Merge commit 'qt/master' into kinetic-graphicseffect

Conflicts:
	src/gui/graphicsview/graphicsview.pri
	src/gui/graphicsview/qgraphicsitem.cpp
	src/gui/graphicsview/qgraphicsitem.h
	src/gui/graphicsview/qgraphicsitem_p.h
	src/gui/graphicsview/qgraphicsscene.cpp
	tests/auto/auto.pro

28 files changed, 435 insertions, 1011 deletions

diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index 34d1779..d226be2 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -100,8 +100,8 @@ 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
 }
 
@@ -126,10 +126,6 @@ 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 34bc578..01c6159 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 6dbb94b..13b5eba 100644
--- a/src/gui/painting/qbrush.h
+++ b/src/gui/painting/qbrush.h
@@ -51,6 +51,15 @@
 #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 979390a..b6603e4 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -4794,30 +4794,60 @@ 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 7a9eda3..c41b040 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/qmatrix.cpp b/src/gui/painting/qmatrix.cpp
index 221267f..39f4d95 100644
--- a/src/gui/painting/qmatrix.cpp
+++ b/src/gui/painting/qmatrix.cpp
@@ -55,11 +55,15 @@ QT_BEGIN_NAMESPACE
     \class QMatrix
     \brief The QMatrix class specifies 2D transformations of a
     coordinate system.
+    \obsolete
 
     \ingroup multimedia
 
     A matrix specifies how to translate, scale, shear or rotate the
     coordinate system, and is typically used when rendering graphics.
+    QMatrix, in contrast to QTransform, does not allow perspective
+    transformations. QTransform is the recommended transformation
+    class in Qt.
 
     A QMatrix object can be built using the setMatrix(), scale(),
     rotate(), translate() and shear() functions.  Alternatively, it
@@ -172,8 +176,8 @@ QT_BEGIN_NAMESPACE
     \snippet doc/src/snippets/matrix/matrix.cpp 2
     \endtable
 
-    \sa QPainter, {The Coordinate System}, {demos/affine}{Affine
-    Transformations Demo}, {Transformations Example}
+    \sa QPainter, QTransform, {The Coordinate System}, 
+    {demos/affine}{Affine Transformations Demo}, {Transformations Example}
 */
 
 
diff --git a/src/gui/painting/qoutlinemapper.cpp b/src/gui/painting/qoutlinemapper.cpp
index 401fad9..1287672 100644
--- a/src/gui/painting/qoutlinemapper.cpp
+++ b/src/gui/painting/qoutlinemapper.cpp
@@ -198,33 +198,11 @@ 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);
+            if (!(m_outline.flags & QT_FT_OUTLINE_EVEN_ODD_FILL))
+                path.setFillRule(Qt::WindingFill);
             uint old_txop = m_txop;
             m_txop = QTransform::TxNone;
             if (path.isEmpty())
diff --git a/src/gui/painting/qpaintengine_mac_p.h b/src/gui/painting/qpaintengine_mac_p.h
index 755b7b1..20a4a08 100644
--- a/src/gui/painting/qpaintengine_mac_p.h
+++ b/src/gui/painting/qpaintengine_mac_p.h
@@ -58,9 +58,6 @@
 #include "private/qpaintengine_p.h"
 #include "private/qpolygonclipper_p.h"
 #include "QtCore/qhash.h"
-#ifndef QT_MAC_NO_QUICKDRAW
-#include <private/qwidget_p.h>
-#endif
 
 typedef struct CGColorSpace *CGColorSpaceRef;
 QT_BEGIN_NAMESPACE
@@ -69,108 +66,6 @@ extern int qt_defaultDpi();
 extern int qt_defaultDpiX();
 extern int qt_defaultDpiY();
 
