Long live Qt!

1 files changed, 1339 insertions, 0 deletions

diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp
new file mode 100644
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--- /dev/null
+++ b/src/gui/image/qpixmap_mac.cpp
@@ -0,0 +1,1339 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+//#define QT_RASTER_PAINTENGINE
+
+#include "qpixmap.h"
+#include "qimage.h"
+#include "qapplication.h"
+#include "qbitmap.h"
+#include "qmatrix.h"
+#include "qtransform.h"
+#include "qlibrary.h"
+#include "qvarlengtharray.h"
+#include "qdebug.h"
+#include <private/qdrawhelper_p.h>
+#include <private/qpixmap_mac_p.h>
+#include <private/qpixmap_raster_p.h>
+#ifdef QT_RASTER_PAINTENGINE
+#  include <private/qpaintengine_raster_p.h>
+#endif
+#include <private/qpaintengine_mac_p.h>
+#include <private/qt_mac_p.h>
+#include <private/qt_cocoa_helpers_mac_p.h>
+
+#include <limits.h>
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+/*****************************************************************************
+  Externals
+ *****************************************************************************/
+extern const uchar *qt_get_bitflip_array(); //qimage.cpp
+extern CGContextRef qt_mac_cg_context(const QPaintDevice *pdev); //qpaintdevice_mac.cpp
+extern RgnHandle qt_mac_get_rgn(); //qregion_mac.cpp
+extern void qt_mac_dispose_rgn(RgnHandle r); //qregion_mac.cpp
+extern QRegion qt_mac_convert_mac_region(RgnHandle rgn); //qregion_mac.cpp
+
+static int qt_pixmap_serial = 0;
+
+Q_GUI_EXPORT quint32 *qt_mac_pixmap_get_base(const QPixmap *pix)
+{
+    return static_cast<QMacPixmapData*>(pix->data)->pixels;
+}
+
+Q_GUI_EXPORT int qt_mac_pixmap_get_bytes_per_line(const QPixmap *pix)
+{
+    return static_cast<QMacPixmapData*>(pix->data)->bytesPerRow;
+}
+
+void qt_mac_cgimage_data_free(void *info, const void *memoryToFree, size_t)
+{
+    QMacPixmapData *pmdata = static_cast<QMacPixmapData *>(info);
+    if (!pmdata) {
+        free(const_cast<void *>(memoryToFree));
+    } else {
+        if (QMacPixmapData::validDataPointers.contains(pmdata) == false) {
+            free(const_cast<void *>(memoryToFree));
+            return;
+        }
+        if (pmdata->pixels == pmdata->pixelsToFree) {
+            // something we aren't expecting, just free it.
+            Q_ASSERT(memoryToFree != pmdata->pixelsToFree);
+            free(const_cast<void *>(memoryToFree));
+        } else {
+            free(pmdata->pixelsToFree);
+            pmdata->pixelsToFree = static_cast<quint32 *>(const_cast<void *>(memoryToFree));
+        }
+        pmdata->cg_dataBeingReleased = 0;
+    }
+}
+
+CGImageRef qt_mac_image_to_cgimage(const QImage &image)
+{
+    int bitsPerColor = 8;
+    int bitsPerPixel = 32;
+    if (image.depth() == 1) {
+        bitsPerColor = 1;
+        bitsPerPixel = 1;
+    }
+    QCFType<CGDataProviderRef> provider =
+        CGDataProviderCreateWithData(0, image.bits(), image.bytesPerLine() * image.height(),
+                                     0);
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    uint cgflags = kCGImageAlphaPremultipliedFirst;
+#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
+    if(QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
+        cgflags |= kCGBitmapByteOrder32Host;
+#endif
+#else
+    CGImageAlphaInfo cgflags = kCGImageAlphaPremultipliedFirst;
+#endif
+
+    CGImageRef cgImage = CGImageCreate(image.width(), image.height(), bitsPerColor, bitsPerPixel,
+                                       image.bytesPerLine(),
+                                       QCoreGraphicsPaintEngine::macGenericColorSpace(),
+                                       cgflags, provider,
+                                       0,
+                                       0,
+                                       kCGRenderingIntentDefault);
+
+    return cgImage;
+}
+
+/*****************************************************************************
+  QPixmap member functions
+ *****************************************************************************/
+
+static inline QRgb qt_conv16ToRgb(ushort c) {
+    static const int qt_rbits = (565/100);
+    static const int qt_gbits = (565/10%10);
+    static const int qt_bbits = (565%10);
+    static const int qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits);
+    static const int qt_green_shift = qt_bbits-(8-qt_gbits);
+    static const int qt_neg_blue_shift = 8-qt_bbits;
+    static const int qt_blue_mask = (1<<qt_bbits)-1;
+    static const int qt_green_mask = (1<<(qt_gbits+qt_bbits))-((1<<qt_bbits)-1);
+    static const int qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits));
+
+    const int r=(c & qt_red_mask);
+    const int g=(c & qt_green_mask);
+    const int b=(c & qt_blue_mask);
+    const int tr = r >> qt_red_shift;
+    const int tg = g >> qt_green_shift;
+    const int tb = b << qt_neg_blue_shift;
+
+    return qRgb(tr,tg,tb);
+}
+
+QSet<QMacPixmapData*> QMacPixmapData::validDataPointers;
+
+QMacPixmapData::QMacPixmapData(PixelType type)
+    : QPixmapData(type, MacClass), w(0), h(0), d(0), has_alpha(0), has_mask(0),
+      uninit(true), pixels(0), pixelsToFree(0), bytesPerRow(0),
+      cg_data(0), cg_dataBeingReleased(0), cg_mask(0),
+#ifndef QT_MAC_NO_QUICKDRAW
+      qd_data(0), qd_alpha(0),
+#endif
+      pengine(0)
+{
+}
+
+#define BEST_BYTE_ALIGNMENT 16
+#define COMPTUE_BEST_BYTES_PER_ROW(bpr) \
+    (((bpr) + (BEST_BYTE_ALIGNMENT - 1)) & ~(BEST_BYTE_ALIGNMENT - 1))
+
+void QMacPixmapData::resize(int width, int height)
+{
+    setSerialNumber(++qt_pixmap_serial);
+
+    w = width;
+    h = height;
+    d = (pixelType() == BitmapType ? 1 : 32);
+    bool make_null = w <= 0 || h <= 0;                // create null pixmap
+    if (make_null || d == 0) {
+        w = 0;
+        h = 0;
+        d = 0;
+        if (!make_null)
+            qWarning("Qt: QPixmap: Invalid pixmap parameters");
+        return;
+    }
+
+    if (w < 1 || h < 1)
+        return;
+
+    //create the pixels
+    bytesPerRow = w * sizeof(quint32);  // Minimum bytes per row.
