Merge commit 's60/4.6' into mmfphonon

10 files changed, 355 insertions, 307 deletions

diff --git a/src/plugins/accessible/widgets/simplewidgets.cpp b/src/plugins/accessible/widgets/simplewidgets.cpp
index 87d81f0..7be4a2a 100644
--- a/src/plugins/accessible/widgets/simplewidgets.cpp
+++ b/src/plugins/accessible/widgets/simplewidgets.cpp
@@ -528,7 +528,7 @@ QString QAccessibleDisplay::text(Text t, int child) const
 #ifndef QT_NO_LCDNUMBER
             } else if (qobject_cast<QLCDNumber*>(object())) {
                 QLCDNumber *l = qobject_cast<QLCDNumber*>(object());
-                if (l->numDigits())
+                if (l->digitCount())
                     str = QString::number(l->value());
                 else
                     str = QString::number(l->intValue());
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp
index cb4fb88..daefa21 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp
@@ -176,7 +176,7 @@ int QDirectFBPaintDevice::metric(QPaintDevice::PaintDeviceMetric metric) const
         return QDirectFBScreen::depth(imageFormat);
     case QPaintDevice::PdmNumColors: {
         if (!lockedImage.isNull())
-            return lockedImage.numColors();
+            return lockedImage.colorCount();
 
         DFBResult result;
         IDirectFBPalette *palette = 0;
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
index 449bc0d..eb771ba 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
@@ -214,7 +214,7 @@ IDirectFBSurface *QDirectFBScreen::createDFBSurface(const QImage &image, QImage:
             const int height = image.height();
             const int bplQt = image.bytesPerLine();
             if (bplQt == bplDFB && bplQt == (image.width() * image.depth() / 8)) {
-                memcpy(mem, image.bits(), image.numBytes());
+                memcpy(mem, image.bits(), image.byteCount());
             } else {
                 for (int i=0; i<height; ++i) {
                     memcpy(mem, image.scanLine(i), bplQt);
@@ -225,7 +225,7 @@ IDirectFBSurface *QDirectFBScreen::createDFBSurface(const QImage &image, QImage:
         }
     }
 #ifdef QT_DIRECTFB_PALETTE
-    if (image.numColors() != 0 && surface)
+    if (image.colorCount() != 0 && surface)
         QDirectFBScreen::setSurfaceColorTable(surface, image);
 #endif
     return surface;
@@ -497,7 +497,7 @@ void QDirectFBScreen::setSurfaceColorTable(IDirectFBSurface *surface,
     if (!surface)
         return;
 
-    const int numColors = image.numColors();
+    const int numColors = image.colorCount();
     if (numColors == 0)
         return;
 
@@ -1066,7 +1066,7 @@ static inline QColor colorFromName(const QString &name)
     QRegExp rx("#([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])");
     rx.setCaseSensitivity(Qt::CaseInsensitive);
     if (rx.exactMatch(name)) {
-        Q_ASSERT(rx.numCaptures() == 4);
+        Q_ASSERT(rx.captureCount() == 4);
         int ints[4];
         int i;
         for (i=0; i<4; ++i) {
@@ -1564,7 +1564,7 @@ void QDirectFBScreen::exposeRegion(QRegion r, int)
             primary->SetColor(primary, 0xff, 0xff, 0xff, cmd.windowOpacity);
         }
         const QRegion &region = cmd.source;
-        const int rectCount = region.numRects();
+        const int rectCount = region.rectCount();
         DFBRectangle source;
         if (rectCount == 1) {
             ::initParameters(source, region.boundingRect(), cmd.windowPosition);
@@ -1619,7 +1619,7 @@ void QDirectFBScreen::solidFill(const QColor &color, const QRegion &region)
     d_ptr->primarySurface->SetColor(d_ptr->primarySurface,
                                     color.red(), color.green(), color.blue(),
                                     color.alpha());
-    const int n = region.numRects();
+    const int n = region.rectCount();
     if (n == 1) {
         const QRect r = region.boundingRect();
         d_ptr->primarySurface->FillRectangle(d_ptr->primarySurface, r.x(), r.y(), r.width(), r.height());
@@ -1680,7 +1680,7 @@ void QDirectFBScreen::flipSurface(IDirectFBSurface *surface, DFBSurfaceFlipFlags
     if (!(flipFlags & DSFLIP_BLIT)) {
         surface->Flip(surface, 0, flipFlags);
     } else {
-        if (!(d_ptr->directFBFlags & BoundingRectFlip) && region.numRects() > 1) {
+        if (!(d_ptr->directFBFlags & BoundingRectFlip) && region.rectCount() > 1) {
             const QVector<QRect> rects = region.rects();
             const DFBSurfaceFlipFlags nonWaitFlags = flipFlags & ~DSFLIP_WAIT;
             for (int i=0; i<rects.size(); ++i) {
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp
index 3fbefc3..c9a010f 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp
@@ -311,7 +311,7 @@ bool QDirectFBWindowSurface::scroll(const QRegion &region, int dx, int dy)
     if (!dfbSurface || !(flipFlags & DSFLIP_BLIT) || region.isEmpty())
         return false;
     dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_NOFX);
-    if (region.numRects() == 1) {
+    if (region.rectCount() == 1) {
         scrollSurface(dfbSurface, region.boundingRect(), dx, dy);
     } else {
         const QVector<QRect> rects = region.rects();
diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp
index 4a3787f..51a6c4e 100644
--- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp
+++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp
@@ -199,7 +199,7 @@ void PvrEglWindowSurface::setDirectRegion(const QRegion &r, int id)
 
