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Previously we used hasPartialUpdateSupport() to deduce whether the
window surface's contents are preserved when flush is called or not, but
that limits us from fully supporting platforms which might allow partial
updates even though the surface contents aren't preserved on flush.
If hasPreservedContents() returns false, that means a flush of a region
is never allowed without first painting to that region. If
hasPartialUpdateSupport() returns false, the whole window surface must
always be painted whenever an update is requested. Note that
hasPreservedContents() will typically imply hasPartialUpdateSupport(),
but not vice versa.
Reviewed-by: Bjørn Erik Nilsen
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This avoids the double-thickness lines at low point sizes which were
caused by a line just barely straddling two pixels.
Reviewed-by: Jens Bache-Wiig
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging:
Fix crash and infinite recursion caused by previous commits
Fix remaining regressions in QWS
Take Xft.hintstyle by default to match the behavior of GTK+
Fixed remaining issues in subpixel positioning with FreeType
Fix QTransform debug output
qFloor the decoration line width before painting
Let QTextLine decide its own x position in QPainter
Avoid repeatedly trying to load unloadable plugins, causing slowness
Reset GL glyph cache when texture limit is reached
unlockFace was put in the wrong place in previous patch
Implement subpixel positioning with FreeType
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* 'master' of git://scm.dev.nokia.troll.no/qt/qt-fire-team:
Fix crash and infinite recursion caused by previous commits
Fix remaining regressions in QWS
Take Xft.hintstyle by default to match the behavior of GTK+
Fixed remaining issues in subpixel positioning with FreeType
Fix QTransform debug output
qFloor the decoration line width before painting
Let QTextLine decide its own x position in QPainter
Avoid repeatedly trying to load unloadable plugins, causing slowness
Reset GL glyph cache when texture limit is reached
unlockFace was put in the wrong place in previous patch
Implement subpixel positioning with FreeType
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Reviewed-by: TrustMe
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Reviewed-by: TrustMe
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For Qt apps running in GNOME, we use the GTK+ settings by
default (instead of fontconfig settings).
Task-number: QTBUG-13800
Reviewed-by: Samuel
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1. Merge QStaticText and QGlyphs drawing code of raster engine
into glyph drawing code for normal QTextItem, it simplify
the caching system (we don't use QImageTextureGlyphCache for
raster anymore, just glyph set cache in FreeType engine is
enough), and fix some regressions in QStaticText and QGlyphs
drawing.
2. Fix subpixel positioning support for OpenGL texture glyph
cache. Including a transform handling regression introduced
by the initial patch.
3. Disable subpixel positioning for bitmap fonts (mono format).
After this change, we only have two code paths for glyph rendering
with FreeType: raster will always use the simple code path (with
QFontEngine_FT cache) while GL will always use QTextureGlyphCache.
Reviewed-by: Eskil
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Reviewed-by: Eskil
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It's a special case when enabling design (fractional) metrics,
we need to floor it to keep consistency with integer metrics.
Reviewed-by: Eskil
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So that it can take trailing space width into account when
doing right aligned text drawing.
Task-number: QTBUG-18303
Reviewed-by: Eskil
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This is a port of 72f161739b270b01807f97cd853030440f0fd430 which was
reverted in integration to master, since it was incompatible with
the refactored glyph cache.
When the GL glyph cache reached its texture limit, we have to reset it
and start over. Added a new cleanup() function in
QGLContextGroupResourceBase which deletes the resource for a given
context and removes itself from that context group.
Task-number: QTBUG-13784
Reviewed-by: Samuel
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Should only unlock once after the loop.
Reviewed-by: TrustMe
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QFontEngineFT are used in raster/OpenGL paint engine and QGLWidget,
also in Symbian, etc. We want to make sure it works well in raster
and QGLWidget first. Regardless subpixel antialiasing (LCD filtering)
is enabled or not (though it does look better when subpixel
antialiasing is on). We also need to support transformations.
The tricky part here is that, under X11, we have a different code
path for QFontEngineFT and other font engines in raster engine,
which uses QFontEngineFT's own glyph cache system. While in other
platforms (Windows and Mac) and QGLWidget, we will use the generic
QTextureGlyphCache.
The generic QTextureGlyphCache already has support for subpixel
positions, this solution is ported to QFontEngineFT for its
QGlyphSet: the key for QGlyphSet hash table has been extended from
glyph_t to <glyph_t, QFixed subPixelPosition> pair.
