diff options
Diffstat (limited to 'src/gui/text/qdistancefield.cpp')
| -rw-r--r-- | src/gui/text/qdistancefield.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/gui/text/qdistancefield.cpp b/src/gui/text/qdistancefield.cpp index d90134482d..d4bd975eca 100644 --- a/src/gui/text/qdistancefield.cpp +++ b/src/gui/text/qdistancefield.cpp @@ -45,6 +45,8 @@ QT_BEGIN_NAMESPACE +Q_LOGGING_CATEGORY(lcDistanceField, "qt.distanceField"); + namespace { enum FillHDir @@ -734,8 +736,45 @@ static bool imageHasNarrowOutlines(const QImage &im) return minHThick == 1 || minVThick == 1; } +static int QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE = 54; +static int QT_DISTANCEFIELD_DEFAULT_TILESIZE = 64; +static int QT_DISTANCEFIELD_DEFAULT_SCALE = 16; +static int QT_DISTANCEFIELD_DEFAULT_RADIUS = 80; +static int QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT = 2000; + +static void initialDistanceFieldFactor() +{ + static bool initialized = false; + if (initialized) + return; + initialized = true; + + if (qEnvironmentVariableIsSet("QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE")) { + QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE = qEnvironmentVariableIntValue("QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE"); + qCDebug(lcDistanceField) << "set the QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE:" << QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE; + } + + if (qEnvironmentVariableIsSet("QT_DISTANCEFIELD_DEFAULT_TILESIZE")) { + QT_DISTANCEFIELD_DEFAULT_TILESIZE = qEnvironmentVariableIntValue("QT_DISTANCEFIELD_DEFAULT_TILESIZE"); + qCDebug(lcDistanceField) << "set the QT_DISTANCEFIELD_DEFAULT_TILESIZE:" << QT_DISTANCEFIELD_DEFAULT_TILESIZE; + } + if (qEnvironmentVariableIsSet("QT_DISTANCEFIELD_DEFAULT_SCALE")) { + QT_DISTANCEFIELD_DEFAULT_SCALE = qEnvironmentVariableIntValue("QT_DISTANCEFIELD_DEFAULT_SCALE"); + qCDebug(lcDistanceField) << "set the QT_DISTANCEFIELD_DEFAULT_SCALE:" << QT_DISTANCEFIELD_DEFAULT_SCALE; + } + if (qEnvironmentVariableIsSet("QT_DISTANCEFIELD_DEFAULT_RADIUS")) { + QT_DISTANCEFIELD_DEFAULT_RADIUS = qEnvironmentVariableIntValue("QT_DISTANCEFIELD_DEFAULT_RADIUS"); + qDebug(lcDistanceField) << "set the QT_DISTANCEFIELD_DEFAULT_RADIUS:" << QT_DISTANCEFIELD_DEFAULT_RADIUS; + } + if (qEnvironmentVariableIsSet("QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT")) { + QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT = qEnvironmentVariableIntValue("QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT"); + qCDebug(lcDistanceField) << "set the QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT:" << QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT; + } +} + bool qt_fontHasNarrowOutlines(QFontEngine *fontEngine) { + initialDistanceFieldFactor(); QFontEngine *fe = fontEngine->cloneWithSize(QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE); if (!fe) return false; @@ -755,6 +794,7 @@ bool qt_fontHasNarrowOutlines(QFontEngine *fontEngine) bool qt_fontHasNarrowOutlines(const QRawFont &f) { QRawFont font = f; + initialDistanceFieldFactor(); font.setPixelSize(QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE); if (!font.isValid()) return false; @@ -767,6 +807,51 @@ bool qt_fontHasNarrowOutlines(const QRawFont &f) QRawFont::PixelAntialiasing)); } +int QT_DISTANCEFIELD_BASEFONTSIZE(bool narrowOutlineFont) +{ + initialDistanceFieldFactor(); + + if (Q_UNLIKELY(narrowOutlineFont)) + return QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE * 2; + else + return QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE; +} + +int QT_DISTANCEFIELD_TILESIZE(bool narrowOutlineFont) +{ + initialDistanceFieldFactor(); + + if (Q_UNLIKELY(narrowOutlineFont)) + return QT_DISTANCEFIELD_DEFAULT_TILESIZE * 2; + else + return QT_DISTANCEFIELD_DEFAULT_TILESIZE; +} + +int QT_DISTANCEFIELD_SCALE(bool narrowOutlineFont) +{ + initialDistanceFieldFactor(); + + if (Q_UNLIKELY(narrowOutlineFont)) + return QT_DISTANCEFIELD_DEFAULT_SCALE / 2; + else + return QT_DISTANCEFIELD_DEFAULT_SCALE; +} + +int QT_DISTANCEFIELD_RADIUS(bool narrowOutlineFont) +{ + initialDistanceFieldFactor(); + + if (Q_UNLIKELY(narrowOutlineFont)) + return QT_DISTANCEFIELD_DEFAULT_RADIUS / 2; + else + return QT_DISTANCEFIELD_DEFAULT_RADIUS; +} + +int QT_DISTANCEFIELD_HIGHGLYPHCOUNT() +{ + initialDistanceFieldFactor(); + return QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT; +} QDistanceFieldData::QDistanceFieldData(const QDistanceFieldData &other) : QSharedData(other) |