-#ifndef QT_MAC_NO_QUICKDRAW
-class QMacSavedPortInfo
-{
-    RgnHandle clip;
-    GWorldPtr world;
-    GDHandle handle;
-    PenState pen; //go pennstate
-    RGBColor back, fore;
-    bool valid_gworld;
-    void init();
-
-public:
-    inline QMacSavedPortInfo() { init(); }
-    inline QMacSavedPortInfo(QPaintDevice *pd) { init(); setPaintDevice(pd); }
-    inline QMacSavedPortInfo(QPaintDevice *pd, const QRect &r)
-        { init(); setPaintDevice(pd); setClipRegion(r); }
-    inline QMacSavedPortInfo(QPaintDevice *pd, const QRegion &r)
-        { init(); setPaintDevice(pd); setClipRegion(r); }
-    ~QMacSavedPortInfo();
-    static inline bool setClipRegion(const QRect &r);
-    static inline bool setClipRegion(const QRegion &r);
-    static inline bool setPaintDevice(QPaintDevice *);
-};
-
-inline bool
-QMacSavedPortInfo::setClipRegion(const QRect &rect)
-{
-    Rect r;
-    SetRect(&r, rect.x(), rect.y(), rect.right()+1, rect.bottom()+1);
-    ClipRect(&r);
-    return true;
-}
-
-inline bool
-QMacSavedPortInfo::setClipRegion(const QRegion &r)
-{
-    if(r.isEmpty())
-        return setClipRegion(QRect());
-    QMacSmartQuickDrawRegion rgn(r.toQDRgn());
-    SetClip(rgn);
-    return true;
-}
-
-inline bool
-QMacSavedPortInfo::setPaintDevice(QPaintDevice *pd)
-{
-    if(!pd)
-        return false;
-    bool ret = true;
-    extern GrafPtr qt_mac_qd_context(const QPaintDevice *); // qpaintdevice_mac.cpp
-    if(pd->devType() == QInternal::Widget)
-        SetPortWindowPort(qt_mac_window_for(static_cast<QWidget*>(pd)));
-    else if(pd->devType() == QInternal::Pixmap || pd->devType() == QInternal::Printer)
-        SetGWorld((GrafPtr)qt_mac_qd_context(pd), 0); //set the gworld
-    return ret;
-}
-
-inline void
-QMacSavedPortInfo::init()
-{
-    GetBackColor(&back);
-    GetForeColor(&fore);
-    GetGWorld(&world, &handle);
-    valid_gworld = true;
-    clip = NewRgn();
-    GetClip(clip);
-    GetPenState(&pen);
-}
-
-inline QMacSavedPortInfo::~QMacSavedPortInfo()
-{
-    bool set_state = false;
-    if(valid_gworld) {
-        set_state = IsValidPort(world);
-        if(set_state)
-            SetGWorld(world,handle); //always do this one first
-    } else {
-        setPaintDevice(qt_mac_safe_pdev);
-    }
-    if(set_state) {
-        SetClip(clip);
-        SetPenState(&pen);
-        RGBForeColor(&fore);
-        RGBBackColor(&back);
-    }
-    DisposeRgn(clip);
-}
-#else
-class QMacSavedPortInfo
-{
-public:
-    inline QMacSavedPortInfo() { }
-    inline QMacSavedPortInfo(QPaintDevice *) { }
-    inline QMacSavedPortInfo(QPaintDevice *, const QRect &) { }
-    inline QMacSavedPortInfo(QPaintDevice *, const QRegion &) { }
-    ~QMacSavedPortInfo() { }
-    static inline bool setClipRegion(const QRect &) { return false; }
-    static inline bool setClipRegion(const QRegion &) { return false; }
-    static inline bool setPaintDevice(QPaintDevice *) { return false; }
-};
-#endif
-
 class QCoreGraphicsPaintEnginePrivate;
 class QCoreGraphicsPaintEngine : public QPaintEngine
 {
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index e9ff752..74456dd 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;
@@ -1669,34 +1672,6 @@ 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
@@ -1708,11 +1683,30 @@ 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()
@@ -1742,6 +1736,8 @@ 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();
@@ -1947,67 +1943,6 @@ 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();
@@ -3521,8 +3456,8 @@ 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;
@@ -3621,8 +3556,8 @@ 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 a4db284..ed9b858 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());
@@ -364,12 +399,12 @@ 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;
@@ -386,7 +421,6 @@ 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();
 