The real work to enable subpixel positioning with FreeType is in
fact really simple, we just set the horizontal translation to the
subpixel position * 64 (FreeType uses a coordinate system of 1/64
of a pixel resolution internally) immediately before loading the
glyph. A slight tweek to bitmap width is applied when we are
getting the bitmap ourselves instead of using FT_Render_Glyph to
accommodate the subpixel translation, which will only be used in
non-LCD filtering cases (grayscale antialiasing).
From what we have observed, FreeType can generate different bitmaps
for at least 12 different subpixel positions (each with a slight
difference). To limit the memory consumption, we restrict the
number of subpixel positions to be 4 (hardcoded), which should be
good enough for most low resolution displays.
Subpixel positioning (and fractional glyph advances) will only be
enabled when the hintingPreference for the font being used is
PreferNoHinting or PreferVerticalHinting. We will use fontconfig
hintstyle setting by default when no hintingPreference is set for
the font.
Task-number: QTBUG-12279
Reviewed-by: Eskil
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In certain uncommon situations, where different Qt versions are used
on the same system, the plugin caching optimization may identify a dll
as a valid plugin, even though it will later fail to load. This fix
will avoid that Qt repeatdly tries to reopen such dlls, something
which caused a significant performance hit in these cases. E.g. where
Qt would unsuccessfully try to load a number of KDE image format plugins
for every image loading operation.
Task-number: QTBUG-10066
Reviewed-by: thiago
Reviewed-by: janarve
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-tools-staging:
Designer: Fix tab order in action editor dialog.
Make QtUiTools use the lib-infix passed to configure.
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Task-number: QTBUG-18400
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Patch contributed by OpenEmbedded project.
Reviewed-by: hjk
Task-number: QTBUG-7169
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
tst_qlocale: improve failure message in tst_QLocale::macDefaultLocale
Add a once-over unrolled fromLatin1 conversion (32 characters)
Add 16-byte loads of the Neon fromLatin1 functions
Fix warning about unused parameter
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Use QVERIFY2 to output more details about this failure.
Reviewed-by: Toby Tomkins
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This was suggested by Matthias Kretz on my blog. It improves on GCC
(one case up to 5%), but worsens on ICC (up to 5%).
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-earth-staging:
Skip failing tests
QDir: Fix absolute paths when using file engines
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c7748b7838522ec38ec01423f1267acf1f163606 fixed a bug in
QDir::absoluteFilePath that was masking failures in QtScript's v8 test
suite. Those will have to be looked into separately. For now, skipping
the tests.
These are the uncovered failures, broken out by platform and test, and
formatted as "test-name:line-number: actual-value / expected-value":
* linux-icc_ubuntu1004
- math-min-max:50: Inf / -Inf
- negate-zero:50: false / true
- str-to-num:50: Inf / -Inf
* linux-icc_ubuntu1004
& macx-g++_cocoa_osx106
- smi-negative-zero:50: -Inf / Inf
* linux-icc_ubuntu1004
& macx-g++_cocoa
& macx-g++_cocoa_osx106
& win32-msvc2005_windows_xp
& win32-msvc2008_windows_xp
- to-precision:50: 1.235e+27 / 1.234e+27
Reviewed-by: Kent Hansen
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QFileSystemEntry doesn't know about paths as implemented by custom file
engines, such as is the case with resource files. In such cases, we need
to allow the engine to make the relative to absolute conversion.
Expanded QDir's test case to ensure resource paths are considered in
more places.
Task-number: QTBUG-17921
Reviewed-by: Prasanth Ullattil
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-releng-staging:
Removed old autotest references from Symbian build files
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Tests not in use anymore, removed from the layers and package
definition files.
Reviewed-by: TrustMe
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scm.dev.nokia.troll.no:qt/qt-integration into master-integration
* 'qt-master-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration:
Icon in QMessageBox::question is deformed on Symbian
Prevent crash when connecting signal in splitview
GraphicsViews: Focused widget is not visible after orientation change
GraphicsViews: Focused widget is not visible after orientation change
Add missing nullify for the s60 style's background pixmap pointer.
Fixes QT-4753
sort out stdout vs. stderr usage
Changes for 4.7.3
Implement tiled image and pixmap drawing in VG paint engine.
