diff -r 000000000000 -r 1918ee327afb src/gui/painting/qpaintengine_x11.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qpaintengine_x11.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,2492 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qplatformdefs.h"
+
+#include "private/qpixmap_x11_p.h"
+
+#include "qapplication.h"
+#include "qdebug.h"
+#include "qfont.h"
+#include "qwidget.h"
+#include "qbitmap.h"
+#include "qpixmapcache.h"
+#include "qtextcodec.h"
+#include "qcoreevent.h"
+#include "qiodevice.h"
+#include <qmath.h>
+
+#include "qpainter_p.h"
+#include <qtextlayout.h>
+#include <qvarlengtharray.h>
+#include <private/qfont_p.h>
+#include <private/qtextengine_p.h>
+#include <private/qpaintengine_x11_p.h>
+#include <private/qfontengine_x11_p.h>
+#include <private/qwidget_p.h>
+#include <private/qpainterpath_p.h>
+
+#include "qpen.h"
+#include "qcolor.h"
+#include "qcolormap.h"
+
+#include <private/qpaintengine_p.h>
+#include "qpaintengine_x11_p.h"
+
+#include <private/qt_x11_p.h>
+#include <private/qnumeric_p.h>
+#include <limits.h>
+
+#ifndef QT_NO_XRENDER
+#include <private/qtessellator_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+extern Drawable qt_x11Handle(const QPaintDevice *pd);
+extern const QX11Info *qt_x11Info(const QPaintDevice *pd);
+extern QPixmap qt_pixmapForBrush(int brushStyle, bool invert); //in qbrush.cpp
+extern QPixmap qt_toX11Pixmap(const QPixmap &pixmap);
+
+// use the same rounding as in qrasterizer.cpp (6 bit fixed point)
+static const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
+
+#undef X11 // defined in qt_x11_p.h
+/*!
+    Returns the X11 specific pen GC for the painter \a p. Note that
+    QPainter::begin() must be called before this function returns a
+    valid GC.
+*/
+Q_GUI_EXPORT GC qt_x11_get_pen_gc(QPainter *p)
+{
+    if (p && p->paintEngine()
+        && p->paintEngine()->isActive()
+        && p->paintEngine()->type() == QPaintEngine::X11) {
+        return static_cast<QX11PaintEngine *>(p->paintEngine())->d_func()->gc;
+    }
+    return 0;
+}
+
+/*!
+    Returns the X11 specific brush GC for the painter \a p. Note that
+    QPainter::begin() must be called before this function returns a
+    valid GC.
+*/
+Q_GUI_EXPORT GC qt_x11_get_brush_gc(QPainter *p)
+{
+    if (p && p->paintEngine()
+        && p->paintEngine()->isActive()
+        && p->paintEngine()->type() == QPaintEngine::X11) {
+        return static_cast<QX11PaintEngine *>(p->paintEngine())->d_func()->gc_brush;
+    }
+    return 0;
+}
+#define X11 qt_x11Data
+
+#ifndef QT_NO_XRENDER
+static const int compositionModeToRenderOp[QPainter::CompositionMode_Xor + 1] = {
+    PictOpOver, //CompositionMode_SourceOver,
+    PictOpOverReverse, //CompositionMode_DestinationOver,
+    PictOpClear, //CompositionMode_Clear,
+    PictOpSrc, //CompositionMode_Source,
+    PictOpDst, //CompositionMode_Destination,
+    PictOpIn, //CompositionMode_SourceIn,
+    PictOpInReverse, //CompositionMode_DestinationIn,
+    PictOpOut, //CompositionMode_SourceOut,
+    PictOpOutReverse, //CompositionMode_DestinationOut,
+    PictOpAtop, //CompositionMode_SourceAtop,
+    PictOpAtopReverse, //CompositionMode_DestinationAtop,
+    PictOpXor //CompositionMode_Xor
+};
+
+static inline int qpainterOpToXrender(QPainter::CompositionMode mode)
+{
+    Q_ASSERT(mode <= QPainter::CompositionMode_Xor);
+    return compositionModeToRenderOp[mode];
+}
+#endif
+
+// hack, so we don't have to make QRegion::clipRectangles() public or include
+// X11 headers in qregion.h
+Q_AUTOTEST_EXPORT void *qt_getClipRects(const QRegion &r, int &num)
+{
+    return r.clipRectangles(num);
+}
+
+static inline void x11SetClipRegion(Display *dpy, GC gc, GC gc2,
+#ifndef QT_NO_XRENDER
+                                    Picture picture,
+#else
+                                    Qt::HANDLE picture,
+#endif
+                                    const QRegion &r)
+{
+    int num;
+    XRectangle *rects = (XRectangle *)qt_getClipRects(r, num);
+
+    if (gc)
+        XSetClipRectangles( dpy, gc, 0, 0, rects, num, YXBanded );
+    if (gc2)
+        XSetClipRectangles( dpy, gc2, 0, 0, rects, num, YXBanded );
+
+#ifndef QT_NO_XRENDER
+    if (picture)
+        XRenderSetPictureClipRectangles(dpy, picture, 0, 0, rects, num);
+#else
+    Q_UNUSED(picture);
+#endif // QT_NO_XRENDER
+}
+
+
+static inline void x11ClearClipRegion(Display *dpy, GC gc, GC gc2,
+#ifndef QT_NO_XRENDER
+                                    Picture picture
+#else
+                                    Qt::HANDLE picture
+#endif
+                                      )
+{
+    if (gc)
+        XSetClipMask(dpy, gc, XNone);
+    if (gc2)
+        XSetClipMask(dpy, gc2, XNone);
+
+#ifndef QT_NO_XRENDER
+    if (picture) {
+        XRenderPictureAttributes attrs;
+        attrs.clip_mask = XNone;
+        XRenderChangePicture (dpy, picture, CPClipMask, &attrs);
+    }
+#else
+    Q_UNUSED(picture);
+#endif // QT_NO_XRENDER
+}
+
+
+#define DITHER_SIZE 16
+static const uchar base_dither_matrix[DITHER_SIZE][DITHER_SIZE] = {
+  {   0,192, 48,240, 12,204, 60,252,  3,195, 51,243, 15,207, 63,255 },
+  { 128, 64,176,112,140, 76,188,124,131, 67,179,115,143, 79,191,127 },
+  {  32,224, 16,208, 44,236, 28,220, 35,227, 19,211, 47,239, 31,223 },
+  { 160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95 },
+  {   8,200, 56,248,  4,196, 52,244, 11,203, 59,251,  7,199, 55,247 },
+  { 136, 72,184,120,132, 68,180,116,139, 75,187,123,135, 71,183,119 },
+  {  40,232, 24,216, 36,228, 20,212, 43,235, 27,219, 39,231, 23,215 },
+  { 168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87 },
+  {   2,194, 50,242, 14,206, 62,254,  1,193, 49,241, 13,205, 61,253 },
+  { 130, 66,178,114,142, 78,190,126,129, 65,177,113,141, 77,189,125 },
+  {  34,226, 18,210, 46,238, 30,222, 33,225, 17,209, 45,237, 29,221 },
+  { 162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93 },
+  {  10,202, 58,250,  6,198, 54,246,  9,201, 57,249,  5,197, 53,245 },
+  { 138, 74,186,122,134, 70,182,118,137, 73,185,121,133, 69,181,117 },
+  {  42,234, 26,218, 38,230, 22,214, 41,233, 25,217, 37,229, 21,213 },
+  { 170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85 }
+};
+
+static QPixmap qt_patternForAlpha(uchar alpha, int screen)
+{
+    QPixmap pm;
+    QString key = QLatin1String("$qt-alpha-brush$") + QString::number(alpha) + QString::number(screen);
+    if (!QPixmapCache::find(key, pm)) {
+        // #### why not use a mono image here????
+        QImage pattern(DITHER_SIZE, DITHER_SIZE, QImage::Format_ARGB32);
+        pattern.fill(0xffffffff);
+        for (int y = 0; y < DITHER_SIZE; ++y) {
+            for (int x = 0; x < DITHER_SIZE; ++x) {
+                if (base_dither_matrix[x][y] <= alpha)
+                    pattern.setPixel(x, y, 0x00000000);
+            }
+        }
+        pm = QBitmap::fromImage(pattern);
+        pm.x11SetScreen(screen);
+        QPixmapCache::insert(key, pm);
+    }
+    return pm;
+}
+
+#if !defined(QT_NO_XRENDER)
+
+class QXRenderTessellator : public QTessellator
+{
+public:
+    QXRenderTessellator() : traps(0), allocated(0), size(0) {}
+    ~QXRenderTessellator() { free(traps); }
+    XTrapezoid *traps;
+    int allocated;
+    int size;
+    void addTrap(const Trapezoid &trap);
+    QRect tessellate(const QPointF *points, int nPoints, bool winding) {
+        size = 0;
+        setWinding(winding);
+        return QTessellator::tessellate(points, nPoints).toRect();
+    }
+    void done() {
+        if (allocated > 64) {
+            free(traps);
+            traps = 0;
+            allocated = 0;
+        }
+    }
+};
+
+void QXRenderTessellator::addTrap(const Trapezoid &trap)
+{
+    if (size == allocated) {
+        allocated = qMax(2*allocated, 64);
+        traps = q_check_ptr((XTrapezoid *)realloc(traps, allocated * sizeof(XTrapezoid)));
+    }
+    traps[size].top = Q27Dot5ToXFixed(trap.top);
+    traps[size].bottom = Q27Dot5ToXFixed(trap.bottom);
+    traps[size].left.p1.x = Q27Dot5ToXFixed(trap.topLeft->x);
+    traps[size].left.p1.y = Q27Dot5ToXFixed(trap.topLeft->y);
+    traps[size].left.p2.x = Q27Dot5ToXFixed(trap.bottomLeft->x);
+    traps[size].left.p2.y = Q27Dot5ToXFixed(trap.bottomLeft->y);
+    traps[size].right.p1.x = Q27Dot5ToXFixed(trap.topRight->x);
+    traps[size].right.p1.y = Q27Dot5ToXFixed(trap.topRight->y);
+    traps[size].right.p2.x = Q27Dot5ToXFixed(trap.bottomRight->x);
+    traps[size].right.p2.y = Q27Dot5ToXFixed(trap.bottomRight->y);
+    ++size;
+}
+
+#endif // !defined(QT_NO_XRENDER)
+
+
+#ifndef QT_NO_XRENDER
+static Picture getPatternFill(int screen, const QBrush &b)
+{
+    if (!X11->use_xrender)
+        return XNone;
+
+    XRenderColor color = X11->preMultiply(b.color());
+    XRenderColor bg_color;
+
+    bg_color = X11->preMultiply(QColor(0, 0, 0, 0));
+
+    for (int i = 0; i < X11->pattern_fill_count; ++i) {
+        if (X11->pattern_fills[i].screen == screen
+            && X11->pattern_fills[i].opaque == false
+            && X11->pattern_fills[i].style == b.style()
+            && X11->pattern_fills[i].color.alpha == color.alpha
+            && X11->pattern_fills[i].color.red == color.red
+            && X11->pattern_fills[i].color.green == color.green
+            && X11->pattern_fills[i].color.blue == color.blue
+            && X11->pattern_fills[i].bg_color.alpha == bg_color.alpha
+            && X11->pattern_fills[i].bg_color.red == bg_color.red
+            && X11->pattern_fills[i].bg_color.green == bg_color.green