     if (region.isEmpty()) {
         pvrQwsClearVisibleRegion(drawable);
-    } else if (region.numRects() == 1) {
+    } else if (region.rectCount() == 1) {
         QRect rect = region.boundingRect();
         PvrQwsRect pvrRect;
         pvrRect.x = rect.x();
diff --git a/src/plugins/graphicssystems/trace/qgraphicssystem_trace.cpp b/src/plugins/graphicssystems/trace/qgraphicssystem_trace.cpp
index 8756ecb..fb6f5ea 100644
--- a/src/plugins/graphicssystems/trace/qgraphicssystem_trace.cpp
+++ b/src/plugins/graphicssystems/trace/qgraphicssystem_trace.cpp
@@ -82,6 +82,7 @@ QTraceWindowSurface::~QTraceWindowSurface()
         QFile outputFile(QString(QLatin1String("qtgraphics-%0.trace")).arg(winId));
         if (outputFile.open(QIODevice::WriteOnly)) {
             QDataStream out(&outputFile);
+            out.writeBytes("qttrace", 7);
             out << *buffer << updates;
         }
         delete buffer;
diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp
index 98879b0..c95b63c 100644
--- a/src/plugins/imageformats/gif/qgifhandler.cpp
+++ b/src/plugins/imageformats/gif/qgifhandler.cpp
@@ -335,7 +335,7 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                 QImage::Format format = trans_index >= 0 ? QImage::Format_ARGB32 : QImage::Format_RGB32;
                 if (image->isNull()) {
                     (*image) = QImage(swidth, sheight, format);
-                    memset(image->bits(), 0, image->numBytes());
+                    memset(image->bits(), 0, image->byteCount());
 
                     // ### size of the upcoming frame, should rather
                     // be known before decoding it.
@@ -393,7 +393,7 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                         backingstore = QImage(qMax(backingstore.width(), w),
                                               qMax(backingstore.height(), h),
                                               QImage::Format_RGB32);
-                        memset(image->bits(), 0, image->numBytes());
+                        memset(image->bits(), 0, image->byteCount());
                     }
                     for (int ln=0; ln<h; ln++) {
                         memcpy(backingstore.scanLine(ln),
diff --git a/src/plugins/imageformats/ico/qicohandler.cpp b/src/plugins/imageformats/ico/qicohandler.cpp
index e01b33a..4d819d1 100644
--- a/src/plugins/imageformats/ico/qicohandler.cpp
+++ b/src/plugins/imageformats/ico/qicohandler.cpp
@@ -379,7 +379,7 @@ void ICOReader::findColorInfo(QImage & image)
 void ICOReader::readColorTable(QImage & image)
 {
     if (iod) {
-        image.setNumColors(icoAttrib.ncolors);
+        image.setColorCount(icoAttrib.ncolors);
         uchar rgb[4];
         for (int i=0; i<icoAttrib.ncolors; i++) {
             if (iod->read((char*)rgb, 4) != 4) {
@@ -574,7 +574,7 @@ QImage ICOReader::iconAt(int index)
                         if (!image.isNull()) {
                             QImage mask(image.width(), image.height(), QImage::Format_Mono);
                             if (!mask.isNull()) {
-                                mask.setNumColors(2);
+                                mask.setColorCount(2);
                                 mask.setColor(0, qRgba(255,255,255,0xff));
                                 mask.setColor(1, qRgba(0  ,0  ,0  ,0xff));
                                 read1BitBMP(mask);
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
index 3b23e56..54bbcda 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp
+++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
@@ -196,52 +196,52 @@ inline QRgb *QImageSmoothScaler::scanLine(const int line, const QImage *src)
 