Changed maximum heap size for qmlflickr on Symbian.
Change Symbian to use destroyed swap behaviour in GL
Remove useless profile reference.
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Conflicts:
src/opengl/qwindowsurface_gl.cpp
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public:
Icon in QMessageBox::question is deformed on Symbian
Prevent crash when connecting signal in splitview
GraphicsViews: Focused widget is not visible after orientation change
GraphicsViews: Focused widget is not visible after orientation change
Add missing nullify for the s60 style's background pixmap pointer.
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MessageBox icons are deformed on Qt/S60, since style creates all icons with 1:1
width:height ratio. Based on S60 documentation messagebox icons
are of 4:3 ratio. This is the same ratio between all the S60 releases.
Task-number: QTBUG-14953
Reviewed-by: Laszlo Agocs
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If there is no focusitem when connecting a signal, splitview crashes.
This is caused by null pointer use. Prevent the crash by checking the
pointer.
Task-number: QTBUG-16572
Reviewed-by: Guoqing Zhang
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Clean up previous fix a little bit, by merging if-statements.
Task-number: QTBUG-17576
Reviewed-by: Guoqing Zhang
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If there is a graphicsview with input widget focused and splitview is
open, and we rotate the device from Portrait to Landscape
(or vice versa), the input widget is no longer visible in the
splitview rect. This only happens if there are scrollbars visible
in the view.
Reason is that the input widget is tried to ensure visibility for
before window surface is valid. In these cases, make the input widget
visibility re-location happen after window server indicates that the
view is now visible.
Task-number: QTBUG-17576
Reviewed-by: Guoqing Zhang
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Qt apps would crash during orientation change without setting
m_background to null after deleting it.
Reviewed-by: Sami Merila
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
Fixes QT-4753
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Invalid read in ICD plugin for bearer management.
Reviewed-by: Iiro Kause
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
sort out stdout vs. stderr usage
Changes for 4.7.3
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Task-number: QTBUG-14728
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Reviewed-by: Trust Me
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public:
Implement tiled image and pixmap drawing in VG paint engine.
Changed maximum heap size for qmlflickr on Symbian.
Change Symbian to use destroyed swap behaviour in GL
Remove useless profile reference.
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The vgWritePixel-based "fallback" in drawImage can only be used when
the transformation is simple and no opacity is set. The tiled drawing
introduced here will serve as an additional fallback for the more
complex cases and will allow drawing large (12 Mpix or more) pixmaps
and images with transformation and semi-transparency even when the
complete image data would not fit into the GPU memory.
Task-number: QTBUG-18251
Reviewed-by: Jani Hautakangas
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Destroyed swap behaviour is a little bit faster than
preserved swap with heavily animated UIs like QML.
Task-number: QTBUG-18270
Reviewed-by: Samuel Rødal
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The profile has been empty since the plugin functionality was moved
into QtMultimedia itself (d73df73c556b0a225fdde7341549ed834bc691f4).
RevBy: Miikka Heikkinen
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32 MB is certainly not enough to load large (e.g. 12 Mpix or bigger)
images. Now it is changed to 128 MB.
Reviewed-by: Jani Hautakangas
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (48 commits)
Remove the use of the QtTest baseline feature I reverted
Revert "Add a feature to QTestLib to correct benchmark results."
Use the ARM version of UTF-8 detection in the Neon code
Update the data files for the QString benchmark test
Fix a bug in the SSE2 UTF-8 decoder.
Add ARM Neon versions of fromLatin1 and fromUtf8
Make this compile on Atom/Core2 (no SSE4) and on ARM (no SSE)
Add baselines and zeros to the benchmarks.
Add an UTF-8 conversion on trusted data and no BOM.
Make it easier to write a UTF-8 conversion on trusted data
Add the missing tests and 4-byte UTF-8 sequences
Improve the code and avoid unnecessary stores
Add an UTF-8 conversion optimised for ASCII using SSE2
Add an UTF-8 conversion code that is optimised for ASCII
Add a stateless copy of the Qt 4.7 UTF-8 codec.
Add UTF-8 code benchmarks
Improve a little more the core loop and propagate to the other code
Reduce the number of operations in the main loop
Add an SSE4 version using PMOVZXBW and PSRLDQ
Attempt to improve the epilog code
...
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