+            && X11->pattern_fills[i].bg_color.blue == bg_color.blue)
+            return X11->pattern_fills[i].picture;
+    }
+    // none found, replace one
+    int i = rand() % 16;
+
+    if (X11->pattern_fills[i].screen != screen && X11->pattern_fills[i].picture) {
+	XRenderFreePicture (X11->display, X11->pattern_fills[i].picture);
+	X11->pattern_fills[i].picture = 0;
+    }
+
+    if (!X11->pattern_fills[i].picture) {
+        Pixmap pixmap = XCreatePixmap (X11->display, RootWindow (X11->display, screen), 8, 8, 32);
+        XRenderPictureAttributes attrs;
+        attrs.repeat = True;
+        X11->pattern_fills[i].picture = XRenderCreatePicture (X11->display, pixmap,
+                                                              XRenderFindStandardFormat(X11->display, PictStandardARGB32),
+                                                              CPRepeat, &attrs);
+        XFreePixmap (X11->display, pixmap);
+    }
+
+    X11->pattern_fills[i].screen = screen;
+    X11->pattern_fills[i].color = color;
+    X11->pattern_fills[i].bg_color = bg_color;
+    X11->pattern_fills[i].opaque = false;
+    X11->pattern_fills[i].style = b.style();
+
+    XRenderFillRectangle(X11->display, PictOpSrc, X11->pattern_fills[i].picture, &bg_color, 0, 0, 8, 8);
+
+    QPixmap pattern(qt_pixmapForBrush(b.style(), true));
+    XRenderPictureAttributes attrs;
+    attrs.repeat = true;
+    XRenderChangePicture(X11->display, pattern.x11PictureHandle(), CPRepeat, &attrs);
+
+    Picture fill_fg = X11->getSolidFill(screen, b.color());
+    XRenderComposite(X11->display, PictOpOver, fill_fg, pattern.x11PictureHandle(),
+                     X11->pattern_fills[i].picture,
+                     0, 0, 0, 0, 0, 0, 8, 8);
+
+    return X11->pattern_fills[i].picture;
+}
+
+static void qt_render_bitmap(Display *dpy, int scrn, Picture src, Picture dst,
+                      int sx, int sy, int x, int y, int sw, int sh,
+                      const QPen &pen)
+{
+    Picture fill_fg = X11->getSolidFill(scrn, pen.color());
+    XRenderComposite(dpy, PictOpOver,
+                     fill_fg, src, dst, sx, sy, sx, sy, x, y, sw, sh);
+}
+#endif
+
+void QX11PaintEnginePrivate::init()
+{
+    dpy = 0;
+    scrn = 0;
+    hd = 0;
+    picture = 0;
+    xinfo = 0;
+#ifndef QT_NO_XRENDER
+    current_brush = 0;
+    composition_mode = PictOpOver;
+    tessellator = new QXRenderTessellator;
+#endif
+}
+
+void QX11PaintEnginePrivate::setupAdaptedOrigin(const QPoint &p)
+{
+    if (adapted_pen_origin)
+        XSetTSOrigin(dpy, gc, p.x(), p.y());
+    if (adapted_brush_origin)
+        XSetTSOrigin(dpy, gc_brush, p.x(), p.y());
+}
+
+void QX11PaintEnginePrivate::resetAdaptedOrigin()
+{
+    if (adapted_pen_origin)
+        XSetTSOrigin(dpy, gc, 0, 0);
+    if (adapted_brush_origin)
+        XSetTSOrigin(dpy, gc_brush, 0, 0);
+}
+
+void QX11PaintEnginePrivate::clipPolygon_dev(const QPolygonF &poly, QPolygonF *clipped_poly)
+{
+    int clipped_count = 0;
+    qt_float_point *clipped_points = 0;
+    polygonClipper.clipPolygon((qt_float_point *) poly.data(), poly.size(),
+                               &clipped_points, &clipped_count);
+    clipped_poly->resize(clipped_count);
+    for (int i=0; i<clipped_count; ++i)
+        (*clipped_poly)[i] = *((QPointF *)(&clipped_points[i]));
+}
+
+void QX11PaintEnginePrivate::systemStateChanged()
+{
+    Q_Q(QX11PaintEngine);
+    QPainter *painter = q->state ? static_cast<QPainterState *>(q->state)->painter : 0;
+    if (painter && painter->hasClipping()) {
+        if (q->testDirty(QPaintEngine::DirtyTransform))
+            q->updateMatrix(q->state->transform());
+        QPolygonF clip_poly_dev(matrix.map(painter->clipPath().toFillPolygon()));
+        QPolygonF clipped_poly_dev;
+        clipPolygon_dev(clip_poly_dev, &clipped_poly_dev);
+        q->updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon()), Qt::ReplaceClip);
+    } else {
+        q->updateClipRegion_dev(QRegion(), Qt::NoClip);
+    }
+}
+
+static QPaintEngine::PaintEngineFeatures qt_decide_features()
+{
+    QPaintEngine::PaintEngineFeatures features =
+        QPaintEngine::PrimitiveTransform
+        | QPaintEngine::PatternBrush
+        | QPaintEngine::AlphaBlend
+        | QPaintEngine::PainterPaths
+        | QPaintEngine::RasterOpModes;
+
+    if (X11->use_xrender) {
+        features |= QPaintEngine::Antialiasing;
+        features |= QPaintEngine::PorterDuff;
+        features |= QPaintEngine::MaskedBrush;
+#if 0
+        if (X11->xrender_version > 10) {
+            features |= QPaintEngine::LinearGradientFill;
+            // ###
+        }
+#endif
+    }
+
+    return features;
+}
+
+/*
+ * QX11PaintEngine members
+ */
+
+QX11PaintEngine::QX11PaintEngine()
+    : QPaintEngine(*(new QX11PaintEnginePrivate), qt_decide_features())
+{
+    d_func()->init();
+}
+
+QX11PaintEngine::QX11PaintEngine(QX11PaintEnginePrivate &dptr)
+    : QPaintEngine(dptr, qt_decide_features())
+{
+    d_func()->init();
+}
+
+QX11PaintEngine::~QX11PaintEngine()
+{
+#ifndef QT_NO_XRENDER
+    Q_D(QX11PaintEngine);
+    delete d->tessellator;
+#endif
+}
+
+bool QX11PaintEngine::begin(QPaintDevice *pdev)
+{
+    Q_D(QX11PaintEngine);
+    d->xinfo = qt_x11Info(pdev);
+    QWidget *w = d->pdev->devType() == QInternal::Widget ? static_cast<QWidget *>(d->pdev) : 0;
+    const bool isAlienWidget = w && !w->internalWinId() && w->testAttribute(Qt::WA_WState_Created);
+#ifndef QT_NO_XRENDER
+    if (w) {
+        if (isAlienWidget)
+            d->picture = (::Picture)w->nativeParentWidget()->x11PictureHandle();
+        else
+            d->picture = (::Picture)w->x11PictureHandle();
+    } else if (pdev->devType() == QInternal::Pixmap) {
+        const QPixmap *pm = static_cast<const QPixmap *>(pdev);
+        QX11PixmapData *data = static_cast<QX11PixmapData*>(pm->data.data());
+        if (X11->use_xrender && data->depth() != 32 && data->x11_mask)
+            data->convertToARGB32();
+        d->picture = (::Picture)static_cast<const QPixmap *>(pdev)->x11PictureHandle();
+    }
+#else
+    d->picture = 0;
+#endif
+    d->hd = !isAlienWidget ? qt_x11Handle(pdev) : qt_x11Handle(w->nativeParentWidget());
+
+    Q_ASSERT(d->xinfo != 0);
+    d->dpy = d->xinfo->display(); // get display variable
+    d->scrn = d->xinfo->screen(); // get screen variable
+
+    d->crgn = QRegion();
+    d->gc = XCreateGC(d->dpy, d->hd, 0, 0);
+    d->gc_brush = XCreateGC(d->dpy, d->hd, 0, 0);
+    d->has_alpha_brush = false;
+    d->has_alpha_pen = false;
+    d->has_clipping = false;
+    d->has_complex_xform = false;
+    d->has_scaling_xform = false;
+    d->has_non_scaling_xform = true;
+    d->xform_scale = 1;
+    d->has_custom_pen = false;
+    d->matrix = QTransform();
+    d->pdev_depth = d->pdev->depth();
+    d->render_hints = 0;
+    d->txop = QTransform::TxNone;
+    d->use_path_fallback = false;
+#if !defined(QT_NO_XRENDER)
+    d->composition_mode = PictOpOver;
+#endif
+    d->xlibMaxLinePoints = 32762; // a safe number used to avoid, call to XMaxRequestSize(d->dpy) - 3;
+    d->opacity = 1;
+
+    // Set up the polygon clipper. Note: This will only work in
+    // polyline mode as long as we have a buffer zone, since a
+    // polyline may be clipped into several non-connected polylines.
+    const int BUFFERZONE = 1000;
+    QRect devClipRect(-BUFFERZONE, -BUFFERZONE,
+                      pdev->width() + 2*BUFFERZONE, pdev->height() + 2*BUFFERZONE);
+    d->polygonClipper.setBoundingRect(devClipRect);
+
+    if (isAlienWidget) {
+        // Set system clip for alien widgets painting outside the paint event.
+        // This is not a problem with native windows since the windowing system
+        // will handle the clip.
+        QWidgetPrivate *wd = w->d_func();
+        QRegion widgetClip(wd->clipRect());
+        wd->clipToEffectiveMask(widgetClip);
+        wd->subtractOpaqueSiblings(widgetClip);
+        widgetClip.translate(w->mapTo(w->nativeParentWidget(), QPoint()));
+        setSystemClip(widgetClip);
+    }
+
+    QPixmap::x11SetDefaultScreen(d->xinfo->screen());
+
+    if (w && w->testAttribute(Qt::WA_PaintUnclipped)) {  // paint direct on device
+ 	updatePen(QPen(Qt::black));
+ 	updateBrush(QBrush(Qt::white), QPoint());
+        XSetSubwindowMode(d->dpy, d->gc, IncludeInferiors);
+        XSetSubwindowMode(d->dpy, d->gc_brush, IncludeInferiors);
+#ifndef QT_NO_XRENDER
+        XRenderPictureAttributes attrs;
+        attrs.subwindow_mode = IncludeInferiors;
+        XRenderChangePicture(d->dpy, d->picture, CPSubwindowMode, &attrs);
+#endif
+    }
+
+    setDirty(QPaintEngine::DirtyClipRegion);
+    setDirty(QPaintEngine::DirtyPen);
+    setDirty(QPaintEngine::DirtyBrush);
+    setDirty(QPaintEngine::DirtyBackground);
+
+    return true;
+}
+
+bool QX11PaintEngine::end()
+{
+    Q_D(QX11PaintEngine);
+
+#if !defined(QT_NO_XRENDER)
+    if (d->picture) {
+        // reset clipping/subwindow mode on our render picture
+	XRenderPictureAttributes attrs;
+	attrs.subwindow_mode = ClipByChildren;
+        attrs.clip_mask = XNone;
+	XRenderChangePicture(d->dpy, d->picture, CPClipMask|CPSubwindowMode, &attrs);
+    }
+#endif
+
+    if (d->gc_brush && d->pdev->painters < 2) {
+        XFreeGC(d->dpy, d->gc_brush);
+        d->gc_brush = 0;
+    }
+
+    if (d->gc && d->pdev->painters < 2) {
+        XFreeGC(d->dpy, d->gc);
+        d->gc = 0;
+    }
+
+    // Restore system clip for alien widgets painting outside the paint event.