 QImage QImageSmoothScaler::scale()
 {
-    long    SCALE;
-    long    HALFSCALE;
-    QRgb    *xelrow = 0;
-    QRgb    *tempxelrow = 0;
-    QRgb    *xP;
-    QRgb    *nxP;
-    int	    row, rowsread;
-    int	    col, needtoreadrow;
-    uchar   maxval = 255;
-    qreal  xscale, yscale;
-    long    sxscale, syscale;
-    long    fracrowtofill, fracrowleft;
-    long    *as;
-    long    *rs;
-    long    *gs;
-    long    *bs;
-    int	    rowswritten = 0;
-    QImage  dst;
+    long SCALE;
+    long HALFSCALE;
+    QRgb *xelrow = 0;
+    QRgb *tempxelrow = 0;
+    QRgb *xP;
+    QRgb *nxP;
+    int row, rowsread;
+    int col, needtoreadrow;
+    uchar maxval = 255;
+    qreal xscale, yscale;
+    long sxscale, syscale;
+    long fracrowtofill, fracrowleft;
+    long *as;
+    long *rs;
+    long *gs;
+    long *bs;
+    int rowswritten = 0;
+    QImage dst;
 
     if (d->cols > 4096) {
-	SCALE = 4096;
-	HALFSCALE = 2048;
+        SCALE = 4096;
+        HALFSCALE = 2048;
     } else {
-	int fac = 4096;
-	while (d->cols * fac > 4096) {
-	    fac /= 2;
-	}
+        int fac = 4096;
+        while (d->cols * fac > 4096)
+            fac /= 2;
 
-	SCALE = fac * d->cols;
-	HALFSCALE = fac * d->cols / 2;
+        SCALE = fac * d->cols;
+        HALFSCALE = fac * d->cols / 2;
     }
 
-    xscale = (qreal) d->newcols / (qreal) d->cols;
-    yscale = (qreal) d->newrows / (qreal) d->rows;
+    xscale = (qreal)d->newcols / (qreal)d->cols;
+    yscale = (qreal)d->newrows / (qreal)d->rows;
     sxscale = (long)(xscale * SCALE);
     syscale = (long)(yscale * SCALE);
 
-    if ( d->newrows != d->rows )	/* shortcut Y scaling if possible */
-	tempxelrow = new QRgb[d->cols];
+    // shortcut Y scaling if possible
+    if (d->newrows != d->rows)
+        tempxelrow = new QRgb[d->cols];
 
-    if ( d->hasAlpha ) {
-	as = new long[d->cols];
-	for ( col = 0; col < d->cols; ++col )
-	    as[col] = HALFSCALE;
+    if (d->hasAlpha) {
+        as = new long[d->cols];
+        for (col = 0; col < d->cols; ++col)
+            as[col] = HALFSCALE;
     } else {
-	as = 0;
+        as = 0;
     }
     rs = new long[d->cols];
     gs = new long[d->cols];
@@ -249,205 +249,217 @@ QImage QImageSmoothScaler::scale()
     rowsread = 0;
     fracrowleft = syscale;
     needtoreadrow = 1;
-    for ( col = 0; col < d->cols; ++col )
-	rs[col] = gs[col] = bs[col] = HALFSCALE;
+    for (col = 0; col < d->cols; ++col)
+        rs[col] = gs[col] = bs[col] = HALFSCALE;
     fracrowtofill = SCALE;
 
-    dst = QImage( d->newcols, d->newrows, d->hasAlpha ? QImage::Format_ARGB32 : QImage::Format_RGB32 );
-
-    for ( row = 0; row < d->newrows; ++row ) {
-	/* First scale Y from xelrow into tempxelrow. */
-	if ( d->newrows == d->rows ) {
-	    /* shortcut Y scaling if possible */
-	    tempxelrow = xelrow = scanLine(rowsread++, d->src);
-	} else {
-	    while ( fracrowleft < fracrowtofill ) {
-		if ( needtoreadrow && rowsread < d->rows ) {
-		    xelrow = scanLine(rowsread++, d->src);
-		}
-		for ( col = 0, xP = xelrow; col < d->cols; ++col, ++xP ) {
-		    if (as) {
-			as[col] += fracrowleft * qAlpha( *xP );
-			rs[col] += fracrowleft * qRed( *xP ) * qAlpha( *xP ) / 255;
-			gs[col] += fracrowleft * qGreen( *xP ) * qAlpha( *xP ) / 255;
-			bs[col] += fracrowleft * qBlue( *xP ) * qAlpha( *xP ) / 255;
-		    } else {
-			rs[col] += fracrowleft * qRed( *xP );
-			gs[col] += fracrowleft * qGreen( *xP );
-			bs[col] += fracrowleft * qBlue( *xP );
-		    }
-		}
-		fracrowtofill -= fracrowleft;
-		fracrowleft = syscale;
-		needtoreadrow = 1;
-	    }
-	    /* Now fracrowleft is >= fracrowtofill, so we can produce a row. */
-	    if ( needtoreadrow && rowsread < d->rows) {
-		xelrow = scanLine(rowsread++, d->src);
-		needtoreadrow = 0;
-	    }
-	    for ( col = 0, xP = xelrow, nxP = tempxelrow;
-		  col < d->cols; ++col, ++xP, ++nxP )
-	    {
-		register long a, r, g, b;
-
-		if ( as ) {
-		    r = rs[col] + fracrowtofill * qRed( *xP ) * qAlpha( *xP ) / 255;
-		    g = gs[col] + fracrowtofill * qGreen( *xP ) * qAlpha( *xP ) / 255;
-		    b = bs[col] + fracrowtofill * qBlue( *xP ) * qAlpha( *xP ) / 255;
-		    a = as[col] + fracrowtofill * qAlpha( *xP );
-		    if ( a ) {
-			r = r * 255 / a * SCALE;
-			g = g * 255 / a * SCALE;
-			b = b * 255 / a * SCALE;
-		    }
-		} else {
-		    r = rs[col] + fracrowtofill * qRed( *xP );
-		    g = gs[col] + fracrowtofill * qGreen( *xP );
-		    b = bs[col] + fracrowtofill * qBlue( *xP );
-		    a = 0; // unwarn
-		}
-		r /= SCALE;
-		if ( r > maxval ) r = maxval;
-		g /= SCALE;
-		if ( g > maxval ) g = maxval;
-		b /= SCALE;
-		if ( b > maxval ) b = maxval;
-		if ( as ) {
-		    a /= SCALE;
-		    if ( a > maxval ) a = maxval;
-		    *nxP = qRgba( (int)r, (int)g, (int)b, (int)a );
-		    as[col] = HALFSCALE;
-		} else {
-		    *nxP = qRgb( (int)r, (int)g, (int)b );
-		}
-		rs[col] = gs[col] = bs[col] = HALFSCALE;
-	    }
-	    fracrowleft -= fracrowtofill;
-	    if ( fracrowleft == 0 ) {
-		fracrowleft = syscale;
-		needtoreadrow = 1;
-	    }
-	    fracrowtofill = SCALE;
-	}
+    dst = QImage(d->newcols, d->newrows, d->hasAlpha ? QImage::Format_ARGB32 : QImage::Format_RGB32);
 
