngine::drawLines(const QLine *lines, int lineCount)
         int m22 = int(s->matrix.m22());
         int dx = qFloor(s->matrix.dx() + aliasedCoordinateDelta);
         int dy = qFloor(s->matrix.dy() + aliasedCoordinateDelta);
-        int dashOffset = int(s->lastPen.dashOffset());
         for (int i=0; i<lineCount; ++i) {
+            int dashOffset = int(s->lastPen.dashOffset());
             if (s->flags.int_xform) {
                 const QLine &l = lines[i];
                 int x1 = l.x1() * m11 + dx;
@@ -3646,8 +3559,8 @@ void QRasterPaintEngine::drawLines(const QLineF *lines, int lineCount)
                             ? LineDrawNormal
                             : LineDrawIncludeLastPixel;
 
-        int dashOffset = int(s->lastPen.dashOffset());
         for (int i=0; i<lineCount; ++i) {
+            int dashOffset = int(s->lastPen.dashOffset());
             QLineF line = (lines[i] * s->matrix).translated(aliasedCoordinateDelta, aliasedCoordinateDelta);
             const QRectF brect(QPointF(line.x1(), line.y1()),
                                QPointF(line.x2(), line.y2()));
diff --git a/src/gui/painting/qpaintengine_raster_p.h b/src/gui/painting/qpaintengine_raster_p.h
index 283c442..3dab491 100644
--- a/src/gui/painting/qpaintengine_raster_p.h
+++ b/src/gui/painting/qpaintengine_raster_p.h
@@ -165,7 +165,6 @@ public:
 
     void updateMatrix(const QTransform &matrix);
 
-    void drawPath(const QPainterPath &path);
     void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
     void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);
     void fillPath(const QPainterPath &path, QSpanData *fillData);
@@ -327,7 +326,6 @@ public:
 
     inline const QClipData *clip() const;
 
-    void strokeProjective(const QPainterPath &path);
     void initializeRasterizer(QSpanData *data);
 
     void recalculateFastImages();
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index a71fe52..81dce4f 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -42,6 +42,7 @@
 #include "qpaintengineex_p.h"
 #include "qpainter_p.h"
 #include "qstroker_p.h"
+#include "qbezier_p.h"
 #include <private/qpainterpath_p.h>
 
 #include <qvarlengtharray.h>
@@ -91,6 +92,40 @@ QRectF QVectorPath::controlPointRect() const
     return QRectF(QPointF(m_cp_rect.x1, m_cp_rect.y1), QPointF(m_cp_rect.x2, m_cp_rect.y2));
 }
 
+QPainterPath QVectorPath::convertToPainterPath() const
+{
+    QPainterPath path;
+
+    if (m_count == 0)
+        return path;
+
+    const QPointF *points = (const QPointF *) m_points;
+
+    if (m_elements) {
+        for (int i=0; i<m_count; ++i) {
+            switch (m_elements[i]) {
+            case QPainterPath::MoveToElement:
+                path.moveTo(points[i]);
+                break;
+            case QPainterPath::LineToElement:
+                path.lineTo(points[i]);
+                break;
+            case QPainterPath::CurveToElement:
+                path.cubicTo(points[i], points[i+1], points[i+2]);
+                break;
+            default:
+                break;
+            }
+        }
+    } else {
+        path.moveTo(points[0]);
+        for (int i=1; i<m_count; ++i)
+            path.lineTo(points[i]);
+    }
+
+    return path;
+}
+
 const QVectorPath &qtVectorPathForPath(const QPainterPath &path)
 {
     Q_ASSERT(path.d_func());
@@ -384,7 +419,6 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
 
     const qreal *lastPoint = points + (pointCount<<1);
 
-    d->activeStroker->begin(d->strokeHandler);
     d->strokeHandler->types.reset();
     d->strokeHandler->pts.reset();
 
@@ -393,13 +427,13 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
     if (d->stroker.capStyle() == Qt::RoundCap || d->stroker.joinStyle() == Qt::RoundJoin)
         flags |= QVectorPath::CurvedShapeHint;
 
