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Change-Id: I39c9e1fa44993fc024fed9309bea0da6f4534592
Reviewed-by: Pierre Rossi <pierre.rossi@theqtcompany.com>
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And try to make good use of them in order to match the QFont
request more closely.
Task-number: QTBUG-38482
Change-Id: I768dfa8828e370d77a1c17ecf4796d750b3edd9b
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@theqtcompany.com>
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DirectWrite and CoreText supports scaling of non-scalable fonts.
Change-Id: I910c6a35e3d94c31efa9b26dd89bcb027951ac99
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
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Conflicts:
src/corelib/io/qiodevice.cpp
src/plugins/bearer/linux_common/qofonoservice_linux.cpp
src/plugins/bearer/linux_common/qofonoservice_linux_p.h
src/plugins/platforms/android/qandroidplatformtheme.cpp
src/tools/bootstrap/bootstrap.pro
src/widgets/styles/qmacstyle_mac.mm
Change-Id: Ia02aab6c4598ce74e9c30bb4666d5e2ef000f99b
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CoreText doesn't seem to provide us with a "maximum advance" value,
but 0 is really wrong, it leads to QLineEdit::minimumSizeHint() being
0 since it's based on maxWidth(). It even led to a negative min width
with setTextMargins(-1, 0, -1, 0).
Change-Id: I4faf8ecfb6d91e9dff66ec63651d003014503cb4
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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Conflicts:
src/gui/text/qfontdatabase.cpp
Change-Id: I6ac1f55faa22b8e7b591386fb67f0333d0ea443d
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We should have more font weights in QFont::Weight to allow for
finer grained control.
For the time being, we can simply use intermediate weights to better
support the different font weights falling in between the ones
defined in QFont::Weight.
Also amend the documentation to clarify the fact that QFont supports
and can return weights falling outside the predefined values, which
is already the case (e.g. when using fontconfig).
Done-with: Gabriel de Dietrich
Change-Id: I693cdd48b8b77e7ed550cdf991227bcb819d8e7b
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
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Adding handling of the new QFont enum NoSubpixelAntialias in
QCoreTextFontEngine::imageForGlyph.
Task-number: QTBUG-40396
Change-Id: I421c38554360f5e2f822a18117190456c4d04b25
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
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Change-Id: If7e51514ed6832750e3ad967e4d322ccf920d2bb
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Use Dynamic Type to resolve theme fonts, so that we get the
correct font sizes and styling based on user preferences
in Settings app.
Change-Id: I2222199a5ba21badb2e3696993eee503e720c476
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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Change-Id: I05fcd8dc66d9ad0dc76bb7f5bae05c9876bfba14
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For QLatin1String, operator== is overloaded, so comparing to a latin-1
(C) string literal is efficient, since strlen() is comparatively fast.
OTOH, QStringLiteral, when not using RVO, litters the code with
QString dtor calls, which are not inline. Worse, absent lambdas,
it even allocates memory.
So, just compare using QLatin1String instead.
Change-Id: I7af3bf3a67c55dae33ffaf9922d004fa168a3f9c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change-Id: Iabe127486c77ebb2afe7fe13ecccd70252a79031
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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Conflicts:
src/corelib/tools/qbytearray.cpp
src/gui/image/qimage.cpp
src/gui/image/qppmhandler.cpp
src/gui/kernel/qguiapplication.cpp
src/gui/painting/qpaintengine_raster.cpp
Change-Id: I7c1a8e7ebdfd7f7ae767fdb932823498a7660765
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- Renamed LICENSE.LGPL to LICENSE.LGPLv21
- Added LICENSE.LGPLv3
- Removed LICENSE.GPL
Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
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The isAlwaysAskOption was removed in 38621713150b663355ebeb799a5a50d8e39a3c38
so manually removed code in
src/plugins/bearer/connman/qconnmanengine.cpp
Conflicts:
src/corelib/global/qglobal.h
src/corelib/tools/qcollator_macx.cpp
src/corelib/tools/qstring.cpp
src/gui/kernel/qwindow.cpp
src/gui/kernel/qwindow_p.h
src/gui/text/qtextengine.cpp
src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig_p.h
src/plugins/platforms/android/qandroidinputcontext.cpp
src/plugins/platforms/xcb/qglxintegration.cpp
src/plugins/platforms/xcb/qglxintegration.h
src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
src/testlib/qtestcase.cpp
src/testlib/qtestlog.cpp
src/widgets/dialogs/qfiledialog.cpp
src/widgets/kernel/qwindowcontainer.cpp
tests/auto/corelib/tools/qcollator/tst_qcollator.cpp
tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp
tests/auto/widgets/kernel/qwidget_window/tst_qwidget_window.cpp
tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
Change-Id: Ic5d4187f682257a17509f6cd28d2836c6cfe2fc8
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Change-Id: I7a4dd22ea3bcebf4c3ec3ad731628fd8f3c247e0
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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ATSFontNotify() allocates over 30MB for no apparent reason for
applications that don't register fonts.
