Long live Qt for S60!

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diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h
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+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDRAWHELPER_P_H
+#define QDRAWHELPER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qglobal.h"
+#include "QtGui/qcolor.h"
+#include "QtGui/qpainter.h"
+#include "QtGui/qimage.h"
+#ifndef QT_FT_BEGIN_HEADER
+#define QT_FT_BEGIN_HEADER
+#define QT_FT_END_HEADER
+#endif
+#include "private/qrasterdefs_p.h"
+
+#ifdef Q_WS_QWS
+#include "QtGui/qscreen_qws.h"
+#endif
+
+// Disable MMX and SSE on Mac/PPC builds, or if the compiler
+// does not support -Xarch argument passing
+#if defined(QT_NO_MAC_XARCH) || (defined(Q_OS_DARWIN) && (defined(__ppc__) || defined(__ppc64__)))
+#undef QT_HAVE_SSE2
+#undef QT_HAVE_SSE
+#undef QT_HAVE_3DNOW
+#undef QT_HAVE_MMX
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#if defined(Q_CC_MSVC) && _MSCVER <= 1300 && !defined(Q_CC_INTEL)
+#define Q_STATIC_TEMPLATE_SPECIALIZATION static
+#else
+#define Q_STATIC_TEMPLATE_SPECIALIZATION
+#endif
+
+#if defined(Q_CC_RVCT)
+// RVCT doesn't like static template functions
+#  define Q_STATIC_TEMPLATE_FUNCTION
+#  define Q_STATIC_INLINE_FUNCTION inline
+#else
+#  define Q_STATIC_TEMPLATE_FUNCTION static
+#  define Q_STATIC_INLINE_FUNCTION static inline
+#endif
+
+/*******************************************************************************
+ * QSpan
+ *
+ * duplicate definition of FT_Span
+ */
+typedef QT_FT_Span QSpan;
+
+struct QSolidData;
+struct QTextureData;
+struct QGradientData;
+struct QLinearGradientData;
+struct QRadialGradientData;
+struct QConicalGradientData;
+struct QSpanData;
+class QGradient;
+class QRasterBuffer;
+class QClipData;
+
+typedef QT_FT_SpanFunc ProcessSpans;
+typedef void (*BitmapBlitFunc)(QRasterBuffer *rasterBuffer,
+                               int x, int y, quint32 color,
+                               const uchar *bitmap,
+                               int mapWidth, int mapHeight, int mapStride);
+
+typedef void (*AlphamapBlitFunc)(QRasterBuffer *rasterBuffer,
+                                 int x, int y, quint32 color,
+                                 const uchar *bitmap,
+                                 int mapWidth, int mapHeight, int mapStride,
+                                 const QClipData *clip);
+
+typedef void (*AlphaRGBBlitFunc)(QRasterBuffer *rasterBuffer,
+                                 int x, int y, quint32 color,
+                                 const uint *rgbmask,
+                                 int mapWidth, int mapHeight, int mapStride,
+                                 const QClipData *clip);
+
+typedef void (*RectFillFunc)(QRasterBuffer *rasterBuffer,
+                             int x, int y, int width, int height,
+                             quint32 color);
+
+typedef void (*SrcOverBlendFunc)(uchar *destPixels, int dbpl,
+                                 const uchar *src, int spbl,
+                                 int w, int h,
+                                 int const_alpha);
+
+typedef void (*SrcOverScaleFunc)(uchar *destPixels, int dbpl,
+                                 const uchar *src, int spbl,
+                                 const QRectF &targetRect,
+                                 const QRectF &sourceRect,
+                                 const QRect &clipRect,
+                                 int const_alpha);
+
+
+struct DrawHelper {
+    ProcessSpans blendColor;
+    ProcessSpans blendGradient;
+    BitmapBlitFunc bitmapBlit;
+    AlphamapBlitFunc alphamapBlit;
+    AlphaRGBBlitFunc alphaRGBBlit;
+    RectFillFunc fillRect;
+};
+
+extern SrcOverBlendFunc qBlendFunctions[QImage::NImageFormats][QImage::NImageFormats];
+extern SrcOverScaleFunc qScaleFunctions[QImage::NImageFormats][QImage::NImageFormats];
+
+extern DrawHelper qDrawHelper[QImage::NImageFormats];
+
+void qBlendTexture(int count, const QSpan *spans, void *userData);
+#if defined(Q_WS_QWS) && !defined(QT_NO_RASTERCALLBACKS)
+extern DrawHelper qDrawHelperCallback[QImage::NImageFormats];
+void qBlendTextureCallback(int count, const QSpan *spans, void *userData);
+#endif
+
+typedef void (QT_FASTCALL *CompositionFunction)(uint *dest, const uint *src, int length, uint const_alpha);
+typedef void (QT_FASTCALL *CompositionFunctionSolid)(uint *dest, int length, uint color, uint const_alpha);
+
+void qInitDrawhelperAsm();
+
+class QRasterPaintEngine;
+
+struct QSolidData
+{
+    uint color;
+};
+
+struct QLinearGradientData
+{
+    struct {
+        qreal x;
+        qreal y;
+    } origin;
+    struct {
+        qreal x;
+        qreal y;
+    } end;
+};
+
+struct QRadialGradientData
+{
+    struct {
+        qreal x;
+        qreal y;
+    } center;
+    struct {
+        qreal x;
+        qreal y;
+    } focal;
+    qreal radius;
+};
+
+struct QConicalGradientData
+{
+    struct {
+        qreal x;
+        qreal y;
+    } center;
+    qreal angle;
+};
+
+struct QGradientData
+{
+    QGradient::Spread spread;
+
+    union {
+        QLinearGradientData linear;
+        QRadialGradientData radial;
+        QConicalGradientData conical;
+    };
+
+#ifdef Q_WS_QWS
+#define GRADIENT_STOPTABLE_SIZE 256
+#else
+#define GRADIENT_STOPTABLE_SIZE 1024
+#endif
+
+    uint* colorTable; //[GRADIENT_STOPTABLE_SIZE];
+
+    uint alphaColor : 1;
+};
+
+struct QTextureData
+{
+    const uchar *imageData;
+    const uchar *scanLine(int y) const { return imageData + y*bytesPerLine; }
+
+    int width;
+    int height;
+    // clip rect
+    int x1;
+    int y1;
+    int x2;
+    int y2;
+    int bytesPerLine;
+    QImage::Format format;
+    const QVector<QRgb> *colorTable;
+    bool hasAlpha;
+    enum Type {
+        Plain,
+        Tiled
+    };
+    Type type;
+    int const_alpha;
+};
+
+struct QSpanData
+{
+    QSpanData() : tempImage(0) {}
+    ~QSpanData() { delete tempImage; }
+
+    QRasterBuffer *rasterBuffer;
+#ifdef Q_WS_QWS
+    QRasterPaintEngine *rasterEngine;
+#endif
+    ProcessSpans blend;
+    ProcessSpans unclipped_blend;
+    BitmapBlitFunc bitmapBlit;
+    AlphamapBlitFunc alphamapBlit;
+    AlphaRGBBlitFunc alphaRGBBlit;
+    RectFillFunc fillRect;
+    qreal m11, m12, m13, m21, m22, m23, m33, dx, dy;   // inverse xform matrix
+    const QClipData *clip;
+    enum Type {
+        None,
+        Solid,
+        LinearGradient,
+        RadialGradient,
+        ConicalGradient,
+        Texture
+    } type : 8;
+    int txop : 8;
+    int fast_matrix : 1;