-    // ### Perspective Xforms are currently not supported...
     qreal txscale = 1;
     if (!(pen.isCosmetic() || (qt_scaleForTransform(state()->matrix, &txscale) && txscale != 1))) {
         // We include cosmetic pens in this case to avoid having to
         // change the current transform. Normal transformed,
         // non-cosmetic pens will be transformed as part of fill
         // later, so they are also covered here..
+        d->activeStroker->begin(d->strokeHandler);
         if (types) {
             while (points < lastPoint) {
                 switch (*types) {
@@ -448,69 +482,75 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
         QVectorPath strokePath(d->strokeHandler->pts.data(),
                                d->strokeHandler->types.size(),
                                d->strokeHandler->types.data(),
-                               QVectorPath::WindingFill);
+                               flags);
         fill(strokePath, pen.brush());
     } else {
         const qreal strokeWidth = d->stroker.strokeWidth();
         d->stroker.setStrokeWidth(strokeWidth * txscale);
         // For cosmetic pens we need a bit of trickery... We to process xform the input points
-        if (types) {
-            while (points < lastPoint) {
-                switch (*types) {
-                case QPainterPath::MoveToElement: {
-                    QPointF pt = (*(QPointF *) points) * state()->matrix;
-                    d->activeStroker->moveTo(pt.x(), pt.y());
-                    points += 2;
-                    ++types;
-                    break;
+        if (state()->matrix.type() >= QTransform::TxProject) {
+            QPainterPath painterPath = state()->matrix.map(path.convertToPainterPath());
+            d->activeStroker->strokePath(painterPath, d->strokeHandler, QTransform());
+        } else {
+            d->activeStroker->begin(d->strokeHandler);
+            if (types) {
+                while (points < lastPoint) {
+                    switch (*types) {
+                    case QPainterPath::MoveToElement: {
+                        QPointF pt = (*(QPointF *) points) * state()->matrix;
+                        d->activeStroker->moveTo(pt.x(), pt.y());
+                        points += 2;
+                        ++types;
+                        break;
+                    }
+                    case QPainterPath::LineToElement: {
+                        QPointF pt = (*(QPointF *) points) * state()->matrix;
+                        d->activeStroker->lineTo(pt.x(), pt.y());
+                        points += 2;
+                        ++types;
+                        break;
+                    }
+                    case QPainterPath::CurveToElement: {
+                        QPointF c1 = ((QPointF *) points)[0] * state()->matrix;
+                        QPointF c2 = ((QPointF *) points)[1] * state()->matrix;
+                        QPointF e =  ((QPointF *) points)[2] * state()->matrix;
+                        d->activeStroker->cubicTo(c1.x(), c1.y(), c2.x(), c2.y(), e.x(), e.y());
+                        points += 6;
+                        types += 3;
+                        flags |= QVectorPath::CurvedShapeHint;
+                        break;
+                    }
+                    default:
+                        break;
+                    }
                 }
-                case QPainterPath::LineToElement: {
-                    QPointF pt = (*(QPointF *) points) * state()->matrix;
+                if (path.hasImplicitClose()) {
+                    QPointF pt = * ((QPointF *) path.points()) * state()->matrix;
                     d->activeStroker->lineTo(pt.x(), pt.y());
-                    points += 2;
-                    ++types;
-                    break;
                 }
-                case QPainterPath::CurveToElement: {
-                    QPointF c1 = ((QPointF *) points)[0] * state()->matrix;
-                    QPointF c2 = ((QPointF *) points)[1] * state()->matrix;
-                    QPointF e =  ((QPointF *) points)[2] * state()->matrix;
-                    d->activeStroker->cubicTo(c1.x(), c1.y(), c2.x(), c2.y(), e.x(), e.y());
-                    points += 6;
-                    types += 3;
-                    flags |= QVectorPath::CurvedShapeHint;
-                    break;
-                }
-                default:
-                    break;
-                }
-            }
-            if (path.hasImplicitClose()) {
-                QPointF pt = * ((QPointF *) path.points()) * state()->matrix;
-                d->activeStroker->lineTo(pt.x(), pt.y());
-            }
 
-        } else {
-            QPointF p = ((QPointF *)points)[0] * state()->matrix;
-            d->activeStroker->moveTo(p.x(), p.y());
-            points += 2;
-            ++types;
-            while (points < lastPoint) {
+            } else {
                 QPointF p = ((QPointF *)points)[0] * state()->matrix;
-                d->activeStroker->lineTo(p.x(), p.y());
+                d->activeStroker->moveTo(p.x(), p.y());
                 points += 2;
                 ++types;
+                while (points < lastPoint) {
+                    QPointF p = ((QPointF *)points)[0] * state()->matrix;
+                    d->activeStroker->lineTo(p.x(), p.y());
+                    points += 2;
+                    ++types;
+                }
+                if (path.hasImplicitClose())
+                    d->activeStroker->lineTo(p.x(), p.y());
             }
-            if (path.hasImplicitClose())
-                d->activeStroker->lineTo(p.x(), p.y());
+            d->activeStroker->end();
         }
 
-        d->activeStroker->end();
         d->stroker.setStrokeWidth(strokeWidth);
         QVectorPath strokePath(d->strokeHandler->pts.data(),
                                d->strokeHandler->types.size(),
                                d->strokeHandler->types.data(),
-                               QVectorPath::WindingFill);
+                               flags);
 
         QTransform xform = state()->matrix;
         state()->matrix = QTransform();
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index b5301d1..f9fd61e 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -3280,6 +3280,8 @@ void QPainterPath::setDirty(bool dirty)
 {
     d_func()->dirtyBounds        = dirty;
     d_func()->dirtyControlBounds = dirty;
+    delete d_func()->pathConverter;
+    d_func()->pathConverter = 0;
 }
 
 void QPainterPath::computeBoundingRect() const
diff --git a/src/gui/painting/qregion.cpp b/src/gui/painting/qregion.cpp
index 7289a6b..47d24b3 100644
--- a/src/gui/painting/qregion.cpp
+++ b/src/gui/painting/qregion.cpp
@@ -49,7 +49,7 @@
 
 #include <qdebug.h>
 
-#if defined(Q_OS_UNIX) || defined(Q_OS_WINCE)
+#if defined(Q_OS_UNIX) || defined(Q_WS_WIN)
 #include "qimage.h"
 #include "qbitmap.h"
 #include <stdlib.h>
@@ -545,7 +545,7 @@ QRegion& QRegion::operator|=(const QRegion &r)
 
     \sa intersected()
 */
-#if !defined (Q_OS_UNIX) && !defined (Q_OS_WINCE)
+#if !defined (Q_OS_UNIX) && !defined (Q_WS_WIN)
 QRegion& QRegion::operator+=(const QRect &r)
 {
     return operator+=(QRegion(r));
@@ -561,16 +561,14 @@ QRegion& QRegion::operator+=(const QRect &r)
 
   \sa intersected()
 */
-#if !defined(Q_WS_WIN) || defined(Q_OS_WINCE)
 QRegion& QRegion::operator&=(const QRegion &r)
     { return *this = *this & r; }
-#endif
 
 /*!
    \overload
    \since 4.4
  */
-#if defined (Q_OS_UNIX) || defined (Q_OS_WINCE)
+#if defined (Q_OS_UNIX) || defined (Q_WS_WIN)
 QRegion& QRegion::operator&=(const QRect &r)
 {
     return *this = *this & r;
@@ -591,10 +589,8 @@ QRegion& QRegion::operator&=(const QRect &r)
 
   \sa subtracted()
 */
-#if !defined(Q_WS_WIN) || defined(Q_OS_WINCE)
 QRegion& QRegion::operator-=(const QRegion &r)
     { return *this = *this - r; }
-#endif
 
 /*!
     Applies the xored() function to this region and \a r and
@@ -731,7 +727,7 @@ bool QRegion::intersects(const QRect &rect) const
     return false;
 }
 
