24 files changed, 674 insertions, 61 deletions
diff --git a/src/gui/image/image.pri b/src/gui/image/image.pri
index f89706c..92ea397 100644
--- a/src/gui/image/image.pri
+++ b/src/gui/image/image.pri
@@ -23,6 +23,7 @@ HEADERS += \
         image/qpictureformatplugin.h \
         image/qpixmap.h \
         image/qpixmap_raster_p.h \
+        image/qpixmap_blitter_p.h \
         image/qpixmapcache.h \
         image/qpixmapcache_p.h \
         image/qpixmapdata_p.h \
@@ -50,6 +51,7 @@ SOURCES += \
         image/qiconengineplugin.cpp \
         image/qmovie.cpp \
         image/qpixmap_raster.cpp \
+        image/qpixmap_blitter.cpp \
         image/qnativeimage.cpp \
         image/qimagepixmapcleanuphooks.cpp
 
@@ -59,6 +61,9 @@ win32 {
 else:embedded {
     SOURCES += image/qpixmap_qws.cpp
 }
+else:qpa {
+    SOURCES += image/qpixmap_qpa.cpp
+}
 else:x11 {
     HEADERS += image/qpixmap_x11_p.h
     SOURCES += image/qpixmap_x11.cpp
diff --git a/src/gui/image/qbitmap.cpp b/src/gui/image/qbitmap.cpp
index 91622f3..9d90b3f 100644
--- a/src/gui/image/qbitmap.cpp
+++ b/src/gui/image/qbitmap.cpp
@@ -227,6 +227,14 @@ QBitmap::~QBitmap()
 }
 
 /*!
+    \fn void QBitmap::swap(QBitmap &other)
+    \since 4.8
+
+    Swaps bitmap \a other with this bitmap. This operation is very
+    fast and never fails.
+*/
+
+/*!
    Returns the bitmap as a QVariant.
 */
 QBitmap::operator QVariant() const
diff --git a/src/gui/image/qbitmap.h b/src/gui/image/qbitmap.h
index 1bbe1cf..93be951 100644
--- a/src/gui/image/qbitmap.h
+++ b/src/gui/image/qbitmap.h
@@ -63,6 +63,7 @@ public:
     ~QBitmap();
 
     QBitmap &operator=(const QPixmap &);
+    inline void swap(QBitmap &other) { QPixmap::swap(other); } // prevent QBitmap<->QPixmap swaps
     operator QVariant() const;
 
     inline void clear() { fill(Qt::color0); }
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index a2f429a..e54bb5f 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -613,6 +613,14 @@ QIcon &QIcon::operator=(const QIcon &other)
 }
 
 /*!
+    \fn void QIcon::swap(QIcon &other)
+    \since 4.8
+
+    Swaps icon \a other with this icon. This operation is very
+    fast and never fails.
+*/
+
+/*!
    Returns the icon as a QVariant.
 */
 QIcon::operator QVariant() const
diff --git a/src/gui/image/qicon.h b/src/gui/image/qicon.h
index fd591e6..5091d03 100644
--- a/src/gui/image/qicon.h
+++ b/src/gui/image/qicon.h
@@ -75,6 +75,8 @@ public:
     inline QIcon &operator=(QIcon &&other)
     { qSwap(d, other.d); return *this; }
 #endif
+    inline void swap(QIcon &other) { qSwap(d, other.d); }
+
     operator QVariant() const;
 
     QPixmap pixmap(const QSize &size, Mode mode = Normal, State state = Off) const;
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 300e04b..d86021cb9 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -1329,6 +1329,14 @@ QImage &QImage::operator=(const QImage &image)
 }
 
 /*!
+    \fn void QImage::swap(QImage &other)
+    \since 4.8
+
+    Swaps image \a other with this image. This operation is very
+    fast and never fails.
+*/
+
+/*!
   \internal
 */
 int QImage::devType() const
@@ -6689,6 +6697,10 @@ bool QImageData::convertInPlace(QImage::Format newFormat, Qt::ImageConversionFla
     if (format == newFormat)
         return true;
 
+    // No in-place conversion if we have to detach
+    if (ref > 1)
+        return false;
+
     const InPlace_Image_Converter *const converterPtr = &inplace_converter_map[format][newFormat];
     InPlace_Image_Converter converter = *converterPtr;
     if (converter)
diff --git a/src/gui/image/qimage.h b/src/gui/image/qimage.h
index 4fe7da2..c6a947e 100644
--- a/src/gui/image/qimage.h
+++ b/src/gui/image/qimage.h
@@ -144,6 +144,7 @@ public:
     inline QImage &operator=(QImage &&other)
     { qSwap(d, other.d); return *this; }
 #endif
+    inline void swap(QImage &other) { qSwap(d, other.d); }
 
     bool isNull() const;
 