+
+    // Quartz2D likes things as a multple of 16 (for now).
+    bytesPerRow = COMPTUE_BEST_BYTES_PER_ROW(bytesPerRow);
+    macCreatePixels();
+}
+
+#undef COMPUTE_BEST_BYTES_PER_ROW
+
+void QMacPixmapData::fromImage(const QImage &img,
+                               Qt::ImageConversionFlags flags)
+{
+    setSerialNumber(++qt_pixmap_serial);
+
+    // the conversion code only handles format >=
+    // Format_ARGB32_Premultiplied at the moment..
+    if (img.format() > QImage::Format_ARGB32_Premultiplied) {
+        QImage image;
+        if (img.hasAlphaChannel())
+            image = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
+        else
+            image = img.convertToFormat(QImage::Format_RGB32);
+        fromImage(image, flags);
+        return;
+    }
+
+    w = img.width();
+    h = img.height();
+    d = (pixelType() == BitmapType ? 1 : img.depth());
+
+    QImage image = img;
+    int dd = QPixmap::defaultDepth();
+    bool force_mono = (dd == 1 ||
+                       (flags & Qt::ColorMode_Mask)==Qt::MonoOnly);
+    if (force_mono) {                         // must be monochrome
+        if (d != 1) {
+            image = image.convertToFormat(QImage::Format_MonoLSB, flags);  // dither
+            d = 1;
+        }
+    } else {                                    // can be both
+        bool conv8 = false;
+        if(d > 8 && dd <= 8) {               // convert to 8 bit
+            if ((flags & Qt::DitherMode_Mask) == Qt::AutoDither)
+                flags = (flags & ~Qt::DitherMode_Mask)
+                                   | Qt::PreferDither;
+            conv8 = true;
+        } else if ((flags & Qt::ColorMode_Mask) == Qt::ColorOnly) {
+            conv8 = d == 1;                     // native depth wanted
+        } else if (d == 1) {
+            if (image.numColors() == 2) {
+                QRgb c0 = image.color(0);       // Auto: convert to best
+                QRgb c1 = image.color(1);
+                conv8 = qMin(c0,c1) != qRgb(0,0,0) || qMax(c0,c1) != qRgb(255,255,255);
+            } else {
+                // eg. 1-color monochrome images (they do exist).
+                conv8 = true;
+            }
+        }
+        if (conv8) {
+            image = image.convertToFormat(QImage::Format_Indexed8, flags);
+            d = 8;
+        }
+    }
+
+    if (image.depth()==1) {
+        image.setColor(0, QColor(Qt::color0).rgba());
+        image.setColor(1, QColor(Qt::color1).rgba());
+    }
+
+    if (d == 16 || d == 24) {
+        image = image.convertToFormat(QImage::Format_RGB32, flags);
+        fromImage(image, flags);
+        return;
+    }
+
+    // different size or depth, make a new pixmap
+    resize(w, h);
+
+    quint32 *dptr = pixels, *drow;
+    const uint dbpr = bytesPerRow;
+
+    const QImage::Format sfmt = image.format();
+    const unsigned short sbpr = image.bytesPerLine();
+
+    // use const_cast to prevent a detach
+    const uchar *sptr = const_cast<const QImage &>(image).bits(), *srow;
+
+    for (int y = 0; y < h; ++y) {
+        drow = dptr + (y * (dbpr / 4));
+        srow = sptr + (y * sbpr);
+        switch(sfmt) {
+        case QImage::Format_MonoLSB:
+        case QImage::Format_Mono:{
+            for (int x = 0; x < w; ++x) {
+                char one_bit = *(srow + (x / 8));
+                if (sfmt == QImage::Format_Mono)
+                    one_bit = one_bit >> (7 - (x % 8));
+                else
+                    one_bit = one_bit >> (x % 8);
+                if ((one_bit & 0x01))
+                    *(drow+x) = 0x00000000;
+                else
+                    *(drow+x) = 0xFFFFFFFF;
+            }
+            break;
+        }
+        case QImage::Format_Indexed8:
+            for (int x = 0; x < w; ++x) {
+                *(drow+x) = PREMUL(image.color(*(srow + x)));
+            }
+            break;
+        case QImage::Format_RGB32:
+            for (int x = 0; x < w; ++x)
+                *(drow+x) = *(((quint32*)srow) + x) | 0xFF000000;
+            break;
+        case QImage::Format_ARGB32:
+        case QImage::Format_ARGB32_Premultiplied:
+            for (int x = 0; x < w; ++x) {
+                if(sfmt == QImage::Format_RGB32)
+                    *(drow+x) = 0xFF000000 | (*(((quint32*)srow) + x) & 0x00FFFFFF);
+                else if(sfmt == QImage::Format_ARGB32_Premultiplied)
+                    *(drow+x) = *(((quint32*)srow) + x);
+                else
+                    *(drow+x) = PREMUL(*(((quint32*)srow) + x));
+            }
+            break;
+        default:
+            qWarning("Qt: internal: Oops: Forgot a format [%d] %s:%d", sfmt,
+                     __FILE__, __LINE__);
+            break;
+        }
+    }
+    if (sfmt != QImage::Format_RGB32) { //setup the alpha
+        bool alphamap = image.depth() == 32;
+        if (sfmt == QImage::Format_Indexed8) {
+            const QVector<QRgb> rgb = image.colorTable();