+    if (d->pdev->devType() == QInternal::Widget && !static_cast<QWidget *>(d->pdev)->internalWinId())
+        setSystemClip(QRegion());
+
+    return true;
+}
+
+static bool clipLine(QLineF *line, const QRect &rect)
+{
+    qreal x1 = line->x1();
+    qreal x2 = line->x2();
+    qreal y1 = line->y1();
+    qreal y2 = line->y2();
+
+    qreal left = rect.x();
+    qreal right = rect.x() + rect.width() - 1;
+    qreal top = rect.y();
+    qreal bottom = rect.y() + rect.height() - 1;
+
+    enum { Left, Right, Top, Bottom };
+    // clip the lines, after cohen-sutherland, see e.g. http://www.nondot.org/~sabre/graphpro/line6.html
+    int p1 = ((x1 < left) << Left)
+             | ((x1 > right) << Right)
+             | ((y1 < top) << Top)
+             | ((y1 > bottom) << Bottom);
+    int p2 = ((x2 < left) << Left)
+             | ((x2 > right) << Right)
+             | ((y2 < top) << Top)
+             | ((y2 > bottom) << Bottom);
+
+    if (p1 & p2)
+        // completely outside
+        return false;
+
+    if (p1 | p2) {
+        qreal dx = x2 - x1;
+        qreal dy = y2 - y1;
+
+        // clip x coordinates
+        if (x1 < left) {
+            y1 += dy/dx * (left - x1);
+            x1 = left;
+        } else if (x1 > right) {
+            y1 -= dy/dx * (x1 - right);
+            x1 = right;
+        }
+        if (x2 < left) {
+            y2 += dy/dx * (left - x2);
+            x2 = left;
+        } else if (x2 > right) {
+            y2 -= dy/dx * (x2 - right);
+            x2 = right;
+        }
+        p1 = ((y1 < top) << Top)
+             | ((y1 > bottom) << Bottom);
+        p2 = ((y2 < top) << Top)
+             | ((y2 > bottom) << Bottom);
+        if (p1 & p2)
+            return false;
+        // clip y coordinates
+        if (y1 < top) {
+            x1 += dx/dy * (top - y1);
+            y1 = top;
+        } else if (y1 > bottom) {
+            x1 -= dx/dy * (y1 - bottom);
+            y1 = bottom;
+        }
+        if (y2 < top) {
+            x2 += dx/dy * (top - y2);
+            y2 = top;
+        } else if (y2 > bottom) {
+            x2 -= dx/dy * (y2 - bottom);
+            y2 = bottom;
+        }
+        *line = QLineF(QPointF(x1, y1), QPointF(x2, y2));
+    }
+    return true;
+}
+
+void QX11PaintEngine::drawLines(const QLine *lines, int lineCount)
+{
+    Q_ASSERT(lines);
+    Q_ASSERT(lineCount);
+    Q_D(QX11PaintEngine);
+    if (d->has_alpha_brush
+        || d->has_alpha_pen
+        || d->has_custom_pen
+        || (d->cpen.widthF() > 0 && d->has_complex_xform
+            && !d->has_non_scaling_xform)
+        || (d->render_hints & QPainter::Antialiasing)) {
+        for (int i = 0; i < lineCount; ++i) {
+            QPainterPath path(lines[i].p1());
+            path.lineTo(lines[i].p2());
+            drawPath(path);
+        }
+        return;
+    }
+
+    if (d->has_pen) {
+        for (int i = 0; i < lineCount; ++i) {
+            QLineF linef;
+            if (d->txop == QTransform::TxNone) {
+                linef = lines[i];
+            } else {
+                linef = d->matrix.map(QLineF(lines[i]));
+            }
+            if (clipLine(&linef, d->polygonClipper.boundingRect())) {
+                int x1 = qRound(linef.x1() + aliasedCoordinateDelta);
+                int y1 = qRound(linef.y1() + aliasedCoordinateDelta);
+                int x2 = qRound(linef.x2() + aliasedCoordinateDelta);
+                int y2 = qRound(linef.y2() + aliasedCoordinateDelta);
+
+                XDrawLine(d->dpy, d->hd, d->gc, x1, y1, x2, y2);
+            }
+        }
+    }
+}
+
+void QX11PaintEngine::drawLines(const QLineF *lines, int lineCount)
+{
+    Q_ASSERT(lines);
+    Q_ASSERT(lineCount);
+    Q_D(QX11PaintEngine);
+    if (d->has_alpha_brush
+        || d->has_alpha_pen
+        || d->has_custom_pen
+        || (d->cpen.widthF() > 0 && d->has_complex_xform
+            && !d->has_non_scaling_xform)
+        || (d->render_hints & QPainter::Antialiasing)) {
+        for (int i = 0; i < lineCount; ++i) {
+            QPainterPath path(lines[i].p1());
+            path.lineTo(lines[i].p2());
+            drawPath(path);
+        }
+        return;
+    }
+
+    if (d->has_pen) {
+        for (int i = 0; i < lineCount; ++i) {
+            QLineF linef = d->matrix.map(lines[i]);
+            if (clipLine(&linef, d->polygonClipper.boundingRect())) {
+                int x1 = qRound(linef.x1() + aliasedCoordinateDelta);
+                int y1 = qRound(linef.y1() + aliasedCoordinateDelta);
+                int x2 = qRound(linef.x2() + aliasedCoordinateDelta);
+                int y2 = qRound(linef.y2() + aliasedCoordinateDelta);
+
+                XDrawLine(d->dpy, d->hd, d->gc, x1, y1, x2, y2);
+            }
+        }
+    }
+}
+
+static inline QLine clipStraightLine(const QRect &clip, const QLine &l)
+{
+    if (l.p1().x() == l.p2().x()) {
+        int x = qBound(clip.left(), l.p1().x(), clip.right());
+        int y1 = qBound(clip.top(), l.p1().y(), clip.bottom());
+        int y2 = qBound(clip.top(), l.p2().y(), clip.bottom());
+
+        return QLine(x, y1, x, y2);
+    } else {
+        Q_ASSERT(l.p1().y() == l.p2().y());
+
+        int x1 = qBound(clip.left(), l.p1().x(), clip.right());
+        int x2 = qBound(clip.left(), l.p2().x(), clip.right());
+        int y = qBound(clip.top(), l.p1().y(), clip.bottom());
+
+        return QLine(x1, y, x2, y);
+    }
+}
+
+void QX11PaintEngine::drawRects(const QRectF *rects, int rectCount)
+{
+    Q_D(QX11PaintEngine);
+    Q_ASSERT(rects);
+    Q_ASSERT(rectCount);
+
+    if (rectCount != 1
+        || d->has_pen
+        || d->has_alpha_brush
+        || d->has_complex_xform
+        || d->has_custom_pen
+        || d->cbrush.style() != Qt::SolidPattern)
+    {
+        QPaintEngine::drawRects(rects, rectCount);
+        return;
+    }
+
+    QPoint alignedOffset;
+    if (d->txop == QTransform::TxTranslate) {
+        QPointF offset(d->matrix.dx(), d->matrix.dy());
+        alignedOffset = offset.toPoint();
+        if (offset != QPointF(alignedOffset)) {
+            QPaintEngine::drawRects(rects, rectCount);
+            return;
+        }
+    }
+
+    const QRectF& r = rects[0];
+    QRect alignedRect = r.toAlignedRect();
+    if (r != QRectF(alignedRect)) {
+        QPaintEngine::drawRects(rects, rectCount);
+        return;
+    }
+    alignedRect.translate(alignedOffset);
+
+    QRect clip(d->polygonClipper.boundingRect());
+    alignedRect = alignedRect.intersected(clip);
+    if (alignedRect.isEmpty())
+        return;
+
+    // simple-case:
+    //   the rectangle is pixel-aligned
+    //   the fill brush is just a solid non-alpha color
+    //   the painter transform is only integer translation
+    // ignore: antialiasing and just XFillRectangles directly
+    XRectangle xrect;
+    xrect.x = short(alignedRect.x());
+    xrect.y = short(alignedRect.y());
+    xrect.width = ushort(alignedRect.width());
+    xrect.height = ushort(alignedRect.height());
+    XFillRectangles(d->dpy, d->hd, d->gc_brush, &xrect, 1);
+}
+
+void QX11PaintEngine::drawRects(const QRect *rects, int rectCount)
+{
+    Q_D(QX11PaintEngine);
+    Q_ASSERT(rects);
+    Q_ASSERT(rectCount);
+
+    if (d->has_alpha_pen
+        || d->has_complex_xform
+        || d->has_custom_pen
+        || (d->render_hints & QPainter::Antialiasing))
+    {
+        for (int i = 0; i < rectCount; ++i) {
+            QPainterPath path;
+            path.addRect(rects[i]);
+            drawPath(path);
+        }
+        return;
+    }
+
+    QRect clip(d->polygonClipper.boundingRect());
+    QPoint offset(qRound(d->matrix.dx()), qRound(d->matrix.dy()));
+#if !defined(QT_NO_XRENDER)
+    ::Picture pict = d->picture;
+
+    if (X11->use_xrender && pict && d->has_brush && d->pdev_depth != 1
+        && (d->has_texture || d->has_alpha_brush))
+    {
+        XRenderColor xc;
+        if (!d->has_texture && !d->has_pattern)
+            xc = X11->preMultiply(d->cbrush.color());
+
+        for (int i = 0; i < rectCount; ++i) {
+            QRect r(rects[i]);
+            if (d->txop == QTransform::TxTranslate)
+                r.translate(offset);
+
+            if (r.width() == 0 || r.height() == 0) {
+                if (d->has_pen) {
+                    const QLine l = clipStraightLine(clip, QLine(r.left(), r.top(), r.left() + r.width(), r.top() + r.height()));
+                    XDrawLine(d->dpy, d->hd, d->gc, l.p1().x(), l.p1().y(), l.p2().x(), l.p2().y());
+                }
+                continue;
+            }
+
+            r = r.intersected(clip);
+            if (r.isEmpty())
+                continue;
+            if (d->has_texture || d->has_pattern) {
+                XRenderComposite(d->dpy, d->composition_mode, d->current_brush, 0, pict,
+                                 qRound(r.x() - d->bg_origin.x()), qRound(r.y() - d->bg_origin.y()),
+                                 0, 0, r.x(), r.y(), r.width(), r.height());
+            } else {
+                XRenderFillRectangle(d->dpy, d->composition_mode, pict, &xc, r.x(), r.y(), r.width(), r.height());
+            }
+            if (d->has_pen)
+                XDrawRectangle(d->dpy, d->hd, d->gc, r.x(), r.y(), r.width(), r.height());
+        }
+    } else
+#endif // !QT_NO_XRENDER
+    {
+        if (d->has_brush && d->has_pen) {
+            for (int i = 0; i < rectCount; ++i) {
+                QRect r(rects[i]);
+                if (d->txop == QTransform::TxTranslate)
+                    r.translate(offset);
+
+                if (r.width() == 0 || r.height() == 0) {
+                    const QLine l = clipStraightLine(clip, QLine(r.left(), r.top(), r.left() + r.width(), r.top() + r.height()));
+                    XDrawLine(d->dpy, d->hd, d->gc, l.p1().x(), l.p1().y(), l.p2().x(), l.p2().y());
+                    continue;
+                }
+
+                r = r.intersected(clip);
+                if (r.isEmpty())
+                    continue;
+                d->setupAdaptedOrigin(r.topLeft());
+                XFillRectangle(d->dpy, d->hd, d->gc_brush, r.x(), r.y(), r.width(), r.height());
+                XDrawRectangle(d->dpy, d->hd, d->gc, r.x(), r.y(), r.width(), r.height());
+            }
+            d->resetAdaptedOrigin();
+        } else {
+            QVarLengthArray<XRectangle> xrects(rectCount);
+            int numClipped = rectCount;
+            for (int i = 0; i < rectCount; ++i) {
+                QRect r(rects[i]);
+                if (d->txop == QTransform::TxTranslate)
+                    r.translate(offset);
+
+                if (r.width() == 0 || r.height() == 0) {
+                    --numClipped;
+                    if (d->has_pen) {