@@ -395,13 +429,13 @@ 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) {
@@ -450,69 +484,75 @@ 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/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/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 34305c2..8192fb7 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -184,7 +184,7 @@ void QPainterPrivate::checkEmulation()
             extended = emulationEngine;
             extended->setState(state);
         }
-    } else if (emulationEngine && emulationEngine != extended) {
+    } else if (emulationEngine == extended) {
         extended = emulationEngine->real_engine;
     }
 }
@@ -1005,7 +1005,7 @@ void QPainterPrivate::updateState(QPainterState *newState)
     \o brushOrigin() defines the origin of the tiled brushes, normally
        the origin of widget's background.
 
-    \o viewport(), window(), worldMatrix() make up the painter's coordinate
+    \o viewport(), window(), worldTransform() make up the painter's coordinate
         transformation system. For more information, see the \l
         {Coordinate Transformations} section and the \l {The Coordinate
         System} documentation.
@@ -1016,7 +1016,7 @@ void QPainterPrivate::updateState(QPainterState *newState)
     \o layoutDirection() defines the layout direction used by the
        painter when drawing text.
 
-    \o matrixEnabled() tells whether world transformation is enabled.
+    \o worldMatrixEnabled() tells whether world transformation is enabled.
 
     \o viewTransformEnabled() tells whether view transformation is
         enabled.
@@ -1212,15 +1212,15 @@ void QPainterPrivate::updateState(QPainterState *newState)
     \endtable
 
     All the tranformation operations operate on the transformation
-    worldMatrix(). A matrix transforms a point in the plane to another
+    worldTransform(). A matrix transforms a point in the plane to another
     point. For more information about the transformation matrix, see
-    the \l {The Coordinate System} and QMatrix documentation.
+    the \l {The Coordinate System} and QTransform documentation.
 
-    The setWorldMatrix() function can replace or add to the currently
-    set worldMatrix(). The resetMatrix() function resets any
+    The setWorldTransform() function can replace or add to the currently
+    set worldTransform(). The resetTransform() function resets any
     transformations that were made using translate(), scale(),
-    shear(), rotate(), setWorldMatrix(), setViewport() and setWindow()
-    functions. The deviceMatrix() returns the matrix that transforms
+    shear(), rotate(), setWorldTransform(), setViewport() and setWindow()
+    functions. The deviceTransform() returns the matrix that transforms
     from logical coordinates to device coordinates of the platform
     dependent paint device. The latter function is only needed when
     using platform painting commands on the platform dependent handle,
@@ -1229,11 +1229,11 @@ void QPainterPrivate::updateState(QPainterState *newState)
     When drawing with QPainter, we specify points using logical
     coordinates which then are converted into the physical coordinates
     of the paint device. The mapping of the logical coordinates to the
-    physical coordinates are handled by QPainter's combinedMatrix(), a
-    combination of viewport() and window() and worldMatrix().  The
+    physical coordinates are handled by QPainter's combinedTransform(), a
+    combination of viewport() and window() and worldTransform(). The
     viewport() represents the physical coordinates specifying an
     arbitrary rectangle, the window() describes the same rectangle in
-    logical coordinates, and the worldMatrix() is identical with the
+    logical coordinates, and the worldTransform() is identical with the
     transformation matrix.
 
     See also \l {The Coordinate System} documentation.
@@ -1672,7 +1672,7 @@ bool QPainter::begin(QPaintDevice *pd)
 
     if (!d->engine) {
         qWarning("QPainter::begin: Paint device returned engine == 0, type: %d", pd->devType());
-        return true;
+        return false;
     }
 
     // Slip a painter state into the engine before we do any other operations
@@ -2677,6 +2677,7 @@ void QPainter::setClipRegion(const QRegion &r, Qt::ClipOperation op)
 
 /*!
     \since 4.2
+    \obsolete
 
     Sets the transformation matrix to \a matrix and enables transformations.
 