+    bool bilinear;
+    QImage *tempImage;
+    union {
+        QSolidData solid;
+        QGradientData gradient;
+        QTextureData texture;
+    };
+
+    void init(QRasterBuffer *rb, const QRasterPaintEngine *pe);
+    void setup(const QBrush &brush, int alpha);
+    void setupMatrix(const QTransform &matrix, int bilinear);
+    void initTexture(const QImage *image, int alpha, QTextureData::Type = QTextureData::Plain, const QRect &sourceRect = QRect());
+    void adjustSpanMethods();
+};
+
+
+static inline uint BYTE_MUL_RGB16(uint x, uint a) {
+    a += 1;
+    uint t = (((x & 0x07e0)*a) >> 8) & 0x07e0;
+    t |= (((x & 0xf81f)*(a>>2)) >> 6) & 0xf81f;
+    return t;
+}
+
+static inline uint BYTE_MUL_RGB16_32(uint x, uint a) {
+    uint t = (((x & 0xf81f07e0) >> 5)*a) & 0xf81f07e0;
+    t |= (((x & 0x07e0f81f)*a) >> 5) & 0x07e0f81f;
+    return t;
+}
+
+Q_STATIC_INLINE_FUNCTION uint BYTE_MUL(uint x, uint a) {
+    uint t = (x & 0xff00ff) * a;
+    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
+    t &= 0xff00ff;
+
+    x = ((x >> 8) & 0xff00ff) * a;
+    x = (x + ((x >> 8) & 0xff00ff) + 0x800080);
+    x &= 0xff00ff00;
+    x |= t;
+    return x;
+}
+
+static inline uint PREMUL(uint x) {
+    uint a = x >> 24;
+    uint t = (x & 0xff00ff) * a;
+    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
+    t &= 0xff00ff;
+
+    x = ((x >> 8) & 0xff) * a;
+    x = (x + ((x >> 8) & 0xff) + 0x80);
+    x &= 0xff00;
+    x |= t | (a << 24);
+    return x;
+}
+
+#define INV_PREMUL(p)                                   \
+    (qAlpha(p) == 0 ? 0 :                               \
+    ((qAlpha(p) << 24)                                  \
+     | (((255*qRed(p))/ qAlpha(p)) << 16)               \
+     | (((255*qGreen(p)) / qAlpha(p))  << 8)            \
+     | ((255*qBlue(p)) / qAlpha(p))))
+
+template <class DST, class SRC>
+inline DST qt_colorConvert(SRC color, DST dummy)
+{
+    Q_UNUSED(dummy);
+    return DST(color);
+}
+
+
+template <>
+inline quint32 qt_colorConvert(quint16 color, quint32 dummy)
+{
+    Q_UNUSED(dummy);
+    const int r = (color & 0xf800);
+    const int g = (color & 0x07e0);
+    const int b = (color & 0x001f);
+    const int tr = (r >> 8) | (r >> 13);
+    const int tg = (g >> 3) | (g >> 9);
+    const int tb = (b << 3) | (b >> 2);
+
+    return qRgb(tr, tg, tb);
+}
+
+template <>
+inline quint16 qt_colorConvert(quint32 color, quint16 dummy)
+{
+    Q_UNUSED(dummy);
+    const int r = qRed(color) << 8;
+    const int g = qGreen(color) << 3;
+    const int b = qBlue(color) >> 3;
+
+    return (r & 0xf800) | (g & 0x07e0)| (b & 0x001f);
+}
+
+class quint32p
+{
+public:
+    inline quint32p(quint32 v) : data(PREMUL(v)) {}
+
+    inline operator quint32() const { return data; }
+
+    inline operator quint16() const
+    {
+        return qt_colorConvert<quint16, quint32>(data, 0);
+    }
+
+    static inline quint32p fromRawData(quint32 v)
+    {
+        quint32p p;
+        p.data = v;
+        return p;
+    }
+
+private:
+    quint32p() {}
+    quint32 data;
+} Q_PACKED;
+
+class qabgr8888
+{
+public:
+    inline qabgr8888(quint32 v)
+    {
+        data = qRgba(qBlue(v), qGreen(v), qRed(v), qAlpha(v));
+    }
+
+    inline bool operator==(const qabgr8888 &v) const { return data == v.data; }
+
+private:
+    quint32 data;
+} Q_PACKED;
+
+class qrgb565;
+
+class qargb8565
+{
+public:
+    static inline bool hasAlpha() { return true; }
+
+    inline qargb8565() {}
+    inline qargb8565(quint32 v);
+    inline explicit qargb8565(quint32p v);
+    inline qargb8565(const qargb8565 &v);
+    inline qargb8565(const qrgb565 &v);
+
+    inline operator quint32() const;
+    inline operator quint16() const;
+
+    inline quint8 alpha() const { return data[0]; }
+    inline qargb8565 truncedAlpha() {
+        data[0] &= 0xf8;
+        data[1] &= 0xdf;
+        return *this;
+    }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 3; }
+    static inline quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }
+
+    inline qargb8565 byte_mul(quint8 a) const;
+    inline qargb8565 operator+(qargb8565 v) const;
+    inline bool operator==(const qargb8565 &v) const;
+
+    inline quint32 rawValue() const;
+
+private:
+    friend class qrgb565;
+
+    quint8 data[3];
+} Q_PACKED;
+
+class qrgb565
+{
+public:
+    static inline bool hasAlpha() { return false; }
+
+    qrgb565(int v = 0) : data(v) {}
+
+    inline explicit qrgb565(quint32p v);
+    inline explicit qrgb565(quint32 v);
+    inline explicit qrgb565(qargb8565 v);
+
+    inline operator quint32() const;
+    inline operator quint16() const;
+
+    inline qrgb565 operator+(qrgb565 v) const;
+
+    inline quint8 alpha() const { return 0xff; }
+    inline qrgb565 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 3; }
+    static inline quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }
+
+    inline qrgb565 byte_mul(quint8 a) const;
+
+    inline bool operator==(const qrgb565 &v) const;
+    inline quint16 rawValue() const { return data; }
+
+private:
+    friend class qargb8565;
+
+    quint16 data;
+} Q_PACKED;
+
+qargb8565::qargb8565(quint32 v)
+{
+    *this = qargb8565(quint32p(v));
+}
+
+qargb8565::qargb8565(quint32p v)
+{
+    data[0] = qAlpha(v);
+    const int r = qRed(v);
+    const int g = qGreen(v);
+    const int b = qBlue(v);
+    data[1] = ((g << 3) & 0xe0) | (b >> 3);
+    data[2] = (r & 0xf8) | (g >> 5);
+}
+
+qargb8565::qargb8565(const qargb8565 &v)
+{
+    data[0] = v.data[0];
+    data[1] = v.data[1];
+    data[2] = v.data[2];
+}
+
+qargb8565::qargb8565(const qrgb565 &v)
+{
+    data[0] = 0xff;
+    data[1] = v.data & 0xff;
+    data[2] = v.data >> 8;
+}
+
+qargb8565::operator quint32() const
+{
+    const quint16 rgb = (data[2] << 8) | data[1];
+    const int a = data[0];
+    const int r = (rgb & 0xf800);
+    const int g = (rgb & 0x07e0);
+    const int b = (rgb & 0x001f);
+    const int tr = qMin(a, (r >> 8) | (r >> 13));
+    const int tg = qMin(a, (g >> 3) | (g >> 9));
+    const int tb = qMin(a, (b << 3) | (b >> 2));
+    return qRgba(tr, tg, tb, data[0]);
+}
+
+qargb8565::operator quint16() const
+{
+    return (data[2] << 8) | data[1];
+}
+
+qargb8565 qargb8565::operator+(qargb8565 v) const
+{
+    qargb8565 t;
+    t.data[0] = data[0] + v.data[0];
+    const quint16 rgb =  ((data[2] + v.data[2]) << 8)
+                         + (data[1] + v.data[1]);
+    t.data[1] = rgb & 0xff;
+    t.data[2] = rgb >> 8;
+    return t;
+}
+
+qargb8565 qargb8565::byte_mul(quint8 a) const
+{
