Merge remote branch 'origin/4.6' into qt-4.7-from-4.6

Conflicts:
	src/gui/styles/qs60style_s60.cpp

3 files changed, 14 insertions, 22 deletions

diff --git a/src/gui/painting/qregion.cpp b/src/gui/painting/qregion.cpp
index 614d2c0..bea2b6e 100644
--- a/src/gui/painting/qregion.cpp
+++ b/src/gui/painting/qregion.cpp
@@ -3134,8 +3134,8 @@ SOFTWARE.
 ************************************************************************/
 /* $XFree86: xc/lib/X11/PolyReg.c,v 1.1.1.2.8.2 1998/10/04 15:22:49 hohndel Exp $ */
 
-#define LARGE_COORDINATE 1000000
-#define SMALL_COORDINATE -LARGE_COORDINATE
+#define LARGE_COORDINATE INT_MAX
+#define SMALL_COORDINATE INT_MIN
 
 /*
  *     InsertEdgeInET
diff --git a/src/gui/painting/qtransform.h b/src/gui/painting/qtransform.h
index 9909643..212a582 100644
--- a/src/gui/painting/qtransform.h
+++ b/src/gui/painting/qtransform.h
@@ -293,7 +293,8 @@ inline QTransform &QTransform::operator*=(qreal num)
     affine._dx  *= num;
     affine._dy  *= num;
     m_33        *= num;
-    m_dirty     |= TxScale;
+    if (m_dirty < TxScale)
+        m_dirty = TxScale;
     return *this;
 }
 inline QTransform &QTransform::operator/=(qreal div)
@@ -316,7 +317,7 @@ inline QTransform &QTransform::operator+=(qreal num)
     affine._dx  += num;
     affine._dy  += num;
     m_33        += num;
-    m_dirty     |= TxProject;
+    m_dirty     = TxProject;
     return *this;
 }
 inline QTransform &QTransform::operator-=(qreal num)
@@ -332,7 +333,7 @@ inline QTransform &QTransform::operator-=(qreal num)
     affine._dx  -= num;
     affine._dy  -= num;
     m_33        -= num;
-    m_dirty     |= TxProject;
+    m_dirty     = TxProject;
     return *this;
 }
 
diff --git a/src/gui/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp
index 028ec48..d05c7e4 100644
--- a/src/gui/painting/qwindowsurface_s60.cpp
+++ b/src/gui/painting/qwindowsurface_s60.cpp
@@ -70,13 +70,13 @@ QS60WindowSurface::QS60WindowSurface(QWidget* widget)
     // We create empty CFbsBitmap here -> it will be resized in setGeometry
     CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
     qt_symbian_throwIfError( bitmap->Create( TSize(0, 0), mode ) );
-	
+
     QS60PixmapData *data = new QS60PixmapData(QPixmapData::PixmapType);
     if (data) {
         data->fromSymbianBitmap(bitmap, true);
         d_ptr->device = QPixmap(data);
     }
-        
+
     setStaticContentsSupport(true);
 }
 QS60WindowSurface::~QS60WindowSurface()
@@ -89,24 +89,15 @@ void QS60WindowSurface::beginPaint(const QRegion &rgn)
     if (!qt_widget_private(window())->isOpaque) {
         QS60PixmapData *pixmapData = static_cast<QS60PixmapData *>(d_ptr->device.data_ptr().data());
         pixmapData->beginDataAccess();
-        QImage &image = pixmapData->image;
-        QRgb *data = reinterpret_cast<QRgb *>(image.bits());
-        const int row_stride = image.bytesPerLine() / 4;
 
+        QPainter p(&pixmapData->image);
+        p.setCompositionMode(QPainter::CompositionMode_Source);
         const QVector<QRect> rects = rgn.rects();
+        const QColor blank = Qt::transparent;
         for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
-            const int x_start = it->x();
-            const int width = it->width();
-
-            const int y_start = it->y();
-            const int height = it->height();
-
-            QRgb *row = data + row_stride * y_start;
-            for (int y = 0; y < height; ++y) {
-                qt_memfill(row + x_start, 0U, width);
-                row += row_stride;
-            }
+            p.fillRect(*it, blank);
         }
+
         pixmapData->endDataAccess();
     }
 }
@@ -128,7 +119,7 @@ QImage* QS60WindowSurface::buffer(const QWidget *widget)
 
     const QPoint off = offset(widget);
     QImage *img = &(static_cast<QS60PixmapData *>(d_ptr->device.data_ptr().data())->image);
-    
+
     QRect rect(off, widget->size());
     rect &= QRect(QPoint(), img->size());