source: trunk/src/gui/text/qfontdatabase_pm.cpp@ 139

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#include "qabstractfileengine.h"

#include "qfontengine_pm_p.h"

QT_BEGIN_NAMESPACE

static void initializeDb()
{
    // @todo implement
}

static inline void load(const QString &family = QString(), int = -1)
{
    // @todo implement
}

static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
{
    // @todo implement
}

void QFontDatabase::load(const QFontPrivate *d, int script)
{
    Q_ASSERT(script >= 0 && script < QUnicodeTables::ScriptCount);

    // normalize the request to get better caching
    QFontDef req = d->request;
    if (req.pixelSize <= 0)
        req.pixelSize = qMax(1, qRound(req.pointSize * d->dpi / 72.));
    req.pointSize = 0;
    if (req.weight == 0)
        req.weight = QFont::Normal;
    if (req.stretch == 0)
        req.stretch = 100;

    QFontCache::Key key(req, d->rawMode ? QUnicodeTables::Common : script, d->screen);
    if (!d->engineData)
        getEngineData(d, key);

    // the cached engineData could have already loaded the engine we want
    if (d->engineData->engines[script])
        return;

    // set it to the actual pointsize, so QFontInfo will do the right thing
    req.pointSize = req.pixelSize * 72. / d->dpi;

    QFontEngine *fe = QFontCache::instance()->findEngine(key);

    if (!fe) {
        if (qt_enable_test_font && req.family == QLatin1String("__Qt__Box__Engine__")) {
            fe = new QTestFontEngine(req.pixelSize);
            fe->fontDef = req;
        } else {
            // @todo initializeDb() and stuff, get the engine
            QFontDef fd = req;
            fe = new QFontEnginePMFT(fd);
        }
        if (!fe) {
            fe = new QFontEngineBox(req.pixelSize);
            fe->fontDef = QFontDef();
        }
    }
    if (fe->symbol || (d->request.styleStrategy & QFont::NoFontMerging)) {
        for (int i = 0; i < QUnicodeTables::ScriptCount; ++i) {
            if (!d->engineData->engines[i]) {
                d->engineData->engines[i] = fe;
                fe->ref.ref();
            }
        }
    } else {
        d->engineData->engines[script] = fe;
        fe->ref.ref();
    }
    QFontCache::instance()->insertEngine(key, fe);
}

bool QFontDatabase::removeApplicationFont(int handle)
{
    // @todo implement
    return false;
}

bool QFontDatabase::removeAllApplicationFonts()
{
    // @todo implement
    return false;
}

bool QFontDatabase::supportsThreadedFontRendering()
{
    // @todo implement
    return false;
}

QT_END_NAMESPACE