-#if !defined (Q_OS_UNIX) && !defined (Q_OS_WINCE)
+#if !defined (Q_OS_UNIX) && !defined (Q_WS_WIN)
 /*!
     \overload
     \since 4.4
@@ -1086,7 +1082,7 @@ Q_AUTOTEST_EXPORT QPainterPath qt_regionToPath(const QRegion &region)
     return result;
 }
 
-#if defined(Q_OS_UNIX) || defined(Q_OS_WINCE)
+#if defined(Q_OS_UNIX) || defined(Q_WS_WIN)
 
 //#define QT_REGION_DEBUG
 /*
@@ -1627,9 +1623,9 @@ QT_END_INCLUDE_NAMESPACE
 QT_BEGIN_INCLUDE_NAMESPACE
 # include "qregion_mac.cpp"
 QT_END_INCLUDE_NAMESPACE
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_WS_WIN)
 QT_BEGIN_INCLUDE_NAMESPACE
-# include "qregion_wince.cpp"
+# include "qregion_win.cpp"
 QT_END_INCLUDE_NAMESPACE
 #elif defined(Q_WS_QWS)
 static QRegionPrivate qrp;
@@ -3846,7 +3842,7 @@ QRegion::QRegion(const QRect &r, RegionType t)
 #if defined(Q_WS_X11)
         d->rgn = 0;
         d->xrectangles = 0;
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_WS_WIN)
         d->rgn = 0;
 #endif
         if (t == Rectangle) {
@@ -3868,7 +3864,7 @@ QRegion::QRegion(const QPolygon &a, Qt::FillRule fillRule)
 #if defined(Q_WS_X11)
         d->rgn = 0;
         d->xrectangles = 0;
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_WS_WIN)
         d->rgn = 0;
 #endif
         d->qt_rgn = PolygonRegion(a.constData(), a.size(),
@@ -3898,7 +3894,7 @@ QRegion::QRegion(const QBitmap &bm)
 #if defined(Q_WS_X11)
         d->rgn = 0;
         d->xrectangles = 0;
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_WS_WIN)
         d->rgn = 0;
 #endif
         d->qt_rgn = qt_bitmapToRegion(bm);
@@ -3913,7 +3909,7 @@ void QRegion::cleanUp(QRegion::QRegionData *x)
         XDestroyRegion(x->rgn);
     if (x->xrectangles)
         free(x->xrectangles);
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_WS_WIN)
     if (x->rgn)
         qt_win_dispose_rgn(x->rgn);
 #endif
@@ -3948,7 +3944,7 @@ QRegion QRegion::copy() const
 #if defined(Q_WS_X11)
     x->rgn = 0;
     x->xrectangles = 0;
-#elif defined(Q_OS_WINCE)
+#elif defined(Q_WS_WIN)
     x->rgn = 0;
 #endif
     if (d->qt_rgn)
diff --git a/src/gui/painting/qregion.h b/src/gui/painting/qregion.h
index 61a0623..8a56d54 100644
--- a/src/gui/painting/qregion.h
+++ b/src/gui/painting/qregion.h
@@ -59,7 +59,7 @@ QT_MODULE(Gui)
 template <class T> class QVector;
 class QVariant;
 
-#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_OS_WINCE) || defined(Q_OS_SYMBIAN)
+#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_WIN) || defined(Q_OS_SYMBIAN)
 struct QRegionPrivate;
 #endif
 
@@ -148,6 +148,7 @@ public:
 #elif defined(Q_WS_MAC)
 #if defined Q_WS_MAC32
     RgnHandle toQDRgn() const;
+    RgnHandle toQDRgnForUpdate_sys() const;
     static QRegion fromQDRgn(RgnHandle shape);
 #endif
 #ifdef QT_MAC_USE_COCOA
@@ -199,7 +200,7 @@ private:
 #elif defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA)
         mutable RgnHandle unused; // Here for binary compatability reasons. ### Qt 5 remove.
 #endif
-#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_OS_WINCE) || defined(Q_OS_SYMBIAN)
+#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_WIN) || defined(Q_OS_SYMBIAN)
         QRegionPrivate *qt_rgn;
 #endif
     };
diff --git a/src/gui/painting/qregion_mac.cpp b/src/gui/painting/qregion_mac.cpp
index b57f234..9b0e99f 100644
--- a/src/gui/painting/qregion_mac.cpp
+++ b/src/gui/painting/qregion_mac.cpp
@@ -155,6 +155,44 @@ RgnHandle QRegion::toQDRgn() const
     }
     return rgnHandle;
 }
+
+/*!
+    \internal
+     Create's a RegionHandle, it's the caller's responsibility to release.
+     Returns 0 if the QRegion overflows.
+*/
+RgnHandle QRegion::toQDRgnForUpdate_sys() const
+{
+    RgnHandle rgnHandle = qt_mac_get_rgn();
+    if(d->qt_rgn && d->qt_rgn->numRects) {
+        RgnHandle tmp_rgn = qt_mac_get_rgn();
+        int n = d->qt_rgn->numRects;
+        const QRect *qt_r = (n == 1) ? &d->qt_rgn->extents : d->qt_rgn->rects.constData();
+        while (n--) {
+
+            // detect overflow. Tested for use with HIViewSetNeedsDisplayInRegion
+            // in QWidgetPrivate::update_sys().
+            enum { HIViewSetNeedsDisplayInRegionOverflow = 10000 }; // empirically determined conservative value
+            qDebug() << qt_r->x() << qt_r->y() << qt_r->right() << qt_r->bottom();
+            if (qt_r->right() > HIViewSetNeedsDisplayInRegionOverflow || qt_r->bottom() > HIViewSetNeedsDisplayInRegionOverflow) {
+                qt_mac_dispose_rgn(tmp_rgn);
+                qt_mac_dispose_rgn(rgnHandle);
+                return 0;
+            }
+
+            SetRectRgn(tmp_rgn,
+                       qMax(SHRT_MIN, qt_r->x()),
+                       qMax(SHRT_MIN, qt_r->y()),
+                       qMin(SHRT_MAX, qt_r->right() + 1),
+                       qMin(SHRT_MAX, qt_r->bottom() + 1));
+            UnionRgn(rgnHandle, tmp_rgn, rgnHandle);
+            ++qt_r;
+        }
+        qt_mac_dispose_rgn(tmp_rgn);
+    }
+    return rgnHandle;
+}
+
 #endif
 