-	/* Now scale X from tempxelrow into dst and write it out. */
-	if ( d->newcols == d->cols ) {
-	    /* shortcut X scaling if possible */
-	    memcpy(dst.scanLine(rowswritten++), tempxelrow, d->newcols*4);
-	} else {
-	    register long a, r, g, b;
-	    register long fraccoltofill, fraccolleft = 0;
-	    register int needcol;
-
-	    nxP = (QRgb*)dst.scanLine(rowswritten++);
-	    fraccoltofill = SCALE;
-	    a = r = g = b = HALFSCALE;
-	    needcol = 0;
-	    for ( col = 0, xP = tempxelrow; col < d->cols; ++col, ++xP ) {
-		fraccolleft = sxscale;
-		while ( fraccolleft >= fraccoltofill ) {
-		    if ( needcol ) {
-			++nxP;
-			a = r = g = b = HALFSCALE;
-		    }
-		    if ( as ) {
-			r += fraccoltofill * qRed( *xP ) * qAlpha( *xP ) / 255;
-			g += fraccoltofill * qGreen( *xP ) * qAlpha( *xP ) / 255;
-			b += fraccoltofill * qBlue( *xP ) * qAlpha( *xP ) / 255;
-			a += fraccoltofill * qAlpha( *xP );
-			if ( a ) {
-			    r = r * 255 / a * SCALE;
-			    g = g * 255 / a * SCALE;
-			    b = b * 255 / a * SCALE;
-			}
-		    } else {
-			r += fraccoltofill * qRed( *xP );
-			g += fraccoltofill * qGreen( *xP );
-			b += fraccoltofill * qBlue( *xP );
-		    }
-		    r /= SCALE;
-		    if ( r > maxval ) r = maxval;
-		    g /= SCALE;
-		    if ( g > maxval ) g = maxval;
-		    b /= SCALE;
-		    if ( b > maxval ) b = maxval;
-		    if (as) {
-			a /= SCALE;
-			if ( a > maxval ) a = maxval;
-			*nxP = qRgba( (int)r, (int)g, (int)b, (int)a );
-		    } else {
-			*nxP = qRgb( (int)r, (int)g, (int)b );
-		    }
-		    fraccolleft -= fraccoltofill;
-		    fraccoltofill = SCALE;
-		    needcol = 1;
-		}
-		if ( fraccolleft > 0 ) {
-		    if ( needcol ) {
-			++nxP;
-			a = r = g = b = HALFSCALE;
-			needcol = 0;
-		    }
-		    if (as) {
-			a += fraccolleft * qAlpha( *xP );
-			r += fraccolleft * qRed( *xP ) * qAlpha( *xP ) / 255;
-			g += fraccolleft * qGreen( *xP ) * qAlpha( *xP ) / 255;
-			b += fraccolleft * qBlue( *xP ) * qAlpha( *xP ) / 255;
-		    } else {
-			r += fraccolleft * qRed( *xP );
-			g += fraccolleft * qGreen( *xP );
-			b += fraccolleft * qBlue( *xP );
-		    }
-		    fraccoltofill -= fraccolleft;
-		}
-	    }
-	    if ( fraccoltofill > 0 ) {
-		--xP;
-		if (as) {
-		    a += fraccolleft * qAlpha( *xP );
-		    r += fraccoltofill * qRed( *xP ) * qAlpha( *xP ) / 255;
-		    g += fraccoltofill * qGreen( *xP ) * qAlpha( *xP ) / 255;
-		    b += fraccoltofill * qBlue( *xP ) * qAlpha( *xP ) / 255;
-		    if ( a ) {
-			r = r * 255 / a * SCALE;
-			g = g * 255 / a * SCALE;
-			b = b * 255 / a * SCALE;
-		    }
-		} else {
-		    r += fraccoltofill * qRed( *xP );
-		    g += fraccoltofill * qGreen( *xP );
-		    b += fraccoltofill * qBlue( *xP );
-		}
-	    }
-	    if ( ! needcol ) {
-		r /= SCALE;
-		if ( r > maxval ) r = maxval;
-		g /= SCALE;
-		if ( g > maxval ) g = maxval;
-		b /= SCALE;
-		if ( b > maxval ) b = maxval;
-		if (as) {
-		    a /= SCALE;
-		    if ( a > maxval ) a = maxval;
-		    *nxP = qRgba( (int)r, (int)g, (int)b, (int)a );
-		} else {
-		    *nxP = qRgb( (int)r, (int)g, (int)b );
-		}
-	    }
-	}
+    for (row = 0; row < d->newrows; ++row) {
+        // First scale Y from xelrow into tempxelrow.
+        if (d->newrows == d->rows) {
+            // shortcut Y scaling if possible
+            tempxelrow = xelrow = scanLine(rowsread++, d->src);
+        } else {
+            while (fracrowleft < fracrowtofill) {
+                if (needtoreadrow && rowsread < d->rows)
+                    xelrow = scanLine(rowsread++, d->src);
+                for (col = 0, xP = xelrow; col < d->cols; ++col, ++xP) {
+                    if (as) {
+                        as[col] += fracrowleft * qAlpha(*xP);
+                        rs[col] += fracrowleft * qRed(*xP) * qAlpha(*xP) / 255;