+    qargb8565 result;
+    result.data[0] = (data[0] * a) >> 5;
+
+    const quint16 x = (data[2] << 8) | data[1];
+    const quint16 t = ((((x & 0x07e0) >> 5) * a) & 0x07e0) |
+                      ((((x & 0xf81f) * a) >> 5) & 0xf81f);
+    result.data[1] = t & 0xff;
+    result.data[2] = t >> 8;
+    return result;
+}
+
+bool qargb8565::operator==(const qargb8565 &v) const
+{
+    return data[0] == v.data[0]
+        && data[1] == v.data[1]
+        && data[2] == v.data[2];
+}
+
+quint32 qargb8565::rawValue() const
+{
+    return (data[2] << 16) | (data[1] << 8) | data[0];
+}
+
+qrgb565::qrgb565(quint32p v)
+{
+    *this = qrgb565(quint32(v));
+}
+
+qrgb565::qrgb565(quint32 v)
+{
+    const int r = qRed(v) << 8;
+    const int g = qGreen(v) << 3;
+    const int b = qBlue(v) >> 3;
+
+    data = (r & 0xf800) | (g & 0x07e0)| (b & 0x001f);
+}
+
+qrgb565::qrgb565(qargb8565 v)
+{
+    data = (v.data[2] << 8) | v.data[1];
+}
+
+qrgb565::operator quint32() const
+{
+    const int r = (data & 0xf800);
+    const int g = (data & 0x07e0);
+    const int b = (data & 0x001f);
+    const int tr = (r >> 8) | (r >> 13);
+    const int tg = (g >> 3) | (g >> 9);
+    const int tb = (b << 3) | (b >> 2);
+    return qRgb(tr, tg, tb);
+}
+
+qrgb565::operator quint16() const
+{
+    return data;
+}
+
+qrgb565 qrgb565::operator+(qrgb565 v) const
+{
+    qrgb565 t;
+    t.data = data + v.data;
+    return t;
+}
+
+qrgb565 qrgb565::byte_mul(quint8 a) const
+{
+    qrgb565 result;
+    result.data = ((((data & 0x07e0) >> 5) * a) & 0x07e0) |
+                  ((((data & 0xf81f) * a) >> 5) & 0xf81f);
+    return result;
+}
+
+bool qrgb565::operator==(const qrgb565 &v) const
+{
+    return data == v.data;
+}
+
+class qbgr565
+{
+public:
+    inline qbgr565(quint16 v)
+    {
+        data = ((v & 0x001f) << 11) |
+               (v & 0x07e0) |
+               ((v & 0xf800) >> 11);
+    }
+
+    inline bool operator==(const qbgr565 &v) const
+    {
+        return data == v.data;
+    }
+
+private:
+    quint16 data;
+} Q_PACKED;
+
+class qrgb555;
+
+class qargb8555
+{
+public:
+    static inline bool hasAlpha() { return true; }
+
+    qargb8555() {}
+    inline qargb8555(quint32 v);
+    inline explicit qargb8555(quint32p v);
+    inline qargb8555(const qargb8555 &v);
+    inline qargb8555(const qrgb555 &v);
+
+    inline operator quint32() const;
+
+    inline quint8 alpha() const { return data[0]; }
+    inline qargb8555 truncedAlpha() { data[0] &= 0xf8; return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 3; }
+    static inline quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }
+
+    inline qargb8555 operator+(qargb8555 v) const;
+    inline qargb8555 byte_mul(quint8 a) const;
+
+    inline bool operator==(const qargb8555 &v) const;
+
+    inline quint32 rawValue() const;
+
+private:
+    friend class qrgb555;
+    quint8 data[3];
+} Q_PACKED;
+
+class qrgb555
+{
+public:
+    static inline bool hasAlpha() { return false; }
+
+    inline qrgb555(int v = 0) : data(v) {}
+
+    inline explicit qrgb555(quint32p v) { *this = qrgb555(quint32(v)); }
+
+    inline explicit qrgb555(quint32 v)
+    {
+        const int r = qRed(v) << 7;
+        const int g = qGreen(v) << 2;
+        const int b = qBlue(v) >> 3;
+
+        data = (r & 0x7c00) | (g & 0x03e0) | (b & 0x001f);
+    }
+
+    inline explicit qrgb555(quint16 v)
+    {
+        data = ((v >> 1) & (0x7c00 | 0x03e0)) |
+               (v & 0x001f);
+    }
+
+    inline explicit qrgb555(const qargb8555 &v);
+
+    inline operator quint32() const
+    {
+        const int r = (data & 0x7c00);
+        const int g = (data & 0x03e0);
+        const int b = (data & 0x001f);
+        const int tr = (r >> 7) | (r >> 12);
+        const int tg = (g >> 2) | (g >> 7);
+        const int tb = (b << 3) | (b >> 2);
+
+        return qRgb(tr, tg, tb);
+    }
+
+    inline operator quint16() const
+    {
+        const int r = ((data & 0x7c00) << 1) & 0xf800;
+        const int g = (((data & 0x03e0) << 1) | ((data >> 4) & 0x0020)) & 0x07e0;
+        const int b = (data & 0x001f);
+
+        return r | g | b;
+    }
+
+    inline qrgb555 operator+(qrgb555 v) const;
+    inline qrgb555 byte_mul(quint8 a) const;
+
+    inline quint8 alpha() const { return 0xff; }
+    inline qrgb555 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 3; }
+    static inline quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }
+
+    inline bool operator==(const qrgb555 &v) const { return v.data == data; }
+    inline bool operator!=(const qrgb555 &v) const { return v.data != data; }
+
+    inline quint16 rawValue() const { return data; }
+
+private:
+    friend class qargb8555;
+    friend class qbgr555;
+    quint16 data;
+
+} Q_PACKED;
+
+qrgb555::qrgb555(const qargb8555 &v)
+{
+    data = (v.data[2] << 8) | v.data[1];
+}
+
+qrgb555 qrgb555::operator+(qrgb555 v) const
+{
+    qrgb555 t;
+    t.data = data + v.data;
+    return t;
+}
+
+qrgb555 qrgb555::byte_mul(quint8 a) const
+{
+    quint16 t = (((data & 0x3e0) * a) >> 5) & 0x03e0;
+    t |= (((data & 0x7c1f) * a) >> 5) & 0x7c1f;
+
+    qrgb555 result;
+    result.data = t;
+    return result;
+}
+
+class qbgr555
+{
+public:
+    inline qbgr555(quint32 v) { *this = qbgr555(qrgb555(v)); }
+
+    inline qbgr555(qrgb555 v)
+    {
+        data = ((v.data & 0x001f) << 10) |
+               (v.data & 0x03e0) |
+               ((v.data & 0x7c00) >> 10);
+    }
+
+    inline bool operator==(const qbgr555 &v) const
+    {
+        return data == v.data;
+    }
+
+private:
+    quint16 data;
+} Q_PACKED;
+
+qargb8555::qargb8555(quint32 v)
+{
+    v = quint32p(v);
+    data[0] = qAlpha(v);
+    const int r = qRed(v);
+    const int g = qGreen(v);
+    const int b = qBlue(v);
+    data[1] = ((g << 2) & 0xe0) | (b >> 3);
+    data[2] = ((r >> 1) & 0x7c) | (g >> 6);
+
+}
+
+qargb8555::qargb8555(quint32p v)
+{
+    data[0] = qAlpha(v);
+    const int r = qRed(v);
+    const int g = qGreen(v);
+    const int b = qBlue(v);
+    data[1] = ((g << 2) & 0xe0) | (b >> 3);
+    data[2] = ((r >> 1) & 0x7c) | (g >> 6);
+}
+
+qargb8555::qargb8555(const qargb8555 &v)
+{
+    data[0] = v.data[0];
+    data[1] = v.data[1];
+    data[2] = v.data[2];
+}
+
+qargb8555::qargb8555(const qrgb555 &v)
+{
+    data[0] = 0xff;
+    data[1] = v.data & 0xff;
+    data[2] = v.data >> 8;
+}
+
+qargb8555::operator quint32() const
+{
+    const quint16 rgb = (data[2] << 8) | data[1];
+    const int r = (rgb & 0x7c00);
+    const int g = (rgb & 0x03e0);
+    const int b = (rgb & 0x001f);