@@ -2715,7 +2716,7 @@ void QPainter::setClipRegion(const QRegion &r, Qt::ClipOperation op)
     and window-viewport conversion, see \l {The Coordinate System}
     documentation.
 
-    \sa worldMatrixEnabled(), QMatrix
+    \sa setWorldTransform(), QTransform
 */
 
 void QPainter::setWorldMatrix(const QMatrix &matrix, bool combine)
@@ -2725,6 +2726,7 @@ void QPainter::setWorldMatrix(const QMatrix &matrix, bool combine)
 
 /*!
     \since 4.2
+    \obsolete
 
     Returns the world transformation matrix.
 
@@ -2774,6 +2776,7 @@ const QMatrix &QPainter::matrix() const
 
 /*!
     \since 4.2
+    \obsolete
 
     Returns the transformation matrix combining the current
     window/viewport and world transformation.
@@ -2781,7 +2784,7 @@ const QMatrix &QPainter::matrix() const
     It is advisable to use combinedTransform() instead of this
     function to preserve the properties of perspective transformations.
 
-    \sa setWorldMatrix(), setWindow(), setViewport()
+    \sa setWorldTransform(), setWindow(), setViewport()
 */
 QMatrix QPainter::combinedMatrix() const
 {
@@ -2790,6 +2793,8 @@ QMatrix QPainter::combinedMatrix() const
 
 
 /*!
+    \obsolete
+
     Returns the matrix that transforms from logical coordinates to
     device coordinates of the platform dependent paint device.
 
@@ -2817,6 +2822,8 @@ const QMatrix &QPainter::deviceMatrix() const
 }
 
 /*!
+    \obsolete
+
     Resets any transformations that were made using translate(), scale(),
     shear(), rotate(), setWorldMatrix(), setViewport() and
     setWindow().
@@ -2841,7 +2848,7 @@ void QPainter::resetMatrix()
     transformations if \a enable is false. The world transformation
     matrix is not changed.
 
-    \sa worldMatrixEnabled(), worldMatrix(), {QPainter#Coordinate
+    \sa worldMatrixEnabled(), worldTransform(), {QPainter#Coordinate
     Transformations}{Coordinate Transformations}
 */
 
@@ -2870,7 +2877,7 @@ void QPainter::setWorldMatrixEnabled(bool enable)
     Returns true if world transformation is enabled; otherwise returns
     false.
 
-    \sa setWorldMatrixEnabled(), worldMatrix(), {The Coordinate System}
+    \sa setWorldMatrixEnabled(), worldTransform(), {The Coordinate System}
 */
 
 bool QPainter::worldMatrixEnabled() const
@@ -2912,7 +2919,7 @@ bool QPainter::matrixEnabled() const
 /*!
     Scales the coordinate system by (\a{sx}, \a{sy}).
 
-    \sa setWorldMatrix() {QPainter#Coordinate Transformations}{Coordinate
+    \sa setWorldTransform() {QPainter#Coordinate Transformations}{Coordinate
     Transformations}
 */
 
@@ -2936,7 +2943,7 @@ void QPainter::scale(qreal sx, qreal sy)
 /*!
     Shears the coordinate system by (\a{sh}, \a{sv}).
 
-    \sa setWorldMatrix(), {QPainter#Coordinate Transformations}{Coordinate
+    \sa setWorldTransform(), {QPainter#Coordinate Transformations}{Coordinate
     Transformations}
 */
 
@@ -2962,7 +2969,7 @@ void QPainter::shear(qreal sh, qreal sv)
 
     Rotates the coordinate system the given \a angle clockwise.
 
-    \sa setWorldMatrix(), {QPainter#Coordinate Transformations}{Coordinate
+    \sa setWorldTransform(), {QPainter#Coordinate Transformations}{Coordinate
     Transformations}
 */
 
@@ -2987,7 +2994,7 @@ void QPainter::rotate(qreal a)
     Translates the coordinate system by the given \a offset; i.e. the
     given \a offset is added to points.
 