@@ -334,6 +335,7 @@ private:
     QImageData *d;
 
     friend class QRasterPixmapData;
+    friend class QBlittablePixmapData;
     friend class QPixmapCacheEntry;
     friend Q_GUI_EXPORT qint64 qt_image_id(const QImage &image);
     friend const QVector<QRgb> *qt_image_colortable(const QImage &image);
diff --git a/src/gui/image/qimage_ssse3.cpp b/src/gui/image/qimage_ssse3.cpp
index 9aed011..836d7b0 100644
--- a/src/gui/image/qimage_ssse3.cpp
+++ b/src/gui/image/qimage_ssse3.cpp
@@ -54,7 +54,7 @@ Q_GUI_EXPORT void QT_FASTCALL qt_convert_rgb888_to_rgb32_ssse3(quint32 *dst, con
 {
     quint32 *const end = dst + len;
 
-    // Prologue, align dst to 16 bytes. The alignement is done on dst because it has 4 store()
+    // Prologue, align dst to 16 bytes. The alignment is done on dst because it has 4 store()
     // for each 3 load() of src.
     const int offsetToAlignOn16Bytes = (4 - ((reinterpret_cast<quintptr>(dst) >> 2) & 0x3)) & 0x3;
     const int prologLength = qMin(len, offsetToAlignOn16Bytes);
diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp
index 8446387..0f7872e 100644
--- a/src/gui/image/qnativeimage.cpp
+++ b/src/gui/image/qnativeimage.cpp
@@ -45,6 +45,9 @@
 
 #include "private/qpaintengine_raster_p.h"
 
+#include "private/qapplication_p.h"
+#include "private/qgraphicssystem_p.h"
+
 #if defined(Q_WS_X11) && !defined(QT_NO_MITSHM)
 #include <qx11info_x11.h>
 #include <sys/ipc.h>
@@ -241,8 +244,19 @@ QNativeImage::QNativeImage(int width, int height, QImage::Format format, bool /*
     : image(width, height, format)
 {
 
-
     uint cgflags = kCGImageAlphaNoneSkipFirst;
+    switch (format) {
+    case QImage::Format_ARGB32:
+        cgflags = kCGImageAlphaFirst;
+        break;
+    case QImage::Format_ARGB32_Premultiplied:
+    case QImage::Format_ARGB8565_Premultiplied:
+    case QImage::Format_ARGB6666_Premultiplied:
+    case QImage::Format_ARGB8555_Premultiplied:
+    case QImage::Format_ARGB4444_Premultiplied:
+        cgflags = kCGImageAlphaPremultipliedFirst;
+        break;
+    }
 
 #ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
     cgflags |= kCGBitmapByteOrder32Host;
@@ -284,7 +298,11 @@ QNativeImage::~QNativeImage()
 
 QImage::Format QNativeImage::systemFormat()
 {
+#ifdef Q_WS_QPA
+    return QApplicationPrivate::platformIntegration()->screens().at(0)->format();
+#else
     return QImage::Format_RGB32;
+#endif
 }
 
 #endif // platforms
diff --git a/src/gui/image/qpicture.cpp b/src/gui/image/qpicture.cpp
index 48d2de3..fc81d23 100644
--- a/src/gui/image/qpicture.cpp
+++ b/src/gui/image/qpicture.cpp
@@ -1030,6 +1030,14 @@ QPicture& QPicture::operator=(const QPicture &p)
 }
 
 /*!
+    \fn void QPicture::swap(QPicture &other)
+    \since 4.8
+
+    Swaps picture \a other with this picture. This operation is very
+    fast and never fails.
+*/
+
+/*!
   \internal
 
   Constructs a QPicturePrivate
diff --git a/src/gui/image/qpicture.h b/src/gui/image/qpicture.h
index 49b0fd6..d24f23a 100644
--- a/src/gui/image/qpicture.h
+++ b/src/gui/image/qpicture.h
@@ -85,6 +85,7 @@ public:
     inline QPicture &operator=(QPicture &&other)
     { qSwap(d_ptr, other.d_ptr); return *this; }
 #endif
+    inline void swap(QPicture &other) { d_ptr.swap(other.d_ptr); }
     void detach();
     bool isDetached() const;
 
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index ad07fbd..9fd10ae 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -440,6 +440,14 @@ QPixmap &QPixmap::operator=(const QPixmap &pixmap)
 }
 
 /*!
+    \fn void QPixmap::swap(QPixmap &other)
+    \since 4.8
+
+    Swaps pixmap \a other with this pixmap. This operation is very
+    fast and never fails.
+*/
+
+/*!
    Returns the pixmap as a QVariant.
 */
 QPixmap::operator QVariant() const
@@ -1102,6 +1110,9 @@ QPixmap QPixmap::grabWidget(QWidget * widget, const QRect &rect)
         return QPixmap();
 
