--- a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -174,6 +174,8 @@
 bool QDirectFBPixmapData::fromFile(const QString &filename, const char *format,
                                    Qt::ImageConversionFlags flags)
 {
+    if (!QFile::exists(filename))
+        return false;
     if (flags == Qt::AutoColor) {
         if (filename.startsWith(QLatin1Char(':'))) { // resource
             QFile file(filename);
@@ -288,27 +290,22 @@
 void QDirectFBPixmapData::fromImage(const QImage &img,
                                     Qt::ImageConversionFlags flags)
 {
-    if (img.depth() == 1 || img.format() == QImage::Format_RGB32) {
-        fromImage(img.convertToFormat(screen->alphaPixmapFormat()), flags);
-        return;
-    }
-
-    if (img.hasAlphaChannel()
+    if (img.depth() == 1) {
+        alpha = true;
 #ifndef QT_NO_DIRECTFB_OPAQUE_DETECTION
-        && (flags & Qt::NoOpaqueDetection || QDirectFBPixmapData::hasAlphaChannel(img))
+    } else if (flags & Qt::NoOpaqueDetection || QDirectFBPixmapData::hasAlphaChannel(img)) {
+        alpha = true;
+#else
+    } else if (img.hasAlphaChannel()) {
+        alpha = true;
 #endif
-        ) {
-        alpha = true;
-        imageFormat = screen->alphaPixmapFormat();
-    } else {
-        alpha = false;
-        imageFormat = screen->pixelFormat();
     }
+    imageFormat = alpha ? screen->alphaPixmapFormat() : screen->pixelFormat();
     QImage image;
-    if (flags != Qt::AutoColor) {
+    if ((flags & ~Qt::NoOpaqueDetection) != Qt::AutoColor) {
         image = img.convertToFormat(imageFormat, flags);
         flags = Qt::AutoColor;
-    } else if (img.format() == QImage::Format_RGB32) {
+    } else if (img.format() == QImage::Format_RGB32 || img.depth() == 1) {
         image = img.convertToFormat(imageFormat, flags);
     } else {
         image = img;
@@ -425,7 +422,7 @@
 
     Q_ASSERT(dfbSurface);
 
-    alpha = (color.alpha() < 255);
+    alpha |= (color.alpha() < 255);
 
     if (alpha && isOpaqueFormat(imageFormat)) {
         QSize size;
@@ -470,6 +467,7 @@
         return QPixmap();
 
     QDirectFBPixmapData *data = new QDirectFBPixmapData(screen, QPixmapData::PixmapType);
+    data->setSerialNumber(++global_ser_no);
     DFBSurfaceBlittingFlags flags = DSBLIT_NOFX;
     data->alpha = alpha;
     if (alpha) {
@@ -551,6 +549,34 @@
     return &lockedImage;
 }
 
+
+bool QDirectFBPixmapData::scroll(int dx, int dy, const QRect &rect)
+{
+    if (!dfbSurface) {
+        return false;
+    }
+    unlockSurface();
+    DFBResult result = dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_NOFX);
+    if (result != DFB_OK) {
+        DirectFBError("QDirectFBPixmapData::scroll", result);
+        return false;
+    }
+    result = dfbSurface->SetPorterDuff(dfbSurface, DSPD_NONE);
+    if (result != DFB_OK) {
+        DirectFBError("QDirectFBPixmapData::scroll", result);
+        return false;
+    }
+
+    const DFBRectangle source = { rect.x(), rect.y(), rect.width(), rect.height() };
+    result = dfbSurface->Blit(dfbSurface, dfbSurface, &source, source.x + dx, source.y + dy);
+    if (result != DFB_OK) {
+        DirectFBError("QDirectFBPixmapData::scroll", result);
+        return false;
+    }
+
+    return true;
+}
+
 void QDirectFBPixmapData::invalidate()
 {
     if (dfbSurface) {
@@ -564,9 +590,17 @@
     imageFormat = QImage::Format_Invalid;
 }
 
+#ifndef QT_DIRECTFB_PLUGIN
+Q_GUI_EXPORT IDirectFBSurface *qt_directfb_surface_for_pixmap(const QPixmap &pixmap)
+{
+    const QPixmapData *data = pixmap.pixmapData();
+    if (!data || data->classId() != QPixmapData::DirectFBClass)
+        return 0;
+    const QDirectFBPixmapData *dfbData = static_cast<const QDirectFBPixmapData*>(data);
+    return dfbData->directFBSurface();
+}
+#endif
+
 QT_END_NAMESPACE
 
 #endif // QT_NO_QWS_DIRECTFB
-
-
-