+                        gs[col] += fracrowleft * qGreen(*xP) * qAlpha(*xP) / 255;
+                        bs[col] += fracrowleft * qBlue(*xP) * qAlpha(*xP) / 255;
+                    } else {
+                        rs[col] += fracrowleft * qRed(*xP);
+                        gs[col] += fracrowleft * qGreen(*xP);
+                        bs[col] += fracrowleft * qBlue(*xP);
+                    }
+                }
+                fracrowtofill -= fracrowleft;
+                fracrowleft = syscale;
+                needtoreadrow = 1;
+            }
+            // Now fracrowleft is >= fracrowtofill, so we can produce a row.
+            if (needtoreadrow && rowsread < d->rows) {
+                xelrow = scanLine(rowsread++, d->src);
+                needtoreadrow = 0;
+            }
+            for (col = 0, xP = xelrow, nxP = tempxelrow; col < d->cols; ++col, ++xP, ++nxP) {
+                register long a, r, g, b;
+
+                if (as) {
+                    r = rs[col] + fracrowtofill * qRed(*xP) * qAlpha(*xP) / 255;
+                    g = gs[col] + fracrowtofill * qGreen(*xP) * qAlpha(*xP) / 255;
+                    b = bs[col] + fracrowtofill * qBlue(*xP) * qAlpha(*xP) / 255;
+                    a = as[col] + fracrowtofill * qAlpha(*xP);
+                    if (a) {
+                        r = r * 255 / a * SCALE;
+                        g = g * 255 / a * SCALE;
+                        b = b * 255 / a * SCALE;
+                    }
+                } else {
+                    r = rs[col] + fracrowtofill * qRed(*xP);
+                    g = gs[col] + fracrowtofill * qGreen(*xP);
+                    b = bs[col] + fracrowtofill * qBlue(*xP);
+                    a = 0; // unwarn
+                }
+                r /= SCALE;
+                if (r > maxval)
+                    r = maxval;
+                g /= SCALE;
+                if (g > maxval)
+                    g = maxval;
+                b /= SCALE;
+                if (b > maxval)
+                    b = maxval;
+                if (as) {
+                    a /= SCALE;
+                    if (a > maxval)
+                        a = maxval;
+                    *nxP = qRgba((int)r, (int)g, (int)b, (int)a);
+                    as[col] = HALFSCALE;
+                } else {
+                    *nxP = qRgb((int)r, (int)g, (int)b);
+                }
+                rs[col] = gs[col] = bs[col] = HALFSCALE;
+            }
+            fracrowleft -= fracrowtofill;
+            if (fracrowleft == 0) {
+                fracrowleft = syscale;
+                needtoreadrow = 1;
+            }
+            fracrowtofill = SCALE;
+        }
+
+        // Now scale X from tempxelrow into dst and write it out.
+        if (d->newcols == d->cols) {
+            // shortcut X scaling if possible
+            memcpy(dst.scanLine(rowswritten++), tempxelrow, d->newcols * 4);
+        } else {
+            register long a, r, g, b;
+            register long fraccoltofill, fraccolleft = 0;
+            register int needcol;
+
+            nxP = (QRgb *)dst.scanLine(rowswritten++);
+            QRgb *nxPEnd = nxP + d->newcols;
+            fraccoltofill = SCALE;
+            a = r = g = b = HALFSCALE;
+            needcol = 0;
+            for (col = 0, xP = tempxelrow; col < d->cols; ++col, ++xP) {
+                fraccolleft = sxscale;
+                while (fraccolleft >= fraccoltofill) {
+                    if (needcol) {
+                        ++nxP;
+                        a = r = g = b = HALFSCALE;
+                    }
+                    if (as) {
+                        r += fraccoltofill * qRed(*xP) * qAlpha(*xP) / 255;
+                        g += fraccoltofill * qGreen(*xP) * qAlpha(*xP) / 255;
