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-rwxr-xr-xconfigure16
-rw-r--r--src/gui/text/qtextengine.cpp34
-rw-r--r--src/gui/text/text.pri3
3 files changed, 51 insertions, 2 deletions
diff --git a/configure b/configure
index 60e1ec1216..b0cafbcab7 100755
--- a/configure
+++ b/configure
@@ -804,6 +804,7 @@ CFG_MAC_XARCH=auto
CFG_MAC_CARBON=no
CFG_MAC_COCOA=yes
COMMANDLINE_MAC_CARBON=no
+CFG_MAC_HARFBUZZ=no
CFG_SXE=no
CFG_PREFIX_INSTALL=yes
CFG_SDK=
@@ -1041,7 +1042,7 @@ while [ "$#" -gt 0 ]; do
VAL=no
;;
#Qt style yes options
- -incremental|-qvfb|-profile|-shared|-static|-sm|-xinerama|-xshape|-xsync|-xinput|-egl|-reduce-exports|-pch|-separate-debug-info|-stl|-freetype|-xcursor|-xfixes|-xrandr|-xrender|-mitshm|-fontconfig|-xkb|-nis|-qdbus|-dbus|-dbus-linked|-glib|-gstreamer|-gtkstyle|-cups|-iconv|-largefile|-h|-help|-v|-verbose|-debug|-release|-fast|-accessibility|-confirm-license|-gnumake|-framework|-qt3support|-debug-and-release|-exceptions|-cocoa|-carbon|-universal|-prefix-install|-silent|-armfpa|-optimized-qmake|-dwarf2|-reduce-relocations|-sse|-openssl|-openssl-linked|-ptmalloc|-xmlpatterns|-phonon|-phonon-backend|-multimedia|-audio-backend|-svg|-declarative|-declarative-debug|-javascript-jit|-script|-scripttools|-rpath|-force-pkg-config|-s60|-usedeffiles|-icu)
+ -incremental|-qvfb|-profile|-shared|-static|-sm|-xinerama|-xshape|-xsync|-xinput|-egl|-reduce-exports|-pch|-separate-debug-info|-stl|-freetype|-xcursor|-xfixes|-xrandr|-xrender|-mitshm|-fontconfig|-xkb|-nis|-qdbus|-dbus|-dbus-linked|-glib|-gstreamer|-gtkstyle|-cups|-iconv|-largefile|-h|-help|-v|-verbose|-debug|-release|-fast|-accessibility|-confirm-license|-gnumake|-framework|-qt3support|-debug-and-release|-exceptions|-cocoa|-carbon|-universal|-harfbuzz|-prefix-install|-silent|-armfpa|-optimized-qmake|-dwarf2|-reduce-relocations|-sse|-openssl|-openssl-linked|-ptmalloc|-xmlpatterns|-phonon|-phonon-backend|-multimedia|-audio-backend|-svg|-declarative|-declarative-debug|-javascript-jit|-script|-scripttools|-rpath|-force-pkg-config|-s60|-usedeffiles|-icu)
VAR=`echo $1 | sed "s,^-\(.*\),\1,"`
VAL=yes
;;
@@ -1499,6 +1500,13 @@ while [ "$#" -gt 0 ]; do
UNKNOWN_OPT=yes
fi
;;
+ harfbuzz)
+ if [ "$PLATFORM_MAC" = "yes" ] && [ "$CFG_MAC_CARBON" != "yes" ] && [ "$VAL" = "yes" ]; then
+ CFG_MAC_HARFBUZZ="$VAL"
+ else
+ UNKNOWN_OPT=yes
+ fi
+ ;;
framework)
if [ "$PLATFORM_MAC" = "yes" ] || [ "$PLATFORM_QPA" = "yes" ]; then
@@ -4257,6 +4265,11 @@ Qt/Mac only:
-sdk <sdk> ......... Build Qt using Apple provided SDK <sdk>. This option requires gcc 4.
To use a different SDK with gcc 3.3, set the SDKROOT environment variable.
+ -harfbuzz .......... Use HarfBuzz to do text layout instead of Core Text when possible.
+ It is only available to Cocoa builds.
+ * -no-harfbuzz ....... Disable HarfBuzz on Mac. It can still be enabled by setting
+ QT_ENABLE_HARFBUZZ environment variable.
+
EOF
fi
@@ -7251,6 +7264,7 @@ fi
[ "$CFG_NAS" = "system" ] && QT_CONFIG="$QT_CONFIG nas"
[ "$CFG_OPENSSL" = "yes" ] && QT_CONFIG="$QT_CONFIG openssl"
[ "$CFG_OPENSSL" = "linked" ] && QT_CONFIG="$QT_CONFIG openssl-linked"
+[ "$CFG_MAC_HARFBUZZ" = "yes" ] && QT_CONFIG="$QT_CONFIG harfbuzz"
if [ "$PLATFORM_X11" = "yes" ]; then
[ "$CFG_SM" = "yes" ] && QT_CONFIG="$QT_CONFIG x11sm"
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 0e649f0c2d..dab4bb75ec 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -856,6 +856,21 @@ void QTextEngine::shapeLine(const QScriptLine &line)
}
}
+#if !defined(QT_ENABLE_HARFBUZZ_FOR_MAC)
+static bool enableHarfBuzz()
+{
+ static enum { Yes, No, Unknown } status = Unknown;
+
+ if (status == Unknown) {
+ QByteArray v = qgetenv("QT_ENABLE_HARFBUZZ");
+ bool value = !v.isEmpty() && v != "0" && v != "false";
+ if (value) status = Yes;
+ else status = No;
+ }
+ return status == Yes;
+}
+#endif
+
void QTextEngine::shapeText(int item) const
{
Q_ASSERT(item < layoutData->items.size());
@@ -865,7 +880,24 @@ void QTextEngine::shapeText(int item) const
return;
#if defined(Q_WS_MAC)
- shapeTextMac(item);
+#if !defined(QT_ENABLE_HARFBUZZ_FOR_MAC)
+ if (enableHarfBuzz()) {
+#endif
+ QFontEngine *actualFontEngine = fontEngine(si, &si.ascent, &si.descent, &si.leading);
+ if (actualFontEngine->type() == QFontEngine::Multi)
+ actualFontEngine = static_cast<QFontEngineMulti *>(actualFontEngine)->engine(0);
+
+ HB_Face face = actualFontEngine->harfbuzzFace();
+ HB_Script script = (HB_Script) si.analysis.script;
+ if (face->supported_scripts[script])
+ shapeTextWithHarfbuzz(item);
+ else
+ shapeTextMac(item);
+#if !defined(QT_ENABLE_HARFBUZZ_FOR_MAC)
+ } else {
+ shapeTextMac(item);
+ }
+#endif
#elif defined(Q_WS_WINCE)
shapeTextWithCE(item);
#else
diff --git a/src/gui/text/text.pri b/src/gui/text/text.pri
index 2e0c6dea5d..e5d57d069d 100644
--- a/src/gui/text/text.pri
+++ b/src/gui/text/text.pri
@@ -114,6 +114,9 @@ unix:x11 {
OBJECTIVE_SOURCES += \
text/qfontengine_coretext.mm \
text/qfontengine_mac.mm
+ contains(QT_CONFIG, harfbuzz) {
+ DEFINES += QT_ENABLE_HARFBUZZ_FOR_MAC
+ }
}
embedded {