Merge remote branch 'origin/4.6' into bearermanagement/integration

Conflicts:
	src/s60installs/s60installs.pro

11 files changed, 94 insertions, 62 deletions

diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 194dda3..7a3da20 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -1267,32 +1267,28 @@ static const uint L2CacheLineLengthInInts = L2CacheLineLength/sizeof(uint);
   result = 0
   d = d * cia
 */
+#define comp_func_Clear_impl(dest, length, const_alpha)\
+{\
+    if (const_alpha == 255) {\
+        QT_MEMFILL_UINT(dest, length, 0);\
+    } else {\
+        int ialpha = 255 - const_alpha;\
+        PRELOAD_INIT(dest)\
+        for (int i = 0; i < length; ++i) {\
+            PRELOAD_COND(dest)\
+            dest[i] = BYTE_MUL(dest[i], ialpha);\
+        }\
+    }\
+}
+
 static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
 {
-    if (const_alpha == 255) {
-        QT_MEMFILL_UINT(dest, length, 0);
-    } else {
-        int ialpha = 255 - const_alpha;
-        PRELOAD_INIT(dest)
-        for (int i = 0; i < length; ++i) {
-            PRELOAD_COND(dest)
-            dest[i] = BYTE_MUL(dest[i], ialpha);
-        }
-    }
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 static void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha)
 {
-    if (const_alpha == 255) {
-        QT_MEMFILL_UINT(dest, length, 0);
-    } else {
-        int ialpha = 255 - const_alpha;
-        PRELOAD_INIT(dest)
-        for (int i = 0; i < length; ++i) {
-            PRELOAD_COND(dest)
-            dest[i] = BYTE_MUL(dest[i], ialpha);
-        }
-    }
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 /*
@@ -2408,7 +2404,11 @@ static inline int soft_light_op(int dst, int src, int da, int sa)
     else if (4 * dst <= da)
         return (dst * sa * 255 + da * (src2 - sa) * ((((16 * dst_np - 12 * 255) * dst_np + 3 * 65025) * dst_np) / 65025) + temp) / 65025;
     else {
+#   ifdef Q_CC_RVCT // needed to avoid compiler crash in RVCT 2.2
+        return (dst * sa * 255 + da * (src2 - sa) * (qIntSqrtInt(dst_np * 255) - dst_np) + temp) / 65025;
+#   else
         return (dst * sa * 255 + da * (src2 - sa) * (int(sqrt(qreal(dst_np * 255))) - dst_np) + temp) / 65025;
+#   endif
     }
 }
 
diff --git a/src/gui/painting/qdrawhelper_mmx_p.h b/src/gui/painting/qdrawhelper_mmx_p.h
index 8482262..59b3804 100644
--- a/src/gui/painting/qdrawhelper_mmx_p.h
+++ b/src/gui/painting/qdrawhelper_mmx_p.h
@@ -146,36 +146,30 @@ struct QMMXCommonIntrinsics
   result = 0
   d = d * cia
 */
+#define comp_func_Clear_impl(dest, length, const_alpha)\
+{\
+    if (const_alpha == 255) {\
+        qt_memfill(static_cast<quint32*>(dest), quint32(0), length);\
+    } else {\
+        C_FF; C_80; C_00;\
+        m64 ia = MM::negate(MM::load_alpha(const_alpha));\
+        for (int i = 0; i < length; ++i) {\
+            dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));\
+        }\
+        MM::end();\
+    }\
+}
+
 template <class MM>
 static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
 {
-    if (!length)
-        return;
-
-    if (const_alpha == 255) {
-        qt_memfill(static_cast<quint32*>(dest), quint32(0), length);
-    } else {
-        C_FF; C_80; C_00;
-        m64 ia = MM::negate(MM::load_alpha(const_alpha));
-        for (int i = 0; i < length; ++i) {
-            dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));
-        }
-    }
-    MM::end();
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 template <class MM>
 static void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha)
 {
-    if (const_alpha == 255) {
-        qt_memfill(static_cast<quint32*>(dest), quint32(0), length);
-    } else {
-        C_FF; C_80; C_00;
-        m64 ia = MM::negate(MM::load_alpha(const_alpha));
-        for (int i = 0; i < length; ++i)
-            dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));
-    }
-    MM::end();
+    comp_func_Clear_impl(dest, length, const_alpha);
 }
 