+                        b += fraccoltofill * qBlue(*xP) * qAlpha(*xP) / 255;
+                        a += fraccoltofill * qAlpha(*xP);
+                        if (a) {
+                            r = r * 255 / a * SCALE;
+                            g = g * 255 / a * SCALE;
+                            b = b * 255 / a * SCALE;
+                        }
+                    } else {
+                        r += fraccoltofill * qRed(*xP);
+                        g += fraccoltofill * qGreen(*xP);
+                        b += fraccoltofill * qBlue(*xP);
+                    }
+                    r /= SCALE;
+                    if (r > maxval)
+                        r = maxval;
+                    g /= SCALE;
+                    if (g > maxval)
+                        g = maxval;
+                    b /= SCALE;
+                    if (b > maxval)
+                        b = maxval;
+                    if (as) {
+                        a /= SCALE;
+                        if (a > maxval)
+                            a = maxval;
+                        *nxP = qRgba((int)r, (int)g, (int)b, (int)a);
+                    } else {
+                        *nxP = qRgb((int)r, (int)g, (int)b);
+                    }
+                    fraccolleft -= fraccoltofill;
+                    fraccoltofill = SCALE;
+                    needcol = 1;
+                }
+                if (fraccolleft > 0) {
+                    if (needcol) {
+                        ++nxP;
+                        a = r = g = b = HALFSCALE;
+                        needcol = 0;
+                    }
+                    if (as) {
+                        a += fraccolleft * qAlpha(*xP);
+                        r += fraccolleft * qRed(*xP) * qAlpha(*xP) / 255;
+                        g += fraccolleft * qGreen(*xP) * qAlpha(*xP) / 255;
+                        b += fraccolleft * qBlue(*xP) * qAlpha(*xP) / 255;
+                    } else {
+                        r += fraccolleft * qRed(*xP);
+                        g += fraccolleft * qGreen(*xP);
+                        b += fraccolleft * qBlue(*xP);
+                    }
+                    fraccoltofill -= fraccolleft;
+                }
+            }
+            if (fraccoltofill > 0) {
+                --xP;
+                if (as) {
+                    a += fraccolleft * qAlpha(*xP);
+                    r += fraccoltofill * qRed(*xP) * qAlpha(*xP) / 255;
+                    g += fraccoltofill * qGreen(*xP) * qAlpha(*xP) / 255;
+                    b += fraccoltofill * qBlue(*xP) * qAlpha(*xP) / 255;
+                    if (a) {
+                        r = r * 255 / a * SCALE;
+                        g = g * 255 / a * SCALE;
+                        b = b * 255 / a * SCALE;
+                    }
+                } else {
+                    r += fraccoltofill * qRed(*xP);
+                    g += fraccoltofill * qGreen(*xP);
+                    b += fraccoltofill * qBlue(*xP);
+                }
+            }
+            if (nxP < nxPEnd) {
+                r /= SCALE;
+                if (r > maxval)
+                    r = maxval;
+                g /= SCALE;
+                if (g > maxval)
+                    g = maxval;
+                b /= SCALE;
+                if (b > maxval)
+                    b = maxval;
+                if (as) {
+                    a /= SCALE;
+                    if (a > maxval)
+                        a = maxval;
+                    *nxP = qRgba((int)r, (int)g, (int)b, (int)a);
+                } else {
+                    *nxP = qRgb((int)r, (int)g, (int)b);
+                }
+                while (++nxP != nxPEnd)
+                    nxP[0] = nxP[-1];
+            }
+        }
     }
 