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
diff --git a/src/gui/painting/qregion_win.cpp b/src/gui/painting/qregion_win.cpp
index 249b1a6..2d5e76b 100644
--- a/src/gui/painting/qregion_win.cpp
+++ b/src/gui/painting/qregion_win.cpp
@@ -39,27 +39,25 @@
 **
 ****************************************************************************/
 
+#include "qatomic.h"
 #include "qbitmap.h"
 #include "qbuffer.h"
 #include "qimage.h"
 #include "qpolygon.h"
 #include "qregion.h"
 #include "qt_windows.h"
+#include "qpainterpath.h"
+#include "qguifunctions_wince.h"
 
 QT_BEGIN_NAMESPACE
 
+QRegion::QRegionData QRegion::shared_empty = { Q_BASIC_ATOMIC_INITIALIZER(1), 0, 0 };
 
-/*
-    In Windows versions before Windows Vista CreateRectRgn - when called in a multi-threaded
-    environment - might return an invalid handle. This function works around this limitation
-    by verifying the handle with a quick GetRegionData() call and re-creates the region
-    if necessary.
-*/
 HRGN qt_tryCreateRegion(QRegion::RegionType type, int left, int top, int right, int bottom)
 {
     const int tries = 10;
     for (int i = 0; i < tries; ++i) {
-        HRGN region = 0;
+        HRGN region;
         switch (type) {
         case QRegion::Rectangle:
             region = CreateRectRgn(left, top, right, bottom);
@@ -80,497 +78,73 @@ HRGN qt_tryCreateRegion(QRegion::RegionType type, int left, int top, int right,
     return 0;
 }
 