     QPixmap res(r.size());
+    if (!qt_widget_private(widget)->isOpaque)
+        res.fill(Qt::transparent);
+
     widget->d_func()->render(&res, QPoint(), r, QWidget::DrawWindowBackground
                              | QWidget::DrawChildren | QWidget::IgnoreMask, true);
     return res;
@@ -1964,6 +1975,8 @@ int QPixmap::defaultDepth()
     return 32;
 #elif defined(Q_OS_SYMBIAN)
     return S60->screenDepth;
+#elif defined(Q_WS_QPA)
+    return 32; //LITE: use graphicssystem (we should do that in general)
 #endif
 }
 
diff --git a/src/gui/image/qpixmap.h b/src/gui/image/qpixmap.h
index e9f9365..15fe5fa 100644
--- a/src/gui/image/qpixmap.h
+++ b/src/gui/image/qpixmap.h
@@ -87,6 +87,8 @@ public:
     inline QPixmap &operator=(QPixmap &&other)
     { qSwap(data, other.data); return *this; }
 #endif
+    inline void swap(QPixmap &other) { qSwap(data, other.data); }
+
     operator QVariant() const;
 
     bool isNull() const; // ### Qt 5: make inline
diff --git a/src/gui/image/qpixmap_blitter.cpp b/src/gui/image/qpixmap_blitter.cpp
new file mode 100644
index 0000000..e8a7b89
--- /dev/null
+++ b/src/gui/image/qpixmap_blitter.cpp
@@ -0,0 +1,311 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qpixmap_blitter_p.h"
+
+#include <qpainter.h>
+#include <qimage.h>
+
+#include <private/qapplication_p.h>
+#include <private/qgraphicssystem_p.h>
+#include <private/qblittable_p.h>
+
+#include <private/qdrawhelper_p.h>
+
+#ifndef QT_NO_BLITTABLE
+QT_BEGIN_NAMESPACE
+
+static int global_ser_no = 0;
+
+QBlittablePixmapData::QBlittablePixmapData()
+    : QPixmapData(QPixmapData::PixmapType,BlitterClass), m_engine(0), m_blittable(0)
+#ifdef QT_BLITTER_RASTEROVERLAY
+    ,m_rasterOverlay(0), m_unmergedCopy(0)
+#endif //QT_BLITTER_RASTEROVERLAY
+{
+    setSerialNumber(++global_ser_no);
+}
+
+QBlittablePixmapData::~QBlittablePixmapData()
+{
+    delete m_blittable;
+    delete m_engine;
+#ifdef QT_BLITTER_RASTEROVERLAY
+    delete m_rasterOverlay;
+    delete m_unmergedCopy;
+#endif //QT_BLITTER_RASTEROVERLAY
+}
+
+QBlittable *QBlittablePixmapData::blittable() const
+{
+    if (!m_blittable) {
+        QBlittablePixmapData *that = const_cast<QBlittablePixmapData *>(this);
+        that->m_blittable = this->createBlittable(QSize(w,h));
+    }
+
+    return m_blittable;
+}
+
+void QBlittablePixmapData::setBlittable(QBlittable *blittable)
+{
+    resize(blittable->size().width(),blittable->size().height());
+    m_blittable = blittable;
+}
+
+void QBlittablePixmapData::resize(int width, int height)
+{
+
+    delete m_blittable;
+    m_blittable = 0;
+    delete m_engine;
+    m_engine = 0;
+#ifdef Q_WS_QPA
+    d = QApplicationPrivate::platformIntegration()->screens().at(0)->depth();
+#endif
+    w = width;
+    h = height;
+    is_null = (w <= 0 || h <= 0);
+}
+Q_GUI_EXPORT extern int qt_defaultDpiX();
+Q_GUI_EXPORT extern int qt_defaultDpiY();
+
+int QBlittablePixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
+{
+    switch (metric) {
+    case QPaintDevice::PdmWidth:
+        return w;
+    case QPaintDevice::PdmHeight:
+        return h;
+    case QPaintDevice::PdmWidthMM:
+        return qRound(w * 25.4 / qt_defaultDpiX());
+    case QPaintDevice::PdmHeightMM:
+        return qRound(h * 25.4 / qt_defaultDpiY());
+    case QPaintDevice::PdmDepth:
+        return 32;
+    case QPaintDevice::PdmDpiX: // fall-through
+    case QPaintDevice::PdmPhysicalDpiX:
+        return qt_defaultDpiX();
+    case QPaintDevice::PdmDpiY: // fall-through
+    case QPaintDevice::PdmPhysicalDpiY:
+        return qt_defaultDpiY();
+    default:
+        qWarning("QRasterPixmapData::metric(): Unhandled metric type %d", metric);
+        break;
+    }
+
+    return 0;
+}
+
+void QBlittablePixmapData::fill(const QColor &color)
+{
+    //jlind: todo: change when blittables can support non opaque fillRects
+    if (color.alpha() == 255 && blittable()->capabilities() & QBlittable::SolidRectCapability) {
+        blittable()->unlock();
+        blittable()->fillRect(QRectF(0,0,w,h),color);
+    }else {
+        uint pixel;
+        switch (blittable()->lock()->format()) {
+        case QImage::Format_ARGB32_Premultiplied:
+            pixel = PREMUL(color.rgba());
+            break;
+        case QImage::Format_ARGB8565_Premultiplied:
+            pixel = qargb8565(color.rgba()).rawValue();
+            break;
+        case QImage::Format_ARGB8555_Premultiplied:
+            pixel = qargb8555(color.rgba()).rawValue();
+            break;