+    const int tr = (r >> 7) | (r >> 12);
+    const int tg = (g >> 2) | (g >> 7);
+    const int tb = (b << 3) | (b >> 2);
+
+    return qRgba(tr, tg, tb, data[0]);
+}
+
+bool qargb8555::operator==(const qargb8555 &v) const
+{
+    return data[0] == v.data[0]
+        && data[1] == v.data[1]
+        && data[2] == v.data[2];
+}
+
+quint32 qargb8555::rawValue() const
+{
+    return (data[2] << 16) | (data[1] << 8) | data[0];
+}
+
+qargb8555 qargb8555::operator+(qargb8555 v) const
+{
+    qargb8555 t;
+    t.data[0] = data[0] + v.data[0];
+    const quint16 rgb =  ((data[2] + v.data[2]) << 8)
+                         + (data[1] + v.data[1]);
+    t.data[1] = rgb & 0xff;
+    t.data[2] = rgb >> 8;
+    return t;
+}
+
+qargb8555 qargb8555::byte_mul(quint8 a) const
+{
+    qargb8555 result;
+    result.data[0] = (data[0] * a) >> 5;
+
+    const quint16 x = (data[2] << 8) | data[1];
+    quint16 t = (((x & 0x3e0) * a) >> 5) & 0x03e0;
+    t |= (((x & 0x7c1f) * a) >> 5) & 0x7c1f;
+    result.data[1] = t & 0xff;
+    result.data[2] = t >> 8;
+    return result;
+
+}
+
+class qrgb666;
+
+class qargb6666
+{
+public:
+    static inline bool hasAlpha() { return true; }
+
+    inline qargb6666() {}
+    inline qargb6666(quint32 v) { *this = qargb6666(quint32p(v)); }
+    inline explicit qargb6666(quint32p v);
+    inline qargb6666(const qargb6666 &v);
+    inline qargb6666(const qrgb666 &v);
+
+    inline operator quint32 () const;
+
+    inline quint8 alpha() const;
+    inline qargb6666 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 2; }
+    static inline quint8 ialpha(quint8 a) { return (255 - a + 1) >> 2; }
+
+    inline qargb6666 byte_mul(quint8 a) const;
+    inline qargb6666 operator+(qargb6666 v) const;
+    inline bool operator==(const qargb6666 &v) const;
+
+    inline quint32 rawValue() const;
+
+private:
+    friend class qrgb666;
+    quint8 data[3];
+
+} Q_PACKED;
+
+class qrgb666
+{
+public:
+    static inline bool hasAlpha() { return false; }
+
+    inline qrgb666() {}
+    inline qrgb666(quint32 v);
+    inline qrgb666(const qargb6666 &v);
+
+    inline operator quint32 () const;
+
+    inline quint8 alpha() const { return 0xff; }
+    inline qrgb666 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 2; }
+    static inline quint8 ialpha(quint8 a) { return (255 - a + 1) >> 2; }
+
+    inline qrgb666 operator+(qrgb666 v) const;
+    inline qrgb666 byte_mul(quint8 a) const;
+
+    inline bool operator==(const qrgb666 &v) const;
+    inline bool operator!=(const qrgb666 &v) const { return !(*this == v); }
+
+    inline quint32 rawValue() const
+    {
+        return (data[2] << 16) | (data[1] << 8) | data[0];
+    }
+
+private:
+    friend class qargb6666;
+
+    quint8 data[3];
+} Q_PACKED;
+
+qrgb666::qrgb666(quint32 v)
+{
+    const uchar b = qBlue(v);
+    const uchar g = qGreen(v);
+    const uchar r = qRed(v);
+    const uint p = (b >> 2) | ((g >> 2) << 6) | ((r >> 2) << 12);
+    data[0] = qBlue(p);
+    data[1] = qGreen(p);
+    data[2] = qRed(p);
+}
+
+qrgb666::qrgb666(const qargb6666 &v)
+{
+    data[0] = v.data[0];
+    data[1] = v.data[1];
+    data[2] = v.data[2] & 0x03;
+}
+
+qrgb666::operator quint32 () const
+{
+    const uchar r = (data[2] << 6) | ((data[1] & 0xf0) >> 2) | (data[2] & 0x3);
+    const uchar g = (data[1] << 4) | ((data[0] & 0xc0) >> 4) | ((data[1] & 0x0f) >> 2);
+    const uchar b = (data[0] << 2) | ((data[0] & 0x3f) >> 4);
+    return qRgb(r, g, b);
+}
+
+qrgb666 qrgb666::operator+(qrgb666 v) const
+{
+    const quint32 x1 = (data[2] << 16) | (data[1] << 8) | data[0];
+    const quint32 x2 = (v.data[2] << 16) | (v.data[1] << 8) | v.data[0];
+    const quint32 t = x1 + x2;
+    qrgb666 r;
+    r.data[0] = t & 0xff;
+    r.data[1] = (t >> 8) & 0xff;
+    r.data[2] = (t >> 16) & 0xff;
+    return r;
+}
+
+qrgb666 qrgb666::byte_mul(quint8 a) const
+{
+    const quint32 x = (data[2] << 16) | (data[1] << 8) | data[0];
+    const quint32 t = ((((x & 0x03f03f) * a) >> 6) & 0x03f03f) |
+                      ((((x & 0x000fc0) * a) >> 6) & 0x000fc0);
+
+    qrgb666 r;
+    r.data[0] = t & 0xff;
+    r.data[1] = (t >> 8) & 0xff;
+    r.data[2] = (t >> 16) & 0xff;
+    return r;
+}
+
+bool qrgb666::operator==(const qrgb666 &v) const
+{
+    return (data[0] == v.data[0] &&
+            data[1] == v.data[1] &&
+            data[2] == v.data[2]);
+}
+
+qargb6666::qargb6666(quint32p v)
+{
+    const quint8 b = qBlue(v) >> 2;
+    const quint8 g = qGreen(v) >> 2;
+    const quint8 r = qRed(v) >> 2;
+    const quint8 a = qAlpha(v) >> 2;
+    const uint p = (a << 18) | (r << 12) | (g << 6) | b;
+    data[0] = qBlue(p);
+    data[1] = qGreen(p);
+    data[2] = qRed(p);
+}
+
+qargb6666::qargb6666(const qargb6666 &v)
+{
+    data[0] = v.data[0];
+    data[1] = v.data[1];
+    data[2] = v.data[2];
+}
+
+qargb6666::qargb6666(const qrgb666 &v)
+{
+    data[0] = v.data[0];
+    data[1] = v.data[1];
+    data[2] = (v.data[2] | 0xfc);
+}
+
+qargb6666::operator quint32 () const
+{
+    const quint8 r = (data[2] << 6) | ((data[1] & 0xf0) >> 2) | (data[2] & 0x3);
+    const quint8 g = (data[1] << 4) | ((data[0] & 0xc0) >> 4) | ((data[1] & 0x0f) >> 2);
+    const quint8 b = (data[0] << 2) | ((data[0] & 0x3f) >> 4);
+    const quint8 a = (data[2] & 0xfc) | (data[2] >> 6);
+    return qRgba(r, g, b, a);
+}
+
+qargb6666 qargb6666::operator+(qargb6666 v) const
+{
+    const quint32 x1 = (data[2] << 16) | (data[1] << 8) | data[0];
+    const quint32 x2 = (v.data[2] << 16) | (v.data[1] << 8) | v.data[0];
+    const quint32 t = x1 + x2;
+    qargb6666 r;
+    r.data[0] = t & 0xff;
+    r.data[1] = (t >> 8) & 0xff;
+    r.data[2] = (t >> 16) & 0xff;
+    return r;
+}
+
+quint8 qargb6666::alpha() const
+{
+    return (data[2] & 0xfc) | (data[2] >> 6);
+}
+
+inline qargb6666 qargb6666::byte_mul(quint8 a) const
+{
+    const quint32 x = (data[2] << 16) | (data[1] << 8) | data[0];
+    const quint32 t = ((((x & 0x03f03f) * a) >> 6) & 0x03f03f) |
+                      ((((x & 0xfc0fc0) * a) >> 6) & 0xfc0fc0);
+
+    qargb6666 r;
+    r.data[0] = t & 0xff;
+    r.data[1] = (t >> 8) & 0xff;
+    r.data[2] = (t >> 16) & 0xff;
+    return r;
+}
+
+bool qargb6666::operator==(const qargb6666 &v) const
+{
+    return data[0] == v.data[0]
+        && data[1] == v.data[1]
+        && data[2] == v.data[2];
+}
+
+quint32 qargb6666::rawValue() const
+{
+    return (data[2] << 16) | (data[1] << 8) | data[0];
+}
+
+class qrgb888
+{
+public:
+    static inline bool hasAlpha() { return false; }
+
+    inline qrgb888() {}