Change-Id: I7bbc97f53b76be1e638de8ca0d1be3a08586cf00
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
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On iOS 8, the value 0 is returned as a kCFNumberIntType.
The code still works - CFNumberGetValue converts it
to a 0.0 double.
Change-Id: Ic50900b22e4fa19ad1481e8e0e293559bbfd8cd2
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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The fallbacks on the platform should ideally contain all fonts that
support the script passed in, but this would require populating the
font database and checking the unicode ranges for all fonts, so it
would cause a significant performance hit on Mac. What we do here
instead is just return a set of default fonts as the fallbacks
and disregard the requested script.
The consequence of this is that some special unicode codepoints were
not supported on Mac, because we weren't working with a full fallback
list.
To rectify this without breaking performance, we always add Arial
Unicode MS to the end of the fallback list as a final fallback.
This should always be present on the system and has a wide support
of different scripts.
[ChangeLog][OS X][Fonts] Fixed missing glyph box shown in place of some
uncommon Unicode code points.
Change-Id: I4fc8576bfddc8a73204aca2b16437d42c524bc79
Task-number: QTBUG-40986
Task-number: QTBUG-40549
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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The language support detection in Cocoa does not report the correct
set of languages for all fonts. One consequence of this is that e.g.
Mkhedruli (Georgian) was not supported on Mac because the
'ka' language code was not reported for e.g. the Arial Unicode MS
font.
This was never detected in Qt 4, because the writing system support
we set for each font was never used for font matching, since we let
CoreText do the matching in Qt 4.
To remedy this, we also detect writing system support based on the OS/2
table in the font. We add this in addition to the current test in case
the language list has information about fonts with incomplete OS/2 tables,
to avoid regressing.
[ChangeLog][OS X] Fixed detection of writing system support in fonts for
some scripts such as Mkhedruli.
Change-Id: I26c2a42ef45112e17d6794d8798a57c8d8aaaafa
Task-number: QTBUG-41208
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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Extend the QImage format with two 8-bit grayscale and alpha formats.
These formats have the advantage over Indexed8 that they have simpler
conversion and can be rendered to by the raster engine.
[ChangeLog][QtGui][QImage] Added support grayscale and alpha 8-bit
formats which can also be rendered to.
Change-Id: I4343c80a92a3dda196aa38d0c3ea251b094fc274
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
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On iOS 8, the value 0 is returned as a kCFNumberIntType.
The code still works - CFNumberGetValue converts it
to a 0.0 double.
Change-Id: Ic50900b22e4fa19ad1481e8e0e293559bbfd8cd2
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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Manually included changes from
3a347a4e70e5a10ee92dd2578316c926a399e894
in src/opengl/qgl.cpp.
Conflicts:
src/opengl/qgl_qpa.cpp
src/plugins/platforms/android/androidjnimain.cpp
Change-Id: Ic26b58ee587d4884c9d0fba45c5a94b5a45ee929
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We introduce QPlatformFontDatabase::isPrivateFontFamily() to allow
testing for private, system UI font families. Both QFontComboBox
and QFontDialog need to filter out those private font families
which, by definition, should be hidden from the end user.
(The textedit example had to be updated to fix the issue where the
default font would be private. In 5.4, we will be adding an equivalent,
public API in QFontDatabase, and a better solution for the textedit
example and QTexEdit in general).
In particular, on OS X and iOS, private fonts are used for the system
UI font. Those have their font family name prefixed by a dot.
QCoreTextFontDatabase knows about this, and makes sure those are
tested positive as private font families. In order to have a cleaner
layer separation, we moved the QPA theme font resolution from the
platform theme classes into QCoreTextFontDatabase for both Cocoa and
iOS QPA plugins.
In both cases, we use CoreText's CTFontCreateUIFontForLanguage(), that
nicely maps to the HITheme API we were using so far on Mac. That means
one HITheme dependency less. We also cache the font descriptors we get
for these font for each time QCTFD::populateFamilies() gets called.