+            for (int i = 0, count = image.numColors(); i < count; ++i) {
+                const int alpha = qAlpha(rgb[i]);
+                if (alpha != 0xff) {
+                    alphamap = true;
+                    break;
+                }
+            }
+        }
+        macSetHasAlpha(alphamap);
+    }
+    uninit = false;
+}
+
+int get_index(QImage * qi,QRgb mycol)
+{
+    int loopc;
+    for(loopc=0;loopc<qi->numColors();loopc++) {
+        if(qi->color(loopc)==mycol)
+            return loopc;
+    }
+    qi->setNumColors(qi->numColors()+1);
+    qi->setColor(qi->numColors(),mycol);
+    return qi->numColors();
+}
+
+QImage QMacPixmapData::toImage() const
+{
+    QImage::Format format = QImage::Format_MonoLSB;
+    if (d != 1) //Doesn't support index color modes
+        format = (has_alpha ? QImage::Format_ARGB32_Premultiplied :
+                  QImage::Format_RGB32);
+
+    QImage image(w, h, format);
+    quint32 *sptr = pixels, *srow;
+    const uint sbpr = bytesPerRow;
+    if (format == QImage::Format_MonoLSB) {
+        image.fill(0);
+        image.setNumColors(2);
+        image.setColor(0, QColor(Qt::color0).rgba());
+        image.setColor(1, QColor(Qt::color1).rgba());
+        for (int y = 0; y < h; ++y) {
+            uchar *scanLine = image.scanLine(y);
+            srow = sptr + (y * (sbpr/4));
+            for (int x = 0; x < w; ++x) {
+                if (!(*(srow + x) & RGB_MASK))
+                    scanLine[x >> 3] |= (1 << (x & 7));
+            }
+        }
+    } else {
+        for (int y = 0; y < h; ++y) {
+            srow = sptr + (y * (sbpr / 4));
+            memcpy(image.scanLine(y), srow, w * 4);
+        }
+
+    }
+
+    return image;
+}
+
+void QMacPixmapData::fill(const QColor &fillColor)
+
+{
+    { //we don't know what backend to use so we cannot paint here
+        quint32 *dptr = pixels;
+        Q_ASSERT_X(dptr, "QPixmap::fill", "No dptr");
+        const quint32 colr = PREMUL(fillColor.rgba());
+        const int nbytes = bytesPerRow * h;
+        if (!colr) {
+            memset(dptr, 0, nbytes);
+        } else {
+            for (uint i = 0; i < nbytes / sizeof(quint32); ++i)
+                *(dptr + i) = colr;
+        }
+    }
+    macSetHasAlpha(fillColor.alpha() != 255);
+}
+
+QPixmap QMacPixmapData::alphaChannel() const
+{
+    if (!has_alpha)
+        return QPixmap();
+
+    QMacPixmapData *alpha = new QMacPixmapData(PixmapType);
+    alpha->resize(w, h);
+    macGetAlphaChannel(alpha, false);
+    return QPixmap(alpha);
+}
+
+void QMacPixmapData::setAlphaChannel(const QPixmap &alpha)
+{
+    has_mask = true;
+    QMacPixmapData *alphaData = static_cast<QMacPixmapData*>(alpha.data);
+    macSetAlphaChannel(alphaData, false);
+}
+
+QBitmap QMacPixmapData::mask() const
+{
+    if (!has_mask && !has_alpha)
+        return QBitmap();
+
+    QMacPixmapData *mask = new QMacPixmapData(BitmapType);
+    mask->resize(w, h);
+    macGetAlphaChannel(mask, true);
+    return QPixmap(mask);
+}
+
+void QMacPixmapData::setMask(const QBitmap &mask)
+{
+    if (mask.isNull()) {
+        QMacPixmapData opaque(PixmapType);
+        opaque.resize(w, h);
+        opaque.fill(QColor(255, 255, 255, 255));
+        macSetAlphaChannel(&opaque, true);
+        has_alpha = has_mask = false;
+        return;
+    }
+
+    has_alpha = false;
+    has_mask = true;
+    QMacPixmapData *maskData = static_cast<QMacPixmapData*>(mask.data);
+    macSetAlphaChannel(maskData, true);
+}
+
+int QMacPixmapData::metric(QPaintDevice::PaintDeviceMetric theMetric) const
+{
+    switch (theMetric) {
+    case QPaintDevice::PdmWidth:
+        return w;
+    case QPaintDevice::PdmHeight:
+        return h;
+    case QPaintDevice::PdmWidthMM:
+        return qRound(metric(QPaintDevice::PdmWidth) * 25.4 / qreal(metric(QPaintDevice::PdmDpiX)));
+    case QPaintDevice::PdmHeightMM:
+        return qRound(metric(QPaintDevice::PdmHeight) * 25.4 / qreal(metric(QPaintDevice::PdmDpiY)));
+    case QPaintDevice::PdmNumColors:
+        return 1 << d;
+    case QPaintDevice::PdmDpiX:
+    case QPaintDevice::PdmPhysicalDpiX: {
+        extern float qt_mac_defaultDpi_x(); //qpaintdevice_mac.cpp
+        return int(qt_mac_defaultDpi_x());
+    }
+    case QPaintDevice::PdmDpiY:
+    case QPaintDevice::PdmPhysicalDpiY: {
+        extern float qt_mac_defaultDpi_y(); //qpaintdevice_mac.cpp
+        return int(qt_mac_defaultDpi_y());
+    }
+    case QPaintDevice::PdmDepth:
+        return d;
+    default:
+        qWarning("QPixmap::metric: Invalid metric command");
+    }
+    return 0;
+}
+
+QMacPixmapData::~QMacPixmapData()
+{
+    validDataPointers.remove(this);
+#ifndef QT_MAC_NO_QUICKDRAW
+    macQDDisposeAlpha();
+    if (qd_data) {
+        DisposeGWorld(qd_data);
+        qd_data = 0;
+    }
+#endif
+    if (cg_mask) {
+        CGImageRelease(cg_mask);
+        cg_mask = 0;
+    }
+
+    delete pengine;  // Make sure we aren't drawing on the context anymore.