+    inline qrgb888(quint32 v);
+
+    inline operator quint32() const;
+
+    inline quint8 alpha() const { return 0xff; }
+    inline qrgb888 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return a; }
+    static inline quint8 ialpha(quint8 a) { return 255 - a; }
+
+    inline qrgb888 byte_mul(quint8 a) const;
+    inline qrgb888 operator+(qrgb888 v) const;
+    inline bool operator==(qrgb888 v) const;
+
+    inline quint32 rawValue() const;
+
+private:
+    uchar data[3];
+
+} Q_PACKED;
+
+qrgb888::qrgb888(quint32 v)
+{
+    data[0] = qRed(v);
+    data[1] = qGreen(v);
+    data[2] = qBlue(v);
+}
+
+qrgb888::operator quint32() const
+{
+    return qRgb(data[0], data[1], data[2]);
+}
+
+qrgb888 qrgb888::operator+(qrgb888 v) const
+{
+    qrgb888 t = *this;
+    t.data[0] += v.data[0];
+    t.data[1] += v.data[1];
+    t.data[2] += v.data[2];
+    return t;
+}
+
+qrgb888 qrgb888::byte_mul(quint8 a) const
+{
+    quint32 x(*this);
+
+    quint32 t = (x & 0xff00ff) * a;
+    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
+    t &= 0xff00ff;
+
+    x = ((x >> 8) & 0xff00ff) * a;
+    x = (x + ((x >> 8) & 0xff00ff) + 0x800080);
+    x &= 0xff00ff00;
+    x |= t;
+    return qrgb888(x);
+}
+
+bool qrgb888::operator==(qrgb888 v) const
+{
+    return (data[0] == v.data[0] &&
+            data[1] == v.data[1] &&
+            data[2] == v.data[2]);
+}
+
+quint32 qrgb888::rawValue() const
+{
+    return (data[2] << 16) | (data[1] << 8) | data[0];
+}
+
+template <>
+inline qrgb888 qt_colorConvert(quint32 color, qrgb888 dummy)
+{
+    Q_UNUSED(dummy);
+    return qrgb888(color);
+}
+
+template <>
+inline quint32 qt_colorConvert(qrgb888 color, quint32 dummy)
+{
+    Q_UNUSED(dummy);
+    return quint32(color);
+}
+
+#ifdef QT_QWS_DEPTH_8
+template <>
+inline quint8 qt_colorConvert(quint32 color, quint8 dummy)
+{
+    Q_UNUSED(dummy);
+
+    uchar r = ((qRed(color) & 0xf8) + 0x19) / 0x33;
+    uchar g = ((qGreen(color) &0xf8) + 0x19) / 0x33;
+    uchar b = ((qBlue(color) &0xf8) + 0x19) / 0x33;
+
+    return r*6*6 + g*6 + b;
+}
+
+template <>
+inline quint8 qt_colorConvert(quint16 color, quint8 dummy)
+{
+    Q_UNUSED(dummy);
+
+    uchar r = (color & 0xf800) >> (11-3);
+    uchar g = (color & 0x07c0) >> (6-3);
+    uchar b = (color & 0x001f) << 3;
+
+    uchar tr = (r + 0x19) / 0x33;
+    uchar tg = (g + 0x19) / 0x33;
+    uchar tb = (b + 0x19) / 0x33;
+
+    return tr*6*6 + tg*6 + tb;
+}
+
+#endif // QT_QWS_DEPTH_8
+
+// hw: endianess??
+class quint24
+{
+public:
+    inline quint24(quint32 v)
+    {
+        data[0] = qBlue(v);
+        data[1] = qGreen(v);
+        data[2] = qRed(v);
+    }
+
+    inline operator quint32 ()
+    {
+        return qRgb(data[2], data[1], data[0]);
+    }
+
+    inline bool operator==(const quint24 &v) const
+    {
+        return data[0] == v.data[0]
+            && data[1] == v.data[1]
+            && data[2] == v.data[2];
+    }
+
+private:
+    uchar data[3];
+} Q_PACKED;
+
+template <>
+inline quint24 qt_colorConvert(quint32 color, quint24 dummy)
+{
+    Q_UNUSED(dummy);
+    return quint24(color);
+}
+
+// hw: endianess??
+class quint18
+{
+public:
+    inline quint18(quint32 v)
+    {
+        uchar b = qBlue(v);
+        uchar g = qGreen(v);
+        uchar r = qRed(v);
+        uint p = (b >> 2) | ((g >> 2) << 6) | ((r >> 2) << 12);
+        data[0] = qBlue(p);
+        data[1] = qGreen(p);
+        data[2] = qRed(p);
+    }
+
+    inline operator quint32 ()
+    {
+        const uchar r = (data[2] << 6) | ((data[1] & 0xf0) >> 2) | (data[2] & 0x3);
+        const uchar g = (data[1] << 4) | ((data[0] & 0xc0) >> 4) | ((data[1] & 0x0f) >> 2);
+        const uchar b = (data[0] << 2) | ((data[0] & 0x3f) >> 4);
+        return qRgb(r, g, b);
+    }
+
+private:
+    uchar data[3];
+} Q_PACKED;
+
+template <>
+inline quint18 qt_colorConvert(quint32 color, quint18 dummy)
+{
+    Q_UNUSED(dummy);
+    return quint18(color);
+}
+
+class qrgb444;
+
+class qargb4444
+{
+public:
+    static inline bool hasAlpha() { return true; }
+
+    inline qargb4444() {}
+    inline qargb4444(quint32 v) { *this = qargb4444(quint32p(v)); }
+    inline explicit qargb4444(quint32p v);
+    inline qargb4444(const qrgb444 &v);
+
+    inline operator quint32() const;
+    inline operator quint8() const;
+
+    inline qargb4444 operator+(qargb4444 v) const;
+
+    inline quint8 alpha() const { return ((data & 0xf000) >> 8) | ((data & 0xf000) >> 12); }
+    inline qargb4444 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 4; }
+    static inline quint8 ialpha(quint8 a) { return 0x10 - alpha(a); }
+    inline qargb4444 byte_mul(quint8 a) const;
+
+    inline bool operator==(const qargb4444 &v) const { return data == v.data; }
+
+    inline quint16 rawValue() const { return data; }
+
+private:
+    friend class qrgb444;
+    quint16 data;
+
+} Q_PACKED;
+
+class qrgb444
+{
+public:
+    static inline bool hasAlpha() { return false; }
+
+    inline qrgb444() {}
+    inline qrgb444(quint32 v);
+    inline explicit qrgb444(qargb4444 v);
+
+    inline operator quint32() const;
+    inline operator quint8() const;
+
+    inline qrgb444 operator+(qrgb444 v) const;
+    inline quint8 alpha() const { return 0xff; }
+    inline qrgb444 truncedAlpha() { return *this; }
+    static inline quint8 alpha(quint8 a) { return (a + 1) >> 4; }
+    static inline quint8 ialpha(quint8 a) { return 0x10 - alpha(a); }
+    inline qrgb444 byte_mul(quint8 a) const;
+
+    inline bool operator==(const qrgb444 &v) const { return data == v.data; }
+    inline bool operator!=(const qrgb444 &v) const { return data != v.data; }
+
+    inline quint16 rawValue() const { return data; }
+
+private:
+    friend class qargb4444;
+    quint16 data;
+
+} Q_PACKED;
+
+
+qargb4444::qargb4444(quint32p color)
+{
+    quint32 v = color;
+    v &= 0xf0f0f0f0;
+    const int a = qAlpha(v) << 8;
+    const int r = qRed(v) << 4;
+    const int g = qGreen(v);
+    const int b = qBlue(v) >> 4;
+
+    data = a | r | g | b;
+}
+
+qargb4444::qargb4444(const qrgb444 &v)
+{
+    data = v.data | 0xf000;
+}
+
+qargb4444::operator quint32() const
+{
+    const int a = (data & 0xf000);
+    const int r = (data & 0x0f00);
+    const int g = (data & 0x00f0);
+    const int b = (data & 0x000f);
+    const int ta = (a >> 8) | (a >> 12);
+    const int tr = (r >> 4) | (r >> 8);
+    const int tg = g | (g >> 4);
+    const int tb = (b << 4) | b;
+
+    return qRgba(tr, tg, tb, ta);
+}
+
+qargb4444::operator quint8() const
+{
+    // hw: optimize!