(While not common, this currently happens in auto-tests, like
tst_QFontDatabase, and could happen in actual applications -- specially
when adding and removing application fonts.)
Change-Id: Ic6f0b60f9f597afee1a43596a669742dc546b97f
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
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Conflicts:
config.tests/arch/arch.cpp
src/opengl/qgl_qpa.cpp
src/widgets/kernel/qapplication.cpp
Change-Id: I80b442a4c2c9632743a5b5c7319ff201ec5bc4fd
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kCTFontWeightTrait returns a normalized value between -1.0 (lightest)
and 1.0 (heaviest), 0.0 being the regular font weight. The threshold
values used in this change have been estimated from the weight values
of fonts from the Helvetica Neue and Myriad Pro font families.
Change-Id: I49de8e8bd5894107de4842aeda7ace2e83f95be3
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
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Conflicts:
src/gui/kernel/qguiapplication.cpp
Change-Id: Ibe75603dc8a51769db6550ea3f07bc8d19b0be85
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If the alphaMapBoundingBox of a glyph is empty we don't want to create
a CGBitmapContext on it, as that will fail, and any further operations
on the invalid context will result in possibly fatal errors from CG.
This issue can be observed when drawing some glyphs of the Apple Color
Emoji font.
Change-Id: Ia45ba858b5fb6afa91e6d686a9c55e350d4095f3
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
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After fbaa6d3ca6fc269 QFont family names are non-localized on iOS/OS X,
which means applications that try to initialize QFont with a localized
family name (explicitly, or from user input), will fail, and get the
fallback font instead.
We now add font family aliases for the localized family names, so that
font matching will work even for localized family names. Note that
QFontDatabase::families() still returns a non-localized list.
Task-number: QTBUG-38628
Change-Id: Id351befa69916ce162c939733bbfcc774f075120
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
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Change-Id: I8552199c8b3e365adefbc2bb096c8153e222cec8
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
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Instead of requiring that QPlatformFontDatabase::populateFontDatabase()
populates every single font in the system by calling registerFont(), we
now allow the platform database to call registerFontFamily() instead, and
then keep track of which families we've yet to fully populate in the font
database.
Once a property of a family is requested (such as its writing system,
style, etc), the family is lazily populated by calling back to the
platform database through QPlatformFontDatabase::populateFamily(),
which in turn does the final call to registerFont() as before.
This cuts application startup on OS X and iOS (of which the font population
used to be a major limiting factor) from roughly one second to about 350ms.
Task-number: QTBUG-37165
Change-Id: Ic2fc3447beb818ffe23635a5b7816ed7e70c93a7
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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On Mac, hb_coretext requires both CTFont and CGFont.
Due to not supporting the 0 tag by CoreText, hb_blob_get_data()
always fails causing the hb_coretext_shaper initialization to fail, too.
Since HarfBuzz-NG is not a part of QtGui module anymore,
there are two possibilities to workaround this: either engineer the
font data by querying tables one-by-one and generating the font
directory table, or pass CTFont and CGFont refs directly to hb_coretext
via the hb_face's user_data. This patch implements the latter.
Change-Id: I7d2e2df00818ea811642cb6a6c3b9c9abd5d7b94
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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The font database and QFont should have normalized font family names,
so using CTFontDescriptorCopyLocalizedAttribute is not a good idea.
If the feature of reporting the localized name of a font family or
style is needed in for example the font selection dropdown or dialog,
it should be exposed as an explicit property of the font.
Change-Id: Iaa15ad861043f4c78a38080608b6fe4d99efee18
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Change-Id: If345a4137986a7d5032a2b48d92c08bc58e02144
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Populating the whole database takes a while, and it's very easy to trigger
the fallback family code path through eg. matching or getting the default
font family from QFont.
Instead of relying on populate to resolve family name to a PostScript name
(which was required when using CTFontCreateWithName), we instead use the
CTFontDescriptorCreateWithAttributes() function to create a descriptor
based on the family name, and then use CTFontCreateWithFontDescriptor().
The other way around, we use CTFontDescriptorCreateWithNameAndSize, and
then pull out the family name from the descriptor. The need for creating
a CTFont for private fonts (eg '.Apple Symbols Fallback') does not seem
necessary anymore, as tested on 10.7-10.9.
The disadvantage of creating font descriptors instead of re-using the
data computed by population is that we're doing the same work twice,
but the end result is making the font database more lazy, and the 80%
use-case is assumed to be that you're only interested in the fallback
of a small number of fonts, which means you don't want to populate all
of the fonts in the system (taking about 1100ms on the test system).