+        case QImage::Format_ARGB6666_Premultiplied:
+            pixel = qargb6666(color.rgba()).rawValue();
+            break;
+        case QImage::Format_ARGB4444_Premultiplied:
+            pixel = qargb4444(color.rgba()).rawValue();
+            break;
+        default:
+            pixel = color.rgba();
+            break;
+        }
+        //so premultiplied formats are supported and ARGB32 and RGB32
+        blittable()->lock()->fill(pixel);
+    }
+
+}
+
+QImage *QBlittablePixmapData::buffer()
+{
+    return blittable()->lock();
+}
+
+QImage QBlittablePixmapData::toImage() const
+{
+    return blittable()->lock()->copy();
+}
+
+bool QBlittablePixmapData::hasAlphaChannel() const
+{
+    return blittable()->lock()->hasAlphaChannel();
+}
+
+void QBlittablePixmapData::fromImage(const QImage &image,
+                                     Qt::ImageConversionFlags flags)
+{
+    resize(image.width(),image.height());
+    markRasterOverlay(QRect(0,0,w,h));
+    QImage *thisImg = buffer();
+
+    QImage correctFormatPic = image;
+    if (correctFormatPic.format() != thisImg->format())
+        correctFormatPic = correctFormatPic.convertToFormat(thisImg->format(), flags);
+
+    uchar *mem = thisImg->bits();
+    const uchar *bits = correctFormatPic.bits();
+    int bytesCopied = 0;
+    while (bytesCopied < correctFormatPic.byteCount()) {
+        memcpy(mem,bits,correctFormatPic.bytesPerLine());
+        mem += thisImg->bytesPerLine();
+        bits += correctFormatPic.bytesPerLine();
+        bytesCopied+=correctFormatPic.bytesPerLine();
+    }
+}
+
+QPaintEngine *QBlittablePixmapData::paintEngine() const
+{
+    if (!m_engine) {
+        QBlittablePixmapData *that = const_cast<QBlittablePixmapData *>(this);
+        that->m_engine = new QBlitterPaintEngine(that);
+    }
+    return m_engine;
+}
+
+#ifdef QT_BLITTER_RASTEROVERLAY
+
+static bool showRasterOverlay = !qgetenv("QT_BLITTER_RASTEROVERLAY").isEmpty();
+
+void QBlittablePixmapData::mergeOverlay()
+{
+    if (m_unmergedCopy || !showRasterOverlay)
+        return;
+    m_unmergedCopy = new QImage(buffer()->copy());
+    QPainter p(buffer());
+    p.setCompositionMode(QPainter::CompositionMode_SourceOver);
+    p.drawImage(0,0,*overlay());
+    p.end();
+}
+
+void QBlittablePixmapData::unmergeOverlay()
+{
+    if (!m_unmergedCopy || !showRasterOverlay)
+        return;
+    QPainter p(buffer());
+    p.setCompositionMode(QPainter::CompositionMode_Source);
+    p.drawImage(0,0,*m_unmergedCopy);
+    p.end();
+
+    delete m_unmergedCopy;
+    m_unmergedCopy = 0;
+}
+
+QImage *QBlittablePixmapData::overlay()
+{
+    if (!m_rasterOverlay||
+        m_rasterOverlay->size() != QSize(w,h)){
+        m_rasterOverlay = new QImage(w,h,QImage::Format_ARGB32_Premultiplied);
+        m_rasterOverlay->fill(0x00000000);
+        uint color = (qrand() % 11)+7;
+        m_overlayColor = QColor(Qt::GlobalColor(color));
+        m_overlayColor.setAlpha(0x88);
+
+    }
+    return m_rasterOverlay;
+}
+
+void QBlittablePixmapData::markRasterOverlayImpl(const QRectF &rect)
+{
+    if (!showRasterOverlay)
+        return;
+    QRectF transformationRect = clipAndTransformRect(rect);
+    if(!transformationRect.isEmpty()) {
+        QPainter p(overlay());
+        p.setBrush(m_overlayColor);
+        p.setCompositionMode(QPainter::CompositionMode_Source);
+        p.fillRect(transformationRect,QBrush(m_overlayColor));
+    }
+}
+
+void QBlittablePixmapData::unmarkRasterOverlayImpl(const QRectF &rect)
+{
+    if (!showRasterOverlay)
+        return;
+    QRectF transformationRect = clipAndTransformRect(rect);
+    if (!transformationRect.isEmpty()) {
+        QPainter p(overlay());
+        QColor color(0x00,0x00,0x00,0x00);
+        p.setBrush(color);
+        p.setCompositionMode(QPainter::CompositionMode_Source);
+        p.fillRect(transformationRect,QBrush(color));
+    }
+}
+
+QRectF QBlittablePixmapData::clipAndTransformRect(const QRectF &rect) const
+{
+    QRectF transformationRect = rect;
+    paintEngine();
+    if (m_engine->state()) {
+        transformationRect = m_engine->state()->matrix.mapRect(rect);
+        const QClipData *clipData = m_engine->clip();
+        if (clipData) {
+            if (clipData->hasRectClip) {
+                transformationRect &= clipData->clipRect;
+            } else if (clipData->hasRegionClip) {
+                const QVector<QRect> rects = clipData->clipRegion.rects();
+                for (int i = 0; i < rects.size(); i++) {
+                    transformationRect &= rects.at(i);
