QDirectFbConvenience Class Reference

#include <qdirectfbconvenience.h>

Static Public Functions
static int	colorDepthForSurface (const DFBSurfacePixelFormat format)
static IDirectFBDisplayLayer *	dfbDisplayLayer (int display=DLID_PRIMARY)
static IDirectFB *	dfbInterface ()
static IDirectFBSurface *	dfbSurfaceForPlatformPixmap (QPixmapData *)
static QEvent::Type	eventType (DFBWindowEventType type)
static QImage::Format	imageFormatFromSurfaceFormat (const DFBSurfacePixelFormat format, const DFBSurfaceCapabilities caps)
static Qt::KeyboardModifiers	keyboardModifiers (DFBInputDeviceModifierMask mask)
static QDirectFbKeyMap *	keyMap ()
static Qt::MouseButton	mouseButton (DFBInputDeviceButtonIdentifier identifier)
static Qt::MouseButtons	mouseButtons (DFBInputDeviceButtonMask mask)
static bool	pixelFomatHasAlpha (const DFBSurfacePixelFormat format)

Static Private Attributes
static QDirectFbKeyMap *	dfbKeymap = 0

Friends
class	QDirectFbIntegration

Detailed Description

Definition at line 64 of file qdirectfbconvenience.h.

Functions

colorDepthForSurface()

int QDirectFbConvenience::colorDepthForSurface ( const DFBSurfacePixelFormat  format )

static

Definition at line 109 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbScreen::QDirectFbScreen().

{
    return ((0x1f << 7) & format) >> 7;
}

dfbDisplayLayer()

IDirectFBDisplayLayer * QDirectFbConvenience::dfbDisplayLayer ( int  display = DLID_PRIMARY )

static

Definition at line 66 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbInput::handleMouseEvents().

{
    IDirectFBDisplayLayer *layer;
    DFBResult result = QDirectFbConvenience::dfbInterface()->GetDisplayLayer(QDirectFbConvenience::dfbInterface(),display,&layer);
    if (result != DFB_OK)
        DirectFBErrorFatal("QDirectFbConvenience: "
                           "Unable to get primary display layer!", result);
    return layer;
}

dfbInterface()

IDirectFB * QDirectFbConvenience::dfbInterface ( )

static

Definition at line 53 of file qdirectfbconvenience.cpp.

Referenced by dfbDisplayLayer(), QDirectFbBlitterPlatformPixmap::fromDataBufferDescription(), QDirectFbIntegration::initializeDirectFB(), QDirectFbBlitter::QDirectFbBlitter(), and QDirectFbWindow::setVisible().

{
    static IDirectFB *dfb = 0;
    if (!dfb) {
        DFBResult result = DirectFBCreate(&dfb);
        if (result != DFB_OK) {
            DirectFBErrorFatal("QDirectFBConvenience: error creating DirectFB interface", result);
            return 0;
        }
    }
    return dfb;
}

dfbSurfaceForPlatformPixmap()

IDirectFBSurface * QDirectFbConvenience::dfbSurfaceForPlatformPixmap ( QPixmapData *  handle )

static

This is borrowing the reference of the QDirectFbBlitter. You may not store this pointer as a class member but must only use it locally.

Definition at line 118 of file qdirectfbconvenience.cpp.

Referenced by QDirectFBCursor::changeCursor().

{
    QBlittablePixmapData *blittablePmData = static_cast<QBlittablePixmapData *>(handle);
    if (blittablePmData) {
        QBlittable *blittable = blittablePmData->blittable();
        QDirectFbBlitter *dfbBlitter = static_cast<QDirectFbBlitter *>(blittable);
        return dfbBlitter->m_surface.data();
    }
    return 0;
}

eventType()

QEvent::Type QDirectFbConvenience::eventType ( DFBWindowEventType  type )

static

Definition at line 181 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbInput::handleKeyEvents().

{
    switch(type) {
    case DWET_BUTTONDOWN:
        return QEvent::MouseButtonPress;
    case DWET_BUTTONUP:
        return QEvent::MouseButtonRelease;
    case DWET_MOTION:
        return QEvent::MouseMove;
    case DWET_WHEEL:
        return QEvent::Wheel;
    case DWET_KEYDOWN:
        return QEvent::KeyPress;
    case DWET_KEYUP:
        return QEvent::KeyRelease;
    default:
        return QEvent::None;
    }
}

imageFormatFromSurfaceFormat()

QImage::Format QDirectFbConvenience::imageFormatFromSurfaceFormat ( const DFBSurfacePixelFormat  format, const DFBSurfaceCapabilities  caps  )

static

Definition at line 76 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbBlitter::doLock(), and QDirectFbScreen::QDirectFbScreen().