-#ifndef Q_OS_WINCE
-HRGN qt_tryCreatePolygonRegion(const QPolygon &a, Qt::FillRule fillRule)
-{
-    const int tries = 10;
-    for (int i = 0; i < tries; ++i) {
-        HRGN region = CreatePolygonRgn(reinterpret_cast<const POINT*>(a.data()), a.size(),
-                                       fillRule == Qt::OddEvenFill ? ALTERNATE : WINDING);
-        if (region) {
-            if (GetRegionData(region, 0, 0))
-                return region;
-            else
-                DeleteObject(region);
-        }
-    }
-    return 0;
-}
-#endif
-
-QRegion::QRegionData QRegion::shared_empty = { Q_BASIC_ATOMIC_INITIALIZER(1), 0 };
-
-QRegion::QRegion()
-    : d(&shared_empty)
-{
-    d->ref.ref();
-}
-
-#ifndef Q_OS_WINCE //implementation for WindowsCE in qregion_wce.cpp
-QRegion::QRegion(const QRect &r, RegionType t)
-{
-    if (r.isEmpty()) {
-        d = &shared_empty;
-        d->ref.ref();
-    } else {
-        d = new QRegionData;
-        d->ref = 1;
-        if (t == Rectangle)
-            d->rgn = qt_tryCreateRegion(t, r.left(), r.top(), r.x() + r.width(), r.y() + r.height());
-        else if (t == Ellipse) {
-            // need to add 1 to width/height for the ellipse to have correct boundingrect.
-            d->rgn = qt_tryCreateRegion(t, r.x(), r.y(), r.x() + r.width() + 1, r.y() + r.height() + 1);
-        }
-    }
-}
-#endif
-
-#ifndef Q_OS_WINCE //implementation for WindowsCE in qregion_wce.cpp
-QRegion::QRegion(const QPolygon &a, Qt::FillRule fillRule)
-{
-    if (a.size() < 3) {
-        d = &shared_empty;
-        d->ref.ref();
-    } else {
-        d = new QRegionData;
-        d->ref = 1;
-        d->rgn = qt_tryCreatePolygonRegion(a, fillRule);
-    }
-}
-#endif
-
-QRegion::QRegion(const QRegion &r)
-{
-    d = r.d;
-    d->ref.ref();
-}
-
-HRGN qt_win_bitmapToRegion(const QBitmap& bitmap)
-{
-    HRGN region=0;
-    QImage image = bitmap.toImage();
-    const int MAXRECT = 256;
-    struct RData {
-        RGNDATAHEADER header;
-        RECT rect[MAXRECT];
-    };
-    RData data;
-
-#define FlushSpans \
-    { \
-                data.header.dwSize = sizeof(RGNDATAHEADER); \
-                data.header.iType = RDH_RECTANGLES; \
-                data.header.nCount = n; \
-                data.header.nRgnSize = 0; \
-                data.header.rcBound.bottom = y; \
-                HRGN r = ExtCreateRegion(0, \
-                    sizeof(RGNDATAHEADER)+n*sizeof(RECT),(RGNDATA*)&data); \
-                if (region) { \
-                    CombineRgn(region, region, r, RGN_OR); \
-                    DeleteObject(r); \
-                } else { \
-                    region = r; \
-                } \
-                data.header.rcBound.top = y; \
-        }
-
-#define AddSpan \
-        { \
-            data.rect[n].left=prev1; \
-            data.rect[n].top=y; \
-            data.rect[n].right=x-1+1; \
-            data.rect[n].bottom=y+1; \
-            n++; \
-            if (n == MAXRECT) { \
-                FlushSpans \
-                n=0; \
-            } \
-        }
-
-    data.header.rcBound.top = 0;
-    data.header.rcBound.left = 0;
-    data.header.rcBound.right = image.width()-1;
-    int n = 0;
-
-    int zero = 0x00;
-
-    int x, y;
-    for (y = 0; y < image.height(); ++y) {
-        uchar *line = image.scanLine(y);
-        int w = image.width();
-        uchar all=zero;
-        int prev1 = -1;
-        for (x = 0; x < w;) {
-            uchar byte = line[x/8];
-            if (x > w - 8 || byte != all) {
-                for (int b = 8; b > 0 && x < w; --b) {
-                    if (!(byte & 0x01) == !all) {
-                        // More of the same
-                    } else {
-                        // A change.
-                        if (all != zero) {
-                            AddSpan;
-                            all = zero;
-                        } else {
-                            prev1 = x;
-                            all = ~zero;
-                        }
-                    }
-                    byte >>= 1;
-                    ++x;
-                }
-            } else {
-                x += 8;
-            }
-        }
-        if (all != zero) {
-            AddSpan;
-        }
-    }
-    if (n) {
-        FlushSpans;
-    }
-
-    if (!region) {
-        // Surely there is some better way.
-        region = qt_tryCreateRegion(QRegion::Rectangle, 0,0,1,1);
-        CombineRgn(region, region, region, RGN_XOR);
-    }
-    return region;
-}
-
-#ifndef Q_OS_WINCE //implementation for WindowsCE in qregion_wce.cpp
-QRegion::QRegion(const QBitmap &bm)
-{
-    if (bm.isNull()) {
-        d = &shared_empty;
-        d->ref.ref();
-    } else {
-        d = new QRegionData;
-        d->ref = 1;
-        d->rgn = qt_win_bitmapToRegion(bm);
-    }
-}
-#endif
-
-void QRegion::cleanUp(QRegion::QRegionData *x)
-{
-    if (x->rgn)
-        DeleteObject(x->rgn);
-    delete x;
-}
-
-QRegion::~QRegion()
-{
-    if (!d->ref.deref())
-        cleanUp(d);
-}
-
-QRegion &QRegion::operator=(const QRegion &r)
-{
-    r.d->ref.ref();
-    if (!d->ref.deref())
-        cleanUp(d);
-    d = r.d;
-    return *this;
-}
-
-
-QRegion QRegion::copy() const
-{
-    QRegion r;
-    QRegionData *x = new QRegionData;
-    x->ref = 1;
-    if (d->rgn) {
-        x->rgn = qt_tryCreateRegion(QRegion::Rectangle, 0, 0, 2, 2);
-        CombineRgn(x->rgn, d->rgn, 0, RGN_COPY);
-    } else {
-        x->rgn = 0;
-    }
-    if (!r.d->ref.deref())
-        cleanUp(r.d);
-    r.d = x;
-    return r;
-}
-
-bool QRegion::isEmpty() const
-{
-    return (d == &shared_empty || boundingRect().isEmpty());
-}
-
-
-bool QRegion::contains(const QPoint &p) const
-{
-    return d->rgn ? PtInRegion(d->rgn, p.x(), p.y()) : false;
-}
-
-bool QRegion::contains(const QRect &r) const
-{
-    if (!d->rgn)
-        return false;
-    RECT rect;
-    SetRect(&rect, r.left(), r.top(), r.right(), r.bottom());
-    return RectInRegion(d->rgn, &rect);
-}
-
-
-void QRegion::translate(int dx, int dy)
-{
-    if (!d->rgn || (dx == 0 && dy == 0))
-        return;
-    detach();
-    OffsetRgn(d->rgn, dx, dy);
-}
-
-
-#define RGN_NOP -1
-
-// Duplicates of those in qregion.cpp
-#define QRGN_OR               6
-#define QRGN_AND              7
-#define QRGN_SUB              8
-#define QRGN_XOR              9
-
-/*
-  Performs the actual OR, AND, SUB and XOR operation between regions.
-  Sets the resulting region handle to 0 to indicate an empty region.
-*/
-
-QRegion QRegion::winCombine(const QRegion &r, int op) const
+QRegion qt_region_from_HRGN(HRGN rgn)
 {
-    int both=RGN_NOP,
-        left=RGN_NOP,
-        right=RGN_NOP;
-    switch (op) {
-        case QRGN_OR:
-            both = RGN_OR;
-            left = right = RGN_COPY;
-            break;
-        case QRGN_AND:
-            both = RGN_AND;
-            break;
-        case QRGN_SUB:
-            both = RGN_DIFF;
-            left = RGN_COPY;
-            break;
-        case QRGN_XOR:
-            both = RGN_XOR;
-            left = right = RGN_COPY;
-            break;
-        default:
-            qWarning("QRegion: Internal error in winCombine");
-    }
-
-    int allCombineRgnResults = NULLREGION;
-    QRegion result;
-    result.detach();
-    result.d->rgn = qt_tryCreateRegion(QRegion::Rectangle, 0, 0, 0, 0);
-    if (d->rgn && r.d->rgn)
-        allCombineRgnResults = CombineRgn(result.d->rgn, d->rgn, r.d->rgn, both);
-    else if (d->rgn && left != RGN_NOP)
-        allCombineRgnResults = CombineRgn(result.d->rgn, d->rgn, d->rgn, left);
-    else if (r.d->rgn && right != RGN_NOP)
-        allCombineRgnResults = CombineRgn(result.d->rgn, r.d->rgn, r.d->rgn, right);
-
-    if (allCombineRgnResults == NULLREGION || allCombineRgnResults == ERROR)
-        result = QRegion();
-
-    //##### do not delete this. A null pointer is different from an empty region in SelectClipRgn in qpainter_win! (M)
-//     if (allCombineRgnResults == NULLREGION) {
-//         if (result.data->rgn)
-//             DeleteObject(result.data->rgn);
-//         result.data->rgn = 0;                        // empty region
-//     }
-    return result;
-}
-
-QRegion QRegion::unite(const QRegion &r) const
-{
-    if (!d->rgn)
-        return r;
-    if (!r.d->rgn)
-        return *this;
-    return winCombine(r, QRGN_OR);
-}
-
-QRegion QRegion::unite(const QRect &r) const
-{
-    return unite(QRegion(r));
-}
-
-QRegion QRegion::intersect(const QRegion &r) const
-{
-    if (!r.d->rgn || !d->rgn)
-        return QRegion();
-     return winCombine(r, QRGN_AND);
-}
-
-QRegion QRegion::subtract(const QRegion &r) const
-{
-    if (!r.d->rgn || !d->rgn)
-        return *this;
-    return winCombine(r, QRGN_SUB);
-}
-
-QRegion QRegion::eor(const QRegion &r) const
-{
-    if (!d->rgn)
-        return r;
-    if (!r.d->rgn)
-        return *this;
-    return winCombine(r, QRGN_XOR);
-}
-
-
-QRect QRegion::boundingRect() const
-{
-    if (!d->rgn)
-        return QRect();
-    RECT r;
-    if (GetRgnBox(d->rgn, &r) == NULLREGION)
-        return QRect();
-    else
-        return QRect(r.left, r.top, r.right - r.left, r.bottom - r.top);
-}
-
-QVector<QRect> QRegion::rects() const
-{
-    if (d->rgn == 0)
-        return QVector<QRect>();
-
-    int numBytes = GetRegionData(d->rgn, 0, 0);
+    int numBytes = GetRegionData(rgn, 0, 0);
     if (numBytes == 0)
-        return QVector<QRect>();
+        return QRegion();
 