+    if (cg_data) {
+        CGImageRelease(cg_data);
+    } else if (!cg_dataBeingReleased && pixels != pixelsToFree) {
+        free(pixels);
+    }
+    free(pixelsToFree);
+}
+
+void QMacPixmapData::macSetAlphaChannel(const QMacPixmapData *pix, bool asMask)
+{
+    if (!pixels || !h || !w || pix->w != w || pix->h != h)
+        return;
+
+    quint32 *dptr = pixels, *drow;
+    const uint dbpr = bytesPerRow;
+    const unsigned short sbpr = pix->bytesPerRow;
+    quint32 *sptr = pix->pixels, *srow;
+    for (int y=0; y < h; ++y) {
+        drow = dptr + (y * (dbpr/4));
+        srow = sptr + (y * (sbpr/4));
+        if(d == 1) {
+            for (int x=0; x < w; ++x) {
+                if((*(srow+x) & RGB_MASK))
+                    *(drow+x) = 0xFFFFFFFF;
+            }
+        } else if(d == 8) {
+            for (int x=0; x < w; ++x)
+                *(drow+x) = (*(drow+x) & RGB_MASK) | (*(srow+x) << 24);
+        } else if(asMask) {
+            for (int x=0; x < w; ++x) {
+                if(*(srow+x) & RGB_MASK)
+                    *(drow+x) = (*(drow+x) & RGB_MASK);
+                else
+                    *(drow+x) = (*(drow+x) & RGB_MASK) | 0xFF000000;
+                *(drow+x) = PREMUL(*(drow+x));
+            }
+        } else {
+            for (int x=0; x < w; ++x) {
+                const uchar alpha = qGray(qRed(*(srow+x)), qGreen(*(srow+x)), qBlue(*(srow+x)));
+                const uchar destAlpha = qt_div_255(alpha * qAlpha(*(drow+x)));
+#if 1
+                *(drow+x) = (*(drow+x) & RGB_MASK) | (destAlpha << 24);
+#else
+                *(drow+x) = qRgba(qt_div_255(qRed(*(drow+x) * alpha)),
+                                  qt_div_255(qGreen(*(drow+x) * alpha)),
+                                  qt_div_255(qBlue(*(drow+x) * alpha)), destAlpha);
+#endif
+                *(drow+x) = PREMUL(*(drow+x));
+            }
+        }
+    }
+    macSetHasAlpha(true);
+}
+
+void QMacPixmapData::macGetAlphaChannel(QMacPixmapData *pix, bool asMask) const
+{
+    quint32 *dptr = pix->pixels, *drow;
+    const uint dbpr = pix->bytesPerRow;
+    const unsigned short sbpr = bytesPerRow;
+    quint32 *sptr = pixels, *srow;
+    for(int y=0; y < h; ++y) {
+        drow = dptr + (y * (dbpr/4));
+        srow = sptr + (y * (sbpr/4));
+        if(asMask) {
+            for (int x = 0; x < w; ++x) {
+                if (*(srow + x) & qRgba(0, 0, 0, 255))
+                    *(drow + x) = 0x00000000;
+                else
+                    *(drow + x) = 0xFFFFFFFF;
+            }
+        } else {
+            for (int x = 0; x < w; ++x) {
+                const int alpha = qAlpha(*(srow + x));
+                *(drow + x) = qRgb(alpha, alpha, alpha);
+            }
+        }
+    }
+}
+
+void QMacPixmapData::macSetHasAlpha(bool b)
+{
+    has_alpha = b;
+#ifndef QT_MAC_NO_QUICKDRAW
+    macQDDisposeAlpha(); //let it get created lazily
+#endif
+    macReleaseCGImageRef();
+}
+
+#ifndef QT_MAC_NO_QUICKDRAW
+void QMacPixmapData::macQDDisposeAlpha()
+{
+    if (qd_alpha) {
+        DisposeGWorld(qd_alpha);
+        qd_alpha = 0;
+    }
+}
+
+void QMacPixmapData::macQDUpdateAlpha()
+{
+    macQDDisposeAlpha(); // get rid of alpha pixmap
+    if (!has_alpha && !has_mask)
+        return;
+
+    //setup
+    Rect rect;
+    SetRect(&rect, 0, 0, w, h);
+    const int params = alignPix | stretchPix | newDepth;
+    NewGWorld(&qd_alpha, 32, &rect, 0, 0, params);
+    int *dptr = (int *)GetPixBaseAddr(GetGWorldPixMap(qd_alpha)), *drow;
+    unsigned short dbpr = GetPixRowBytes(GetGWorldPixMap(qd_alpha));
+    const int *sptr = (int*)pixels, *srow;
+    const uint sbpr = bytesPerRow;
+    uchar clr;
+    for (int y = 0; y < h; ++y) {
+        drow = (int*)((char *)dptr + (y * dbpr));
+        srow = (int*)((char *)sptr + (y * sbpr));
+        for (int x=0; x < w; x++) {
+            clr = qAlpha(*(srow + x));
+            *(drow + x) = qRgba(~clr, ~clr, ~clr, 0);
+        }
+    }
+}
+#endif
+
+void QMacPixmapData::macCreateCGImageRef()
+{
+    Q_ASSERT(cg_data == 0);
+    //create the cg data
+    CGColorSpaceRef colorspace = QCoreGraphicsPaintEngine::macDisplayColorSpace();
+    QCFType<CGDataProviderRef> provider = CGDataProviderCreateWithData(this,
+                                                              pixels, bytesPerRow * h,
+                                                              qt_mac_cgimage_data_free);
+    validDataPointers.insert(this);
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    uint cgflags = kCGImageAlphaPremultipliedFirst;
+#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
+    if(QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
+        cgflags |= kCGBitmapByteOrder32Host;
+#endif
+#else
+    CGImageAlphaInfo cgflags = kCGImageAlphaPremultipliedFirst;
+#endif
+    cg_data = CGImageCreate(w, h, 8, 32, bytesPerRow, colorspace,
+                            cgflags, provider, 0, 0, kCGRenderingIntentDefault);
+}
+
+void QMacPixmapData::macReleaseCGImageRef()
+{
+    if (!cg_data)
+        return;  // There's nothing we need to do
+
+    cg_dataBeingReleased = cg_data;
+    CGImageRelease(cg_data);
+    cg_data = 0;
+
+    if (pixels != pixelsToFree) {
+        macCreatePixels();
+    } else {
+        pixelsToFree = 0;
+    }
+}
+
+
+// We create our space in memory to paint on here. If we already have existing pixels
+// copy them over. This is to preserve the fact that CGImageRef's are immutable.
+void QMacPixmapData::macCreatePixels()
+{
+    const int numBytes = bytesPerRow * h;
+    quint32 *base_pixels;
+    if (pixelsToFree && pixelsToFree != pixels) {
+        // Reuse unused block of memory lying around from a previous callback.
+        base_pixels = pixelsToFree;
+        pixelsToFree = 0;
+    } else {
+        // We need a block of memory to do stuff with.
