qfont_p.h File Reference

#include "QtGui/qfont.h"
#include "QtCore/qmap.h"
#include "QtCore/qobject.h"
#include <private/qunicodetables_p.h>
#include <QtGui/qfontdatabase.h>
#include "private/qfixed_p.h"

Go to the source code of this file.

Classes
class	QFontCache
struct	QFontCache::Engine
struct	QFontCache::Key
struct	QFontDef
class	QFontEngineData
class	QFontPrivate

Functions
Q_GUI_EXPORT int	qt_defaultDpi ()
Q_GUI_EXPORT int	qt_defaultDpiX ()
Q_GUI_EXPORT int	qt_defaultDpiY ()

Function Documentation

qt_defaultDpi()

Q_GUI_EXPORT int qt_defaultDpi

(

)

Definition at line 240 of file qfont.cpp.

{
    return qt_defaultDpiY();
}

qt_defaultDpiX()

Q_GUI_EXPORT int qt_defaultDpiX

(

)

Definition at line 162 of file qfont.cpp.

Referenced by QPicture::exec(), QAlphaPaintEngine::flushAndInit(), QStaticTextPrivate::get(), QBlittablePixmapData::metric(), QRasterPixmapData::metric(), QPaintBuffer::metric(), QGLPixelBuffer::metric(), QPicture::metric(), QGLFramebufferObject::metric(), QGLPixmapData::metric(), QVGPixmapData::metric(), QMacQuartzPaintDevice::metric(), QPainterReplayer::process(), QFakeDevice::QFakeDevice(), and QPainterReplayer::setupTransform().

{
    if (!qt_is_gui_used)
        return 75;

    int dpi;
#ifdef Q_WS_X11
    dpi = QX11Info::appDpiX();
#elif defined(Q_WS_WIN)
    dpi = GetDeviceCaps(shared_dc(),LOGPIXELSX);
#elif defined(Q_WS_MAC)
    extern float qt_mac_defaultDpi_x(); //qpaintdevice_mac.cpp
    dpi = qt_mac_defaultDpi_x();
#elif defined(Q_WS_QWS)
    if (!qt_screen)
        return 72;
    QScreen *screen = qt_screen;
    const QList<QScreen*> subScreens = qt_screen->subScreens();
    if (!subScreens.isEmpty())
        screen = subScreens.at(0);
    dpi = qRound(screen->width() / (screen->physicalWidth() / qreal(25.4)));
#elif defined(Q_WS_QPA)
    QPlatformIntegration *pi = QApplicationPrivate::platformIntegration();
    if (pi) {
        QPlatformScreen *screen = QApplicationPrivate::platformIntegration()->screens().at(0);
        const QSize screenSize = screen->geometry().size();
        const QSize physicalSize = screen->physicalSize();
        dpi = qRound(screenSize.width() / (physicalSize.width() / qreal(25.4)));
    } else {
        //PI has not been initialised, or it is being initialised. Give a default dpi
        dpi = 100;
    }
#elif defined(Q_OS_SYMBIAN)
    dpi = S60->defaultDpiX;
#endif // Q_WS_X11

    return dpi;
}

qt_defaultDpiY()

Q_GUI_EXPORT int qt_defaultDpiY

(

)

Definition at line 201 of file qfont.cpp.

Referenced by QTextEngine::calculateTabWidth(), QPaintBufferEngine::drawTextItem(), QPicture::exec(), QAlphaPaintEngine::flushAndInit(), QStaticTextPrivate::get(), QBlittablePixmapData::metric(), QRasterPixmapData::metric(), QPaintBuffer::metric(), QGLPixelBuffer::metric(), QPicture::metric(), QGLFramebufferObject::metric(), QGLPixmapData::metric(), QVGPixmapData::metric(), QMacQuartzPaintDevice::metric(), QFontDatabase::pointSizes(), QPainterReplayer::process(), QFakeDevice::QFakeDevice(), qt_defaultDpi(), qt_FcPatternToQFontDef(), QPainterReplayer::setupTransform(), QTextEngine::shapeText(), and QFontDatabase::smoothSizes().

{
    if (!qt_is_gui_used)
        return 75;

    int dpi;
#ifdef Q_WS_X11
    dpi = QX11Info::appDpiY();
#elif defined(Q_WS_WIN)
    dpi = GetDeviceCaps(shared_dc(),LOGPIXELSY);
#elif defined(Q_WS_MAC)
    extern float qt_mac_defaultDpi_y(); //qpaintdevice_mac.cpp
    dpi = qt_mac_defaultDpi_y();
#elif defined(Q_WS_QWS)
    if (!qt_screen)
        return 72;
    QScreen *screen = qt_screen;
    const QList<QScreen*> subScreens = qt_screen->subScreens();
    if (!subScreens.isEmpty())
        screen = subScreens.at(0);
    dpi = qRound(screen->height() / (screen->physicalHeight() / qreal(25.4)));
#elif defined(Q_WS_QPA)
    QPlatformIntegration *pi = QApplicationPrivate::platformIntegration();
    if (pi) {
        QPlatformScreen *screen = QApplicationPrivate::platformIntegration()->screens().at(0);
        const QSize screenSize = screen->geometry().size();
        const QSize physicalSize = screen->physicalSize();
        dpi = qRound(screenSize.height() / (physicalSize.height() / qreal(25.4)));
    } else {
        //PI has not been initialised, or it is being initialised. Give a default dpi
        dpi = 100;
    }
#elif defined(Q_OS_SYMBIAN)
    dpi = S60->defaultDpiY;
#endif // Q_WS_X11

    return dpi;
}