     char *buf = new char[numBytes];
     if (buf == 0)
-        return QVector<QRect>();
+        return QRegion();
 
     RGNDATA *rd = reinterpret_cast<RGNDATA*>(buf);
-    if (GetRegionData(d->rgn, numBytes, rd) == 0) {
+    if (GetRegionData(rgn, numBytes, rd) == 0) {
         delete [] buf;
-        return QVector<QRect>();
+        return QRegion();
     }
 
-    QVector<QRect> a(rd->rdh.nCount);
+    QRegion region;
     RECT *r = reinterpret_cast<RECT*>(rd->Buffer);
-    for (int i = 0; i < a.size(); ++i) {
-        a[i].setCoords(r->left, r->top, r->right - 1, r->bottom - 1);
+    for (int i = 0; i < rd->rdh.nCount; ++i) {
+        QRect rect;
+        rect.setCoords(r->left, r->top, r->right - 1, r->bottom - 1);
         ++r;
+        region |= rect;
     }
 
     delete [] buf;
-    return a;
-}
-
-void QRegion::setRects(const QRect *rects, int num)
-{
-    *this = QRegion();
-    if (!rects || num == 0 || (num == 1 && rects->isEmpty()))
-        return;
-    for (int i = 0; i < num; ++i)
-        *this |= rects[i];
-}
-
-int QRegion::numRects() const
-{
-    if (d->rgn == 0)
-        return 0;
-
-    const int numBytes = GetRegionData(d->rgn, 0, 0);
-    if (numBytes == 0)
-        return 0;
-
-    char *buf = new char[numBytes];
-    if (buf == 0)
-        return 0;
-
-    RGNDATA *rd = reinterpret_cast<RGNDATA*>(buf);
-    if (GetRegionData(d->rgn, numBytes, rd) == 0) {
-        delete[] buf;
-        return 0;
-    }
-
-    const int n = rd->rdh.nCount;
-    delete[] buf;
 
-    return n;
+    return region;
 }
 
-bool QRegion::operator==(const QRegion &r) const
+void qt_win_dispose_rgn(HRGN r)
 {
-    if (d == r.d)
-        return true;
-    if ((d->rgn == 0) ^ (r.d->rgn == 0)) // one is empty, not both
-        return false;
-    return d->rgn == 0 ? true // both empty
-                       : EqualRgn(d->rgn, r.d->rgn); // both non-empty
+    if (r)
+        DeleteObject(r);
 }
 
-QRegion& QRegion::operator+=(const QRegion &r)
+static void qt_add_rect(HRGN &winRegion, QRect r)
 {
-    if (!r.d->rgn)
-        return *this;
-
-    if (!d->rgn) {
-        *this = r;
-        return *this;
+    HRGN rgn = CreateRectRgn(r.left(), r.top(), r.x() + r.width(), r.y() + r.height());
+    if (rgn) {
+        HRGN dest = CreateRectRgn(0,0,0,0);
+        int result = CombineRgn(dest, winRegion, rgn, RGN_OR);
+        if (result) {
+            DeleteObject(winRegion);
+            winRegion = dest;
+        }
+        DeleteObject(rgn);
     }
-
-    detach();
-
-    int result;
-    result = CombineRgn(d->rgn, d->rgn, r.d->rgn, RGN_OR);
-    if (result == NULLREGION || result == ERROR)
-        *this = QRegion();
-
-    return *this;
-}
-
-QRegion& QRegion::operator-=(const QRegion &r)
-{
-    if (!r.d->rgn || !d->rgn)
-        return *this;
-
-    detach();
-
-    int result;
-    result = CombineRgn(d->rgn, d->rgn, r.d->rgn, RGN_DIFF);
-    if (result == NULLREGION || result == ERROR)
-        *this = QRegion();
-
-    return *this;
 }
 
-QRegion& QRegion::operator&=(const QRegion &r)
+void QRegion::ensureHandle() const
 {
-    if (!d->rgn)
-        return *this;
-
-    if (!r.d->rgn) {
-        *this = QRegion();
-        return *this;
+    if (d->rgn)
+        DeleteObject(d->rgn);
+    d->rgn = CreateRectRgn(0,0,0,0);
+    if (d->qt_rgn) {
+        if (d->qt_rgn->numRects == 1) {
+            QRect r = d->qt_rgn->extents;
+            qt_add_rect(d->rgn, r);
+            return;
+        }
+        for (int i = 0;i < d->qt_rgn->numRects;i++) {
+            QRect r = d->qt_rgn->rects.at(i);
+            qt_add_rect(d->rgn, r);
+        }
     }
-
-    detach();
-
-    int result;
-    result = CombineRgn(d->rgn, d->rgn, r.d->rgn, RGN_AND);
-    if (result == NULLREGION || result == ERROR)
-        *this = QRegion();
-
-    return *this;
-}
-
-bool qt_region_strictContains(const QRegion &region, const QRect &rect)
-{
-    Q_UNUSED(region);
-    Q_UNUSED(rect);
-    return false;
 }
 
