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Reviewed-by: trust me
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In libjpeg versions >= 7, the default unit-scaling when decompressing
is given as 8/8 instead of 1/1.
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For historical reasons, QJpegHandler had its own smoothscaling code.
QImage's scaling has since evolved to become both faster and better, so
avoid code duplication and just use QImage for scaling.
Reviewed-by: Trond
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Reviewed-by: Trust Me
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Where possible, we convert the post-scale clip rectangle into a
pre-scale clip rectangle because it is more efficient to clip first.
Task-number: QT-2023
Reviewed-by: Sarah Smith
Reviewed-by: Daniel Pope
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The jpeg is read and scanlines discarded until the clip region
is found (libjpeg doesn't support direct seeking). This is
faster than the previous approach of reading the entire jpeg
and then clipping.
Task-number: QT-2023
Reviewed-by: Sarah Smith
Reviewed-by: Daniel Pope
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The libjpeg library has builtin support for scaling to 1/2, 1/4, and 1/8
the original size very quickly. Use this in the implementation of
setScaledSize() to get close to the desired size and then scale
with QImageSmoothScaler the rest of the way.
Task-number: QT-2023
Reviewed-by: Daniel Pope
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A long time ago, in a Qt version far, far, away there was a
parameter string mechanism for asking for header details,
requesting scaling, and so on. This has since been replaced
with actual real API's and it is no longer possible to pass
such parameter strings to the image plugins. This change
removes the crufty beloved old code.
Reviewed-by: Sarah Smith
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Conflicts:
dist/changes-4.6.0
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QPaintDevice and QImage used the functions numColors(), setNumColors(),
and numBytes(). However, this is not consistent with the rest of the Qt
API which uses *Count() and set*Count().
Removed all usage of these functions inside Qt and test-cases.
Reviewed-by: Andreas Aardal Hanssen
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Loading a JPEG image after calling QImageReader::setScaledSize() could
cause a 1 pixel wide column of uninitialised pixels at the far right of
the image. The bug was caused by rounding in the scaling algorithm.
Fixed by copying the last calculated pixel all the way to the end of
the row.
Task-number: QTBUG-3282
Reviewed-by: Trond
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Replaced tabs with spaces and Qt-ified code formatting in
QImageSmoothScaler::scale().
Reviewed-by: Trond
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Task-number: QTBUG-3211
Task-number: 236875
Reviewed-by: Alex
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Reviewed-by: Trust Me
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Conflicts:
demos/boxes/glshaders.cpp
demos/boxes/vector.h
demos/embedded/fluidlauncher/pictureflow.cpp
demos/embedded/fluidlauncher/pictureflow.h
doc/src/desktop-integration.qdoc
doc/src/distributingqt.qdoc
doc/src/examples-overview.qdoc
doc/src/examples.qdoc
doc/src/frameworks-technologies/dbus-adaptors.qdoc
doc/src/geometry.qdoc
doc/src/groups.qdoc
doc/src/objecttrees.qdoc
doc/src/platform-notes.qdoc
doc/src/plugins-howto.qdoc
doc/src/qt3support.qdoc
doc/src/qtdbus.qdoc
doc/src/qtdesigner.qdoc
doc/src/qtgui.qdoc
doc/src/qtmain.qdoc
doc/src/qtopengl.qdoc
doc/src/qtsvg.qdoc
doc/src/qtuiloader.qdoc
doc/src/qundo.qdoc
doc/src/richtext.qdoc
doc/src/topics.qdoc
src/corelib/tools/qdumper.cpp
src/gui/embedded/qkbdpc101_qws.cpp
src/gui/embedded/qkbdsl5000_qws.cpp
src/gui/embedded/qkbdusb_qws.cpp
src/gui/embedded/qkbdvr41xx_qws.cpp
src/gui/embedded/qkbdyopy_qws.cpp