+        base_pixels = static_cast<quint32 *>(malloc(numBytes));
+    }
+
+    if (pixels)
+        memcpy(base_pixels, pixels, numBytes);
+    pixels = base_pixels;
+}
+
+#if 0
+QPixmap QMacPixmapData::transformed(const QTransform &transform,
+                                    Qt::TransformationMode mode) const
+{
+    int w, h;  // size of target pixmap
+    const int ws = width();
+    const int hs = height();
+
+    QTransform mat(transform.m11(), transform.m12(),
+                   transform.m21(), transform.m22(), 0., 0.);
+    if (transform.m12() == 0.0F  && transform.m21() == 0.0F &&
+        transform.m11() >= 0.0F  && transform.m22() >= 0.0F)
+    {
+        h = int(qAbs(mat.m22()) * hs + 0.9999);
+        w = int(qAbs(mat.m11()) * ws + 0.9999);
+        h = qAbs(h);
+        w = qAbs(w);
+    } else { // rotation or shearing
+        QPolygonF a(QRectF(0,0,ws+1,hs+1));
+        a = mat.map(a);
+        QRectF r = a.boundingRect().normalized();
+        w = int(r.width() + 0.9999);
+        h = int(r.height() + 0.9999);
+    }
+    mat = QPixmap::trueMatrix(mat, ws, hs);
+    if (!h || !w)
+        return QPixmap();
+
+    // create destination
+    QMacPixmapData *pm = new QMacPixmapData(pixelType(), w, h);
+    const quint32 *sptr = pixels;
+    quint32 *dptr = pm->pixels;
+    memset(dptr, 0, (pm->bytesPerRow * pm->h));
+
+    // do the transform
+    if (mode == Qt::SmoothTransformation) {
+#warning QMacPixmapData::transformed not properly implemented
+        qWarning("QMacPixmapData::transformed not properly implemented");
+#if 0
+        QPainter p(&pm);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::SmoothPixmapTransform);
+        p.setTransform(mat);
+        p.drawPixmap(0, 0, *this);
+#endif
+    } else {
+        bool invertible;
+        mat = mat.inverted(&invertible);
+        if (!invertible)
+            return QPixmap();
+
+        const int bpp = 32;
+        const int xbpl = (w * bpp) / 8;
+        if (!qt_xForm_helper(mat, 0, QT_XFORM_TYPE_MSBFIRST, bpp,
+                             (uchar*)dptr, xbpl, (pm->bytesPerRow) - xbpl,
+                             h, (uchar*)sptr, (bytesPerRow), ws, hs)) {
+            qWarning("QMacPixmapData::transform(): failure");
+            return QPixmap();
+        }
+    }
+
+    // update the alpha
+    pm->macSetHasAlpha(true);
+    return QPixmap(pm);
+}
+#endif
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/gl.h>
+QT_END_INCLUDE_NAMESPACE
+
+// Load and resolve the symbols we need from OpenGL manually so QtGui doesn't have to link against the OpenGL framework.
+typedef CGLError (*PtrCGLChoosePixelFormat)(const CGLPixelFormatAttribute *, CGLPixelFormatObj *,  long *);
+typedef CGLError (*PtrCGLClearDrawable)(CGLContextObj);
+typedef CGLError (*PtrCGLCreateContext)(CGLPixelFormatObj, CGLContextObj, CGLContextObj *);
+typedef CGLError (*PtrCGLDestroyContext)(CGLContextObj);
+typedef CGLError (*PtrCGLDestroyPixelFormat)(CGLPixelFormatObj);
+typedef CGLError (*PtrCGLSetCurrentContext)(CGLContextObj);
+typedef CGLError (*PtrCGLSetFullScreen)(CGLContextObj);
+typedef void (*PtrglFinish)();
+typedef void (*PtrglPixelStorei)(GLenum, GLint);
+typedef void (*PtrglReadBuffer)(GLenum);
+typedef void (*PtrglReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLvoid *);
+
+static PtrCGLChoosePixelFormat ptrCGLChoosePixelFormat = 0;
+static PtrCGLClearDrawable ptrCGLClearDrawable = 0;
+static PtrCGLCreateContext ptrCGLCreateContext = 0;
+static PtrCGLDestroyContext ptrCGLDestroyContext = 0;
+static PtrCGLDestroyPixelFormat ptrCGLDestroyPixelFormat = 0;
+static PtrCGLSetCurrentContext ptrCGLSetCurrentContext = 0;
+static PtrCGLSetFullScreen ptrCGLSetFullScreen = 0;
+static PtrglFinish ptrglFinish = 0;
+static PtrglPixelStorei ptrglPixelStorei = 0;
+static PtrglReadBuffer ptrglReadBuffer = 0;
+static PtrglReadPixels ptrglReadPixels = 0;
+
+static bool resolveOpenGLSymbols()
+{
+    if (ptrCGLChoosePixelFormat == 0) {
+        QLibrary library(QLatin1String("/System/Library/Frameworks/OpenGL.framework/OpenGL"));
+        ptrCGLChoosePixelFormat = (PtrCGLChoosePixelFormat)(library.resolve("CGLChoosePixelFormat"));
+        ptrCGLClearDrawable = (PtrCGLClearDrawable)(library.resolve("CGLClearDrawable"));
+        ptrCGLCreateContext = (PtrCGLCreateContext)(library.resolve("CGLCreateContext"));
+        ptrCGLDestroyContext = (PtrCGLDestroyContext)(library.resolve("CGLDestroyContext"));
+        ptrCGLDestroyPixelFormat = (PtrCGLDestroyPixelFormat)(library.resolve("CGLDestroyPixelFormat"));
+        ptrCGLSetCurrentContext = (PtrCGLSetCurrentContext)(library.resolve("CGLSetCurrentContext"));
+        ptrCGLSetFullScreen = (PtrCGLSetFullScreen)(library.resolve("CGLSetFullScreen"));
+        ptrglFinish = (PtrglFinish)(library.resolve("glFinish"));
+        ptrglPixelStorei = (PtrglPixelStorei)(library.resolve("glPixelStorei"));
+        ptrglReadBuffer = (PtrglReadBuffer)(library.resolve("glReadBuffer"));
+        ptrglReadPixels = (PtrglReadPixels)(library.resolve("glReadPixels"));
+    }
+    return ptrCGLChoosePixelFormat && ptrCGLClearDrawable && ptrCGLCreateContext
+        && ptrCGLDestroyContext && ptrCGLDestroyPixelFormat && ptrCGLSetCurrentContext
+        && ptrCGLSetFullScreen && ptrglFinish && ptrglPixelStorei
+        && ptrglReadBuffer && ptrglReadPixels;
+}
+
+// Inverts the given pixmap in the y direction.
+static void qt_mac_flipPixmap(void *data, int rowBytes, int height)
+{
+    int bottom = height - 1;
+    void *base = data;
+    void *buffer = malloc(rowBytes);
+
+    int top = 0;
+    while ( top < bottom )
+    {
+        void *topP = (void *)((top * rowBytes) + (intptr_t)base);
+        void *bottomP = (void *)((bottom * rowBytes) + (intptr_t)base);
+
+        bcopy( topP, buffer, rowBytes );
+        bcopy( bottomP, topP, rowBytes );
+        bcopy( buffer, bottomP, rowBytes );
+
+        ++top;
+        --bottom;
+    }
+    free(buffer);
+}
+
+// Grabs displayRect from display and places it into buffer.