+                        const QLine l = clipStraightLine(clip, QLine(r.left(), r.top(), r.left() + r.width(), r.top() + r.height()));
+                        XDrawLine(d->dpy, d->hd, d->gc, l.p1().x(), l.p1().y(), l.p2().x(), l.p2().y());
+                    }
+                    continue;
+                }
+
+                r = r.intersected(clip);
+                if (r.isEmpty()) {
+                    --numClipped;
+                    continue;
+                }
+                xrects[i].x = short(r.x());
+                xrects[i].y = short(r.y());
+                xrects[i].width = ushort(r.width());
+                xrects[i].height = ushort(r.height());
+            }
+            if (numClipped) {
+                d->setupAdaptedOrigin(rects[0].topLeft());
+                if (d->has_brush)
+                    XFillRectangles(d->dpy, d->hd, d->gc_brush, xrects.data(), numClipped);
+                else if (d->has_pen)
+                    XDrawRectangles(d->dpy, d->hd, d->gc, xrects.data(), numClipped);
+                d->resetAdaptedOrigin();
+            }
+        }
+    }
+}
+
+static inline void setCapStyle(int cap_style, GC gc)
+{
+    ulong mask = GCCapStyle;
+    XGCValues vals;
+    vals.cap_style = cap_style;
+    XChangeGC(X11->display, gc, mask, &vals);
+}
+
+void QX11PaintEngine::drawPoints(const QPoint *points, int pointCount)
+{
+    Q_ASSERT(points);
+    Q_ASSERT(pointCount);
+    Q_D(QX11PaintEngine);
+
+    if (!d->has_pen)
+        return;
+
+    // use the same test here as in drawPath to ensure that we don't use the path fallback
+    // and end up in XDrawLines for pens with width <= 1
+    if (d->cpen.widthF() > 1.0f
+        || (X11->use_xrender && (d->has_alpha_pen || (d->render_hints & QPainter::Antialiasing)))
+        || (!d->cpen.isCosmetic() && d->txop > QTransform::TxTranslate))
+    {
+        Qt::PenCapStyle capStyle = d->cpen.capStyle();
+        if (capStyle == Qt::FlatCap) {
+            setCapStyle(CapProjecting, d->gc);
+            d->cpen.setCapStyle(Qt::SquareCap);
+        }
+        const QPoint *end = points + pointCount;
+        while (points < end) {
+            QPainterPath path;
+            path.moveTo(*points);
+            path.lineTo(points->x()+.005, points->y());
+            drawPath(path);
+            ++points;
+        }
+
+        if (capStyle == Qt::FlatCap) {
+            setCapStyle(CapButt, d->gc);
+            d->cpen.setCapStyle(capStyle);
+        }
+        return;
+    }
+
+    static const int BUF_SIZE = 1024;
+    XPoint xPoints[BUF_SIZE];
+    int i = 0, j = 0;
+    while (i < pointCount) {
+        while (i < pointCount && j < BUF_SIZE) {
+            const QPoint &xformed = d->matrix.map(points[i]);
+            int x = xformed.x();
+            int y = xformed.y();
+            if (x >= SHRT_MIN && y >= SHRT_MIN && x < SHRT_MAX && y < SHRT_MAX) {
+                xPoints[j].x = x;
+                xPoints[j].y = y;
+                ++j;
+            }
+            ++i;
+        }
+        if (j)
+            XDrawPoints(d->dpy, d->hd, d->gc, xPoints, j, CoordModeOrigin);
+
+        j = 0;
+    }
+}
+
+void QX11PaintEngine::drawPoints(const QPointF *points, int pointCount)
+{
+    Q_ASSERT(points);
+    Q_ASSERT(pointCount);
+    Q_D(QX11PaintEngine);
+
+    if (!d->has_pen)
+        return;
+
+    // use the same test here as in drawPath to ensure that we don't use the path fallback
+    // and end up in XDrawLines for pens with width <= 1
+    if (d->cpen.widthF() > 1.0f
+        || (X11->use_xrender && (d->has_alpha_pen || (d->render_hints & QPainter::Antialiasing)))
+        || (!d->cpen.isCosmetic() && d->txop > QTransform::TxTranslate))
+    {
+        Qt::PenCapStyle capStyle = d->cpen.capStyle();
+        if (capStyle == Qt::FlatCap) {
+            setCapStyle(CapProjecting, d->gc);
+            d->cpen.setCapStyle(Qt::SquareCap);
+        }
+
+        const QPointF *end = points + pointCount;
+        while (points < end) {
+            QPainterPath path;
+            path.moveTo(*points);
+            path.lineTo(points->x() + 0.005, points->y());
+            drawPath(path);
+            ++points;
+        }
+        if (capStyle == Qt::FlatCap) {
+            setCapStyle(CapButt, d->gc);
+            d->cpen.setCapStyle(capStyle);
+        }
+        return;
+    }
+
+    static const int BUF_SIZE = 1024;
+    XPoint xPoints[BUF_SIZE];
+    int i = 0, j = 0;
+    while (i < pointCount) {
+        while (i < pointCount && j < BUF_SIZE) {
+            const QPointF &xformed = d->matrix.map(points[i]);
+            int x = qFloor(xformed.x());
+            int y = qFloor(xformed.y());
+
+            if (x >= SHRT_MIN && y >= SHRT_MIN && x < SHRT_MAX && y < SHRT_MAX) {
+                xPoints[j].x = x;
+                xPoints[j].y = y;
+                ++j;
+            }
+            ++i;
+        }
+        if (j)
+            XDrawPoints(d->dpy, d->hd, d->gc, xPoints, j, CoordModeOrigin);
+
+        j = 0;
+    }
+}
+
+QPainter::RenderHints QX11PaintEngine::supportedRenderHints() const
+{
+#if !defined(QT_NO_XRENDER)
+    if (X11->use_xrender)
+        return QPainter::Antialiasing;
+#endif
+    return QFlag(0);
+}
+
+void QX11PaintEngine::updateState(const QPaintEngineState &state)
+{
+    Q_D(QX11PaintEngine);
+    QPaintEngine::DirtyFlags flags = state.state();
+
+
+    if (flags & DirtyOpacity) {
+        d->opacity = state.opacity();
+        // Force update pen/brush as to get proper alpha colors propagated
+        flags |= DirtyPen;
+        flags |= DirtyBrush;
+    }
+
+    if (flags & DirtyTransform) updateMatrix(state.transform());
+    if (flags & DirtyPen) updatePen(state.pen());
+    if (flags & (DirtyBrush | DirtyBrushOrigin)) updateBrush(state.brush(), state.brushOrigin());
+    if (flags & DirtyFont) updateFont(state.font());
+
+    if (state.state() & DirtyClipEnabled) {
+        if (state.isClipEnabled()) {
+            QPolygonF clip_poly_dev(d->matrix.map(painter()->clipPath().toFillPolygon()));
+            QPolygonF clipped_poly_dev;
+            d->clipPolygon_dev(clip_poly_dev, &clipped_poly_dev);
+            updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon()), Qt::ReplaceClip);
+        } else {
+            updateClipRegion_dev(QRegion(), Qt::NoClip);
+        }
+    }
+
+    if (flags & DirtyClipPath) {
+        QPolygonF clip_poly_dev(d->matrix.map(state.clipPath().toFillPolygon()));
+        QPolygonF clipped_poly_dev;
+        d->clipPolygon_dev(clip_poly_dev, &clipped_poly_dev);
+        updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon(), state.clipPath().fillRule()),
+                             state.clipOperation());
+    } else if (flags & DirtyClipRegion) {
+        extern QPainterPath qt_regionToPath(const QRegion &region);
+        QPainterPath clip_path = qt_regionToPath(state.clipRegion());
+        QPolygonF clip_poly_dev(d->matrix.map(clip_path.toFillPolygon()));
+        QPolygonF clipped_poly_dev;
+        d->clipPolygon_dev(clip_poly_dev, &clipped_poly_dev);
+        updateClipRegion_dev(QRegion(clipped_poly_dev.toPolygon()), state.clipOperation());
+    }
+    if (flags & DirtyHints) updateRenderHints(state.renderHints());
+    if (flags & DirtyCompositionMode) {
+        int function = GXcopy;
+        if (state.compositionMode() >= QPainter::RasterOp_SourceOrDestination) {
+            switch (state.compositionMode()) {
+            case QPainter::RasterOp_SourceOrDestination:
+                function = GXor;
+                break;
+            case QPainter::RasterOp_SourceAndDestination:
+                function = GXand;
+                break;
+            case QPainter::RasterOp_SourceXorDestination:
+                function = GXxor;
+                break;
+            case QPainter::RasterOp_NotSourceAndNotDestination:
+                function = GXnor;
+                break;
+            case QPainter::RasterOp_NotSourceOrNotDestination:
+                function = GXnand;
+                break;
+            case QPainter::RasterOp_NotSourceXorDestination:
+                function = GXequiv;
+                break;
+            case QPainter::RasterOp_NotSource:
+                function = GXcopyInverted;
+                break;
+            case QPainter::RasterOp_SourceAndNotDestination:
+                function = GXandReverse;
+                break;
+            case QPainter::RasterOp_NotSourceAndDestination:
+                function = GXandInverted;
+                break;
+            default:
+                function = GXcopy;
+            }
+        }
+#if !defined(QT_NO_XRENDER)
+        else {
+            d->composition_mode =
+            qpainterOpToXrender(state.compositionMode());
+        }
+#endif
+        XSetFunction(X11->display, d->gc, function);
+        XSetFunction(X11->display, d->gc_brush, function);
+    }
+    d->decidePathFallback();
+    d->decideCoordAdjust();
+}
+
+void QX11PaintEngine::updateRenderHints(QPainter::RenderHints hints)
+{
+    Q_D(QX11PaintEngine);
+    d->render_hints = hints;
+
+#if !defined(QT_NO_XRENDER)
+    if (X11->use_xrender && d->picture) {
+        XRenderPictureAttributes attrs;
+        attrs.poly_edge = (hints & QPainter::Antialiasing) ? PolyEdgeSmooth : PolyEdgeSharp;
+        XRenderChangePicture(d->dpy, d->picture, CPPolyEdge, &attrs);
+    }
+#endif
+}
+
+void QX11PaintEngine::updatePen(const QPen &pen)
+{
+    Q_D(QX11PaintEngine);
+    d->cpen = pen;
+    int cp = CapButt;
+    int jn = JoinMiter;
+    int ps = pen.style();
+
+    if (d->opacity < 1.0) {
+        QColor c = d->cpen.color();
+        c.setAlpha(qRound(c.alpha()*d->opacity));
+        d->cpen.setColor(c);
+    }
+
+    d->has_pen = (ps != Qt::NoPen);
+    d->has_alpha_pen = (pen.color().alpha() != 255);
+
+    switch (pen.capStyle()) {
+    case Qt::SquareCap:
+        cp = CapProjecting;
+        break;
+    case Qt::RoundCap:
+        cp = CapRound;
+        break;
+    case Qt::FlatCap:
+    default:
+        cp = CapButt;
+        break;
+    }
+    switch (pen.joinStyle()) {
+    case Qt::BevelJoin:
+        jn = JoinBevel;
+        break;
+    case Qt::RoundJoin:
+        jn = JoinRound;
+        break;
+    case Qt::MiterJoin:
+    default:
+        jn = JoinMiter;
+        break;
+    }
+
+    d->adapted_pen_origin = false;
+
+    char dashes[10];                            // custom pen dashes
+    int dash_len = 0;                           // length of dash list
+    int xStyle = LineSolid;
+
+    /*
+      We are emulating Windows here.  Windows treats cpen.width() == 1
+      (or 0) as a very special case.  The fudge variable unifies this
+      case with the general case.