-    if ( d->newrows != d->rows && tempxelrow )// Robust, tempxelrow might be 0 1 day
-	delete [] tempxelrow;
-    if ( as )				// Avoid purify complaint
-	delete [] as;
-    if ( rs )				// Robust, rs might be 0 one day
-	delete [] rs;
-    if ( gs )				// Robust, gs might be 0 one day
-	delete [] gs;
-    if ( bs )				// Robust, bs might be 0 one day
-	delete [] bs;
+    if (d->newrows != d->rows && tempxelrow)// Robust, tempxelrow might be 0 1 day
+        delete [] tempxelrow;
+    if (as)				// Avoid purify complaint
+        delete [] as;
+    if (rs)				// Robust, rs might be 0 one day
+        delete [] rs;
+    if (gs)				// Robust, gs might be 0 one day
+        delete [] gs;
+    if (bs)				// Robust, bs might be 0 one day
+        delete [] bs;
 
     return dst;
 }
@@ -741,7 +753,7 @@ static bool ensureValidImage(QImage *dest, struct jpeg_decompress_struct *info,
             *dest = QImage(size, format);
 
         if (format == QImage::Format_Indexed8) {
-            dest->setNumColors(256);
+            dest->setColorCount(256);
             for (int i = 0; i < 256; i++)
                 dest->setColor(i, qRgb(i,i,i));
         }
@@ -851,7 +863,7 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
             } else if (cinfo.output_components == 1) {
                 if (outImage->size() != QSize(sWidth, sHeight) || outImage->format() != QImage::Format_Indexed8)
                     *outImage = QImage(sWidth, sHeight, QImage::Format_Indexed8);
-                outImage->setNumColors(256);
+                outImage->setColorCount(256);
                 for (int i = 0; i < 256; ++i)
                     outImage->setColor(i, qRgb(i,i,i));
             } else {
@@ -1054,7 +1066,7 @@ static bool write_jpeg_image(const QImage &sourceImage, QIODevice *device, int s
         case QImage::Format_MonoLSB:
         case QImage::Format_Indexed8:
             gray = true;
-            for (int i = image.numColors(); gray && i--;) {
+            for (int i = image.colorCount(); gray && i--;) {
                 gray = gray & (qRed(cmap[i]) == qGreen(cmap[i]) &&
                                qRed(cmap[i]) == qBlue(cmap[i]));
             }
diff --git a/src/plugins/imageformats/tiff/qtiffhandler.cpp b/src/plugins/imageformats/tiff/qtiffhandler.cpp
index 3669be7..9538745 100644
--- a/src/plugins/imageformats/tiff/qtiffhandler.cpp
+++ b/src/plugins/imageformats/tiff/qtiffhandler.cpp
@@ -192,7 +192,14 @@ bool QTiffHandler::read(QImage *image)
         return false;
     }
 
-    if (photometric == PHOTOMETRIC_MINISBLACK || photometric == PHOTOMETRIC_MINISWHITE) {
+    uint16 bitPerSample;
+    if (!TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bitPerSample)) {
+        TIFFClose(tiff);
+        return false;
+    }
+
+    bool grayscale = photometric == PHOTOMETRIC_MINISBLACK || photometric == PHOTOMETRIC_MINISWHITE;
+    if (grayscale && bitPerSample == 1) {
         if (image->size() != QSize(width, height) || image->format() != QImage::Format_Mono)
             *image = QImage(width, height, QImage::Format_Mono);
         QVector<QRgb> colortable(2);
@@ -208,42 +215,43 @@ bool QTiffHandler::read(QImage *image)
         if (!image->isNull()) {
             for (uint32 y=0; y<height; ++y) {
                 if (TIFFReadScanline(tiff, image->scanLine(y), y, 0) < 0) {
-                        TIFFClose(tiff);
-                        return false;
+                    TIFFClose(tiff);
+                    return false;
                 }
             }
         }
     } else {
-        uint16 bitPerSample;
-        if (!TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bitPerSample)) {
-            TIFFClose(tiff);
-            return false;
-        }
-        if (photometric == PHOTOMETRIC_PALETTE && bitPerSample == 8) {
+        if ((grayscale || photometric == PHOTOMETRIC_PALETTE) && bitPerSample == 8) {
             if (image->size() != QSize(width, height) || image->format() != QImage::Format_Indexed8)
                 *image = QImage(width, height, QImage::Format_Indexed8);
             if (!image->isNull()) {
-                // create the color table
                 const uint16 tableSize = 256;
-                uint16 *redTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
-                uint16 *greenTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
-                uint16 *blueTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
-                if (!redTable || !greenTable || !blueTable) {
-                    TIFFClose(tiff);
-                    return false;
-                }
-                if (!TIFFGetField(tiff, TIFFTAG_COLORMAP, &redTable, &greenTable, &blueTable)) {
-                    TIFFClose(tiff);
-                    return false;
-                }
-
                 QVector<QRgb> qtColorTable(tableSize);
-                for (int i = 0; i<tableSize ;++i) {
-                    const int red = redTable[i] / 257;
-                    const int green = greenTable[i] / 257;
-                    const int blue = blueTable[i] / 257;
-                    qtColorTable[i] = qRgb(red, green, blue);
+                if (grayscale) {
+                    for (int i = 0; i<tableSize; ++i) {
+                        const int c = (photometric == PHOTOMETRIC_MINISBLACK) ? i : (255 - i);
+                        qtColorTable[i] = qRgb(c, c, c);
+                    }
+                } else {
+                    // create the color table
+                    uint16 *redTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
+                    uint16 *greenTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
+                    uint16 *blueTable = static_cast<uint16 *>(qMalloc(tableSize * sizeof(uint16)));
+                    if (!redTable || !greenTable || !blueTable) {
+                        TIFFClose(tiff);
+                        return false;
+                    }
+                    if (!TIFFGetField(tiff, TIFFTAG_COLORMAP, &redTable, &greenTable, &blueTable)) {
+                        TIFFClose(tiff);
+                        return false;
+                    }
 