+    return qt_colorConvert<quint8, quint32>(operator quint32(), 0);
+}
+
+qargb4444 qargb4444::operator+(qargb4444 v) const
+{
+    qargb4444 t;
+    t.data = data + v.data;
+    return t;
+}
+
+qargb4444 qargb4444::byte_mul(quint8 a) const
+{
+    quint16 t = (((data & 0xf0f0) * a) >> 4) & 0xf0f0;
+    t |= (((data & 0x0f0f) * a) >> 4) & 0x0f0f;
+
+    qargb4444 result;
+    result.data = t;
+    return result;
+}
+
+qrgb444::qrgb444(quint32 v)
+{
+    v &= 0xf0f0f0f0;
+    const int r = qRed(v) << 4;
+    const int g = qGreen(v);
+    const int b = qBlue(v) >> 4;
+
+    data = r | g | b;
+}
+
+qrgb444::qrgb444(qargb4444 v)
+{
+    data = v.data & 0x0fff;
+}
+
+qrgb444::operator quint32() const
+{
+    const int r = (data & 0x0f00);
+    const int g = (data & 0x00f0);
+    const int b = (data & 0x000f);
+    const int tr = (r >> 4) | (r >> 8);
+    const int tg = g | (g >> 4);
+    const int tb = (b << 4) | b;
+
+    return qRgb(tr, tg, tb);
+}
+
+qrgb444::operator quint8() const
+{
+    // hw: optimize!
+    return qt_colorConvert<quint8, quint32>(operator quint32(), 0);
+}
+
+qrgb444 qrgb444::operator+(qrgb444 v) const
+{
+    qrgb444 t;
+    t.data = data + v.data;
+    return t;
+}
+
+qrgb444 qrgb444::byte_mul(quint8 a) const
+{
+    quint16 t = (((data & 0xf0f0) * a) >> 4) & 0xf0f0;
+    t |= (((data & 0x0f0f) * a) >> 4) & 0x0f0f;
+
+    qrgb444 result;
+    result.data = t;
+    return result;
+}
+
+#ifdef QT_QWS_DEPTH_GENERIC
+
+struct qrgb
+{
+public:
+    static int bpp;
+    static int len_red;
+    static int len_green;
+    static int len_blue;
+    static int len_alpha;
+    static int off_red;
+    static int off_green;
+    static int off_blue;
+    static int off_alpha;
+} Q_PACKED;
+
+template <typename SRC>
+Q_STATIC_TEMPLATE_FUNCTION inline quint32 qt_convertToRgb(SRC color);
+
+template <>
+inline quint32 qt_convertToRgb(quint32 color)
+{
+    const int r = qRed(color) >> (8 - qrgb::len_red);
+    const int g = qGreen(color) >> (8 - qrgb::len_green);
+    const int b = qBlue(color) >> (8 - qrgb::len_blue);
+    const int a = qAlpha(color) >> (8 - qrgb::len_alpha);
+    const quint32 v = (r << qrgb::off_red)
+                      | (g << qrgb::off_green)
+                      | (b << qrgb::off_blue)
+                      | (a << qrgb::off_alpha);
+
+    return v;
+}
+
+template <>
+inline quint32 qt_convertToRgb(quint16 color)
+{
+    return qt_convertToRgb(qt_colorConvert<quint32, quint16>(color, 0));
+}
+
+class qrgb_generic16
+{
+public:
+    inline qrgb_generic16(quint32 color)
+    {
+        const int r = qRed(color) >> (8 - qrgb::len_red);
+        const int g = qGreen(color) >> (8 - qrgb::len_green);
+        const int b = qBlue(color) >> (8 - qrgb::len_blue);
+        const int a = qAlpha(color) >> (8 - qrgb::len_alpha);
+        data = (r << qrgb::off_red)
+               | (g << qrgb::off_green)
+               | (b << qrgb::off_blue)
+               | (a << qrgb::off_alpha);
+    }
+
+    inline operator quint16 () { return data; }
+    inline quint32 operator<<(int shift) const { return data << shift; }
+
+private:
+    quint16 data;
+} Q_PACKED;
+
+template <>
+inline qrgb_generic16 qt_colorConvert(quint32 color, qrgb_generic16 dummy)
+{
+    Q_UNUSED(dummy);
+    return qrgb_generic16(color);
+}
+
+template <>
+inline qrgb_generic16 qt_colorConvert(quint16 color, qrgb_generic16 dummy)
+{
+    Q_UNUSED(dummy);
+    return qrgb_generic16(qt_colorConvert<quint32, quint16>(color, 0));
+}
+
+#endif // QT_QWS_DEPTH_GENERIC
+
+template <class T>
+void qt_memfill(T *dest, T value, int count);
+
+template<> inline void qt_memfill(quint32 *dest, quint32 color, int count)
+{
+    extern void (*qt_memfill32)(quint32 *dest, quint32 value, int count);
+    qt_memfill32(dest, color, count);
+}
+
+template<> inline void qt_memfill(quint16 *dest, quint16 color, int count)
+{
+    extern void (*qt_memfill16)(quint16 *dest, quint16 value, int count);
+    qt_memfill16(dest, color, count);
+}
+
+template<> inline void qt_memfill(quint8 *dest, quint8 color, int count)
+{
+    memset(dest, color, count);
+}
+
+template <class T>
+inline void qt_memfill(T *dest, T value, int count)
+{
+    int n = (count + 7) / 8;
+    switch (count & 0x07)
+    {
+    case 0: do { *dest++ = value;
+    case 7:      *dest++ = value;
+    case 6:      *dest++ = value;
+    case 5:      *dest++ = value;
+    case 4:      *dest++ = value;
+    case 3:      *dest++ = value;
+    case 2:      *dest++ = value;
+    case 1:      *dest++ = value;
+    } while (--n > 0);
+    }
+}
+
+template <class T>
+inline void qt_rectfill(T *dest, T value,
+                        int x, int y, int width, int height, int stride)
+{
+    char *d = reinterpret_cast<char*>(dest + x) + y * stride;
+    if (uint(stride) == (width * sizeof(T))) {
+        qt_memfill(reinterpret_cast<T*>(d), value, width * height);
+    } else {
+        for (int j = 0; j < height; ++j) {
+            dest = reinterpret_cast<T*>(d);
+            qt_memfill(dest, value, width);
+            d += stride;
+        }
+    }
+}
+
+template <class DST, class SRC>
+inline void qt_memconvert(DST *dest, const SRC *src, int count)
+{
+    if (sizeof(DST) == 1) {
+        while (count) {
+            int n = 1;
+            const SRC color = *src++;
+            const DST dstColor = qt_colorConvert<DST, SRC>(color, 0);
+            while (--count && (*src == color || dstColor == qt_colorConvert<DST, SRC>(*src, 0))) {
+                ++n;
+                ++src;
+            }
+            qt_memfill(dest, dstColor, n);
+            dest += n;
+        }
+    } else {
+        /* Duff's device */
+        int n = (count + 7) / 8;
+        switch (count & 0x07)
+        {
+        case 0: do { *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 7:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 6:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 5:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 4:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 3:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 2:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            case 1:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
