Merge commit 'origin/4.6' into oslo1-master

Conflicts:
	doc/src/deployment/deployment.qdoc
	doc/src/getting-started/installation.qdoc
	examples/assistant/simpletextviewer/findfiledialog.cpp
	examples/assistant/simpletextviewer/findfiledialog.h
	examples/assistant/simpletextviewer/mainwindow.cpp
	examples/webkit/fancybrowser/main.cpp
	src/corelib/global/qglobal.h
	src/gui/dialogs/qfiledialog_win.cpp
	src/plugins/qpluginbase.pri
	src/qbase.pri
	tests/auto/selftests/expected_cmptest.txt
	tests/auto/selftests/expected_crashes_3.txt
	tests/auto/selftests/expected_longstring.txt
	tests/auto/selftests/expected_maxwarnings.txt
	tests/auto/selftests/expected_skip.txt
	tools/assistant/compat/config.cpp
	tools/assistant/compat/config.h
	tools/assistant/compat/docuparser.cpp
	tools/assistant/compat/docuparser.h
	tools/assistant/compat/fontsettingsdialog.cpp
	tools/assistant/compat/helpdialog.cpp
	tools/assistant/compat/helpdialog.h
	tools/assistant/compat/helpdialog.ui
	tools/assistant/compat/helpwindow.cpp
	tools/assistant/compat/helpwindow.h
	tools/assistant/compat/index.cpp
	tools/assistant/compat/index.h
	tools/assistant/compat/lib/qassistantclient.cpp
	tools/assistant/compat/lib/qassistantclient.h
	tools/assistant/compat/main.cpp
	tools/assistant/compat/mainwindow.cpp
	tools/assistant/compat/mainwindow.h
	tools/assistant/compat/mainwindow.ui
	tools/assistant/compat/profile.cpp
	tools/assistant/compat/profile.h
	tools/assistant/compat/tabbedbrowser.cpp
	tools/assistant/compat/tabbedbrowser.h
	tools/assistant/compat/tabbedbrowser.ui
	tools/assistant/compat/topicchooser.cpp
	tools/assistant/compat/topicchooser.ui
	tools/assistant/lib/qhelpsearchquerywidget.cpp
	tools/assistant/tools/assistant/centralwidget.cpp
	tools/assistant/tools/assistant/doc/assistant.qdocconf
	tools/assistant/tools/assistant/helpviewer.cpp
	tools/linguist/lupdate/main.cpp
	tools/qdoc3/test/assistant.qdocconf
	tools/qdoc3/test/designer.qdocconf
	tools/qdoc3/test/linguist.qdocconf
	tools/qdoc3/test/qmake.qdocconf
	tools/qdoc3/test/qt-build-docs.qdocconf
	tools/qdoc3/test/qt.qdocconf

1 files changed, 13 insertions, 10 deletions

diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index ec8dd88..4f5efa1 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -696,7 +696,9 @@ bool QImageData::checkForAlphaPixels() const
 /*!
     \enum QImage::Format
 
-    The following image formats are available in all versions of Qt:
+    The following image formats are available in Qt. Values greater
+    than QImage::Format_RGB16 were added in Qt 4.4. See the notes
+    after the table.
 
     \value Format_Invalid   The image is invalid.
     \value Format_Mono      The image is stored using 1-bit per pixel. Bytes are
@@ -705,17 +707,12 @@ bool QImageData::checkForAlphaPixels() const
                             packed with the less significant bit (LSB) first.
 
     \value Format_Indexed8  The image is stored using 8-bit indexes
-                            into a colormap. \warning Drawing into a
-                            QImage with Indexed8 format is not
-                            supported.
+                            into a colormap. 
 
     \value Format_RGB32     The image is stored using a 32-bit RGB format (0xffRRGGBB).
 
     \value Format_ARGB32    The image is stored using a 32-bit ARGB
-                            format (0xAARRGGBB). \warning Do not
-                            render into ARGB32 images using
-                            QPainter. Format_ARGB32_Premultiplied is
-                            significantly faster.
+                            format (0xAARRGGBB).
 
     \value Format_ARGB32_Premultiplied  The image is stored using a premultiplied 32-bit
                             ARGB format (0xAARRGGBB), i.e. the red,
@@ -744,6 +741,12 @@ bool QImageData::checkForAlphaPixels() const
     \value Format_ARGB4444_Premultiplied  The image is stored using a
                             premultiplied 16-bit ARGB format (4-4-4-4).
 
+    \note Drawing into a QImage with QImage::Format_Indexed8 is not
+    supported.
+
+    \note Do not render into ARGB32 images using QPainter.  Using
+    QImage::Format_ARGB32_Premultiplied is significantly faster.
+
     \sa format(), convertToFormat()
 */
 
@@ -3989,7 +3992,7 @@ QImage QImage::scaled(const QSize& s, Qt::AspectRatioMode aspectMode, Qt::Transf
     QSize newSize = size();
     newSize.scale(s, aspectMode);
     if (newSize == size())
-        return copy();
+        return *this;
 
     QTransform wm = QTransform::fromScale((qreal)newSize.width() / width(), (qreal)newSize.height() / height());
     QImage img = transformed(wm, mode);