+static void qt_mac_grabDisplayRect(CGDirectDisplayID display, const QRect &displayRect, void *buffer)
+{
+    if (display == kCGNullDirectDisplay)
+        return;
+
+    CGLPixelFormatAttribute attribs[] = {
+        kCGLPFAFullScreen,
+        kCGLPFADisplayMask,
+        (CGLPixelFormatAttribute)0,    /* Display mask bit goes here */
+        (CGLPixelFormatAttribute)0
+    };
+
+    attribs[2] = (CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(display);
+
+    // Build a full-screen GL context
+    CGLPixelFormatObj pixelFormatObj;
+    long numPixelFormats;
+
+    ptrCGLChoosePixelFormat( attribs, &pixelFormatObj, &numPixelFormats );
+
+    if (!pixelFormatObj)    // No full screen context support
+        return;
+
+    CGLContextObj glContextObj;
+    ptrCGLCreateContext(pixelFormatObj, 0, &glContextObj);
+    ptrCGLDestroyPixelFormat(pixelFormatObj) ;
+    if (!glContextObj)
+        return;
+
+    ptrCGLSetCurrentContext(glContextObj);
+    ptrCGLSetFullScreen(glContextObj) ;
+
+    ptrglReadBuffer(GL_FRONT);
+
+    ptrglFinish(); // Finish all OpenGL commands
+    ptrglPixelStorei(GL_PACK_ALIGNMENT, 4);  // Force 4-byte alignment
+    ptrglPixelStorei(GL_PACK_ROW_LENGTH, 0);
+    ptrglPixelStorei(GL_PACK_SKIP_ROWS, 0);
+    ptrglPixelStorei(GL_PACK_SKIP_PIXELS, 0);
+
+    // Fetch the data in XRGB format, matching the bitmap context.
+    ptrglReadPixels(GLint(displayRect.x()), GLint(displayRect.y()),
+                    GLint(displayRect.width()), GLint(displayRect.height()),
+#ifdef __BIG_ENDIAN__
+                    GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buffer
+#else
+                    GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, buffer
+#endif
+        );
+
+    ptrCGLSetCurrentContext(0);
+    ptrCGLClearDrawable(glContextObj); // disassociate from full screen
+    ptrCGLDestroyContext(glContextObj); // and destroy the context
+}
+
+static CGImageRef qt_mac_createImageFromBitmapContext(CGContextRef c)
+{
+    void *rasterData = CGBitmapContextGetData(c);
+    const int width = CGBitmapContextGetBytesPerRow(c),
+             height = CGBitmapContextGetHeight(c);
+    size_t imageDataSize = width*height;
+
+    if(!rasterData)
+        return 0;
+
+    // Create the data provider from the image data, using
+    // the image releaser function releaseBitmapContextImageData.
+    CGDataProviderRef dataProvider = CGDataProviderCreateWithData(0, rasterData,
+                                                                  imageDataSize,
+                                                                  qt_mac_cgimage_data_free);
+
+    if(!dataProvider)
+        return 0;
+
+    uint bitmapInfo = 0;
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+    if(CGBitmapContextGetBitmapInfo)
+        bitmapInfo = CGBitmapContextGetBitmapInfo(c);
+    else
+#endif
+        bitmapInfo = CGBitmapContextGetAlphaInfo(c);
+    return CGImageCreate(width, height, CGBitmapContextGetBitsPerComponent(c),
+                         CGBitmapContextGetBitsPerPixel(c), CGBitmapContextGetBytesPerRow(c),
+                         CGBitmapContextGetColorSpace(c), bitmapInfo, dataProvider,
+                         0, true, kCGRenderingIntentDefault);
+}
+
+// Returns a pixmap containing the screen contents at rect.
+static QPixmap qt_mac_grabScreenRect(const QRect &rect)
+{
+    if (!resolveOpenGLSymbols())
+        return QPixmap();
+
+    const int maxDisplays = 128; // 128 displays should be enough for everyone.
+    CGDirectDisplayID displays[maxDisplays];
+    CGDisplayCount displayCount;
+    const CGRect cgRect = CGRectMake(rect.x(), rect.y(), rect.width(), rect.height());
+    const CGDisplayErr err = CGGetDisplaysWithRect(cgRect, maxDisplays, displays, &displayCount);
+
+    if (err && displayCount == 0)
+        return QPixmap();
+
+    long bytewidth = rect.width() * 4; // Assume 4 bytes/pixel for now
+    bytewidth = (bytewidth + 3) & ~3; // Align to 4 bytes
+    QVarLengthArray<char> buffer(rect.height() * bytewidth);
+
+    for (uint i = 0; i < displayCount; ++i) {
+        const CGRect bounds = CGDisplayBounds(displays[i]);
+        // Translate to display-local coordinates
+        QRect displayRect = rect.translated(qRound(-bounds.origin.x), qRound(-bounds.origin.y));
+        // Adjust for inverted y axis.
+        displayRect.moveTop(qRound(bounds.size.height) - displayRect.y() - rect.height());
+        qt_mac_grabDisplayRect(displays[i], displayRect, buffer.data());
+    }
+
+    qt_mac_flipPixmap(buffer.data(), bytewidth, rect.height());
+    QCFType<CGContextRef> bitmap = CGBitmapContextCreate(buffer.data(), rect.width(),
+                                                         rect.height(), 8, bytewidth,
+                                        QCoreGraphicsPaintEngine::macGenericColorSpace(),
+                                        kCGImageAlphaNoneSkipFirst);
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    if(QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+        QCFType<CGImageRef> image = CGBitmapContextCreateImage(bitmap);
+        return QPixmap::fromMacCGImageRef(image);
+    } else
+#endif
+    {
+        QCFType<CGImageRef> image = qt_mac_createImageFromBitmapContext(bitmap);
+        if (!image)
+            return QPixmap();
+        return QPixmap::fromMacCGImageRef(image);
+    }
+}
+
+#ifndef QT_MAC_USE_COCOA // no QuickDraw in 64-bit mode
+static QPixmap qt_mac_grabScreenRect_10_3(int x, int y, int w, int h, QWidget *widget)
+{
+    QPixmap pm = QPixmap(w, h);
+    extern WindowPtr qt_mac_window_for(const QWidget *); // qwidget_mac.cpp
+    const BitMap *windowPort = 0;
+    if((widget->windowType() == Qt::Desktop)) {
+        GDHandle gdh;
+          if(!(gdh=GetMainDevice()))
+              qDebug("Qt: internal: Unexpected condition reached: %s:%d", __FILE__, __LINE__);
+          windowPort = (BitMap*)(*(*gdh)->gdPMap);
+    } else {
+        windowPort = GetPortBitMapForCopyBits(GetWindowPort(qt_mac_window_for(widget)));
+    }
+    const BitMap *pixmapPort = GetPortBitMapForCopyBits(static_cast<GWorldPtr>(pm.macQDHandle()));
+    Rect macSrcRect, macDstRect;
+    SetRect(&macSrcRect, x, y, x + w, y + h);
+    SetRect(&macDstRect, 0, 0, w, h);
+    CopyBits(windowPort, pixmapPort, &macSrcRect, &macDstRect, srcCopy, 0);
+    return pm;
+}
+#endif
+
+QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h)
+{
+    QWidget *widget = QWidget::find(window);
+    if (widget == 0)
+        return QPixmap();
+
+    if(w == -1)
+        w = widget->width() - x;
+    if(h == -1)
+        h = widget->height() - y;
+
+    QPoint globalCoord(0, 0);
+    globalCoord = widget->mapToGlobal(globalCoord);
+    QRect rect(globalCoord.x() + x, globalCoord.y() + y, w, h);
+
+#ifdef QT_MAC_USE_COCOA
+    return qt_mac_grabScreenRect(rect);
+#else
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+        return qt_mac_grabScreenRect(rect);
+    } else
+#endif
+   {
+        return qt_mac_grabScreenRect_10_3(x, y, w, h, widget);
+   }
+#endif // ifdef Q_WS_MAC64
+}
+
+/*! \internal
+
+    Returns the QuickDraw CGrafPtr of the pixmap. 0 is returned if it can't
+    be obtained. Do not hold the pointer around for long as it can be
+    relocated.