+            } while (--n > 0);
+        }
+    }
+}
+
+#define QT_TRIVIAL_MEMCONVERT_IMPL(T) \
+    template <> \
+    inline void qt_memconvert(T *dest, const T *src, int count) \
+    { \
+        memcpy(dest, src, count * sizeof(T)); \
+    }
+QT_TRIVIAL_MEMCONVERT_IMPL(quint32)
+QT_TRIVIAL_MEMCONVERT_IMPL(qrgb888)
+QT_TRIVIAL_MEMCONVERT_IMPL(qargb6666)
+QT_TRIVIAL_MEMCONVERT_IMPL(qrgb666)
+QT_TRIVIAL_MEMCONVERT_IMPL(quint16)
+#ifdef Q_WS_QWS
+QT_TRIVIAL_MEMCONVERT_IMPL(qrgb565)
+#endif
+QT_TRIVIAL_MEMCONVERT_IMPL(qargb8565)
+QT_TRIVIAL_MEMCONVERT_IMPL(qargb8555)
+QT_TRIVIAL_MEMCONVERT_IMPL(qrgb555)
+QT_TRIVIAL_MEMCONVERT_IMPL(qargb4444)
+QT_TRIVIAL_MEMCONVERT_IMPL(qrgb444)
+#undef QT_TRIVIAL_MEMCONVERT_IMPL
+
+#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
+template <>
+inline void qt_memconvert(qrgb666 *dest, const quint32 *src, int count)
+{
+    if (count < 3) {
+        switch (count) {
+        case 2: *dest++ = qrgb666(*src++);
+        case 1: *dest = qrgb666(*src);
+        }
+        return;
+    }
+
+    const int align = (long(dest) & 3);
+    switch (align) {
+    case 1: *dest++ = qrgb666(*src++); --count;
+    case 2: *dest++ = qrgb666(*src++); --count;
+    case 3: *dest++ = qrgb666(*src++); --count;
+    }
+
+    quint32 *dest32 = reinterpret_cast<quint32*>(dest);
+    int sourceCount = count >> 2;
+    while (sourceCount--) {
+        dest32[0] = ((src[1] & 0x00000c00) << 20)
+                    | ((src[1] & 0x000000fc) << 22)
+                    | ((src[0] & 0x00fc0000) >> 6)
+                    | ((src[0] & 0x0000fc00) >> 4)
+                    |  ((src[0] & 0x000000fc) >> 2);
+        dest32[1] = ((src[2] & 0x003c0000) << 10)
+                    | ((src[2] & 0x0000fc00) << 12)
+                    | ((src[2] & 0x000000fc) << 14)
+                    | ((src[1] & 0x00fc0000) >> 14)
+                    | ((src[1] & 0x0000f000) >> 12);
+        dest32[2] = ((src[3] & 0x00fc0000) << 2)
+                    | ((src[3] & 0x0000fc00) << 4)
+                    | ((src[3] & 0x000000fc) << 6)
+                    | ((src[2] & 0x00c00000) >> 22);
+        dest32 += 3;
+        src += 4;
+    }
+
+    dest = reinterpret_cast<qrgb666*>(dest32);
+    switch (count & 3) {
+    case 3: *dest++ = qrgb666(*src++);
+    case 2: *dest++ = qrgb666(*src++);
+    case 1: *dest = qrgb666(*src);
+    }
+}
+#endif // Q_BYTE_ORDER
+
+template <class T>
+inline void qt_rectcopy(T *dest, const T *src,
+                        int x, int y, int width, int height,
+                        int dstStride, int srcStride)
+{
+    char *d = (char*)(dest + x) + y * dstStride;
+    const char *s = (char*)(src);
+    for (int i = 0; i < height; ++i) {
+        ::memcpy(d, s, width * sizeof(T));
+        d += dstStride;
+        s += srcStride;
+    }
+}
+
+template <class DST, class SRC>
+inline void qt_rectconvert(DST *dest, const SRC *src,
+                           int x, int y, int width, int height,
+                           int dstStride, int srcStride)
+{
+    char *d = (char*)(dest + x) + y * dstStride;
+    const char *s = (char*)(src);
+    for (int i = 0; i < height; ++i) {
+        qt_memconvert<DST,SRC>((DST*)d, (const SRC*)s, width);
+        d += dstStride;
+        s += srcStride;
+    }
+}
+
+#define QT_RECTCONVERT_TRIVIAL_IMPL(T)                                  \
+    template <>                                                         \
+    inline void qt_rectconvert(T *dest, const T *src,                   \
+                               int x, int y, int width, int height,     \
+                               int dstStride, int srcStride)            \
+    {                                                                   \
+        qt_rectcopy(dest, src, x, y, width, height, dstStride, srcStride); \
+    }
+QT_RECTCONVERT_TRIVIAL_IMPL(quint32)
+QT_RECTCONVERT_TRIVIAL_IMPL(qrgb888)
+QT_RECTCONVERT_TRIVIAL_IMPL(qargb6666)
+QT_RECTCONVERT_TRIVIAL_IMPL(qrgb666)
+#ifdef Q_WS_QWS
+QT_RECTCONVERT_TRIVIAL_IMPL(qrgb565)
+#endif
+QT_RECTCONVERT_TRIVIAL_IMPL(qargb8565)
+QT_RECTCONVERT_TRIVIAL_IMPL(quint16)
+QT_RECTCONVERT_TRIVIAL_IMPL(qargb8555)
+QT_RECTCONVERT_TRIVIAL_IMPL(qrgb555)
+QT_RECTCONVERT_TRIVIAL_IMPL(qargb4444)
+QT_RECTCONVERT_TRIVIAL_IMPL(qrgb444)
+#undef QT_RECTCONVERT_TRIVIAL_IMPL
+
+#ifdef QT_QWS_DEPTH_GENERIC
+template <> void qt_rectconvert(qrgb *dest, const quint32 *src,
+                                int x, int y, int width, int height,
+                                int dstStride, int srcStride);
+
+template <> void qt_rectconvert(qrgb *dest, const quint16 *src,
+                                int x, int y, int width, int height,
+                                int dstStride, int srcStride);
+#endif // QT_QWS_DEPTH_GENERIC
+
+#define QT_MEMFILL_UINT(dest, length, color)            \
+    qt_memfill<quint32>(dest, color, length);
+
+#define QT_MEMFILL_USHORT(dest, length, color) \
+    qt_memfill<quint16>(dest, color, length);
+
+#define QT_MEMCPY_REV_UINT(dest, src, length) \
+do {                                          \
+    /* Duff's device */                       \
+    uint *_d = (uint*)(dest) + length;         \
+    const uint *_s = (uint*)(src) + length;    \
+    register int n = ((length) + 7) / 8;      \
+    switch ((length) & 0x07)                  \
+    {                                         \
+    case 0: do { *--_d = *--_s;                 \
+    case 7:      *--_d = *--_s;                 \
+    case 6:      *--_d = *--_s;                 \
+    case 5:      *--_d = *--_s;                 \
+    case 4:      *--_d = *--_s;                 \
+    case 3:      *--_d = *--_s;                 \
+    case 2:      *--_d = *--_s;                 \
+    case 1:      *--_d = *--_s;                 \
+    } while (--n > 0);                        \
+    }                                         \