+                }
+            }
+        }
+    }
+    return transformationRect;
+}
+
+#endif //QT_BLITTER_RASTEROVERLAY
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_BLITTABLE
diff --git a/src/gui/image/qpixmap_blitter_p.h b/src/gui/image/qpixmap_blitter_p.h
new file mode 100644
index 0000000..55b5618
--- /dev/null
+++ b/src/gui/image/qpixmap_blitter_p.h
@@ -0,0 +1,166 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPIXMAP_BLITTER_P_H
+#define QPIXMAP_BLITTER_P_H
+
+#include <private/qpixmapdata_p.h>
+#include <private/qpaintengine_blitter_p.h>
+
+#ifndef QT_NO_BLITTABLE
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT  QBlittablePixmapData : public QPixmapData
+{
+//     Q_DECLARE_PRIVATE(QBlittablePixmapData);
+public:
+    QBlittablePixmapData();
+    ~QBlittablePixmapData();
+
+    virtual QBlittable *createBlittable(const QSize &size) const = 0;
+    QBlittable *blittable() const;
+    void setBlittable(QBlittable *blittable);
+
+    void resize(int width, int height);
+    int metric(QPaintDevice::PaintDeviceMetric metric) const;
+    void fill(const QColor &color);
+    QImage *buffer();
+    QImage toImage() const;
+    bool hasAlphaChannel() const;
+    void fromImage(const QImage &image, Qt::ImageConversionFlags flags);
+
+    QPaintEngine *paintEngine() const;
+
+    void markRasterOverlay(const QRectF &);
+    void markRasterOverlay(const QPointF &, const QTextItem &);
+    void markRasterOverlay(const QVectorPath &);
+    void markRasterOverlay(const QRect *rects, int rectCount);
+    void markRasterOverlay(const QRectF *rects, int rectCount);
+    void unmarkRasterOverlay(const QRectF &);
+
+#ifdef QT_BLITTER_RASTEROVERLAY
+    void mergeOverlay();
+    void unmergeOverlay();
+    QImage *overlay();
+
+#endif //QT_BLITTER_RASTEROVERLAY
+protected:
+    QBlitterPaintEngine *m_engine;
+    QBlittable *m_blittable;
+
+#ifdef QT_BLITTER_RASTEROVERLAY
+    QImage *m_rasterOverlay;
+    QImage *m_unmergedCopy;
+    QColor m_overlayColor;
+
+    void markRasterOverlayImpl(const QRectF &);
+    void unmarkRasterOverlayImpl(const QRectF &);
+    QRectF clipAndTransformRect(const QRectF &) const;
+#endif //QT_BLITTER_RASTEROVERLAY
+
+};
+
+inline void QBlittablePixmapData::markRasterOverlay(const QRectF &rect)
+{
+#ifdef QT_BLITTER_RASTEROVERLAY
+    markRasterOverlayImpl(rect);
+#else
+   Q_UNUSED(rect)
+#endif
+}
+
+inline void QBlittablePixmapData::markRasterOverlay(const QVectorPath &path)
+{
+#ifdef QT_BLITTER_RASTEROVERLAY
+    markRasterOverlayImpl(path.convertToPainterPath().boundingRect());
+#else
+    Q_UNUSED(path)
+#endif
+}
+
+inline void QBlittablePixmapData::markRasterOverlay(const QPointF &pos, const QTextItem &ti)
+{
+#ifdef QT_BLITTER_RASTEROVERLAY
+    QFontMetricsF fm(ti.font());
+    QRectF rect = fm.tightBoundingRect(ti.text());
+    rect.moveBottomLeft(pos);
+    markRasterOverlay(rect);
+#else
+    Q_UNUSED(pos)
+    Q_UNUSED(ti)
+#endif
+}
+
+inline void QBlittablePixmapData::markRasterOverlay(const QRect *rects, int rectCount)
+{
+#ifdef QT_BLITTER_RASTEROVERLAY
+    for (int i = 0; i < rectCount; i++) {
+        markRasterOverlay(rects[i]);
+    }
+#else
+    Q_UNUSED(rects)
+    Q_UNUSED(rectCount)
+#endif
+}
+inline void QBlittablePixmapData::markRasterOverlay(const QRectF *rects, int rectCount)
+{
+#ifdef QT_BLITTER_RASTEROVERLAY
+    for (int i = 0; i < rectCount; i++) {
+        markRasterOverlay(rects[i]);
+    }
+#else
+    Q_UNUSED(rects)
+    Q_UNUSED(rectCount)
+#endif
+}
+
+inline void QBlittablePixmapData::unmarkRasterOverlay(const QRectF &rect)
+{
+#ifdef QT_BLITTER_RASTEROVERLAY
+    unmarkRasterOverlayImpl(rect);
+#else
+    Q_UNUSED(rect)
+#endif
+}
+
+QT_END_NAMESPACE
+#endif // QT_NO_BLITTABLE
+#endif // QPIXMAP_BLITTER_P_H
diff --git a/src/gui/image/qpixmap_qpa.cpp b/src/gui/image/qpixmap_qpa.cpp
new file mode 100644
index 0000000..61be216
--- /dev/null
+++ b/src/gui/image/qpixmap_qpa.cpp
@@ -0,0 +1,49 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qpixmap.h>
+#include <private/qgraphicssystem_p.h>
+#include <private/qapplication_p.h>
+
+QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h)
+{
+    return QApplicationPrivate::platformIntegration()->grabWindow(window, x, y, w, h);
+}
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index 47249d9..b7c8acb 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -968,11 +968,12 @@ void QS60PixmapData::fromNativeType(void* pixmap, NativeType nativeType)
         if (needsCopy) {
 