-void QRegion::ensureHandle() const
-{
-}
 
 QT_END_NAMESPACE
diff --git a/src/gui/painting/qregion_wince.cpp b/src/gui/painting/qregion_wince.cpp
deleted file mode 100644
index 9c33123..0000000
--- a/src/gui/painting/qregion_wince.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the either Technology Preview License Agreement or the
-** Beta Release License Agreement.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at http://www.qtsoftware.com/contact.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qatomic.h"
-#include "qbitmap.h"
-#include "qbuffer.h"
-#include "qimage.h"
-#include "qpolygon.h"
-#include "qregion.h"
-#include "qt_windows.h"
-#include "qpainterpath.h"
-#include "qguifunctions_wince.h"
-
-QT_BEGIN_NAMESPACE
-
-QRegion::QRegionData QRegion::shared_empty = { Q_BASIC_ATOMIC_INITIALIZER(1), 0, 0 };
-
-HRGN qt_tryCreateRegion(QRegion::RegionType type, int left, int top, int right, int bottom)
-{
-    const int tries = 10;
-    for (int i = 0; i < tries; ++i) {
-        HRGN region;
-        switch (type) {
-        case QRegion::Rectangle:
-            region = CreateRectRgn(left, top, right, bottom);
-            break;
-        case QRegion::Ellipse:
-#ifndef Q_OS_WINCE
-            region = CreateEllipticRgn(left, top, right, bottom);
-#endif
-            break;
-        }
-        if (region) {
-            if (GetRegionData(region, 0, 0))
-                return region;
-            else
-                DeleteObject(region);
-        }
-    }
-    return 0;
-}
-
-void qt_win_dispose_rgn(HRGN r)
-{
-    if (r)
-        DeleteObject(r);
-}
-
-static void qt_add_rect(HRGN &winRegion, QRect r)
-{
-    HRGN rgn = CreateRectRgn(r.left(), r.top(), r.x() + r.width(), r.y() + r.height());
-    if (rgn) {
-        HRGN dest = CreateRectRgn(0,0,0,0);
-        int result = CombineRgn(dest, winRegion, rgn, RGN_OR);
-        if (result) {
-            DeleteObject(winRegion);
-            winRegion = dest;
-        }
-    }
-}
-
-void QRegion::ensureHandle() const
-{
-    if (d->rgn)
-        DeleteObject(d->rgn);
-    d->rgn = CreateRectRgn(0,0,0,0);
-    if (d->qt_rgn) {
-        if (d->qt_rgn->numRects == 1) {
-            QRect r = d->qt_rgn->extents;
-            qt_add_rect(d->rgn, r);
-            return;
-        }
-        for (int i = 0;i < d->qt_rgn->numRects;i++) {
-            QRect r = d->qt_rgn->rects.at(i);
-            qt_add_rect(d->rgn, r);
-        }
-    }
-}
-
-
-QT_END_NAMESPACE
diff --git a/src/gui/painting/qtextureglyphcache_p.h b/src/gui/painting/qtextureglyphcache_p.h
index 6968f4e..a34c354 100644
--- a/src/gui/painting/qtextureglyphcache_p.h
+++ b/src/gui/painting/qtextureglyphcache_p.h
@@ -60,6 +60,10 @@
 
 #include <private/qfontengineglyphcache_p.h>
 
+#if defined(Q_OS_VXWORKS) && defined(m_type)
+#  undef m_type
+#endif
+
 struct glyph_metrics_t;
 typedef unsigned int glyph_t;
 
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index a322fe4..0a64e4e 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -48,6 +48,8 @@
 #include "qvariant.h"
 #include <qmath.h>
 
+#include <private/qbezier_p.h>
+
 QT_BEGIN_NAMESPACE
 
 #define Q_NEAR_CLIP 0.000001
@@ -1492,27 +1494,12 @@ static inline bool lineTo_clipped(QPainterPath &path, const QTransform &transfor
 
 static inline bool cubicTo_clipped(QPainterPath &path, const QTransform &transform, const QPointF &a, const QPointF &b, const QPointF &c, const QPointF &d, bool needsMoveTo)
 {
-    const QHomogeneousCoordinate ha = mapHomogeneous(transform, a);
-    const QHomogeneousCoordinate hb = mapHomogeneous(transform, b);
-    const QHomogeneousCoordinate hc = mapHomogeneous(transform, c);
-    const QHomogeneousCoordinate hd = mapHomogeneous(transform, d);
-
-    if (ha.w < Q_NEAR_CLIP && hb.w < Q_NEAR_CLIP && hc.w < Q_NEAR_CLIP && hd.w < Q_NEAR_CLIP)
-        return false;
+    // Convert projective xformed curves to line
+    // segments so they can be transformed more accurately
+    QPolygonF segment = QBezier::fromPoints(a, b, c, d).toPolygon();
 
-    if (ha.w >= Q_NEAR_CLIP && hb.w >= Q_NEAR_CLIP && hc.w >= Q_NEAR_CLIP && hd.w >= Q_NEAR_CLIP) {
-        if (needsMoveTo)
-            path.moveTo(ha.toPoint());
-
-        path.cubicTo(hb.toPoint(), hc.toPoint(), hd.toPoint());
-        return true;
-    }
-
-    if (lineTo_clipped(path, transform, a, b, needsMoveTo))
-            needsMoveTo = false;
-    if (lineTo_clipped(path, transform, b, c, needsMoveTo))
-            needsMoveTo = false;
-    if (lineTo_clipped(path, transform, c, d, needsMoveTo))
+    for (int i = 0; i < segment.size() - 1; ++i)
+        if (lineTo_clipped(path, transform, segment.at(i), segment.at(i+1), needsMoveTo))
             needsMoveTo = false;
 
     return !needsMoveTo;
@@ -1793,6 +1780,14 @@ void QTransform::setMatrix(qreal m11, qreal m12, qreal m13,
     m_dirty = TxProject;
 }
 