+
+    \warning This function is only available on Mac OS X.
+*/
+
+Qt::HANDLE QPixmap::macQDHandle() const
+{
+#ifndef QT_MAC_NO_QUICKDRAW
+    QMacPixmapData *d = static_cast<QMacPixmapData*>(data);
+    if (!d->qd_data) { //create the qd data
+        Rect rect;
+        SetRect(&rect, 0, 0, d->w, d->h);
+        unsigned long qdformat = k32ARGBPixelFormat;
+        GWorldFlags qdflags = 0;
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+        if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+            //we play such games so we can use the same buffer in CG as QD this
+            //makes our merge much simpler, at some point the hacks will go away
+            //because QD will be removed, but until that day this keeps them coexisting
+            if (QSysInfo::ByteOrder == QSysInfo::LittleEndian)
+                qdformat = k32BGRAPixelFormat;
+#if 0
+            qdflags |= kNativeEndianPixMap;
+#endif
+        }
+#endif
+        if(NewGWorldFromPtr(&d->qd_data, qdformat, &rect, 0, 0, qdflags,
+                            (char*)d->pixels, d->bytesPerRow) != noErr)
+            qWarning("Qt: internal: QPixmap::init error (%d %d %d %d)", rect.left, rect.top, rect.right, rect.bottom);
+    }
+    return d->qd_data;
+#else
+    return 0;
+#endif
+}
+
+/*! \internal
+
+    Returns the QuickDraw CGrafPtr of the pixmap's alpha channel. 0 is
+    returned if it can't be obtained. Do not hold the pointer around for
+    long as it can be relocated.
+
+    \warning This function is only available on Mac OS X.
+*/
+
+Qt::HANDLE QPixmap::macQDAlphaHandle() const
+{
+#ifndef QT_MAC_NO_QUICKDRAW
+    QMacPixmapData *d = static_cast<QMacPixmapData*>(data);
+    if (d->has_alpha || d->has_mask) {
+        if (!d->qd_alpha) //lazily created
+            d->macQDUpdateAlpha();
+        return d->qd_alpha;
+    }
+#endif
+    return 0;
+}
+
+/*! \internal
+
+    Returns the CoreGraphics CGContextRef of the pixmap. 0 is returned if
+    it can't be obtained. It is the caller's responsiblity to
+    CGContextRelease the context when finished using it.
+
+    \warning This function is only available on Mac OS X.
+*/
+
+Qt::HANDLE QPixmap::macCGHandle() const
+{
+    if (data->classId() == QPixmapData::MacClass) {
+        QMacPixmapData *d = static_cast<QMacPixmapData *>(data);
+        if (!d->cg_data)
+            d->macCreateCGImageRef();
+        CGImageRef ret = d->cg_data;
+        CGImageRetain(ret);
+        return ret;
+    } else if (data->classId() == QPixmapData::RasterClass) {
+        return qt_mac_image_to_cgimage(static_cast<QRasterPixmapData *>(data)->image);
+    }
+    return 0;
+}
+
+bool QMacPixmapData::hasAlphaChannel() const
+{
+    return has_alpha;
+}
+
+CGImageRef qt_mac_create_imagemask(const QPixmap &pixmap, const QRectF &sr)
+{
+    QMacPixmapData *px = static_cast<QMacPixmapData*>(pixmap.data);
+    if (px->cg_mask) {
+        if (px->cg_mask_rect == sr) {
+            CGImageRetain(px->cg_mask); //reference for the caller
+            return px->cg_mask;
+        }
+        CGImageRelease(px->cg_mask);
+        px->cg_mask = 0;
+    }
+
+    const int sx = qRound(sr.x()), sy = qRound(sr.y()), sw = qRound(sr.width()), sh = qRound(sr.height());
+    const int sbpr = px->bytesPerRow;
+    const uint nbytes = sw * sh;
+    //  alpha is always 255 for bitmaps, ignore it in this case.