+    */
+    qreal pen_width = pen.widthF();
+    int scale =  qRound(pen_width < 1 ? 1 : pen_width);
+    int space = (pen_width < 1 && pen_width > 0 ? 1 : (2 * scale));
+    int dot = 1 * scale;
+    int dash = 4 * scale;
+
+    d->has_custom_pen = false;
+
+    switch (ps) {
+    case Qt::NoPen:
+    case Qt::SolidLine:
+        xStyle = LineSolid;
+	break;
+    case Qt::DashLine:
+	dashes[0] = dash;
+	dashes[1] = space;
+	dash_len = 2;
+        xStyle = LineOnOffDash;
+	break;
+    case Qt::DotLine:
+	dashes[0] = dot;
+	dashes[1] = space;
+	dash_len = 2;
+        xStyle = LineOnOffDash;
+	break;
+    case Qt::DashDotLine:
+	dashes[0] = dash;
+	dashes[1] = space;
+	dashes[2] = dot;
+	dashes[3] = space;
+	dash_len = 4;
+        xStyle = LineOnOffDash;
+	break;
+    case Qt::DashDotDotLine:
+	dashes[0] = dash;
+	dashes[1] = space;
+	dashes[2] = dot;
+	dashes[3] = space;
+	dashes[4] = dot;
+	dashes[5] = space;
+	dash_len = 6;
+        xStyle = LineOnOffDash;
+        break;
+    case Qt::CustomDashLine:
+        d->has_custom_pen = true;
+        break;
+    }
+
+    ulong mask = GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth
+                 | GCCapStyle | GCJoinStyle | GCLineStyle;
+    XGCValues vals;
+    vals.graphics_exposures = false;
+    if (d->pdev_depth == 1) {
+        vals.foreground = qGray(pen.color().rgb()) > 127 ? 0 : 1;
+        vals.background = qGray(QColor(Qt::transparent).rgb()) > 127 ? 0 : 1;
+    } else if (d->pdev->devType() == QInternal::Pixmap && d->pdev_depth == 32
+        && X11->use_xrender) {
+        vals.foreground = pen.color().rgba();
+        vals.background = QColor(Qt::transparent).rgba();
+    } else {
+        QColormap cmap = QColormap::instance(d->scrn);
+        vals.foreground = cmap.pixel(pen.color());
+        vals.background = cmap.pixel(QColor(Qt::transparent));
+    }
+
+
+    vals.line_width = qRound(pen.widthF());
+    vals.cap_style = cp;
+    vals.join_style = jn;
+    vals.line_style = xStyle;
+
+    XChangeGC(d->dpy, d->gc, mask, &vals);
+
+    if (dash_len) { // make dash list
+        XSetDashes(d->dpy, d->gc, 0, dashes, dash_len);
+    }
+
+    if (!d->has_clipping) { // if clipping is set the paintevent clip region is merged with the clip region
+        QRegion sysClip = systemClip();
+        if (!sysClip.isEmpty())
+            x11SetClipRegion(d->dpy, d->gc, 0, d->picture, sysClip);
+        else
+            x11ClearClipRegion(d->dpy, d->gc, 0, d->picture);
+    }
+}
+
+void QX11PaintEngine::updateBrush(const QBrush &brush, const QPointF &origin)
+{
+    Q_D(QX11PaintEngine);
+    d->cbrush = brush;
+    d->bg_origin = origin;
+    d->adapted_brush_origin = false;
+#if !defined(QT_NO_XRENDER)
+    d->current_brush = 0;
+#endif
+    if (d->opacity < 1.0) {
+        QColor c = d->cbrush.color();
+        c.setAlpha(qRound(c.alpha()*d->opacity));
+        d->cbrush.setColor(c);
+    }
+
+    int s  = FillSolid;
+    int  bs = d->cbrush.style();
+    d->has_brush = (bs != Qt::NoBrush);
+    d->has_pattern = bs >= Qt::Dense1Pattern && bs <= Qt::DiagCrossPattern;
+    d->has_texture = bs == Qt::TexturePattern;
+    d->has_alpha_brush = brush.color().alpha() != 255;
+    d->has_alpha_texture = d->has_texture && d->cbrush.texture().hasAlphaChannel();
+
+    ulong mask = GCForeground | GCBackground | GCGraphicsExposures
+                 | GCLineStyle | GCCapStyle | GCJoinStyle | GCFillStyle;
+    XGCValues vals;
+    vals.graphics_exposures = false;
+    if (d->pdev_depth == 1) {
+        vals.foreground = qGray(d->cbrush.color().rgb()) > 127 ? 0 : 1;
+        vals.background = qGray(QColor(Qt::transparent).rgb()) > 127 ? 0 : 1;
+    } else if (X11->use_xrender && d->pdev->devType() == QInternal::Pixmap
+               && d->pdev_depth == 32) {
+        vals.foreground = d->cbrush.color().rgba();
+        vals.background = QColor(Qt::transparent).rgba();
+    } else {
+        QColormap cmap = QColormap::instance(d->scrn);
+        vals.foreground = cmap.pixel(d->cbrush.color());
+        vals.background = cmap.pixel(QColor(Qt::transparent));
+
+        if (!X11->use_xrender && d->has_brush && !d->has_pattern && !brush.isOpaque()) {
+            QPixmap pattern = qt_patternForAlpha(brush.color().alpha(), d->scrn);
+            mask |= GCStipple;
+            vals.stipple = pattern.handle();
+            s = FillStippled;
+            d->adapted_brush_origin = true;
+        }
+    }
+    vals.cap_style = CapButt;
+    vals.join_style = JoinMiter;
+    vals.line_style = LineSolid;
+
+    if (d->has_pattern || d->has_texture) {
+        if (bs == Qt::TexturePattern) {
+            d->brush_pm = qt_toX11Pixmap(d->cbrush.texture());
+#if !defined(QT_NO_XRENDER)
+            if (X11->use_xrender) {
+                XRenderPictureAttributes attrs;
+                attrs.repeat = true;
+                XRenderChangePicture(d->dpy, d->brush_pm.x11PictureHandle(), CPRepeat, &attrs);
+                QX11PixmapData *data = static_cast<QX11PixmapData*>(d->brush_pm.data.data());
+                if (data->mask_picture)
+                    XRenderChangePicture(d->dpy, data->mask_picture, CPRepeat, &attrs);
+            }
+#endif
+        } else {
+            d->brush_pm = qt_toX11Pixmap(qt_pixmapForBrush(bs, true));
+        }
+        d->brush_pm.x11SetScreen(d->scrn);
+        if (d->brush_pm.depth() == 1) {
+            mask |= GCStipple;
+            vals.stipple = d->brush_pm.handle();
+            s = FillStippled;
+#if !defined(QT_NO_XRENDER)
+            if (X11->use_xrender) {
+                d->bitmap_texture = QPixmap(d->brush_pm.size());
+                d->bitmap_texture.fill(Qt::transparent);
+                d->bitmap_texture = qt_toX11Pixmap(d->bitmap_texture);
+                d->bitmap_texture.x11SetScreen(d->scrn);
+
+                ::Picture src  = X11->getSolidFill(d->scrn, d->cbrush.color());
+                XRenderComposite(d->dpy, PictOpSrc, src, d->brush_pm.x11PictureHandle(),
+                                 d->bitmap_texture.x11PictureHandle(),
+                                 0, 0, d->brush_pm.width(), d->brush_pm.height(),
+                                 0, 0, d->brush_pm.width(), d->brush_pm.height());
+
+                XRenderPictureAttributes attrs;
+                attrs.repeat = true;
+                XRenderChangePicture(d->dpy, d->bitmap_texture.x11PictureHandle(), CPRepeat, &attrs);
+
+                d->current_brush = d->bitmap_texture.x11PictureHandle();
+            }
+#endif
+        } else {
+            mask |= GCTile;
+#ifndef QT_NO_XRENDER
+            if (d->pdev_depth == 32 && d->brush_pm.depth() != 32) {
+                d->brush_pm.detach();
+                QX11PixmapData *brushData = static_cast<QX11PixmapData*>(d->brush_pm.data.data());
+                brushData->convertToARGB32();
+            }
+#endif
+            vals.tile = (d->brush_pm.depth() == d->pdev_depth
+                         ? d->brush_pm.handle()
+                         : static_cast<QX11PixmapData*>(d->brush_pm.data.data())->x11ConvertToDefaultDepth());
+            s = FillTiled;
+#if !defined(QT_NO_XRENDER)
+            d->current_brush = d->cbrush.texture().x11PictureHandle();
+#endif
+        }
+
+        mask |= GCTileStipXOrigin | GCTileStipYOrigin;
+        vals.ts_x_origin = qRound(origin.x());
+        vals.ts_y_origin = qRound(origin.y());
+    }
+#if !defined(QT_NO_XRENDER)
+    else if (d->has_alpha_brush) {
+        d->current_brush = X11->getSolidFill(d->scrn, d->cbrush.color());
+    }
+#endif
+
+    vals.fill_style = s;
+    XChangeGC(d->dpy, d->gc_brush, mask, &vals);
+    if (!d->has_clipping) {
+        QRegion sysClip = systemClip();
+        if (!sysClip.isEmpty())
+            x11SetClipRegion(d->dpy, d->gc_brush, 0, d->picture, sysClip);
+        else
+            x11ClearClipRegion(d->dpy, d->gc_brush, 0, d->picture);
+    }
+}
+
+void QX11PaintEngine::drawEllipse(const QRectF &rect)
+{
+    QRect aligned = rect.toAlignedRect();
+    if (aligned == rect)
+        drawEllipse(aligned);
+    else
+        QPaintEngine::drawEllipse(rect);
+}
+
+void QX11PaintEngine::drawEllipse(const QRect &rect)
+{
+    Q_D(QX11PaintEngine);
+    QRect devclip(SHRT_MIN, SHRT_MIN, SHRT_MAX*2 - 1, SHRT_MAX*2 - 1);
+    QRect r(rect);
+    if (d->txop < QTransform::TxRotate) {
+        r = d->matrix.mapRect(rect);
+    } else if (d->txop == QTransform::TxRotate && rect.width() == rect.height()) {
+        QPainterPath path;
+        path.addEllipse(rect);
+        r = d->matrix.map(path).boundingRect().toRect();
+    }
+
+    if (d->has_alpha_brush || d->has_alpha_pen || d->has_custom_pen || (d->render_hints & QPainter::Antialiasing)
+        || d->has_alpha_texture || devclip.intersected(r) != r
+        || (d->has_complex_xform
+            && !(d->has_non_scaling_xform && rect.width() == rect.height())))
+    {
+        QPainterPath path;
+        path.addEllipse(rect);
+        drawPath(path);
+        return;
+    }
+
+    int x = r.x();
+    int y = r.y();
+    int w = r.width();
+    int h = r.height();
+    if (w < 1 || h < 1)
+        return;
+    if (w == 1 && h == 1) {
+        XDrawPoint(d->dpy, d->hd, d->has_pen ? d->gc : d->gc_brush, x, y);
+        return;
+    }
+    d->setupAdaptedOrigin(rect.topLeft());
+    if (d->has_brush) {             // draw filled ellipse
+        XFillArc(d->dpy, d->hd, d->gc_brush, x, y, w, h, 0, 360*64);
+        if (!d->has_pen)            // make smoother outline
+            XDrawArc(d->dpy, d->hd, d->gc_brush, x, y, w-1, h-1, 0, 360*64);
+    }
+    if (d->has_pen)                // draw outline
+        XDrawArc(d->dpy, d->hd, d->gc, x, y, w, h, 0, 360*64);
+    d->resetAdaptedOrigin();
+}
+
+
+
+void QX11PaintEnginePrivate::fillPolygon_translated(const QPointF *polygonPoints, int pointCount,
+                                                    QX11PaintEnginePrivate::GCMode gcMode,
+                                                    QPaintEngine::PolygonDrawMode mode)
+{
+
+    QVarLengthArray<QPointF> translated_points(pointCount);
+    QPointF offset(matrix.dx(), matrix.dy());
+
+    qreal offs = adjust_coords ? aliasedCoordinateDelta : 0.0;
+    if (!X11->use_xrender || !(render_hints & QPainter::Antialiasing))
+        offset += QPointF(aliasedCoordinateDelta, aliasedCoordinateDelta);
+
+    for (int i = 0; i < pointCount; ++i) {
+        translated_points[i] = polygonPoints[i] + offset;
+
+        translated_points[i].rx() = qRound(translated_points[i].x()) + offs;
+        translated_points[i].ry() = qRound(translated_points[i].y()) + offs;
+    }
+
+    fillPolygon_dev(translated_points.data(), pointCount, gcMode, mode);
+}
+
+#ifndef QT_NO_XRENDER
+static void qt_XRenderCompositeTrapezoids(Display *dpy,
+                                          int op,
+                                          Picture src,
+                                          Picture dst,
+                                          _Xconst XRenderPictFormat *maskFormat,
+                                          int xSrc,
+                                          int ySrc,
+                                          const XTrapezoid *traps, int size)
+{
+    const int MAX_TRAPS = 50000;
+    while (size) {
+        int to_draw = size;
+        if (to_draw > MAX_TRAPS)
+            to_draw = MAX_TRAPS;
+        XRenderCompositeTrapezoids(dpy, op, src, dst,
+                                   maskFormat,
+                                   xSrc, ySrc,
+                                   traps, to_draw);
+        size -= to_draw;
+        traps += to_draw;
+    }
+}
+#endif
+
+void QX11PaintEnginePrivate::fillPolygon_dev(const QPointF *polygonPoints, int pointCount,
+                                             QX11PaintEnginePrivate::GCMode gcMode,
+                                             QPaintEngine::PolygonDrawMode mode)
+{
+    Q_Q(QX11PaintEngine);
+
+    int clippedCount = 0;
+    qt_float_point *clippedPoints = 0;
