Changeset 846 for trunk/src/gui/image/qpixmap_s60.cpp

Timestamp:

May 5, 2011, 5:36:53 AM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/image/qpixmap_s60.cpp (modified) (10 diffs)

trunk/src/gui/image/qpixmap_s60.cpp

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
@@ -64 +64 @@
                                      0x10, 0x20, 0x40, 0x80 };
 
+static bool cleanup_function_registered = false;
+static QS60PixmapData *firstPixmap = 0;
+
+// static
+void QS60PixmapData::qt_symbian_register_pixmap(QS60PixmapData *pd)
+{
+    if (!cleanup_function_registered) {
+        qAddPostRoutine(qt_symbian_release_pixmaps);
+        cleanup_function_registered = true;
+    }
+
+    pd->next = firstPixmap;
+    pd->prev = 0;
+    if (firstPixmap)
+        firstPixmap->prev = pd;
+    firstPixmap = pd;
+}
+
+// static
+void QS60PixmapData::qt_symbian_unregister_pixmap(QS60PixmapData *pd)
+{
+    if (pd->next)
+        pd->next->prev = pd->prev;
+    if (pd->prev)
+        pd->prev->next = pd->next;
+    else
+        firstPixmap = pd->next;
+}
+
+// static
+void QS60PixmapData::qt_symbian_release_pixmaps()
+{
+    // Scan all QS60PixmapData objects in the system and destroy them.
+    QS60PixmapData *pd = firstPixmap;
+    while (pd != 0) {
+        pd->release();
+        pd = pd->next;
+    }
+}
 
 /*
@@ -158 +197 @@
 public:
 
-    bool heapWasLocked;
+    static int heapRefCount;
     QSysInfo::SymbianVersion symbianVersion;
 
-    explicit QSymbianBitmapDataAccess() : heapWasLocked(false)
+    explicit QSymbianBitmapDataAccess()
     {
         symbianVersion = QSysInfo::symbianVersion();
@@ -170 +209 @@
     inline void beginDataAccess(CFbsBitmap *bitmap)
     {
-        if (symbianVersion == QSysInfo::SV_9_2)
-            heapWasLocked = qt_symbianFbsClient()->lockHeap();
-        else
+        if (symbianVersion == QSysInfo::SV_9_2) {
+            if (heapRefCount == 0)
+                qt_symbianFbsClient()->lockHeap();
+        } else {
             bitmap->LockHeap(ETrue);
+        }
+
+        heapRefCount++;
     }
 
     inline void endDataAccess(CFbsBitmap *bitmap)
     {
+        heapRefCount--;
+
         if (symbianVersion == QSysInfo::SV_9_2) {
-            if (!heapWasLocked)
+            if (heapRefCount == 0)
                 qt_symbianFbsClient()->unlockHeap();
         } else {
@@ -186 +231 @@
     }
 };
+
+int QSymbianBitmapDataAccess::heapRefCount = 0;
 
 
@@ -349 +396 @@
     pengine(0),
     bytes(0),
-    formatLocked(false)
-{
-
+    formatLocked(false),
+    next(0),
+    prev(0)
+{
+    qt_symbian_register_pixmap(this);
 }
 
@@ -358 +407 @@
     release();
     delete symbianBitmapDataAccess;
+    qt_symbian_unregister_pixmap(this);
 }
 
@@ -782 +832 @@
         bool needsCopy = false;
 
-        QSysInfo::SymbianVersion symbianVersion = QSysInfo::symbianVersion();
         if (!(S60->supportsPremultipliedAlpha)) {
             // Convert argb32_premultiplied to argb32 since Symbian 9.2 does
@@ -920 +969 @@
 
             TSize size = sourceBitmap->SizeInPixels();
+            int bytesPerLine = sourceBitmap->ScanLineLength(size.iWidth, displayMode);
 
             QSymbianBitmapDataAccess da;
             da.beginDataAccess(sourceBitmap);
             uchar *bytes = (uchar*)sourceBitmap->DataAddress();
-            QImage img = QImage(bytes, size.iWidth, size.iHeight, format);
+            QImage img = QImage(bytes, size.iWidth, size.iHeight, bytesPerLine, format);
             img = img.copy();
             da.endDataAccess(sourceBitmap);
@@ -963 +1013 @@
 }
 
+void QS60PixmapData::convertToDisplayMode(int mode)
+{
+    const TDisplayMode displayMode = static_cast<TDisplayMode>(mode);
+    if (!cfbsBitmap || cfbsBitmap->DisplayMode() == displayMode)
+        return;
+    if (image.depth() != TDisplayModeUtils::NumDisplayModeBitsPerPixel(displayMode)) {
+        qWarning("Cannot convert display mode due to depth mismatch");
+        return;
+    }
+
+    const TSize size = cfbsBitmap->SizeInPixels();
+    QScopedPointer<CFbsBitmap> newBitmap(createSymbianCFbsBitmap(size, displayMode));
+
+    const uchar *sptr = const_cast<const QImage &>(image).bits();
+    symbianBitmapDataAccess->beginDataAccess(newBitmap.data());
+    uchar *dptr = (uchar*)newBitmap->DataAddress();
+    Mem::Copy(dptr, sptr, image.byteCount());
+    symbianBitmapDataAccess->endDataAccess(newBitmap.data());
+
+    QSymbianFbsHeapLock lock(QSymbianFbsHeapLock::Unlock);
+    delete cfbsBitmap;
+    lock.relock();
+    cfbsBitmap = newBitmap.take();
+    setSerialNumber(cfbsBitmap->Handle());
+    UPDATE_BUFFER();
+}
+
 QPixmapData *QS60PixmapData::createCompatiblePixmapData() const
 {