-    \sa setWorldMatrix(), {QPainter#Coordinate Transformations}{Coordinate
+    \sa setWorldTransform(), {QPainter#Coordinate Transformations}{Coordinate
     Transformations}
 */
 void QPainter::translate(const QPointF &offset)
@@ -6769,7 +6776,7 @@ QPainter::RenderHints QPainter::renderHints() const
     Returns true if view transformation is enabled; otherwise returns
     false.
 
-    \sa setViewTransformEnabled(), worldMatrix()
+    \sa setViewTransformEnabled(), worldTransform()
 */
 
 bool QPainter::viewTransformEnabled() const
@@ -6925,7 +6932,7 @@ QRect QPainter::viewport() const
 /*! \fn void QPainter::resetXForm()
     \compat
 
-    Use resetMatrix() instead.
+    Use resetTransform() instead.
 */
 
 /*! \fn void QPainter::setViewXForm(bool enabled)
@@ -6971,14 +6978,16 @@ void QPainter::setViewTransformEnabled(bool enable)
 #ifdef QT3_SUPPORT
 
 /*!
-    Use the worldMatrix() combined with QMatrix::dx() instead.
+    \obsolete
+
+    Use the worldTransform() combined with QTransform::dx() instead.
 
     \oldcode
         QPainter painter(this);
         qreal x = painter.translationX();
     \newcode
         QPainter painter(this);
-        qreal x = painter.worldMatrix().dx();
+        qreal x = painter.worldTransform().dx();
     \endcode
 */
 qreal QPainter::translationX() const
@@ -6992,14 +7001,16 @@ qreal QPainter::translationX() const
 }
 
 /*!
-    Use the worldMatrix() combined with QMatrix::dy() instead.
+    \obsolete
+
+    Use the worldTransform() combined with QTransform::dy() instead.
 
     \oldcode
         QPainter painter(this);
         qreal y = painter.translationY();
     \newcode
         QPainter painter(this);
-        qreal y = painter.worldMatrix().dy();
+        qreal y = painter.worldTransform().dy();
     \endcode
 */
 qreal QPainter::translationY() const
@@ -7097,7 +7108,7 @@ QPolygon QPainter::xForm(const QPolygon &a) const
         QPolygon transformed = painter.xForm(polygon, index, count)
     \newcode
         QPainter painter(this);
-        QPolygon transformed = polygon.mid(index, count) * painter.combinedMatrix();
+        QPolygon transformed = polygon.mid(index, count) * painter.combinedTransform();
     \endcode
 */
 
@@ -7112,15 +7123,16 @@ QPolygon QPainter::xForm(const QPolygon &av, int index, int npoints) const
 /*!
     \fn QPoint QPainter::xFormDev(const QPoint &point) const
     \overload
+    \obsolete
 
-    Use combinedTransform() combined with QMatrix::inverted() instead.
+    Use combinedTransform() combined with QTransform::inverted() instead.
 
     \oldcode
         QPainter painter(this);
         QPoint transformed = painter.xFormDev(point);
     \newcode
         QPainter painter(this);
-        QPoint transformed = point * painter.combinedMatrix().inverted();
+        QPoint transformed = point * painter.combinedTransform().inverted();
     \endcode
 */
 
@@ -7139,15 +7151,16 @@ QPoint QPainter::xFormDev(const QPoint &p) const
 /*!
     \fn QRect QPainter::xFormDev(const QRect &rectangle) const
     \overload
+    \obsolete
 
-    Use mapRect() combined with QMatrix::inverted() instead.
+    Use combinedTransform() combined with QTransform::inverted() instead.
 