+
+#ifndef QT_NO_XRENDER
+    //can change if we switch to pen if gcMode != BrushGC
+    bool has_fill_texture = has_texture;
+    bool has_fill_pattern = has_pattern;
+    ::Picture src;
+#endif
+    QBrush fill;
+    GC fill_gc;
+    if (gcMode == BrushGC) {
+        fill = cbrush;
+        fill_gc = gc_brush;
+#ifndef QT_NO_XRENDER
+        if (current_brush)
+            src = current_brush;
+        else
+            src = X11->getSolidFill(scrn, fill.color());
+#endif
+    } else {
+        fill = QBrush(cpen.brush());
+        fill_gc = gc;
+#ifndef QT_NO_XRENDER
+        //we use the pens brush
+        has_fill_texture = (fill.style() == Qt::TexturePattern);
+        has_fill_pattern = (fill.style() >= Qt::Dense1Pattern && fill.style() <= Qt::DiagCrossPattern);
+        if (has_fill_texture)
+            src = fill.texture().x11PictureHandle();
+        else if (has_fill_pattern)
+            src = getPatternFill(scrn, fill);
+        else
+            src = X11->getSolidFill(scrn, fill.color());
+#endif
+    }
+
+    polygonClipper.clipPolygon((qt_float_point *) polygonPoints, pointCount,
+                               &clippedPoints, &clippedCount);
+
+#ifndef QT_NO_XRENDER
+    bool solid_fill = fill.color().alpha() == 255;
+    if (has_fill_texture && fill.texture().depth() == 1 && solid_fill) {
+        has_fill_texture = false;
+        has_fill_pattern = true;
+    }
+
+    bool antialias = render_hints & QPainter::Antialiasing;
+
+    if (X11->use_xrender
+        && picture
+        && !has_fill_pattern
+        && (clippedCount > 0)
+        && (fill.style() != Qt::NoBrush)
+        && ((has_fill_texture && fill.texture().hasAlpha()) || antialias || !solid_fill || has_alpha_pen != has_alpha_brush))
+    {
+        QRect br = tessellator->tessellate((QPointF *)clippedPoints, clippedCount,
+                                              mode == QPaintEngine::WindingMode);
+        if (tessellator->size > 0) {
+            XRenderPictureAttributes attrs;
+            attrs.poly_edge = antialias ? PolyEdgeSmooth : PolyEdgeSharp;
+            XRenderChangePicture(dpy, picture, CPPolyEdge, &attrs);
+            int x_offset = int(XFixedToDouble(tessellator->traps[0].left.p1.x) - bg_origin.x());
+            int y_offset = int(XFixedToDouble(tessellator->traps[0].left.p1.y) - bg_origin.y());
+            qt_XRenderCompositeTrapezoids(dpy, composition_mode, src, picture,
+                                          antialias
+                                          ? XRenderFindStandardFormat(dpy, PictStandardA8)
+                                          : XRenderFindStandardFormat(dpy, PictStandardA1),
+                                          x_offset, y_offset,
+                                          tessellator->traps, tessellator->size);
+            tessellator->done();
+        }
+    } else
+#endif
+        if (fill.style() != Qt::NoBrush) {
+            if (clippedCount > 200000) {
+                QPolygon poly;
+                for (int i = 0; i < clippedCount; ++i)
+                    poly << QPoint(qFloor(clippedPoints[i].x), qFloor(clippedPoints[i].y));
+
+                const QRect bounds = poly.boundingRect();
+                const QRect aligned = bounds
+                    & QRect(QPoint(), QSize(pdev->width(), pdev->height()));
+
+                QImage img(aligned.size(), QImage::Format_ARGB32_Premultiplied);
+                img.fill(0);
+
+                QPainter painter(&img);
+                painter.translate(-aligned.x(), -aligned.y());
+                painter.setPen(Qt::NoPen);
+                painter.setBrush(fill);
+                if (gcMode == BrushGC)
+                    painter.setBrushOrigin(q->painter()->brushOrigin());
+                painter.drawPolygon(poly);
+                painter.end();
+
+                q->drawImage(aligned, img, img.rect(), Qt::AutoColor);
+            } else if (clippedCount > 0) {
+                QVarLengthArray<XPoint> xpoints(clippedCount);
+                for (int i = 0; i < clippedCount; ++i) {
+                    xpoints[i].x = qFloor(clippedPoints[i].x);
+                    xpoints[i].y = qFloor(clippedPoints[i].y);
+                }
+                if (mode == QPaintEngine::WindingMode)
+                    XSetFillRule(dpy, fill_gc, WindingRule);
+                setupAdaptedOrigin(QPoint(xpoints[0].x, xpoints[0].y));
+                XFillPolygon(dpy, hd, fill_gc,
+                             xpoints.data(), clippedCount,
+                             mode == QPaintEngine::ConvexMode ? Convex : Complex, CoordModeOrigin);
+                resetAdaptedOrigin();
+                if (mode == QPaintEngine::WindingMode)
+                    XSetFillRule(dpy, fill_gc, EvenOddRule);
+            }
+        }
+}
+
+void QX11PaintEnginePrivate::strokePolygon_translated(const QPointF *polygonPoints, int pointCount, bool close)
+{
+    QVarLengthArray<QPointF> translated_points(pointCount);
+    QPointF offset(matrix.dx(), matrix.dy());
+    for (int i = 0; i < pointCount; ++i)
+        translated_points[i] = polygonPoints[i] + offset;
+    strokePolygon_dev(translated_points.data(), pointCount, close);
+}
+
+void QX11PaintEnginePrivate::strokePolygon_dev(const QPointF *polygonPoints, int pointCount, bool close)
+{
+    int clippedCount = 0;
+    qt_float_point *clippedPoints = 0;
+    polygonClipper.clipPolygon((qt_float_point *) polygonPoints, pointCount,
+                               &clippedPoints, &clippedCount, close);
+
+    if (clippedCount > 0) {
+        QVarLengthArray<XPoint> xpoints(clippedCount);
+        for (int i = 0; i < clippedCount; ++i) {
+            xpoints[i].x = qRound(clippedPoints[i].x + aliasedCoordinateDelta);
+            xpoints[i].y = qRound(clippedPoints[i].y + aliasedCoordinateDelta);
+        }
+        uint numberPoints = qMin(clippedCount, xlibMaxLinePoints);
+        XPoint *pts = xpoints.data();
+        XDrawLines(dpy, hd, gc, pts, numberPoints, CoordModeOrigin);
+        pts += numberPoints;
+        clippedCount -= numberPoints;
+        numberPoints = qMin(clippedCount, xlibMaxLinePoints-1);
+        while (clippedCount) {
+            XDrawLines(dpy, hd, gc, pts-1, numberPoints+1, CoordModeOrigin);
+            pts += numberPoints;
+            clippedCount -= numberPoints;
+            numberPoints = qMin(clippedCount, xlibMaxLinePoints-1);
+        }
+    }
+}
+
+void QX11PaintEngine::drawPolygon(const QPointF *polygonPoints, int pointCount, PolygonDrawMode mode)
+{
+    Q_D(QX11PaintEngine);
+    if (d->use_path_fallback) {
+        QPainterPath path(polygonPoints[0]);
+        for (int i = 1; i < pointCount; ++i)
+            path.lineTo(polygonPoints[i]);
+        if (mode == PolylineMode) {
+            QBrush oldBrush = d->cbrush;
+            d->cbrush = QBrush(Qt::NoBrush);
+            path.setFillRule(Qt::WindingFill);
+            drawPath(path);
+            d->cbrush = oldBrush;
+        } else {
+            path.setFillRule(mode == OddEvenMode ? Qt::OddEvenFill : Qt::WindingFill);
+            path.closeSubpath();
+            drawPath(path);
+        }
+        return;
+    }
+    if (mode != PolylineMode && d->has_brush)
+        d->fillPolygon_translated(polygonPoints, pointCount, QX11PaintEnginePrivate::BrushGC, mode);
+
+    if (d->has_pen)
+        d->strokePolygon_translated(polygonPoints, pointCount, mode != PolylineMode);
+}
+
+
+void QX11PaintEnginePrivate::fillPath(const QPainterPath &path, QX11PaintEnginePrivate::GCMode gc_mode, bool transform)
+{
+    qreal offs = adjust_coords ? aliasedCoordinateDelta : 0.0;
+
+    QPainterPath clippedPath;
+    QPainterPath clipPath;
+    clipPath.addRect(polygonClipper.boundingRect());
+
+    if (transform)
+         clippedPath = (path*matrix).intersected(clipPath);
+    else
+        clippedPath = path.intersected(clipPath);
+
+    QList<QPolygonF> polys = clippedPath.toFillPolygons();
+    for (int i = 0; i < polys.size(); ++i) {
+        QVarLengthArray<QPointF> translated_points(polys.at(i).size());
+
+        for (int j = 0; j < polys.at(i).size(); ++j) {
+            translated_points[j] = polys.at(i).at(j);
+            if (!X11->use_xrender || !(render_hints & QPainter::Antialiasing)) {
+                translated_points[j].rx() = qRound(translated_points[j].rx() + aliasedCoordinateDelta) + offs;
+                translated_points[j].ry() = qRound(translated_points[j].ry() + aliasedCoordinateDelta) + offs;
+            }
+        }
+
+        fillPolygon_dev(translated_points.data(), polys.at(i).size(), gc_mode,
+                        path.fillRule() == Qt::OddEvenFill ? QPaintEngine::OddEvenMode : QPaintEngine::WindingMode);
+    }
+}
+
+void QX11PaintEngine::drawPath(const QPainterPath &path)
+{
+    Q_D(QX11PaintEngine);
+    if (path.isEmpty())
+        return;
+    QTransform old_matrix = d->matrix;
+
+    if (d->has_brush)
+        d->fillPath(path, QX11PaintEnginePrivate::BrushGC, true);
+    if (d->has_pen
+        && ((X11->use_xrender && (d->has_alpha_pen || (d->render_hints & QPainter::Antialiasing)))
+            || (!d->cpen.isCosmetic() && d->txop > QTransform::TxTranslate
+                && !d->has_non_scaling_xform)
+            || (d->cpen.style() == Qt::CustomDashLine))) {
+        QPainterPathStroker stroker;
+        if (d->cpen.style() == Qt::CustomDashLine) {
+            stroker.setDashPattern(d->cpen.dashPattern());
+            stroker.setDashOffset(d->cpen.dashOffset());
+        } else {
+            stroker.setDashPattern(d->cpen.style());
+        }
+        stroker.setCapStyle(d->cpen.capStyle());
+        stroker.setJoinStyle(d->cpen.joinStyle());
+        QPainterPath stroke;
+        qreal width = d->cpen.widthF();
+        QPolygonF poly;
+        QRectF deviceRect(0, 0, d->pdev->width(), d->pdev->height());
+        // necessary to get aliased alphablended primitives to be drawn correctly
+        if (d->cpen.isCosmetic() || d->has_scaling_xform) {
+            if (d->cpen.isCosmetic())
+                stroker.setWidth(width == 0 ? 1 : width);
+            else
+                stroker.setWidth(width * d->xform_scale);
+            stroker.d_ptr->stroker.setClipRect(deviceRect);
+            stroke = stroker.createStroke(path * d->matrix);
+            if (stroke.isEmpty())
+                return;
+            stroke.setFillRule(Qt::WindingFill);
+            d->fillPath(stroke, QX11PaintEnginePrivate::PenGC, false);
+        } else {
+            stroker.setWidth(width);
+            stroker.d_ptr->stroker.setClipRect(d->matrix.inverted().mapRect(deviceRect));
+            stroke = stroker.createStroke(path);
+            if (stroke.isEmpty())
+                return;
+            stroke.setFillRule(Qt::WindingFill);
+            d->fillPath(stroke, QX11PaintEnginePrivate::PenGC, true);
+        }
+    } else if (d->has_pen) {
+        // if we have a cosmetic pen - use XDrawLine() for speed
+        QList<QPolygonF> polys = path.toSubpathPolygons(d->matrix);
+        for (int i = 0; i < polys.size(); ++i)
+            d->strokePolygon_dev(polys.at(i).data(), polys.at(i).size(), false);
+    }
+}
+
+Q_GUI_EXPORT void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image,
+                                   Drawable hd, GC gc, Display *dpy, Visual *visual, int depth)
+{
+    Q_ASSERT(image.format() == QImage::Format_RGB32);
+    Q_ASSERT(image.depth() == 32);
+
+    XImage *xi;
+    // Note: this code assumes either RGB or BGR, 8 bpc server layouts
+    const uint red_mask = (uint) visual->red_mask;
+    bool bgr_layout = (red_mask == 0xff);
+
+    const int w = rect.width();
+    const int h = rect.height();
+
+    QImage im;
+    int image_byte_order = ImageByteOrder(X11->display);
+    if ((QSysInfo::ByteOrder == QSysInfo::BigEndian && ((image_byte_order == LSBFirst) || bgr_layout))
+        || (image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian)
+        || (image_byte_order == LSBFirst && bgr_layout))