 /*
@@ -246,7 +240,10 @@ static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int le
     C_FF; C_80; C_00;
     if (const_alpha == 255) {
         for (int i = 0; i < length; ++i) {
-            if ((0xff000000 & src[i]) == 0xff000000) {
+            const uint alphaMaskedSource = 0xff000000 & src[i];
+            if (alphaMaskedSource == 0)
+                continue;
+            if (alphaMaskedSource == 0xff000000) {
                 dest[i] = src[i];
             } else {
                 m64 s = MM::load(src[i]);
@@ -257,6 +254,8 @@ static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int le
     } else {
         m64 ca = MM::load_alpha(const_alpha);
         for (int i = 0; i < length; ++i) {
+            if ((0xff000000 & src[i]) == 0)
+                continue;
             m64 s = MM::byte_mul(MM::load(src[i]), ca);
             m64 ia = MM::negate(MM::alpha(s));
             dest[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(dest[i]), ia)));
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h
index 6c47aac..cb0db4f 100644
--- a/src/gui/painting/qdrawhelper_p.h
+++ b/src/gui/painting/qdrawhelper_p.h
@@ -1549,6 +1549,9 @@ template<> inline void qt_memfill(quint8 *dest, quint8 color, int count)
 template <class T>
 inline void qt_memfill(T *dest, T value, int count)
 {
+    if (!count)
+        return;
+
     int n = (count + 7) / 8;
     switch (count & 0x07)
     {
diff --git a/src/gui/painting/qmath_p.h b/src/gui/painting/qmath_p.h
index cd9f5ea..8a5f5ab 100644
--- a/src/gui/painting/qmath_p.h
+++ b/src/gui/painting/qmath_p.h
@@ -54,6 +54,7 @@
 //
 
 #include <math.h>
+#include <qmath.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -61,6 +62,11 @@ static const qreal Q_PI   = qreal(3.14159265358979323846);   // pi
 static const qreal Q_2PI  = qreal(6.28318530717958647693);   // 2*pi
 static const qreal Q_PI2  = qreal(1.57079632679489661923);   // pi/2
 
+inline int qIntSqrtInt(int v)
+{
+    return static_cast<int>(qSqrt(static_cast<qreal>(v)));
+}
+
 QT_END_NAMESPACE
 
 #endif // QMATH_P_H
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 3f2322e..bc56ed0 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -3081,6 +3081,8 @@ void QRasterPaintEngine::drawGlyphsS60(const QPointF &p, const QTextItemInt &ti)
     QVarLengthArray<glyph_t> glyphs;
     QTransform matrix = s->matrix;
     matrix.translate(p.x(), p.y());
+    if (matrix.type() == QTransform::TxScale)
+        fe->setFontScale(matrix.m11());
     ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
 
     const QFixed aliasDelta = QFixed::fromReal(aliasedCoordinateDelta);
@@ -3097,6 +3099,9 @@ void QRasterPaintEngine::drawGlyphsS60(const QPointF &p, const QTextItemInt &ti)
         alphaPenBlt(glyphBitmapBytes, glyphBitmapSize.iWidth, 8, x, y, glyphBitmapSize.iWidth, glyphBitmapSize.iHeight);
     }
 
+    if (matrix.type() == QTransform::TxScale)
+        fe->setFontScale(1.0);
+
     return;
 }
 #endif // Q_OS_SYMBIAN && QT_NO_FREETYPE
@@ -3269,7 +3274,9 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
     }
 
 #elif defined (Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) // Q_WS_WIN || Q_WS_MAC
-    if (s->matrix.type() <= QTransform::TxTranslate) {
+    if (s->matrix.type() <= QTransform::TxTranslate
+        || (s->matrix.type() == QTransform::TxScale
+                && (qFuzzyCompare(s->matrix.m11(), s->matrix.m22())))) {
         drawGlyphsS60(p, ti);
         return;
     }
diff --git a/src/gui/painting/qpaintengine_x11.cpp b/src/gui/painting/qpaintengine_x11.cpp
index 147491e..da48fcb 100644
--- a/src/gui/painting/qpaintengine_x11.cpp
+++ b/src/gui/painting/qpaintengine_x11.cpp
@@ -1989,6 +1989,9 @@ void QX11PaintEngine::drawPixmap(const QRectF &r, const QPixmap &px, const QRect
         }
         XFillRectangle(d->dpy, d->hd, d->gc, x, y, sw, sh);
         restore_clip = true;
+    } else if (mono_dst && !mono_src) {
+        QBitmap bitmap(pixmap);
+        XCopyArea(d->dpy, bitmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y);
     } else {
         XCopyArea(d->dpy, pixmap.handle(), d->hd, d->gc, sx, sy, sw, sh, x, y);
     }
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 2502cc0..270144b 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -1987,12 +1987,25 @@ QPaintEngine *QPainter::paintEngine() const
     endNativePainting().
 