+} while (0)
+
+#define QT_MEMCPY_USHORT(dest, src, length) \
+do {                                          \
+    /* Duff's device */                       \
+    ushort *_d = (ushort*)(dest);         \
+    const ushort *_s = (ushort*)(src);    \
+    register int n = ((length) + 7) / 8;      \
+    switch ((length) & 0x07)                  \
+    {                                         \
+    case 0: do { *_d++ = *_s++;                 \
+    case 7:      *_d++ = *_s++;                 \
+    case 6:      *_d++ = *_s++;                 \
+    case 5:      *_d++ = *_s++;                 \
+    case 4:      *_d++ = *_s++;                 \
+    case 3:      *_d++ = *_s++;                 \
+    case 2:      *_d++ = *_s++;                 \
+    case 1:      *_d++ = *_s++;                 \
+    } while (--n > 0);                        \
+    }                                         \
+} while (0)
+
+Q_STATIC_INLINE_FUNCTION int qt_div_255(int x) { return (x + (x>>8) + 0x80) >> 8; }
+
+inline ushort qConvertRgb32To16(uint c)
+{
+   return (((c) >> 3) & 0x001f)
+       | (((c) >> 5) & 0x07e0)
+       | (((c) >> 8) & 0xf800);
+}
+
+#if defined(Q_WS_QWS) || (QT_VERSION >= 0x040400)
+inline quint32 qConvertRgb32To16x2(quint64 c)
+{
+    c = (((c) >> 3) & Q_UINT64_C(0x001f0000001f))
+        | (((c) >> 5) & Q_UINT64_C(0x07e0000007e0))
+        | (((c) >> 8) & Q_UINT64_C(0xf8000000f800));
+    return c | (c >> 16);
+}
+#endif
+
+inline QRgb qConvertRgb16To32(uint c)
+{
+    return 0xff000000
+        | ((((c) << 3) & 0xf8) | (((c) >> 2) & 0x7))
+        | ((((c) << 5) & 0xfc00) | (((c) >> 1) & 0x300))
+        | ((((c) << 8) & 0xf80000) | (((c) << 3) & 0x70000));
+}
+
+inline int qRed565(quint16 rgb) {
+    const int r = (rgb & 0xf800);
+    return (r >> 8) | (r >> 13);
+}
+
+inline int qGreen565(quint16 rgb) {
+    const int g = (rgb & 0x07e0);
+    return (g >> 3) | (g >> 9);
+}
+
+inline int qBlue565(quint16 rgb) {
+    const int b = (rgb & 0x001f);
+    return (b << 3) | (b >> 2);
+}
+
+#if 1
+static inline uint INTERPOLATE_PIXEL_256(uint x, uint a, uint y, uint b) {
+    uint t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
+    t >>= 8;
+    t &= 0xff00ff;
+
+    x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
+    x &= 0xff00ff00;
+    x |= t;
+    return x;
+}
+
+static inline uint INTERPOLATE_PIXEL_255(uint x, uint a, uint y, uint b) {
+    uint t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
+    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
+    t &= 0xff00ff;
+
+    x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
+    x = (x + ((x >> 8) & 0xff00ff) + 0x800080);
+    x &= 0xff00ff00;
+    x |= t;
+    return x;
+}
+#else
+// possible implementation for 64 bit
+static inline uint INTERPOLATE_PIXEL_256(uint x, uint a, uint y, uint b) {
+    ulong t = (((ulong(x)) | ((ulong(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
+    t += (((ulong(y)) | ((ulong(y)) << 24)) & 0x00ff00ff00ff00ff) * b;
+    t >>= 8;
+    t &= 0x00ff00ff00ff00ff;
+    return (uint(t)) | (uint(t >> 24));
+}
+
+static inline uint INTERPOLATE_PIXEL_255(uint x, uint a, uint y, uint b) {
+    ulong t = (((ulong(x)) | ((ulong(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
+    t += (((ulong(y)) | ((ulong(y)) << 24)) & 0x00ff00ff00ff00ff) * b;
+    t = (t + ((t >> 8) & 0xff00ff00ff00ff) + 0x80008000800080);
+    t &= 0x00ff00ff00ff00ff;
+    return (uint(t)) | (uint(t >> 24));
+}
+
+Q_STATIC_INLINE_FUNCTION uint BYTE_MUL(uint x, uint a) {
+    ulong t = (((ulong(x)) | ((ulong(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
+    t = (t + ((t >> 8) & 0xff00ff00ff00ff) + 0x80008000800080);
+    t &= 0x00ff00ff00ff00ff;
+    return (uint(t)) | (uint(t >> 24));
+}
+
+static inline uint PREMUL(uint x) {
+    uint a = x >> 24;
+    ulong t = (((ulong(x)) | ((ulong(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
+    t = (t + ((t >> 8) & 0xff00ff00ff00ff) + 0x80008000800080);
+    t &= 0x00ff00ff00ff00ff;
+    return (uint(t)) | (uint(t >> 24)) | 0xff000000;
+}
+#endif
+
+const uint qt_bayer_matrix[16][16] = {
+    { 0x1, 0xc0, 0x30, 0xf0, 0xc, 0xcc, 0x3c, 0xfc,
+      0x3, 0xc3, 0x33, 0xf3, 0xf, 0xcf, 0x3f, 0xff},
+    { 0x80, 0x40, 0xb0, 0x70, 0x8c, 0x4c, 0xbc, 0x7c,
+      0x83, 0x43, 0xb3, 0x73, 0x8f, 0x4f, 0xbf, 0x7f},
+    { 0x20, 0xe0, 0x10, 0xd0, 0x2c, 0xec, 0x1c, 0xdc,
+      0x23, 0xe3, 0x13, 0xd3, 0x2f, 0xef, 0x1f, 0xdf},
+    { 0xa0, 0x60, 0x90, 0x50, 0xac, 0x6c, 0x9c, 0x5c,
+      0xa3, 0x63, 0x93, 0x53, 0xaf, 0x6f, 0x9f, 0x5f},
+    { 0x8, 0xc8, 0x38, 0xf8, 0x4, 0xc4, 0x34, 0xf4,
+      0xb, 0xcb, 0x3b, 0xfb, 0x7, 0xc7, 0x37, 0xf7},
+    { 0x88, 0x48, 0xb8, 0x78, 0x84, 0x44, 0xb4, 0x74,
+      0x8b, 0x4b, 0xbb, 0x7b, 0x87, 0x47, 0xb7, 0x77},
+    { 0x28, 0xe8, 0x18, 0xd8, 0x24, 0xe4, 0x14, 0xd4,
+      0x2b, 0xeb, 0x1b, 0xdb, 0x27, 0xe7, 0x17, 0xd7},
+    { 0xa8, 0x68, 0x98, 0x58, 0xa4, 0x64, 0x94, 0x54,
+      0xab, 0x6b, 0x9b, 0x5b, 0xa7, 0x67, 0x97, 0x57},
+    { 0x2, 0xc2, 0x32, 0xf2, 0xe, 0xce, 0x3e, 0xfe,
+      0x1, 0xc1, 0x31, 0xf1, 0xd, 0xcd, 0x3d, 0xfd},
+    { 0x82, 0x42, 0xb2, 0x72, 0x8e, 0x4e, 0xbe, 0x7e,
+      0x81, 0x41, 0xb1, 0x71, 0x8d, 0x4d, 0xbd, 0x7d},
+    { 0x22, 0xe2, 0x12, 0xd2, 0x2e, 0xee, 0x1e, 0xde,
+      0x21, 0xe1, 0x11, 0xd1, 0x2d, 0xed, 0x1d, 0xdd},
+    { 0xa2, 0x62, 0x92, 0x52, 0xae, 0x6e, 0x9e, 0x5e,
+      0xa1, 0x61, 0x91, 0x51, 0xad, 0x6d, 0x9d, 0x5d},
+    { 0xa, 0xca, 0x3a, 0xfa, 0x6, 0xc6, 0x36, 0xf6,
+      0x9, 0xc9, 0x39, 0xf9, 0x5, 0xc5, 0x35, 0xf5},
+    { 0x8a, 0x4a, 0xba, 0x7a, 0x86, 0x46, 0xb6, 0x76,
+      0x89, 0x49, 0xb9, 0x79, 0x85, 0x45, 0xb5, 0x75},
+    { 0x2a, 0xea, 0x1a, 0xda, 0x26, 0xe6, 0x16, 0xd6,
+      0x29, 0xe9, 0x19, 0xd9, 0x25, 0xe5, 0x15, 0xd5},
+    { 0xaa, 0x6a, 0x9a, 0x5a, 0xa6, 0x66, 0x96, 0x56,
+      0xa9, 0x69, 0x99, 0x59, 0xa5, 0x65, 0x95, 0x55}
+};
+
+#define ARGB_COMBINE_ALPHA(argb, alpha) \
+    ((((argb >> 24) * alpha) >> 8) << 24) | (argb & 0x00ffffff)
+
+
+QT_END_NAMESPACE
+
+#endif // QDRAWHELPER_P_H