             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);
 
diff --git a/src/gui/image/qpixmap_x11_p.h b/src/gui/image/qpixmap_x11_p.h
index f171281..7eab64c 100644
--- a/src/gui/image/qpixmap_x11_p.h
+++ b/src/gui/image/qpixmap_x11_p.h
@@ -115,7 +115,7 @@ private:
     friend class QEglContext; // Needs gl_surface
     friend class QGLContext; // Needs gl_surface
     friend class QX11GLPixmapData; // Needs gl_surface
-    friend class QMeeGoGraphicsSystem; // Needs gl_surface and flags
+    friend class QMeeGoLivePixmapData; // Needs gl_surface and flags
     friend bool  qt_createEGLSurfaceForPixmap(QPixmapData*, bool); // Needs gl_surface
 
     void release();
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h
index ec62b0b..f69eb3d 100644
--- a/src/gui/image/qpixmapdata_p.h
+++ b/src/gui/image/qpixmapdata_p.h
@@ -75,7 +75,8 @@ public:
     };
 #endif
     enum ClassId { RasterClass, X11Class, MacClass, DirectFBClass,
-                   OpenGLClass, OpenVGClass, RuntimeClass, CustomClass = 1024 };
+                   OpenGLClass, OpenVGClass, RuntimeClass, BlitterClass,
+                   CustomClass = 1024 };
 
     QPixmapData(PixelType pixelType, int classId);
     virtual ~QPixmapData();
diff --git a/src/gui/image/qpixmapdatafactory.cpp b/src/gui/image/qpixmapdatafactory.cpp
index 7498a7c..50dad38 100644
--- a/src/gui/image/qpixmapdatafactory.cpp
+++ b/src/gui/image/qpixmapdatafactory.cpp
@@ -53,6 +53,9 @@
 #ifdef Q_WS_MAC
 # include <private/qpixmap_mac_p.h>
 #endif
+#ifdef Q_WS_QPA
+# include <private/qpixmap_raster_p.h>
+#endif
 #ifdef Q_OS_SYMBIAN
 # include <private/qpixmap_s60_p.h>
 #endif
@@ -82,8 +85,10 @@ QPixmapData* QSimplePixmapDataFactory::create(QPixmapData::PixelType type)
     return new QRasterPixmapData(type);
 #elif defined(Q_WS_MAC)
     return new QMacPixmapData(type);
+#elif defined(Q_WS_QPA)
+    return new QRasterPixmapData(type);
 #elif defined(Q_OS_SYMBIAN)
-    return new QS60PixmapData(type);    
+    return new QS60PixmapData(type);
 #else
 #error QSimplePixmapDataFactory::create() not implemented
 #endif
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index 935aba0..ea62cf8 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -331,6 +331,7 @@ public:
     float gamma;
     int quality;
     QString description;
+    QStringList readTexts;
 