     \oldcode
         QPainter painter(this);
         QRect transformed = painter.xFormDev(rectangle);
     \newcode
         QPainter painter(this);
-        QRect transformed = painter.combinedMatrix().inverted(rectangle);
+        QRect transformed = painter.combinedTransform().inverted(rectangle);
     \endcode
 */
 
@@ -7167,16 +7180,16 @@ QRect QPainter::xFormDev(const QRect &r)  const
     \overload
 
     \fn QPoint QPainter::xFormDev(const QPolygon &polygon) const
-    \overload
+    \obsolete
 
-    Use  combinedMatrix() combined with QMatrix::inverted() instead.
+    Use  combinedTransform() combined with QTransform::inverted() instead.
 
     \oldcode
         QPainter painter(this);
         QPolygon transformed = painter.xFormDev(rectangle);
     \newcode
         QPainter painter(this);
-        QPolygon transformed = polygon * painter.combinedMatrix().inverted();
+        QPolygon transformed = polygon * painter.combinedTransform().inverted();
     \endcode
 */
 
@@ -7195,15 +7208,16 @@ QPolygon QPainter::xFormDev(const QPolygon &a) const
 /*!
     \fn QPolygon QPainter::xFormDev(const QPolygon &polygon, int index, int count) const
     \overload
+    \obsolete
 
-    Use combinedMatrix() combined with QPolygon::mid() and QMatrix::inverted() instead.
+    Use combinedTransform() combined with QPolygon::mid() and QTransform::inverted() instead.
 
     \oldcode
         QPainter painter(this);
         QPolygon transformed = painter.xFormDev(polygon, index, count);
     \newcode
         QPainter painter(this);
-        QPolygon transformed = polygon.mid(index, count) * painter.combinedMatrix().inverted();
+        QPolygon transformed = polygon.mid(index, count) * painter.combinedTransform().inverted();
     \endcode
 */
 
@@ -8107,7 +8121,7 @@ void bitBlt(QPaintDevice *dst, int dx, int dy,
     \row \o QPaintEngine::DirtyClipRegion \o clipRegion()
     \row \o QPaintEngine::DirtyCompositionMode \o compositionMode()
     \row \o QPaintEngine::DirtyFont \o font()
-    \row \o QPaintEngine::DirtyTransform \o matrix()
+    \row \o QPaintEngine::DirtyTransform \o transform()
     \row \o QPaintEngine::DirtyClipEnabled \o isClipEnabled()
     \row \o QPaintEngine::DirtyPen \o pen()
     \row \o QPaintEngine::DirtyHints \o renderHints()
@@ -8226,10 +8240,14 @@ QFont QPaintEngineState::font() const
 
 /*!
     \since 4.2
+    \obsolete
 
     Returns the matrix in the current paint engine
     state.
 
+    \note It is advisable to use transform() instead of this function to
+    preserve the properties of perspective transformations.
+
     This variable should only be used when the state() returns a
     combination which includes the QPaintEngine::DirtyTransform flag.
 
@@ -8410,11 +8428,7 @@ qreal QPaintEngineState::opacity() const
     If \a combine is true, the specified \a transform is combined with
     the current matrix; otherwise it replaces the current matrix.
 
-    This function has been added for compatibility with setMatrix(),
-    but as with setMatrix() the preferred method of setting a
-    transformation on the painter is through setWorldTransform().
-
-    \sa transform()
+    \sa transform() setWorldTransform()
 */
 
 void QPainter::setTransform(const QTransform &transform, bool combine )
@@ -8424,6 +8438,8 @@ void QPainter::setTransform(const QTransform &transform, bool combine )
 
 /*!
     Returns the world transformation matrix.
+
+    \sa worldTransform()
 */
 
 const QTransform & QPainter::transform() const
@@ -8534,7 +8550,7 @@ const QTransform & QPainter::worldTransform() const
     Returns the transformation matrix combining the current
     window/viewport and world transformation.
 
-    \sa setWorldMatrix(), setWindow(), setViewport()
+    \sa setWorldTransform(), setWindow(), setViewport()
 */
 
 QTransform QPainter::combinedTransform() const
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index 027d5c8..09972b0 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -3156,7 +3156,7 @@ void QPainterPath::addRoundRect(const QRectF &r, int xRnd, int yRnd)
     Set operations on paths will treat the paths as areas. Non-closed
     paths will be treated as implicitly closed.
 