+    {
+        im = image.copy(rect);
+        const int iw = im.bytesPerLine() / 4;
+        uint *data = (uint *)im.bits();
+        for (int i=0; i < h; i++) {
+            uint *p = data;
+            uint *end = p + w;
+            if (bgr_layout && image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian) {
+                while (p < end) {
+                    *p = ((*p << 8) & 0xffffff00) | ((*p >> 24) & 0x000000ff);
+                    p++;
+                }
+            } else if ((image_byte_order == LSBFirst && QSysInfo::ByteOrder == QSysInfo::BigEndian)
+                    || (image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian)) {
+                while (p < end) {
+                    *p = ((*p << 24) & 0xff000000) | ((*p << 8) & 0x00ff0000)
+                        | ((*p >> 8) & 0x0000ff00) | ((*p >> 24) & 0x000000ff);
+                    p++;
+                }
+            } else if ((image_byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::BigEndian)
+                       || (image_byte_order == LSBFirst && bgr_layout))
+            {
+                while (p < end) {
+                    *p = ((*p << 16) & 0x00ff0000) | ((*p >> 16) & 0x000000ff)
+                        | ((*p ) & 0xff00ff00);
+                    p++;
+                }
+            }
+            data += iw;
+        }
+        xi = XCreateImage(dpy, visual, depth, ZPixmap,
+                          0, (char *) im.bits(), w, h, 32, im.bytesPerLine());
+    } else {
+        xi = XCreateImage(dpy, visual, depth, ZPixmap,
+                          0, (char *) image.scanLine(rect.y())+rect.x()*sizeof(uint), w, h, 32, image.bytesPerLine());
+    }
+    XPutImage(dpy, hd, gc, xi, 0, 0, pos.x(), pos.y(), w, h);
+    xi->data = 0; // QImage owns these bits
+    XDestroyImage(xi);
+}
+
+void QX11PaintEngine::drawImage(const QRectF &r, const QImage &image, const QRectF &sr, Qt::ImageConversionFlags flags)
+{
+    Q_D(QX11PaintEngine);
+
+    if (image.format() == QImage::Format_RGB32
+        && d->pdev_depth >= 24 && image.depth() == 32
+        && r.size() == sr.size())
+    {
+        int sx = qRound(sr.x());
+        int sy = qRound(sr.y());
+        int x = qRound(r.x());
+        int y = qRound(r.y());
+        int w = qRound(r.width());
+        int h = qRound(r.height());
+
+        qt_x11_drawImage(QRect(sx, sy, w, h), QPoint(x, y), image, d->hd, d->gc, d->dpy,
+                         (Visual *)d->xinfo->visual(), d->pdev_depth);
+    } else {
+        QPaintEngine::drawImage(r, image, sr, flags);
+    }
+}
+
+void QX11PaintEngine::drawPixmap(const QRectF &r, const QPixmap &px, const QRectF &_sr)
+{
+    Q_D(QX11PaintEngine);
+    QRectF sr = _sr;
+    int x = qRound(r.x());
+    int y = qRound(r.y());
+    int sx = qRound(sr.x());
+    int sy = qRound(sr.y());
+    int sw = qRound(sr.width());
+    int sh = qRound(sr.height());
+
+    QPixmap pixmap = qt_toX11Pixmap(px);
+
+    if ((d->xinfo && d->xinfo->screen() != pixmap.x11Info().screen())
+        || (pixmap.x11Info().screen() != DefaultScreen(X11->display))) {
+        QPixmap* p = const_cast<QPixmap *>(&pixmap);
+        p->x11SetScreen(d->xinfo ? d->xinfo->screen() : DefaultScreen(X11->display));
+    }
+
+    QPixmap::x11SetDefaultScreen(pixmap.x11Info().screen());
+
+#ifndef QT_NO_XRENDER
+    ::Picture src_pict = static_cast<QX11PixmapData*>(pixmap.data.data())->picture;
+    if (src_pict && d->picture) {
+        const int pDepth = pixmap.depth();
+        if (pDepth == 1 && (d->has_alpha_pen)) {
+            qt_render_bitmap(d->dpy, d->scrn, src_pict, d->picture,
+                             sx, sy, x, y, sw, sh, d->cpen);
+            return;
+        } else if (pDepth != 1 && (pDepth == 32 || pDepth != d->pdev_depth)) {
+            XRenderComposite(d->dpy, d->composition_mode,
+                             src_pict, 0, d->picture, sx, sy, 0, 0, x, y, sw, sh);
+            return;
+        }
+    }
+#endif
+
+    bool mono_src = pixmap.depth() == 1;
+    bool mono_dst = d->pdev_depth == 1;
+    bool restore_clip = false;
+
+    if (static_cast<QX11PixmapData*>(pixmap.data.data())->x11_mask) { // pixmap has a mask
+        QBitmap comb(sw, sh);
+        GC cgc = XCreateGC(d->dpy, comb.handle(), 0, 0);
+        XSetForeground(d->dpy, cgc, 0);
+        XFillRectangle(d->dpy, comb.handle(), cgc, 0, 0, sw, sh);
+        XSetBackground(d->dpy, cgc, 0);
+        XSetForeground(d->dpy, cgc, 1);
+        if (!d->crgn.isEmpty()) {
+            int num;
+            XRectangle *rects = (XRectangle *)qt_getClipRects(d->crgn, num);
+            XSetClipRectangles(d->dpy, cgc, -x, -y, rects, num, Unsorted);
+        } else if (d->has_clipping) {
+            XSetClipRectangles(d->dpy, cgc, 0, 0, 0, 0, Unsorted);
+        }
+        XSetFillStyle(d->dpy, cgc, FillOpaqueStippled);
+        XSetTSOrigin(d->dpy, cgc, -sx, -sy);
+        XSetStipple(d->dpy, cgc,
+                    static_cast<QX11PixmapData*>(pixmap.data.data())->x11_mask);
+        XFillRectangle(d->dpy, comb.handle(), cgc, 0, 0, sw, sh);
+        XFreeGC(d->dpy, cgc);
+
+        XSetClipOrigin(d->dpy, d->gc, x, y);
+        XSetClipMask(d->dpy, d->gc, comb.handle());
+        restore_clip = true;
+    }
+
+    if (mono_src) {
+        if (!d->crgn.isEmpty()) {
+            Pixmap comb = XCreatePixmap(d->dpy, d->hd, sw, sh, 1);
+            GC cgc = XCreateGC(d->dpy, comb, 0, 0);
+            XSetForeground(d->dpy, cgc, 0);
+            XFillRectangle(d->dpy, comb, cgc, 0, 0, sw, sh);
+            int num;
+            XRectangle *rects = (XRectangle *)qt_getClipRects(d->crgn, num);
+            XSetClipRectangles(d->dpy, cgc, -x, -y, rects, num, Unsorted);
+            XCopyArea(d->dpy, pixmap.handle(), comb, cgc, sx, sy, sw, sh, 0, 0);
+            XFreeGC(d->dpy, cgc);
+
+            XSetClipMask(d->dpy, d->gc, comb);
+            XSetClipOrigin(d->dpy, d->gc, x, y);
+            XFreePixmap(d->dpy, comb);
+        } else {
+            XSetClipMask(d->dpy, d->gc, pixmap.handle());
+            XSetClipOrigin(d->dpy, d->gc, x - sx, y - sy);
+        }
+
+        if (mono_dst) {
+            XSetForeground(d->dpy, d->gc, qGray(d->cpen.color().rgb()) > 127 ? 0 : 1);
+        } else {
+            QColormap cmap = QColormap::instance(d->scrn);
+            XSetForeground(d->dpy, d->gc, cmap.pixel(d->cpen.color()));
+        }
+        XFillRectangle(d->dpy, d->hd, d->gc, x, y, sw, sh);
+        restore_clip = true;
+    } else {
+        XCopyArea(d->dpy, pixmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y);
+    }
+
+    if (d->pdev->devType() == QInternal::Pixmap) {
+        const QPixmap *px = static_cast<const QPixmap*>(d->pdev);
+        Pixmap src_mask = static_cast<QX11PixmapData*>(pixmap.data.data())->x11_mask;
+        Pixmap dst_mask = static_cast<QX11PixmapData*>(px->data.data())->x11_mask;
+        if (dst_mask) {
+            GC cgc = XCreateGC(d->dpy, dst_mask, 0, 0);
+            if (src_mask) { // copy src mask into dst mask
+                XCopyArea(d->dpy, src_mask, dst_mask, cgc, sx, sy, sw, sh, x, y);
+            } else { // no src mask, but make sure the area copied is opaque in dest
+                XSetBackground(d->dpy, cgc, 0);
+                XSetForeground(d->dpy, cgc, 1);
+                XFillRectangle(d->dpy, dst_mask, cgc, x, y, sw, sh);
+            }
+            XFreeGC(d->dpy, cgc);
+        }
+    }
+
+    if (restore_clip) {
+        XSetClipOrigin(d->dpy, d->gc, 0, 0);
+        int num;
+        XRectangle *rects = (XRectangle *)qt_getClipRects(d->crgn, num);
+        if (num == 0)
+            XSetClipMask(d->dpy, d->gc, XNone);
+        else
+            XSetClipRectangles(d->dpy, d->gc, 0, 0, rects, num, Unsorted);
+    }
+}
+
+void QX11PaintEngine::updateMatrix(const QTransform &mtx)
+{
+    Q_D(QX11PaintEngine);
+    d->txop = mtx.type();
+    d->matrix = mtx;
+
+    d->has_complex_xform = (d->txop > QTransform::TxTranslate);
+
+    extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale);
+    bool scaling = qt_scaleForTransform(d->matrix, &d->xform_scale);
+    d->has_scaling_xform = scaling && d->xform_scale != 1.0;
+    d->has_non_scaling_xform = scaling && d->xform_scale == 1.0;
+}
+
+/*
+   NB! the clip region is expected to be in dev coordinates
+*/
+void QX11PaintEngine::updateClipRegion_dev(const QRegion &clipRegion, Qt::ClipOperation op)
+{
+    Q_D(QX11PaintEngine);
+    QRegion sysClip = systemClip();
+    if (op == Qt::NoClip) {
+        d->has_clipping = false;
+        d->crgn = sysClip;
+        if (!sysClip.isEmpty()) {
+            x11SetClipRegion(d->dpy, d->gc, d->gc_brush, d->picture, sysClip);
+        } else {
+            x11ClearClipRegion(d->dpy, d->gc, d->gc_brush, d->picture);
+        }
+        return;
+    }
+
+    switch (op) {
+    case Qt::IntersectClip:
+        if (d->has_clipping) {
+            d->crgn &= clipRegion;
+            break;
+        }
+        // fall through
+    case Qt::ReplaceClip:
+        if (!sysClip.isEmpty())
+            d->crgn = clipRegion.intersected(sysClip);
+        else
+            d->crgn = clipRegion;
+        break;
+    case Qt::UniteClip:
+        d->crgn |= clipRegion;
+        if (!sysClip.isEmpty())
+            d->crgn = d->crgn.intersected(sysClip);
+        break;
+    default:
+        break;
+    }
+    d->has_clipping = true;
+    x11SetClipRegion(d->dpy, d->gc, d->gc_brush, d->picture, d->crgn);
+}
+
+void QX11PaintEngine::updateFont(const QFont &)
+{
+}
+
+Qt::HANDLE QX11PaintEngine::handle() const
+{
+    Q_D(const QX11PaintEngine);
+    Q_ASSERT(isActive());
+    Q_ASSERT(d->hd);
+    return d->hd;
+}
+
+extern void qt_draw_tile(QPaintEngine *, qreal, qreal, qreal, qreal, const QPixmap &,
+                         qreal, qreal);
+
+void QX11PaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &p)
+{
+    int x = qRound(r.x());
+    int y = qRound(r.y());
+    int w = qRound(r.width());
+    int h = qRound(r.height());
+    int sx = qRound(p.x());
+    int sy = qRound(p.y());
+
+    bool mono_src = pixmap.depth() == 1;
+    Q_D(QX11PaintEngine);
+
+    if ((d->xinfo && d->xinfo->screen() != pixmap.x11Info().screen())
+        || (pixmap.x11Info().screen() != DefaultScreen(X11->display))) {
+        QPixmap* p = const_cast<QPixmap *>(&pixmap);
+        p->x11SetScreen(d->xinfo ? d->xinfo->screen() : DefaultScreen(X11->display));
+    }
+
+    QPixmap::x11SetDefaultScreen(pixmap.x11Info().screen());
+
+#ifndef QT_NO_XRENDER
+    if (X11->use_xrender && d->picture && pixmap.x11PictureHandle()) {
+#if 0
+        // ### Qt 5: enable this
+        XRenderPictureAttributes attrs;
+        attrs.repeat = true;
+        XRenderChangePicture(d->dpy, pixmap.x11PictureHandle(), CPRepeat, &attrs);
+
+        if (mono_src) {
+            qt_render_bitmap(d->dpy, d->scrn, pixmap.x11PictureHandle(), d->picture,
+                             sx, sy, x, y, w, h, d->cpen);
+        } else {
+            XRenderComposite(d->dpy, d->composition_mode,
+                             pixmap.x11PictureHandle(), XNone, d->picture,
+                             sx, sy, 0, 0, x, y, w, h);
+        }
+#else
+        const int numTiles = (w / pixmap.width()) * (h / pixmap.height());
+        if (numTiles < 100) {
+            // this is essentially qt_draw_tile(), inlined for
+            // the XRenderComposite call
+            int yPos, xPos, drawH, drawW, yOff, xOff;
+            yPos = y;
+            yOff = sy;
+            while(yPos < y + h) {
+                drawH = pixmap.height() - yOff;    // Cropping first row
+                if (yPos + drawH > y + h)        // Cropping last row
+                    drawH = y + h - yPos;
+                xPos = x;
+                xOff = sx;
+                while(xPos < x + w) {
+                    drawW = pixmap.width() - xOff; // Cropping first column
+                    if (xPos + drawW > x + w)    // Cropping last column
