3 files changed, 16 insertions, 15 deletions

diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 571ef9d..21ca1e3 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -4083,7 +4083,8 @@ QImage QImage::createAlphaMask(Qt::ImageConversionFlags flags) const
     }
 
     QImage mask(d->width, d->height, Format_MonoLSB);
-    dither_to_Mono(mask.d, d, flags, true);
+    if (!mask.isNull())
+        dither_to_Mono(mask.d, d, flags, true);
     return mask;
 }
 
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index 7f0a504..cd8a4d4 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -73,27 +73,27 @@ const uchar qt_pixmap_bit_mask[] = { 0x01, 0x02, 0x04, 0x08,
     used to lock the global bitmap heap. Only used in
     S60 v3.1 and S60 v3.2.
 */
+_LIT(KFBSERVLargeBitmapAccessName,"FbsLargeBitmapAccess");
 class QSymbianFbsClient
 {
 public:
 
-    QSymbianFbsClient() : heapLock(0), heapLocked(false)
+    QSymbianFbsClient() : heapLocked(false)
     {
-        QT_TRAP_THROWING(heapLock = new(ELeave) CFbsBitmap);
-        heapLock->Create(TSize(0,0), S60->screenDevice()->DisplayMode());
+        heapLock.OpenGlobal(KFBSERVLargeBitmapAccessName);
     }
 
     ~QSymbianFbsClient()
     {
-        delete heapLock;
+        heapLock.Close();
     }
 
     bool lockHeap()
     {
         bool wasLocked = heapLocked;
 
-        if (heapLock && !heapLocked) {
-            heapLock->LockHeap(ETrue);
+        if (heapLock.Handle() && !heapLocked) {
+            heapLock.Wait();
             heapLocked = true;
         }
 
@@ -104,8 +104,8 @@ public:
     {
         bool wasLocked = heapLocked;
 
-        if (heapLock && heapLocked) {
-            heapLock->UnlockHeap(ETrue);
+        if (heapLock.Handle() && heapLocked) {
+            heapLock.Signal();
             heapLocked = false;
         }
 
@@ -115,7 +115,7 @@ public:
 
 private:
 
-    CFbsBitmap *heapLock;
+    RMutex heapLock;
     bool heapLocked;
 };
 
@@ -169,7 +169,7 @@ public:
 
     inline void beginDataAccess(CFbsBitmap *bitmap)
     {
-        if (symbianVersion == QSysInfo::SV_9_2 || symbianVersion == QSysInfo::SV_9_3)
+        if (symbianVersion == QSysInfo::SV_9_2)
             heapWasLocked = qt_symbianFbsClient()->lockHeap();
         else
             bitmap->LockHeap(ETrue);
@@ -177,7 +177,7 @@ public:
 
     inline void endDataAccess(CFbsBitmap *bitmap)
     {
-        if (symbianVersion == QSysInfo::SV_9_2 || symbianVersion == QSysInfo::SV_9_3) {
+        if (symbianVersion == QSysInfo::SV_9_2) {
             if (!heapWasLocked)
                 qt_symbianFbsClient()->unlockHeap();
         } else {
@@ -753,7 +753,7 @@ QPixmap QPixmap::fromSymbianRSgImage(RSgImage *sgImage)
         return QPixmap();
 
     QScopedPointer<QS60PixmapData> data(new QS60PixmapData(QPixmapData::PixmapType));
-    data->fromNativeType(reinterpret_cast<void*>(bitmap), QPixmapData::SgImage);
+    data->fromNativeType(reinterpret_cast<void*>(sgImage), QPixmapData::SgImage);
     QPixmap pixmap(data.take());
     return pixmap;
 }
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 8a0120a..c735031 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -1916,8 +1916,8 @@ QPixmap QX11PixmapData::transformed(const QTransform &transform,
         free(dptr);
         return bm;
     } else {                                        // color pixmap
-        QPixmap pm;
-        QX11PixmapData *x11Data = static_cast<QX11PixmapData*>(pm.data.data());
+        QX11PixmapData *x11Data = new QX11PixmapData(QPixmapData::PixmapType);
+        QPixmap pm(x11Data);
         x11Data->flags &= ~QX11PixmapData::Uninitialized;
         x11Data->xinfo = xinfo;
         x11Data->d = d;