+    const quint32 mask = px->depth() == 1 ? 0x00ffffff : 0xffffffff;
+    quint8 *dptr = static_cast<quint8 *>(malloc(nbytes));
+    quint32 *sptr = px->pixels, *srow;
+    for(int y = sy, offset=0; y < sh; ++y) {
+        srow = sptr + (y * (sbpr / 4));
+        for(int x = sx; x < sw; ++x)
+            *(dptr+(offset++)) = (*(srow+x) & mask) ? 255 : 0;
+    }
+    QCFType<CGDataProviderRef> provider = CGDataProviderCreateWithData(0, dptr, nbytes, qt_mac_cgimage_data_free);
+    px->cg_mask = CGImageMaskCreate(sw, sh, 8, 8, nbytes / sh, provider, 0, 0);
+    px->cg_mask_rect = sr;
+    CGImageRetain(px->cg_mask); //reference for the caller
+    return px->cg_mask;
+}
+
+#ifndef QT_MAC_USE_COCOA
+IconRef qt_mac_create_iconref(const QPixmap &px)
+{
+    if (px.isNull())
+        return 0;
+
+    QMacSavedPortInfo pi; //save the current state
+    //create icon
+    IconFamilyHandle iconFamily = reinterpret_cast<IconFamilyHandle>(NewHandle(0));
+    //create data
+    {
+        struct {
+            OSType mac_type;
+            int width, height, depth;
+            bool mask;
+        } images[] = {
+            { kThumbnail32BitData, 128, 128, 32, false },
+            { kThumbnail8BitMask, 128, 128, 8, true },
+            { 0, 0, 0, 0, false } //end marker
+        };
+        for(int i = 0; images[i].mac_type; i++) {
+            //get QPixmap data
+            QImage scaled_px = px.toImage().scaled(images[i].width, images[i].height);
+
+            quint32 *sptr = (quint32 *) scaled_px.bits();
+            quint32 *srow;
+            uint sbpr = scaled_px.bytesPerLine();
+
+            //get Handle data
+            const int dbpr = images[i].width * (images[i].depth/8);
+            Handle hdl = NewHandle(dbpr*images[i].height);
+            if(!sptr) { //handle null pixmap
+                memset((*hdl), '\0', dbpr*images[i].height);
+            } else if(images[i].mask) {
+                if(images[i].mac_type == kThumbnail8BitMask) {
+                    for(int y = 0, hindex = 0; y < images[i].height; ++y) {
+                        srow = sptr + (y * (sbpr/4));
+                        for(int x = 0; x < images[i].width; ++x)
+                            *((*hdl)+(hindex++)) = qAlpha(*(srow+x));
+                    }
+                }
+            } else {
+                char *dest = (*hdl);
+#if defined(__i386__)
+                if(images[i].depth == 32) {
+                    for(int y = 0; y < images[i].height; ++y) {
+                        uint *source = (uint*)((const uchar*)sptr+(sbpr*y));
+                        for(int x = 0; x < images[i].width; ++x, dest += 4)
+                            *((uint*)dest) = CFSwapInt32(*(source + x));
+                    }
+                } else
+#endif
+                {
+                    for(int y = 0; y < images[i].height; ++y)
+                        memcpy(dest+(y*dbpr), ((const uchar*)sptr+(sbpr*y)), dbpr);
+                }
+            }
+
+            //set the family data to the Handle
+            OSStatus set = SetIconFamilyData(iconFamily, images[i].mac_type, hdl);
+            if(set != noErr)
+                qWarning("%s: %d -- Unable to create icon data[%d]!! %ld",
+                         __FILE__, __LINE__, i, long(set));
+            DisposeHandle(hdl);
+        }
+    }
+
+    //acquire and cleanup
+    IconRef ret;
+    static int counter = 0;
+    const OSType kQtCreator = 'CUTE';
+    RegisterIconRefFromIconFamily(kQtCreator, (OSType)counter, iconFamily, &ret);
+    AcquireIconRef(ret);
+    UnregisterIconRef(kQtCreator, (OSType)counter);
+    DisposeHandle(reinterpret_cast<Handle>(iconFamily));
+    counter++;
+    return ret;
+
+}
+#endif
+
+QPixmap qt_mac_convert_iconref(const IconRef icon, int width, int height)
+{
+    QPixmap ret(width, height);
+    ret.fill(QColor(0, 0, 0, 0));
+
+    CGRect rect = CGRectMake(0, 0, width, height);
+
+    CGContextRef ctx = qt_mac_cg_context(&ret);
+    CGAffineTransform old_xform = CGContextGetCTM(ctx);
+    CGContextConcatCTM(ctx, CGAffineTransformInvert(old_xform));
+    CGContextConcatCTM(ctx, CGAffineTransformIdentity);
+
+    ::RGBColor b;
+    b.blue = b.green = b.red = 255*255;
+    PlotIconRefInContext(ctx, &rect, kAlignNone, kTransformNone, &b, kPlotIconRefNormalFlags, icon);
+    CGContextRelease(ctx);
+    return ret;
+}
+
+/*! \internal */
+QPaintEngine* QMacPixmapData::paintEngine() const
+{
+    if (!pengine) {
+        QMacPixmapData *that = const_cast<QMacPixmapData*>(this);
+#ifdef QT_RASTER_PAINTENGINE
+        if (qgetenv("QT_MAC_USE_COREGRAPHICS").isNull())
+            that->pengine = new QRasterPaintEngine();
+        else
+            that->pengine = new QCoreGraphicsPaintEngine();
+#else
+        that->pengine = new QCoreGraphicsPaintEngine();
+#endif
+    }
+    return pengine;
+}
+
+void QMacPixmapData::copy(const QPixmapData *data, const QRect &rect)
+{
+    if (data->pixelType() == BitmapType) {
+        QBitmap::fromImage(toImage().copy(rect));
+        return;
+    }
+
+    const QMacPixmapData *macData = static_cast<const QMacPixmapData*>(data);
+
+    resize(rect.width(), rect.height());
+
+    has_alpha = macData->has_alpha;
+    has_mask = macData->has_mask;
+    uninit = false;
+
+    const int x = rect.x();
+    const int y = rect.y();
+    char *dest = reinterpret_cast<char*>(pixels);
+    const char *src = reinterpret_cast<const char*>(macData->pixels + x) + y * macData->bytesPerRow;
+    for (int i = 0; i < h; ++i) {
+        memcpy(dest, src, w * 4);
+        dest += bytesPerRow;
+        src += macData->bytesPerRow;
+    }
+
+    has_alpha = macData->has_alpha;
+    has_mask = macData->has_mask;
+}
+
+bool QMacPixmapData::scroll(int dx, int dy, const QRect &rect)
+{
+    Q_UNUSED(dx);
+    Q_UNUSED(dy);
+    Q_UNUSED(rect);
+    return false;
+}
+
+/*!
+    \since 4.2
+
+    Creates a \c CGImageRef equivalent to the QPixmap. Returns the \c CGImageRef handle.
+
+    It is the caller's responsibility to release the \c CGImageRef data
+    after use.
+
+    \warning This function is only available on Mac OS X.
+
+    \sa fromMacCGImageRef()
+*/
+CGImageRef QPixmap::toMacCGImageRef() const
+{
+    return (CGImageRef)macCGHandle();
+}
+
+/*!
+    \since 4.2
+
+    Returns a QPixmap that is equivalent to the given \a image.
+
+    \warning This function is only available on Mac OS X.
+
+    \sa toMacCGImageRef(), {QPixmap#Pixmap Conversion}{Pixmap Conversion}
+*/
+QPixmap QPixmap::fromMacCGImageRef(CGImageRef image)
+{
+    const size_t w = CGImageGetWidth(image),
+                 h = CGImageGetHeight(image);
+    QPixmap ret(w, h);
+    CGRect rect = CGRectMake(0, 0, w, h);
+    CGContextRef ctx = qt_mac_cg_context(&ret);
+    qt_mac_drawCGImage(ctx, &rect, image);
+    CGContextRelease(ctx);
+    return ret;
+}
+
+QT_END_NAMESPACE