Looking up the fallback of a single family or style now takes about
15-25ms.
Task-number: QTBUG-37165
Change-Id: I6b904dbe796a3f236919d778d0168fdef9a20e69
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
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The platform font database is populated from QFontDatabase, through the
static initializeDb() function, whenever the font database determines
that the platform database has not been initialized (by checking if the
font database is empty).
There are other clients of QPlatformFontDatabase though, such as QFont,
which uses the platform font database to check for the default family.
The CoreText implementation of determining the default family relies
on data that is computed during font population, and hence does an
internal (self-triggered) populate.
To prevent repeated populates as a result of calling QFont::defaultFamily()
we guard the populate by a similar isEmpty() check as QFontDatabase does,
but to ensure that this check works in the case of an invalidated font
database, we need to propagate the font database invalidation down to
the platform font database.
Change-Id: I8d06c6f6fc5da6353c087335859eaca008c2f6a6
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
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Change-Id: I24ece90d6d8f96dad0c41a474a491b4ea96d97c3
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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It was only used in QFontCache debug output,
and some engines weren't even report a name.
Change-Id: I6cec4b75f105f5a4e1405f50188bebb3a3f04e33
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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...which uses the recently introduced glyphIndex() method;
get rid of re-implementations that did almost the same.
Change-Id: I6d32d2cee6a31f57de6aee05ed8d120d4a1f4e9c
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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...an optimized drop-in replacement for the code like this:
`stringToCMap(&uc, 1, &g, &numGlyphs, QFontEngine::GlyphIndicesOnly)`
(aka "get the glyph index for exactly one Unicode character").
Change-Id: I22babf49f7cf28892d27533a5ac51ad449779f75
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Ensure the params are valid and make QCoreTextFontEngine::stringToCMap()
handle the unsufficient buffer case exactly like the other engines does.
Change-Id: I078af37da917cf2bac709b12aa827ed4128e5f30
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: Ie90914c2110d32e573108a355a44dd459097a755
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Being a most significant method in the font API,
getSfntTableData() must behave in exactly the same way on all platforms.
Briefly, it must return true if the table exists in the font,
despite the other params, and always stores the table data length
in 'length' param, thus reporting the amount of bytes actually
needed to store the table data in a buffer.
Change-Id: I7a15465020c1ea818ea46a05ea3b9b7e1cd60d14
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Padding the bounding rect was not enough, as we failed to shift the glyph
accordingly so that it would end up in the center of the bounding rect.
We also didn't take subpixel-positioning into account, which may shift the
position of the glyph too far to the right to be within the image size that
we reserve.
There are still cases where the glyphs seem clipped compared to the same
text rendered with CoreText, but that's because we end up shaping the
text slightly differently, resulting in different subpixel positions
than what CoreText chooses.
Change-Id: Icb88c829f86457b16bdecbc4c24b3f1c23448261
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Instead of padding the image size manually, we rely on alphaMapBoundingBox
to give use the right glyph metrics.
For clarity, a few function arguments were renamed in the affected code.
Change-Id: I84c31e613a1048ea839a390af70342e5388ed0cb
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Instead of the glyph cache having its own cache type that always mapped
one to one to a font engine glyph format, causing confusion and needless
conversions, the glyph caches now use QFontEngine's glyph format enum.
This also removes the iffy use of an int for the glyphFormat in the font
engines.
Change-Id: I529bad5c179e004f63e152f7dcc311d298c3db98
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Check engine's supported scripts in a single place
and remove unused script parameter from fontEngine().
Change-Id: Ic153803bef519320c370b058e77eac1a4d92afd0
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Since we dropped all platform-related shapers during the
QPA refactoring, thus making HarfBuzz the only shaper on all
platforms, we can not deal with AAT-capable fonts anymore.
HarBuzz-NG now supports it's own shaper backend infrastructure,
so the decision was to enable HB's CoreText shaper backend on Mac
and simply make HB-NG the default shaper there.
Task-number: QTBUG-36056
Change-Id: If22e24fd5cc00c25952934332a2f4123f38135a4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
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...and thus consume 4 bytes less per glyph and increase the performance a bit.
It seems, the only CTFontGetAdvancesForGlyphs() returns both x and y
advances, though y advances are always equal to 0 for horizontal
orientation and x advances are always equal to 0 for vertical orientation.
Also, rename `advances_x` to `advances` for consistency
and declare QGlyphLayout's data size in a single place.
Change-Id: I56b20f893f8a6feb7aa870e3edbca99dd93ba2e2
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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