+                        drawW = x + w - xPos;
+                    if (mono_src) {
+                        qt_render_bitmap(d->dpy, d->scrn, pixmap.x11PictureHandle(), d->picture,
+                                         xOff, yOff, xPos, yPos, drawW, drawH, d->cpen);
+                    } else {
+                        XRenderComposite(d->dpy, d->composition_mode,
+                                         pixmap.x11PictureHandle(), XNone, d->picture,
+                                         xOff, yOff, 0, 0, xPos, yPos, drawW, drawH);
+                    }
+                    xPos += drawW;
+                    xOff = 0;
+                }
+                yPos += drawH;
+                yOff = 0;
+            }
+        } else {
+            w = qMin(w, d->pdev->width() - x);
+            h = qMin(h, d->pdev->height() - y);
+            if (w <= 0 || h <= 0)
+                return;
+
+            const int pw = w + sx;
+            const int ph = h + sy;
+            QPixmap pm(pw, ph);
+            if (pixmap.hasAlpha() || mono_src)
+                pm.fill(Qt::transparent);
+
+            const int mode = pixmap.hasAlpha() ? PictOpOver : PictOpSrc;
+            const ::Picture pmPicture = pm.x11PictureHandle();
+
+            // first tile
+            XRenderComposite(d->dpy, mode,
+                             pixmap.x11PictureHandle(), XNone, pmPicture,
+                             0, 0, 0, 0, 0, 0, qMin(pw, pixmap.width()), qMin(ph, pixmap.height()));
+
+            // first row of tiles
+            int xPos = pixmap.width();
+            const int sh = qMin(ph, pixmap.height());
+            while (xPos < pw) {
+                const int sw = qMin(xPos, pw - xPos);
+                XRenderComposite(d->dpy, mode,
+                                 pmPicture, XNone, pmPicture,
+                                 0, 0, 0, 0, xPos, 0, sw, sh);
+                xPos *= 2;
+            }
+
+            // remaining rows
+            int yPos = pixmap.height();
+            const int sw = pw;
+            while (yPos < ph) {
+                const int sh = qMin(yPos, ph - yPos);
+                XRenderComposite(d->dpy, mode,
+                                 pmPicture, XNone, pmPicture,
+                                 0, 0, 0, 0, 0, yPos, sw, sh);
+                yPos *= 2;
+            }
+
+            // composite
+            if (mono_src)
+                qt_render_bitmap(d->dpy, d->scrn, pmPicture, d->picture,
+                                 sx, sy, x, y, w, h, d->cpen);
+            else
+                XRenderComposite(d->dpy, d->composition_mode,
+                                 pmPicture, XNone, d->picture,
+                                 sx, sy, 0, 0, x, y, w, h);
+        }
+#endif
+    } else
+#endif // !QT_NO_XRENDER
+        if (pixmap.depth() > 1 && !static_cast<QX11PixmapData*>(pixmap.data.data())->x11_mask) {
+            XSetTile(d->dpy, d->gc, pixmap.handle());
+            XSetFillStyle(d->dpy, d->gc, FillTiled);
+            XSetTSOrigin(d->dpy, d->gc, x-sx, y-sy);
+            XFillRectangle(d->dpy, d->hd, d->gc, x, y, w, h);
+            XSetTSOrigin(d->dpy, d->gc, 0, 0);
+            XSetFillStyle(d->dpy, d->gc, FillSolid);
+        } else {
+            qt_draw_tile(this, x, y, w, h, pixmap, sx, sy);
+        }
+}
+
+void QX11PaintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem)
+{
+    const QTextItemInt &ti = static_cast<const QTextItemInt &>(textItem);
+
+    switch(ti.fontEngine->type()) {
+    case QFontEngine::TestFontEngine:
+    case QFontEngine::Box:
+        d_func()->drawBoxTextItem(p, ti);
+        break;
+    case QFontEngine::XLFD:
+        drawXLFD(p, ti);
+        break;
+#ifndef QT_NO_FONTCONFIG
+    case QFontEngine::Freetype:
+        drawFreetype(p, ti);
+        break;
+#endif
+    default:
+        Q_ASSERT(false);
+    }
+}
+
+void QX11PaintEngine::drawXLFD(const QPointF &p, const QTextItemInt &ti)
+{
+    Q_D(QX11PaintEngine);
+
+    if (d->txop > QTransform::TxTranslate) {
+        // XServer or font don't support server side transformations, need to do it by hand
+        QPaintEngine::drawTextItem(p, ti);
+        return;
+    }
+
+    if (!ti.glyphs.numGlyphs)
+        return;
+
+    QVarLengthArray<QFixedPoint> positions;
+    QVarLengthArray<glyph_t> glyphs;
+    QTransform matrix = d->matrix;
+    matrix.translate(p.x(), p.y());
+    ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
+    if (glyphs.size() == 0)
+        return;
+
+    QFontEngineXLFD *xlfd = static_cast<QFontEngineXLFD *>(ti.fontEngine);
+    Qt::HANDLE font_id = xlfd->fontStruct()->fid;
+
+    XSetFont(d->dpy, d->gc, font_id);
+
+    const QFixed offs = QFixed::fromReal(aliasedCoordinateDelta);
+    for (int i = 0; i < glyphs.size(); i++) {
+        int xp = qRound(positions[i].x + offs);
+        int yp = qRound(positions[i].y + offs);
+        if (xp < SHRT_MAX && xp > SHRT_MIN &&  yp > SHRT_MIN && yp < SHRT_MAX) {
+            XChar2b ch;
+            ch.byte1 = glyphs[i] >> 8;
+            ch.byte2 = glyphs[i] & 0xff;
+            XDrawString16(d->dpy, d->hd, d->gc, xp, yp, &ch, 1);
+        }
+    }
+}
+
+#ifndef QT_NO_FONTCONFIG
+static QPainterPath path_for_glyphs(const QVarLengthArray<glyph_t> &glyphs,
+                                    const QVarLengthArray<QFixedPoint> &positions,
+                                    const QFontEngineFT *ft)
+{
+    QPainterPath path;
+    path.setFillRule(Qt::WindingFill);
+    ft->lockFace();
+    int i = 0;
+    while (i < glyphs.size()) {
+        QFontEngineFT::Glyph *glyph = ft->loadGlyph(glyphs[i], QFontEngineFT::Format_Mono);
+        // #### fix case where we don't get a glyph
+        if (!glyph)
+            break;
+
+        Q_ASSERT(glyph->format == QFontEngineFT::Format_Mono);
+        int n = 0;
+        int h = glyph->height;
+        int xp = qRound(positions[i].x);
+        int yp = qRound(positions[i].y);
+
+        xp += glyph->x;
+        yp += -glyph->y + glyph->height;
+        int pitch = ((glyph->width + 31) & ~31) >> 3;
+
+        uchar *src = glyph->data;
+        while (h--) {
+            for (int x = 0; x < glyph->width; ++x) {
+                bool set = src[x >> 3] & (0x80 >> (x & 7));
+                if (set) {
+                    QRect r(xp + x, yp - h, 1, 1);
+                    while (x < glyph->width-1 && src[(x+1) >> 3] & (0x80 >> ((x+1) & 7))) {
+                        ++x;
+                        r.setRight(r.right()+1);
+                    }
+
+                    path.addRect(r);
+                    ++n;
+                }
+            }
+            src += pitch;
+        }
+        ++i;
+    }
+    ft->unlockFace();
+    return path;
+}
+
+void QX11PaintEngine::drawFreetype(const QPointF &p, const QTextItemInt &ti)
+{
+    Q_D(QX11PaintEngine);
+    if (!ti.glyphs.numGlyphs)
+        return;
+
+    QFontEngineX11FT *ft = static_cast<QFontEngineX11FT *>(ti.fontEngine);
+
+    if (!d->cpen.isSolid()) {
+        QPaintEngine::drawTextItem(p, ti);
+        return;
+    }
+
+    const bool xrenderPath = (X11->use_xrender
+                              && !(d->pdev->devType() == QInternal::Pixmap
+                                   && static_cast<const QPixmap *>(d->pdev)->data->pixelType() == QPixmapData::BitmapType));
+
+    QVarLengthArray<QFixedPoint> positions;
+    QVarLengthArray<glyph_t> glyphs;
+    QTransform matrix;
+
+    if (xrenderPath)
+        matrix = d->matrix;
+    matrix.translate(p.x(), p.y());
+    ft->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
+    if (glyphs.count() == 0)
+        return;
+
+#ifndef QT_NO_XRENDER
+    QFontEngineFT::QGlyphSet *set = ft->defaultGlyphs();
+    if (d->txop >= QTransform::TxScale && xrenderPath)
+        set = ft->loadTransformedGlyphSet(d->matrix);
+
+    if (!set || set->outline_drawing
+        || !ft->loadGlyphs(set, glyphs.data(), glyphs.size(), QFontEngineFT::Format_Render))
+    {
+        QPaintEngine::drawTextItem(p, ti);
+        return;
+    }
+
+    if (xrenderPath) {
+        GlyphSet glyphSet = set->id;
+        const QColor &pen = d->cpen.color();
+        ::Picture src = X11->getSolidFill(d->scrn, pen);
+        XRenderPictFormat *maskFormat = 0;
+        if (ft->xglyph_format != PictStandardA1)
+            maskFormat = XRenderFindStandardFormat(X11->display, ft->xglyph_format);
+
+        enum { t_min = SHRT_MIN, t_max = SHRT_MAX };
+
+        int i = 0;
+        for (; i < glyphs.size()
+                 && (positions[i].x < t_min || positions[i].x > t_max
+                     || positions[i].y < t_min || positions[i].y > t_max);
+             ++i)
+            ;
+
+        if (i >= glyphs.size())
+            return;
+        ++i;
+
+        QFixed xp = positions[i - 1].x;
+        QFixed yp = positions[i - 1].y;
+        QFixed offs = QFixed::fromReal(aliasedCoordinateDelta);
+
+        XGlyphElt32 elt;
+        elt.glyphset = glyphSet;
+        elt.chars = &glyphs[i - 1];
+        elt.nchars = 1;
+        elt.xOff = qRound(xp + offs);
+        elt.yOff = qRound(yp + offs);
+        for (; i < glyphs.size(); ++i) {
+            if (positions[i].x < t_min || positions[i].x > t_max
+                || positions[i].y < t_min || positions[i].y > t_max) {
+                break;
+            }
+            QFontEngineFT::Glyph *g = ft->cachedGlyph(glyphs[i - 1]);
+            if (g
+                && positions[i].x == xp + g->advance
+                && positions[i].y == yp
+                && elt.nchars < 253 // don't draw more than 253 characters as some X servers
+                                    // hang with it
+                ) {
+                elt.nchars++;
+                xp += g->advance;
+            } else {
+                xp = positions[i].x;
+                yp = positions[i].y;
+
+                XRenderCompositeText32(X11->display, PictOpOver, src, d->picture,
+                                       maskFormat, 0, 0, 0, 0,
+                                       &elt, 1);
+                elt.chars = &glyphs[i];
+                elt.nchars = 1;
+                elt.xOff = qRound(xp + offs);
+                elt.yOff = qRound(yp + offs);
+            }
+        }
+        XRenderCompositeText32(X11->display, PictOpOver, src, d->picture,
+                               maskFormat, 0, 0, 0, 0,
+                               &elt, 1);
+
+        return;
+
+    }
+#endif
+
+    QPainterPath path = path_for_glyphs(glyphs, positions, ft);
+    if (path.elementCount() <= 1)
+        return;
+    Q_ASSERT((path.elementCount() % 5) == 0);
+    if (d->txop >= QTransform::TxScale) {
+        painter()->save();
+        painter()->setBrush(d->cpen.brush());
+        painter()->setPen(Qt::NoPen);
+        painter()->drawPath(path);
+        painter()->restore();
+        return;
+    }
+
+    const int rectcount = 256;
+    XRectangle rects[rectcount];
+    int num_rects = 0;
+
+    QPoint delta(qRound(d->matrix.dx()), qRound(d->matrix.dy()));
+    QRect clip(d->polygonClipper.boundingRect());
+    for (int i=0; i < path.elementCount(); i+=5) {
+        int x = qRound(path.elementAt(i).x);
+        int y = qRound(path.elementAt(i).y);
+        int w = qRound(path.elementAt(i+1).x) - x;
+        int h = qRound(path.elementAt(i+2).y) - y;
+
+        QRect rect = QRect(x + delta.x(), y + delta.y(), w, h);
+        rect = rect.intersected(clip);
+        if (rect.isEmpty())
+            continue;
+
+        rects[num_rects].x = short(rect.x());
+        rects[num_rects].y = short(rect.y());
+        rects[num_rects].width = ushort(rect.width());
+        rects[num_rects].height = ushort(rect.height());
+        ++num_rects;
+        if (num_rects == rectcount) {
+            XFillRectangles(d->dpy, d->hd, d->gc, rects, num_rects);
+            num_rects = 0;
+        }
+    }
+    if (num_rects > 0)
+        XFillRectangles(d->dpy, d->hd, d->gc, rects, num_rects);
+
+}
+#endif // !QT_NO_XRENDER
+
+QT_END_NAMESPACE