-    \sa intersected(), subtracted(), subtractedInverted()
+    \sa intersected(), subtracted()
 */
 QPainterPath QPainterPath::united(const QPainterPath &p) const
 {
@@ -3271,6 +3271,8 @@ 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/qprinter.cpp b/src/gui/painting/qprinter.cpp
index 411b74d..02a5a02 100644
--- a/src/gui/painting/qprinter.cpp
+++ b/src/gui/painting/qprinter.cpp
@@ -2162,8 +2162,8 @@ bool QPrinter::collateCopiesEnabled() const
 }
 
 /*!
-    Use QPrintDialog::addEnabledOption(QPrintDialog::PrintCollateCopies)
-    or QPrintDialog::setEnabledOptions(QPrintDialog::enabledOptions()
+    Use QPrintDialog::setOption(QPrintDialog::PrintCollateCopies)
+    or QPrintDialog::setOptions(QPrintDialog::options()
     & ~QPrintDialog::PrintCollateCopies) instead, depending on \a
     enable.
 */
diff --git a/src/gui/painting/qregion.cpp b/src/gui/painting/qregion.cpp
index 762e9e0..d59f3ff 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;
@@ -3829,7 +3825,7 @@ 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) {
@@ -3851,7 +3847,7 @@ 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(),
@@ -3881,7 +3877,7 @@ 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);
@@ -3896,7 +3892,7 @@ 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
@@ -3932,7 +3928,7 @@ 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 bfedcb1..84024ce 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)
+#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_WIN)
 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)
+#if defined(Q_WS_QWS) || defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_WIN)
         QRegionPrivate *qt_rgn;
 #endif
     };
diff --git a/src/gui/painting/qregion_mac.cpp b/src/gui/painting/qregion_mac.cpp
index b57f234..6fe7805 100644
--- a/src/gui/painting/qregion_mac.cpp
+++ b/src/gui/painting/qregion_mac.cpp
@@ -155,6 +155,43 @@ 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
+            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..8708461 100644
--- a/src/gui/painting/qregion_win.cpp
+++ b/src/gui/painting/qregion_win.cpp
@@ -39,22 +39,20 @@
 **
 ****************************************************************************/
 
+#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;
@@ -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 (uint 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/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 ,
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 f0b2351..a13b494 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -48,11 +48,15 @@
 #include "qvariant.h"
 #include <qmath.h>
 
+#include <private/qbezier_p.h>
+
 QT_BEGIN_NAMESPACE
 
 #define Q_NEAR_CLIP 0.000001
 
-
+#ifdef MAP
+#  undef MAP
+#endif
 #define MAP(x, y, nx, ny) \
     do { \
         qreal FX_ = x; \
@@ -99,7 +103,7 @@ QT_BEGIN_NAMESPACE
     allowing perspective transformations. QTransform's toAffine()
     method allows casting QTransform to QMatrix. If a perspective
     transformation has been specified on the matrix, then the
-    conversion to an affine QMatrix will cause loss of data.
+    conversion will cause loss of data.
 
     QTransform is the recommended transformation class in Qt.
 
@@ -123,11 +127,13 @@ QT_BEGIN_NAMESPACE
     which returns true if the matrix is non-singular (i.e. AB = BA =
     I). The inverted() function returns an inverted copy of \e this
     matrix if it is invertible (otherwise it returns the identity
-    matrix). In addition, QTransform provides the det() function
-    returning the matrix's determinant.
+    matrix), and adjoint() returns the matrix's classical adjoint.
+    In addition, QTransform provides the determinant() function which
+    returns the matrix's determinant.
 
-    Finally, the QTransform class supports matrix multiplication, and
-    objects of the class can be streamed as well as compared.
+    Finally, the QTransform class supports matrix multiplication, addition
+    and subtraction, and objects of the class can be streamed as well
+    as compared.
 