src/gui/embedded/qmousebus_qws.cpp
src/gui/embedded/qmousevr41xx_qws.cpp
src/gui/embedded/qmouseyopy_qws.cpp
src/gui/painting/qpaintengine_d3d.cpp
src/gui/painting/qwindowsurface_d3d.cpp
src/opengl/gl2paintengineex/glgc_shader_source.h
src/opengl/gl2paintengineex/qglpexshadermanager.cpp
src/opengl/gl2paintengineex/qglpexshadermanager_p.h
src/opengl/gl2paintengineex/qglshader.cpp
src/opengl/gl2paintengineex/qglshader_p.h
src/opengl/util/fragmentprograms_p.h
src/plugins/kbddrivers/linuxis/linuxiskbdhandler.cpp
src/plugins/mousedrivers/linuxis/linuxismousehandler.cpp
src/script/parser/qscript.g
src/script/qscriptarray_p.h
src/script/qscriptasm_p.h
src/script/qscriptbuffer_p.h
src/script/qscriptclass.cpp
src/script/qscriptclassdata_p.h
src/script/qscriptcompiler.cpp
src/script/qscriptcompiler_p.h
src/script/qscriptcontext.cpp
src/script/qscriptcontext_p.cpp
src/script/qscriptcontext_p.h
src/script/qscriptcontextfwd_p.h
src/script/qscriptecmaarray.cpp
src/script/qscriptecmaarray_p.h
src/script/qscriptecmaboolean.cpp
src/script/qscriptecmacore.cpp
src/script/qscriptecmadate.cpp
src/script/qscriptecmadate_p.h
src/script/qscriptecmaerror.cpp
src/script/qscriptecmaerror_p.h
src/script/qscriptecmafunction.cpp
src/script/qscriptecmafunction_p.h
src/script/qscriptecmaglobal.cpp
src/script/qscriptecmaglobal_p.h
src/script/qscriptecmamath.cpp
src/script/qscriptecmamath_p.h
src/script/qscriptecmanumber.cpp
src/script/qscriptecmanumber_p.h
src/script/qscriptecmaobject.cpp
src/script/qscriptecmaobject_p.h
src/script/qscriptecmaregexp.cpp
src/script/qscriptecmaregexp_p.h
src/script/qscriptecmastring.cpp
src/script/qscriptecmastring_p.h
src/script/qscriptengine.cpp
src/script/qscriptengine_p.cpp
src/script/qscriptengine_p.h
src/script/qscriptenginefwd_p.h
src/script/qscriptextenumeration.cpp
src/script/qscriptextenumeration_p.h
src/script/qscriptextqobject.cpp
src/script/qscriptextqobject_p.h
src/script/qscriptextvariant.cpp
src/script/qscriptfunction.cpp
src/script/qscriptfunction_p.h
src/script/qscriptgc_p.h
src/script/qscriptmember_p.h
src/script/qscriptobject_p.h
src/script/qscriptprettypretty.cpp
src/script/qscriptprettypretty_p.h
src/script/qscriptvalue.cpp
src/script/qscriptvalueimpl.cpp
src/script/qscriptvalueimpl_p.h
src/script/qscriptvalueimplfwd_p.h
src/script/qscriptvalueiteratorimpl.cpp
src/script/qscriptxmlgenerator.cpp
src/script/qscriptxmlgenerator_p.h
tests/auto/linguist/lupdate/testdata/recursivescan/project.ui
tests/auto/linguist/lupdate/testdata/recursivescan/sub/finddialog.cpp
tests/auto/qkeyevent/tst_qkeyevent.cpp
tools/linguist/shared/cpp.cpp
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Reviewed-by: Trust Me
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Conflicts:
tests/auto/linguist/lupdate/testdata/good/backslashes/project.ts.result
tests/auto/linguist/lupdate/testdata/good/lacksqobject/expectedoutput.txt
tests/auto/linguist/lupdate/testdata/good/mergecpp_noobsolete/finddialog.cpp
tests/auto/linguist/lupdate/testdata/good/mergecpp_noobsolete/project.ts.result
tests/auto/linguist/lupdate/testdata/good/mergecpp_obsolete/finddialog.cpp
tests/auto/linguist/lupdate/testdata/good/mergecpp_obsolete/project.ts.result
tests/auto/linguist/lupdate/testdata/good/parsecpp/finddialog.cpp
tests/auto/qcombobox/tst_qcombobox.cpp
tests/auto/xmlpatternsview/view/FunctionSignaturesView.cpp
tests/auto/xmlpatternsview/view/MainWindow.cpp
tests/auto/xmlpatternsview/view/TestCaseView.cpp
tests/auto/xmlpatternsview/view/TestResultView.cpp
tests/auto/xmlpatternsview/view/TreeSortFilter.cpp
tests/auto/xmlpatternsview/view/UserTestCase.cpp
tests/auto/xmlpatternsview/view/XDTItemItem.cpp
tests/auto/xmlpatternsview/view/main.cpp
tests/auto/xmlpatternsxqts/lib/ASTItem.h
tests/auto/xmlpatternsxqts/lib/DebugExpressionFactory.h
tests/auto/xmlpatternsxqts/lib/ExpressionNamer.h
tests/auto/xmlpatternsxqts/lib/ExternalSourceLoader.h
tests/auto/xmlpatternsxqts/lib/Global.h
tests/auto/xmlpatternsxqts/lib/ResultThreader.h