     png_struct *png_ptr;
     png_info *info_ptr;
@@ -389,25 +390,20 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngHeader()
 
     while (num_text--) {
         QString key, value;
-#if defined(PNG_iTXt_SUPPORTED) && !defined(QT_NO_TEXTCODEC)
-        if (text_ptr->lang) {
-            QTextCodec *codec = QTextCodec::codecForName(text_ptr->lang);
-            if (codec) {
-                key = codec->toUnicode(text_ptr->lang_key);
-                value = codec->toUnicode(QByteArray(text_ptr->text, text_ptr->itxt_length));
-            } else {
-                key = QString::fromLatin1(text_ptr->key);
-                value = QString::fromLatin1(QByteArray(text_ptr->text, int(text_ptr->text_length)));
-            }
+        key = QString::fromLatin1(text_ptr->key);
+#if defined(PNG_iTXt_SUPPORTED)
+        if (text_ptr->itxt_length) {
+            value = QString::fromUtf8(text_ptr->text, int(text_ptr->itxt_length));
         } else
 #endif
         {
-            key = QString::fromLatin1(text_ptr->key);
             value = QString::fromLatin1(QByteArray(text_ptr->text, int(text_ptr->text_length)));
         }
         if (!description.isEmpty())
             description += QLatin1String("\n\n");
         description += key + QLatin1String(": ") + value.simplified();
+        readTexts.append(key);
+        readTexts.append(value);
         text_ptr++;
     }
 #endif
@@ -485,25 +481,8 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage)
     outImage->setDotsPerMeterX(png_get_x_pixels_per_meter(png_ptr,info_ptr));
     outImage->setDotsPerMeterY(png_get_y_pixels_per_meter(png_ptr,info_ptr));
 
-#ifndef QT_NO_IMAGE_TEXT
-    png_textp text_ptr;
-    int num_text=0;
-    png_get_text(png_ptr,info_ptr,&text_ptr,&num_text);
-    while (num_text--) {
-        outImage->setText(text_ptr->key,0,QString::fromAscii(text_ptr->text));
-        text_ptr++;
-    }
-
-    foreach (const QString &pair, description.split(QLatin1String("\n\n"))) {
-        int index = pair.indexOf(QLatin1Char(':'));
-        if (index >= 0 && pair.indexOf(QLatin1Char(' ')) < index) {
-            outImage->setText(QLatin1String("Description"), pair.simplified());
-        } else {
-            QString key = pair.left(index);
-            outImage->setText(key, pair.mid(index + 2).simplified());
-        }
-    }
-#endif
+    for (int i = 0; i < readTexts.size()-1; i+=2)
+        outImage->setText(readTexts.at(i), readTexts.at(i+1));
 
     png_read_end(png_ptr, end_info);
     png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
@@ -634,29 +613,40 @@ static void set_text(const QImage &image, png_structp png_ptr, png_infop info_pt
         return;
 
     png_textp text_ptr = new png_text[text.size()];
+    qMemSet(text_ptr, 0, text.size() * sizeof(png_text));
 
     QMap<QString, QString>::ConstIterator it = text.constBegin();
     int i = 0;
     while (it != text.constEnd()) {
-        QString t = it.value();
-        if (t.length() < 40)
-            text_ptr[i].compression = PNG_TEXT_COMPRESSION_NONE;
-        else
-            text_ptr[i].compression = PNG_TEXT_COMPRESSION_zTXt;
         text_ptr[i].key = qstrdup(it.key().left(79).toLatin1().constData());
+        bool noCompress = (it.value().length() < 40);
 