{
    switch (format) {
    case DSPF_LUT8:
        return QImage::Format_Indexed8;
    case DSPF_RGB24:
        return QImage::Format_RGB888;
    case DSPF_ARGB4444:
        return QImage::Format_ARGB4444_Premultiplied;
    case DSPF_RGB444:
        return QImage::Format_RGB444;
    case DSPF_RGB555:
    case DSPF_ARGB1555:
        return QImage::Format_RGB555;
    case DSPF_RGB16:
        return QImage::Format_RGB16;
    case DSPF_ARGB6666:
        return QImage::Format_ARGB6666_Premultiplied;
    case DSPF_RGB18:
        return QImage::Format_RGB666;
    case DSPF_RGB32:
        return QImage::Format_RGB32;
    case DSPF_ARGB: {
            if (caps & DSCAPS_PREMULTIPLIED)
                    return QImage::Format_ARGB32_Premultiplied;
            else return QImage::Format_ARGB32; }
    default:
        break;
    }
    return QImage::Format_Invalid;

}

keyboardModifiers()

Qt::KeyboardModifiers QDirectFbConvenience::keyboardModifiers ( DFBInputDeviceModifierMask  mask )

static

Definition at line 159 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbInput::handleKeyEvents().

{
    Qt::KeyboardModifiers modifiers = Qt::NoModifier;

    if (mask & DIMM_SHIFT) {
        modifiers |= Qt::ShiftModifier;
    }
    if (mask & DIMM_ALT) {
        modifiers |= Qt::AltModifier;
    }
    if (mask & DIMM_ALTGR) {
        modifiers |= Qt::MetaModifier;
    }
    if (mask & DIMM_CONTROL) {
        modifiers |= Qt::ControlModifier;
    }
    if (mask & DIMM_META) {
        modifiers | Qt::MetaModifier;
    }
    return modifiers;
}

keyMap()

QDirectFbKeyMap * QDirectFbConvenience::keyMap ( )

static

Definition at line 201 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbInput::handleKeyEvents().

{
    if (!dfbKeymap)
        dfbKeymap = new QDirectFbKeyMap();
    return dfbKeymap;
}

mouseButton()

Qt::MouseButton QDirectFbConvenience::mouseButton ( DFBInputDeviceButtonIdentifier  identifier )

static

Definition at line 129 of file qdirectfbconvenience.cpp.

{
    switch (identifier){
    case DIBI_LEFT:
        return Qt::LeftButton;
    case DIBI_MIDDLE:
        return Qt::MidButton;
    case DIBI_RIGHT:
        return Qt::RightButton;
    default:
        return Qt::NoButton;
    }
}

mouseButtons()

Qt::MouseButtons QDirectFbConvenience::mouseButtons ( DFBInputDeviceButtonMask  mask )

static

Definition at line 143 of file qdirectfbconvenience.cpp.

Referenced by QDirectFbInput::handleMouseEvents().

{
    Qt::MouseButtons buttons = Qt::NoButton;

    if (mask & DIBM_LEFT) {
        buttons |= Qt::LeftButton;
    }
    if (mask & DIBM_MIDDLE) {
        buttons |= Qt::MidButton;
    }
    if (mask & DIBM_RIGHT) {
        buttons |= Qt::RightButton;
    }
    return buttons;
}

pixelFomatHasAlpha()

static bool QDirectFbConvenience::pixelFomatHasAlpha ( const DFBSurfacePixelFormat  format )

inlinestatic

Definition at line 68 of file qdirectfbconvenience.h.

{ return (1 << 16) & format; }

Friends and Related Functions

QDirectFbIntegration

friend class QDirectFbIntegration

friend

Definition at line 86 of file qdirectfbconvenience.h.

Properties

dfbKeymap

QDirectFbKeyMap * QDirectFbConvenience::dfbKeymap = 0

staticprivate

Definition at line 85 of file qdirectfbconvenience.h.

Referenced by eventType(), and keyMap().

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The documentation for this class was generated from the following files:

• /src/plugins/platforms/directfb/qdirectfbconvenience.h
• /src/plugins/platforms/directfb/qdirectfbconvenience.cpp