tests/auto/xmlpatternsxqts/lib/TestBaseLine.h
tests/auto/xmlpatternsxqts/lib/TestCase.h
tests/auto/xmlpatternsxqts/lib/TestResult.h
tests/auto/xmlpatternsxqts/lib/TestResultHandler.h
tests/auto/xmlpatternsxqts/lib/TestSuiteHandler.h
tests/auto/xmlpatternsxqts/lib/Worker.h
tests/auto/xmlpatternsxqts/lib/XMLWriter.h
tests/auto/xmlpatternsxqts/lib/XQTSTestCase.h
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encoded JPEG
CMKY encoded JPEG code missing from scaled image JPEG loading
Task-number: 260192
Reviewed-by: Stian Sandvik Thomassen
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Reviewed-by: Trust Me
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Reviewed-by: TrustMe
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Conflicts:
examples/opengl/samplebuffers/glwidget.cpp
src/corelib/io/qfsfileengine_unix.cpp
src/corelib/kernel/qobject.cpp
src/corelib/tools/qsharedpointer.cpp
src/gui/gui.pro
tests/auto/qhttp/tst_qhttp.cpp
tests/auto/qkeyevent/tst_qkeyevent.cpp
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Reviewed-by: Trust Me
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Conflicts:
src/corelib/kernel/qcoreevent.cpp
src/corelib/tools/qdumper.cpp
src/gui/kernel/qwidget.cpp
src/gui/kernel/qwidget_p.h
src/gui/kernel/qwidget_s60.cpp
src/gui/text/qfontdatabase.cpp
src/network/access/qnetworkreplyimpl.cpp
src/sql/drivers/ibase/qsql_ibase.cpp
src/testlib/qtestcase.cpp
src/testlib/testlib.pro
tests/auto/network-settings.h
tests/auto/q3sqlcursor/tst_q3sqlcursor.cpp
tests/auto/qobjectrace/tst_qobjectrace.cpp
tests/auto/qsqldatabase/tst_qsqldatabase.cpp
tools/configure/configureapp.cpp
translations/qt_ru.ts
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Conflicts:
.gitignore
src/gui/dialogs/qfiledialog_p.h
src/gui/painting/qpaintengine_raster.cpp
src/gui/text/qfontdatabase.cpp
tests/auto/network-settings.h
tests/auto/qitemdelegate/tst_qitemdelegate.cpp
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Conflicts:
.gitignore
configure.exe
src/corelib/concurrent/qtconcurrentthreadengine.h
src/corelib/global/qnamespace.h
src/gui/graphicsview/qgraphicssceneevent.h
src/gui/kernel/qapplication.cpp
src/gui/kernel/qapplication.h
src/gui/kernel/qapplication_p.h
src/gui/kernel/qapplication_qws.cpp
src/gui/kernel/qwidget.h
src/gui/painting/qpaintengine_raster.cpp
src/gui/text/qfontdatabase.cpp
src/network/access/qnetworkaccesshttpbackend.cpp
tests/auto/network-settings.h
tests/auto/qscriptjstestsuite/qscriptjstestsuite.pro
tests/auto/qvariant/tst_qvariant.cpp
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Reviewed-by: Trust Me
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Bring Qt 4.6 into the Qt-S60 repo.
Conflicts:
configure.exe
mkspecs/features/qttest_p4.prf
qmake/generators/makefile.cpp
src/corelib/io/qdir.cpp
src/corelib/io/qprocess.h
src/corelib/kernel/qcoreevent.h
src/corelib/kernel/qobject.cpp
src/corelib/kernel/qsharedmemory_unix.cpp
src/corelib/thread/qthread_p.h
src/corelib/tools/qvector.h
src/gui/dialogs/qdialog.cpp
src/gui/dialogs/qfiledialog.cpp
src/gui/dialogs/qfiledialog_p.h
src/gui/dialogs/qmessagebox.cpp
src/gui/graphicsview/qgraphicsitem.cpp
src/gui/graphicsview/qgraphicsview.cpp
src/gui/image/qpixmapcache.cpp
src/gui/kernel/qapplication.cpp
src/gui/kernel/qapplication_p.h
src/gui/kernel/qwidget.cpp
src/gui/kernel/qwidget_p.h
src/gui/painting/qdrawhelper.cpp
src/gui/painting/qpaintengine_raster.cpp
src/gui/text/qfontengine_qpf.cpp
src/gui/widgets/qmenubar.cpp
src/network/socket/qlocalserver.cpp
src/testlib/qtestcase.cpp
src/testlib/testlib.pro
tests/auto/qimagereader/tst_qimagereader.cpp
tests/auto/qitemdelegate/tst_qitemdelegate.cpp
tests/auto/qnetworkreply/tst_qnetworkreply.cpp
tests/auto/qpixmap/qpixmap.pro
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Avoid a division by 0 when doing QImageReader::setScaledSize(QSize(0, 0))
for jpeg formats.
Reviewed-by: thierry
Task-number: 255627
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