+static inline bool needsPerspectiveClipping(const QRectF &rect, const QTransform &transform)
+{
+    const qreal wx = qMin(transform.m13() * rect.left(), transform.m13() * rect.right());
+    const qreal wy = qMin(transform.m23() * rect.top(), transform.m23() * rect.bottom());
+
+    return wx + wy + transform.m33() < Q_NEAR_CLIP;
+}
+
 QRect QTransform::mapRect(const QRect &rect) const
 {
     TransformationType t = inline_type();
@@ -1813,7 +1808,7 @@ QRect QTransform::mapRect(const QRect &rect) const
             y -= h;
         }
         return QRect(x, y, w, h);
-    } else {
+    } else if (t < TxProject || !needsPerspectiveClipping(rect, *this)) {
         // see mapToPolygon for explanations of the algorithm.
         qreal x = 0, y = 0;
         MAP(rect.left(), rect.top(), x, y);
@@ -1837,6 +1832,10 @@ QRect QTransform::mapRect(const QRect &rect) const
         xmax = qMax(xmax, x);
         ymax = qMax(ymax, y);
         return QRect(qRound(xmin), qRound(ymin), qRound(xmax)-qRound(xmin), qRound(ymax)-qRound(ymin));
+    } else {
+        QPainterPath path;
+        path.addRect(rect);
+        return map(path).boundingRect().toRect();
     }
 }
 
@@ -1879,7 +1878,7 @@ QRectF QTransform::mapRect(const QRectF &rect) const
             y -= h;
         }
         return QRectF(x, y, w, h);
-    } else {
+    } else if (t < TxProject || !needsPerspectiveClipping(rect, *this)) {
         qreal x = 0, y = 0;
         MAP(rect.x(), rect.y(), x, y);
         qreal xmin = x;
@@ -1902,6 +1901,10 @@ QRectF QTransform::mapRect(const QRectF &rect) const
         xmax = qMax(xmax, x);
         ymax = qMax(ymax, y);
         return QRectF(xmin, ymin, xmax-xmin, ymax - ymin);
+    } else {
+        QPainterPath path;
+        path.addRect(rect);
+        return map(path).boundingRect();
     }
 }
 
diff --git a/src/gui/painting/qtransform.h b/src/gui/painting/qtransform.h
index 291d35c..69d4de2 100644
--- a/src/gui/painting/qtransform.h
+++ b/src/gui/painting/qtransform.h
@@ -50,6 +50,10 @@
 #include <QtCore/qpoint.h>
 #include <QtCore/qrect.h>
 
+#if defined(Q_OS_VXWORKS) && defined(m_type)
+#  undef m_type
+#endif
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
diff --git a/src/gui/painting/qvectorpath_p.h b/src/gui/painting/qvectorpath_p.h
index e3cb333..df49500 100644
--- a/src/gui/painting/qvectorpath_p.h
+++ b/src/gui/painting/qvectorpath_p.h
@@ -130,6 +130,8 @@ public:
 
     static inline uint polygonFlags(QPaintEngine::PolygonDrawMode mode);
 
+    QPainterPath convertToPainterPath() const;
+
 private:
     Q_DISABLE_COPY(QVectorPath)
 
diff --git a/src/gui/painting/qwindowsurface_raster.cpp b/src/gui/painting/qwindowsurface_raster.cpp
index 63b39b2..863237b 100644
--- a/src/gui/painting/qwindowsurface_raster.cpp
+++ b/src/gui/painting/qwindowsurface_raster.cpp
@@ -116,7 +116,7 @@ QPaintDevice *QRasterWindowSurface::paintDevice()
 void QRasterWindowSurface::beginPaint(const QRegion &rgn)
 {
 #if (defined(Q_WS_X11) && !defined(QT_NO_XRENDER)) || (defined(Q_WS_WIN) && !defined(Q_WS_WINCE))
-    if (!qt_widget_private(window())->isOpaque) {
+    if (!qt_widget_private(window())->isOpaque && window()->testAttribute(Qt::WA_TranslucentBackground)) {
 #if defined(Q_WS_WIN) && !defined(Q_WS_WINCE)
         if (d_ptr->image->image.format() != QImage::Format_ARGB32_Premultiplied)
             prepareBuffer(QImage::Format_ARGB32_Premultiplied, window());
@@ -147,7 +147,7 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi
     QRect br = rgn.boundingRect();
 
 #ifndef Q_WS_WINCE
-    if (!qt_widget_private(window())->isOpaque) {
+    if (!qt_widget_private(window())->isOpaque && window()->testAttribute(Qt::WA_TranslucentBackground)) {
         QRect r = window()->frameGeometry();
         QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
         QRect dirtyRect = br.translated(offset + frameOffset);
diff --git a/src/gui/painting/qwindowsurface_x11.cpp b/src/gui/painting/qwindowsurface_x11.cpp
index d8b0d9e..95f6ce3 100644
--- a/src/gui/painting/qwindowsurface_x11.cpp
+++ b/src/gui/painting/qwindowsurface_x11.cpp
@@ -154,7 +154,7 @@ void QX11WindowSurface::setGeometry(const QRect &rect)
 
         QX11PixmapData *oldData = static_cast<QX11PixmapData *>(d_ptr->device.pixmapData());
         Q_ASSERT(oldData);
-        if (!oldData->uninit && hasStaticContents()) {
+        if (!(oldData->flags & QX11PixmapData::Uninitialized) && hasStaticContents()) {
             // Copy the content of the old pixmap into the new one.
             QX11PixmapData *newData = new QX11PixmapData(QPixmapData::PixmapType);
             newData->resize(size.width(), size.height());
@@ -175,7 +175,7 @@ void QX11WindowSurface::setGeometry(const QRect &rect)
                       dx, dy, qMin(boundingRect.width(), size.width()),
                       qMin(boundingRect.height(), size.height()), dx, dy);
             XFreeGC(X11->display, tmpGc);
-            newData->uninit = false;
+            newData->flags &= ~QX11PixmapData::Uninitialized;
 
             d_ptr->device = QPixmap(newData);
         } else {