+                    for (int i = 0; i<tableSize ;++i) {
+                        const int red = redTable[i] / 257;
+                        const int green = greenTable[i] / 257;
+                        const int blue = blueTable[i] / 257;
+                        qtColorTable[i] = qRgb(red, green, blue);
+                    }
                 }
 
                 image->setColorTable(qtColorTable);
@@ -371,6 +379,20 @@ bool QTiffHandler::read(QImage *image)
     return true;
 }
 
+static bool checkGrayscale(const QVector<QRgb> &colorTable)
+{
+    if (colorTable.size() != 256)
+        return false;
+
+    const bool increasing = (colorTable.at(0) == 0xff000000);
+    for (int i = 0; i < 256; ++i) {
+        if (increasing && colorTable.at(i) != qRgb(i, i, i)
+            || !increasing && colorTable.at(i) != qRgb(255 - i, 255 - i, 255 - i))
+            return false;
+    }
+    return true;
+}
+
 bool QTiffHandler::write(const QImage &image)
 {
     if (!device()->isWritable())
@@ -425,7 +447,8 @@ bool QTiffHandler::write(const QImage &image)
         if (image.colorTable().at(0) == 0xffffffff)
             photometric = PHOTOMETRIC_MINISWHITE;
         if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, photometric)
-            || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_CCITTRLE)) {
+            || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_CCITTRLE)
+            || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 1)) {
             TIFFClose(tiff);
             return false;
         }
@@ -450,43 +473,55 @@ bool QTiffHandler::write(const QImage &image)
         }
         TIFFClose(tiff);
     } else if (format == QImage::Format_Indexed8) {
-        if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE)
-            || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_PACKBITS)
-            || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8)) {
-            TIFFClose(tiff);
-            return false;
-        }
-        //// write the color table
-        // allocate the color tables
-        uint16 *redTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
-        uint16 *greenTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
-        uint16 *blueTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
-        if (!redTable || !greenTable || !blueTable) {
-            TIFFClose(tiff);
-            return false;
-        }
-
-        // set the color table
         const QVector<QRgb> colorTable = image.colorTable();
+        bool isGrayscale = checkGrayscale(colorTable);
+        if (isGrayscale) {
+            uint16 photometric = PHOTOMETRIC_MINISBLACK;
+            if (image.colorTable().at(0) == 0xffffffff)
+                photometric = PHOTOMETRIC_MINISWHITE;
+            if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, photometric)
+                    || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_PACKBITS)
+                    || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8)) {
+                TIFFClose(tiff);
+                return false;
+            }
+        } else {
+            if (!TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE)
+                    || !TIFFSetField(tiff, TIFFTAG_COMPRESSION, compression == NoCompression ? COMPRESSION_NONE : COMPRESSION_PACKBITS)
+                    || !TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8)) {
+                TIFFClose(tiff);
+                return false;
+            }
+            //// write the color table
+            // allocate the color tables
+            uint16 *redTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
+            uint16 *greenTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
+            uint16 *blueTable = static_cast<uint16 *>(qMalloc(256 * sizeof(uint16)));
+            if (!redTable || !greenTable || !blueTable) {
+                TIFFClose(tiff);
+                return false;
+            }
 
-        const int tableSize = colorTable.size();
-        Q_ASSERT(tableSize <= 256);
-        for (int i = 0; i<tableSize; ++i) {
-            const QRgb color = colorTable.at(i);
-            redTable[i] = qRed(color) * 257;
-            greenTable[i] = qGreen(color) * 257;
-            blueTable[i] = qBlue(color) * 257;
-        }
+            // set the color table
+            const int tableSize = colorTable.size();
+            Q_ASSERT(tableSize <= 256);
+            for (int i = 0; i<tableSize; ++i) {
+                const QRgb color = colorTable.at(i);
+                redTable[i] = qRed(color) * 257;
+                greenTable[i] = qGreen(color) * 257;
+                blueTable[i] = qBlue(color) * 257;
+            }
 
-        const bool setColorTableSuccess = TIFFSetField(tiff, TIFFTAG_COLORMAP, redTable, greenTable, blueTable);
+            const bool setColorTableSuccess = TIFFSetField(tiff, TIFFTAG_COLORMAP, redTable, greenTable, blueTable);
 
-        qFree(redTable);
-        qFree(greenTable);
-        qFree(blueTable);
+            qFree(redTable);
+            qFree(greenTable);
+            qFree(blueTable);
 
-        if (!setColorTableSuccess) {
-            TIFFClose(tiff);
-            return false;
+            if (!setColorTableSuccess) {
+                TIFFClose(tiff);
+                return false;
+            }
         }
 
         //// write the data