-#ifndef PNG_iTXt_SUPPORTED
-        QByteArray value = it.value().toLatin1();
-        text_ptr[i].text = qstrdup(value.constData());
-        text_ptr[i].text_length = value.size();
-#else
-        QByteArray value = it.value().toUtf8();
-        text_ptr[i].text = qstrdup(value.constData());
-        text_ptr[i].text_length = 0;
-        text_ptr[i].itxt_length = value.size();
-        text_ptr[i].lang = const_cast<char*>("UTF-8");
-        text_ptr[i].lang_key = qstrdup(it.key().toUtf8().constData());
+#ifdef PNG_iTXt_SUPPORTED
+        bool needsItxt = false;
+        foreach(const QChar c, it.value()) {
+            uchar ch = c.cell();
+            if (c.row() || (ch < 0x20 && ch != '\n') || (ch > 0x7e && ch < 0xa0)) {
+                needsItxt = true;
+                break;
+            }
+        }
+
+        if (needsItxt) {
+            text_ptr[i].compression = noCompress ? PNG_ITXT_COMPRESSION_NONE : PNG_ITXT_COMPRESSION_zTXt;
+            QByteArray value = it.value().toUtf8();
+            text_ptr[i].text = qstrdup(value.constData());
+            text_ptr[i].itxt_length = value.size();
+            text_ptr[i].lang = const_cast<char*>("UTF-8");
+            text_ptr[i].lang_key = qstrdup(it.key().toUtf8().constData());
+        }
+        else
 #endif
+        {
+            text_ptr[i].compression = noCompress ? PNG_TEXT_COMPRESSION_NONE : PNG_TEXT_COMPRESSION_zTXt;
+            QByteArray value = it.value().toLatin1();
+            text_ptr[i].text = qstrdup(value.constData());
+            text_ptr[i].text_length = value.size();
+        }
         ++i;
         ++it;
     }
diff --git a/src/gui/image/qtiffhandler.cpp b/src/gui/image/qtiffhandler.cpp
index 2e8b998..dd2bd10 100644
--- a/src/gui/image/qtiffhandler.cpp
+++ b/src/gui/image/qtiffhandler.cpp
@@ -611,6 +611,7 @@ QVariant QTiffHandler::option(ImageOption option) const
             TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &width);
             TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &height);
             imageSize = QSize(width, height);
+            TIFFClose(tiff);
         }
         device()->seek(pos);
         if (imageSize.isValid())
diff --git a/src/gui/image/qxbmhandler.cpp b/src/gui/image/qxbmhandler.cpp
index 0dd4e99..f9c2e0c 100644
--- a/src/gui/image/qxbmhandler.cpp
+++ b/src/gui/image/qxbmhandler.cpp
@@ -66,27 +66,36 @@ static inline int hex2byte(register char *p)
 static bool read_xbm_header(QIODevice *device, int& w, int& h)
 {
     const int buflen = 300;
+    const int maxlen = 4096;
     char buf[buflen + 1];
     QRegExp r1(QLatin1String("^#define[ \t]+[a-zA-Z0-9._]+[ \t]+"));
     QRegExp r2(QLatin1String("[0-9]+"));
 
     qint64 readBytes = 0;
+    qint64 totalReadBytes = 0;
 
-    // "#define .._width <num>"
-    readBytes = device->readLine(buf, buflen);
-    if (readBytes <= 0)
-	return false;
-    buf[readBytes - 1] = '\0';
+    buf[0] = '\0';
 
     // skip initial comment, if any
-    while (buf[0] != '#' && (readBytes = device->readLine( buf, buflen )) > 0) {}
+    while (buf[0] != '#') {
+        readBytes = device->readLine(buf, buflen);
+
+        // if readBytes >= buflen, it's very probably not a C file
+        if (readBytes <= 0 || readBytes >= buflen -1)
+            return false;
+
+        // limit xbm headers to the first 4k in the file to prevent
+        // excessive reads on non-xbm files
+        totalReadBytes += readBytes;
+        if (totalReadBytes >= maxlen)
+            return false;
+    }
 
-    if (readBytes <= 0)
-	return false;
     buf[readBytes - 1] = '\0';
     QString sbuf;
     sbuf = QString::fromLatin1(buf);
 
+    // "#define .._width <num>"
     if (r1.indexIn(sbuf) == 0 &&
          r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength())
         w = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt();
diff --git a/src/gui/image/qxpmhandler.cpp b/src/gui/image/qxpmhandler.cpp
index b97afd3..453100c 100644
--- a/src/gui/image/qxpmhandler.cpp
+++ b/src/gui/image/qxpmhandler.cpp
@@ -766,7 +766,7 @@ static bool qt_get_named_xpm_rgb(const char *name_no_space, QRgb *rgb)
 {
     XPMRGBData x;
     x.name = name_no_space;
-    // Funtion bsearch() is supposed to be
+    // Function bsearch() is supposed to be
     // void *bsearch(const void *key, const void *base, ...
     // So why (char*)? Are there broken bsearch() declarations out there?
     XPMRGBData *r = (XPMRGBData *)bsearch((char *)&x, (char *)xpmRgbTbl, xpmRgbTblSize,