     \tableofcontents
 
@@ -189,7 +195,7 @@ QT_BEGIN_NAMESPACE
     The various matrix elements can be set when constructing the
     matrix, or by using the setMatrix() function later on. They can also
     be manipulated using the translate(), rotate(), scale() and
-    shear() convenience functions, The currently set values can be
+    shear() convenience functions. The currently set values can be
     retrieved using the m11(), m12(), m13(), m21(), m22(), m23(),
     m31(), m32(), m33(), dx() and dy() functions.
 
@@ -202,9 +208,9 @@ QT_BEGIN_NAMESPACE
     to 0) mapping a point to itself. Shearing is controlled by \c m12
     and \c m21. Setting these elements to values different from zero
     will twist the coordinate system. Rotation is achieved by
-    carefully setting both the shearing factors and the scaling
-    factors. Perspective transformation is achieved by carefully setting
-    both the projection factors and the scaling factors.
+    setting both the shearing factors and the scaling factors. Perspective
+    transformation is achieved by setting both the projection factors and
+    the scaling factors.
 
     Here's the combined transformations example using basic matrix
     operations:
@@ -956,8 +962,8 @@ QTransform & QTransform::operator=(const QTransform &matrix)
 
 /*!
     Resets the matrix to an identity matrix, i.e. all elements are set
-    to zero, except \c m11 and \c m22 (specifying the scale) which are
-    set to 1.
+    to zero, except \c m11 and \c m22 (specifying the scale) and \c m33
+    which are set to 1.
 
     \sa QTransform(), isIdentity(), {QTransform#Basic Matrix
     Operations}{Basic Matrix Operations}
@@ -1488,27 +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;
-
-    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());
+    // Convert projective xformed curves to line
+    // segments so they can be transformed more accurately
+    QPolygonF segment = QBezier::fromPoints(a, b, c, d).toPolygon();
 
-        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;
@@ -1550,6 +1541,7 @@ static QPainterPath mapProjective(const QTransform &transform, const QPainterPat
     if (path.elementCount() > 0 && lastMoveTo != last)
         lineTo_clipped(result, transform, last, lastMoveTo, needsMoveTo, false);
 
+    result.setFillRule(path.fillRule());
     return result;
 }
 
@@ -1771,7 +1763,7 @@ bool QTransform::quadToQuad(const QPolygonF &one,
     Sets the matrix elements to the specified values, \a m11,
     \a m12, \a m13 \a m21, \a m22, \a m23 \a m31, \a m32 and
     \a m33. Note that this function replaces the previous values.
-    QMatrix provides the translate(), rotate(), scale() and shear()
+    QTransform provides the translate(), rotate(), scale() and shear()
     convenience functions to manipulate the various matrix elements
     based on the currently defined coordinate system.
 
@@ -1789,6 +1781,14 @@ 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();
@@ -1809,7 +1809,7 @@ 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);
@@ -1833,6 +1833,10 @@ 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();
     }
 }
 
@@ -1875,7 +1879,7 @@ 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;
@@ -1898,6 +1902,10 @@ 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();
     }
 }
 
@@ -1949,8 +1957,11 @@ void QTransform::map(int x, int y, int *tx, int *ty) const
 }
 
 /*!
-  Returns the QTransform cast to a QMatrix.
- */
+  Returns the QTransform as an affine matrix.
+
+  \warning If a perspective transformation has been specified,
+  then the conversion will cause loss of data.
+*/
 const QMatrix &QTransform::toAffine() const
 {
     return affine;
@@ -2028,8 +2039,9 @@ QTransform::operator QVariant() const
 
 /*!
     \fn qreal QTransform::det() const
+    \obsolete
 
-    Returns the matrix's determinant.
+    Returns the matrix's determinant. Use determinant() instead.
 */
 
 
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 b6b85fa..9264c9c 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 22433dd..eddbfd2 100644
--- a/src/gui/painting/qwindowsurface_raster.cpp
+++ b/src/gui/painting/qwindowsurface_raster.cpp
@@ -118,7 +118,7 @@ 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());
@@ -149,7 +149,7 @@ 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 {