     Note that only the states the underlying paint engine changes will be reset
-    to their respective default states. If, for example, the OpenGL polygon
-    mode is changed by the user inside a beginNativePaint()/endNativePainting()
-    block, it will not be reset to the default state by endNativePainting().
+    to their respective default states. The states we reset may change from
+    release to release. The following states are currently reset in the OpenGL
+    2 engine:
 
-    Here is an example that shows intermixing of painter commands
-    and raw OpenGL commands:
+    \list
+    \i blending is disabled
+    \i the depth, stencil and scissor tests are disabled
+    \i the active texture unit is reset to 0
+    \i the depth mask, depth function and the clear depth are reset to their
+    default values
+    \i the stencil mask, stencil operation and stencil function are reset to
+    their default values
+     \i the current color is reset to solid white
+    \endlist
+
+    If, for example, the OpenGL polygon mode is changed by the user inside a
+    beginNativePaint()/endNativePainting() block, it will not be reset to the
+    default state by endNativePainting(). Here is an example that shows
+    intermixing of painter commands and raw OpenGL commands:
 
     \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 21
 
@@ -7510,7 +7523,7 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
             return widgetPrivate->redirected(offset);
     }
 
-    if (*globalRedirectionAtomic() == 0)
+    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
         return 0;
 
     QMutexLocker locker(globalRedirectionsMutex());
@@ -7530,7 +7543,7 @@ QPaintDevice *QPainter::redirected(const QPaintDevice *device, QPoint *offset)
 
 void qt_painter_removePaintDevice(QPaintDevice *dev)
 {
-    if (*globalRedirectionAtomic() == 0)
+    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
         return;
 
     QMutex *mutex = 0;
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index 7997e77..bc81514 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -90,8 +90,6 @@ static QPointF normalize(const QPointF &p)
     return p / qSqrt(p.x() * p.x() + p.y() * p.y());
 }
 
-static bool pathToRect(const QPainterPath &path, QRectF *rect = 0);
-
 struct QIntersection
 {
     qreal alphaA;
@@ -1660,7 +1658,7 @@ static bool fuzzyCompare(qreal a, qreal b)
     return qFuzzyCompare(a, b);
 }
 
-static bool pathToRect(const QPainterPath &path, QRectF *rect)
+bool QPathClipper::pathToRect(const QPainterPath &path, QRectF *rect)
 {
     if (path.elementCount() != 5)
         return false;
@@ -1693,7 +1691,7 @@ static bool pathToRect(const QPainterPath &path, QRectF *rect)
         return false;
 
     if (rect)
-        *rect = QRectF(QPointF(x1, y1), QPointF(x2, y2));
+        rect->setCoords(x1, y1, x2, y2);
 
     return true;
 }
diff --git a/src/gui/painting/qpathclipper_p.h b/src/gui/painting/qpathclipper_p.h
index 0d2c049..b900862 100644
--- a/src/gui/painting/qpathclipper_p.h
+++ b/src/gui/painting/qpathclipper_p.h
@@ -86,6 +86,8 @@ public:
     bool intersect();
     bool contains();
 
+    static bool pathToRect(const QPainterPath &path, QRectF *rect = 0);
+
 private:
     Q_DISABLE_COPY(QPathClipper)
 
diff --git a/src/gui/painting/qwindowsurface_raster.cpp b/src/gui/painting/qwindowsurface_raster.cpp
index a0d2b9b..eee6bef 100644
--- a/src/gui/painting/qwindowsurface_raster.cpp
+++ b/src/gui/painting/qwindowsurface_raster.cpp
@@ -295,10 +295,8 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi
     CGContextRestoreGState(context);
 #ifndef QT_MAC_USE_COCOA
     QDEndCGContext(port, &context);
-#else
-    CGContextFlush(context);
-#endif
 #endif
+#endif // Q_WS_MAC
 
 #ifdef Q_OS_SYMBIAN
     Q_UNUSED(widget);
diff --git a/src/gui/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp
index b41dc2c..6cbf3d9 100644
--- a/src/gui/painting/qwindowsurface_s60.cpp
+++ b/src/gui/painting/qwindowsurface_s60.cpp
@@ -145,12 +145,15 @@ QImage* QS60WindowSurface::buffer(const QWidget *widget)
 
 void QS60WindowSurface::flush(QWidget *widget, const QRegion &region, const QPoint &)
 {
-    QWExtra *extra = widget->d_func()->extraData();
-    if (extra && !extra->inExpose) {
-        extra->inExpose = true; // Prevent DrawNow() from calling syncBackingStore() again
+    QWidget *window = widget->window();
+    Q_ASSERT(window);
+    QTLWExtra *topExtra = window->d_func()->maybeTopData();
+    Q_ASSERT(topExtra);
+    if (!topExtra->inExpose) {
+        topExtra->inExpose = true; // Prevent DrawNow() from calling syncBackingStore() again
         TRect tr = qt_QRect2TRect(region.boundingRect());
         widget->winId()->DrawNow(tr);
-        extra->inExpose = false;
+        topExtra->inExpose = false;
     }
 }