qscreen_qws.cpp File Reference

#include "qplatformdefs.h"
#include "qscreen_qws.h"
#include "qcolormap.h"
#include "qscreendriverfactory_qws.h"
#include "qwindowsystem_qws.h"
#include "qwidget.h"
#include "qcolor.h"
#include "qpixmap.h"
#include "qvarlengtharray.h"
#include "qwsdisplay_qws.h"
#include "qpainter.h"
#include <private/qdrawhelper_p.h>
#include <private/qpaintengine_raster_p.h>
#include <private/qpixmap_raster_p.h>
#include <private/qwindowsurface_qws_p.h>
#include <private/qpainter_p.h>
#include <private/qwidget_p.h>
#include <private/qgraphicssystem_qws_p.h>

Go to the source code of this file.

Classes
struct	fill_data
class	QScreenPrivate

Functions
static void	blendCursor (QImage *dest, const QImage &cursor, const QPoint &offset)
template<typename DST , typename SRC >
static void	blit_template (QScreen *screen, const QImage &image, const QPoint &topLeft, const QRegion &region)
void	qt_blit_setup (QScreen *screen, const QImage &image, const QPoint &topLeft, const QRegion &region)
Q_GUI_EXPORT QScreen *	qt_get_screen (int display_id, const char *spec)
void	qt_solidFill_setup (QScreen *screen, const QColor &color, const QRegion &region)
template<typename T >
static void	solidFill_template (QScreen *screen, const QColor &color, const QRegion &region)

Variables
Q_GUI_EXPORT QScreen *	qt_screen = 0
Q_GUI_EXPORT QScreenCursor *	qt_screencursor = 0
bool	qws_accel

Function Documentation

blendCursor()

static void blendCursor ( QImage *  dest, const QImage &  cursor, const QPoint &  offset  )

static

Definition at line 2499 of file qscreen_qws.cpp.

Referenced by buttonChange(), QScreen::exposeRegion(), and QVNCDirtyMap::QVNCDirtyMap().

{
    QRasterBuffer rb;
    rb.prepare(dest);

    QSpanData spanData;
    spanData.init(&rb, 0);
    spanData.type = QSpanData::Texture;
    spanData.initTexture(&cursor, 256);
    spanData.dx = -offset.x();
    spanData.dy = -offset.y();
    if (!spanData.blend)
        return;

    const QRect rect = QRect(offset, cursor.size())
                       & QRect(QPoint(0, 0), dest->size());
    const int w = rect.width();
    const int h = rect.height();

    QVarLengthArray<QT_FT_Span, 32> spans(h);
    for (int i = 0; i < h; ++i) {
        spans[i].x = rect.x();
        spans[i].len = w;
        spans[i].y = rect.y() + i;
        spans[i].coverage = 255;
    }
    spanData.blend(h, spans.constData(), &spanData);
}

blit_template()

template<typename DST , typename SRC >

static void blit_template ( QScreen *  screen, const QImage &  image, const QPoint &  topLeft, const QRegion &  region  )

static

Definition at line 615 of file qscreen_qws.cpp.

{
    DST *dest = reinterpret_cast<DST*>(screen->base());
    const int screenStride = screen->linestep();
    const int imageStride = image.bytesPerLine();

    if (region.rectCount() == 1) {
        const QRect r = region.boundingRect();
        const SRC *src = reinterpret_cast<const SRC*>(image.scanLine(r.y()))
                         + r.x();
        qt_rectconvert<DST, SRC>(dest, src,
                                 r.x() + topLeft.x(), r.y() + topLeft.y(),
                                 r.width(), r.height(),
                                 screenStride, imageStride);
    } else {
        const QVector<QRect> rects = region.rects();

        for (int i = 0; i < rects.size(); ++i) {
            const QRect r = rects.at(i);
            const SRC *src = reinterpret_cast<const SRC*>(image.scanLine(r.y()))
                             + r.x();
            qt_rectconvert<DST, SRC>(dest, src,
                                     r.x() + topLeft.x(), r.y() + topLeft.y(),
                                     r.width(), r.height(),
                                     screenStride, imageStride);
        }
    }
}

qt_blit_setup()

void qt_blit_setup	(	QScreen *	screen,
		const QImage &	image,
		const QPoint &	topLeft,
		const QRegion &	region
	)

Definition at line 1217 of file qscreen_qws.cpp.

Referenced by QScreenPrivate::QScreenPrivate().

{
    switch (screen->depth()) {
#ifdef QT_QWS_DEPTH_32
    case 32:
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->blit = blit_32;
        else
            screen->d_ptr->blit = blit_template<qabgr8888, quint32>;
        break;
#endif
#ifdef QT_QWS_DEPTH_24
    case 24:
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->blit = blit_qrgb888;
        else
            screen->d_ptr->blit = blit_24;
        break;
#endif
#ifdef QT_QWS_DEPTH_18
    case 18:
        screen->d_ptr->blit = blit_18;
        break;
#endif
#ifdef QT_QWS_DEPTH_16
    case 16:
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
        if (screen->d_ptr->fb_is_littleEndian)
            screen->d_ptr->blit = blit_16_bigToLittleEndian;
        else
#endif
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->blit = blit_16;
        else
            screen->d_ptr->blit = blit_template<qbgr565, quint16>;
        break;
#endif
#ifdef QT_QWS_DEPTH_15
    case 15:
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
        if (screen->d_ptr->fb_is_littleEndian)
            screen->d_ptr->blit = blit_15_bigToLittleEndian;
        else
#endif // Q_BIG_ENDIAN
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->blit = blit_15;
        else
            screen->d_ptr->blit = blit_template<qbgr555, qrgb555>;
        break;
#endif
#ifdef QT_QWS_DEPTH_12
    case 12:
        screen->d_ptr->blit = blit_12;
        break;
#endif
#ifdef QT_QWS_DEPTH_8
    case 8:
        screen->d_ptr->blit = blit_8;
        break;
#endif
#ifdef QT_QWS_DEPTH_4
    case 4:
        screen->d_ptr->blit = blit_4;
        break;
#endif
#ifdef QT_QWS_DEPTH_1
    case 1:
        screen->d_ptr->blit = blit_1;
        break;
#endif
    default:
        qFatal("blit_setup(): Screen depth %d not supported!",
               screen->depth());
        screen->d_ptr->blit = 0;
        break;
    }
    screen->d_ptr->blit(screen, image, topLeft, region);
}

qt_get_screen()

Q_GUI_EXPORT QScreen* qt_get_screen	(	int	display_id,
		const char *	spec
	)

Definition at line 2456 of file qscreen_qws.cpp.

Referenced by QVNCScreen::connect(), QMultiScreen::connect(), QTransformedScreen::connect(), QProxyScreen::connect(), QWSDisplay::Data::init(), and QWSDisplay::Data::reinit().

{
    QString displaySpec = QString::fromAscii(spec);
    QString driver = displaySpec;
    int colon = displaySpec.indexOf(QLatin1Char(':'));
    if (colon >= 0)
        driver.truncate(colon);
    driver = driver.trimmed();

    bool foundDriver = false;
    QString driverName = driver;

    QStringList driverList;
    if (!driver.isEmpty())
        driverList << driver;
    else
        driverList = QScreenDriverFactory::keys();

    for (int i = 0; i < driverList.size(); ++i) {
        const QString driverName = driverList.at(i);
        qt_screen = QScreenDriverFactory::create(driverName, display_id);
        if (qt_screen) {
            foundDriver = true;
            if (qt_screen->connect(displaySpec)) {
                return qt_screen;
            } else {
                delete qt_screen;
                qt_screen = 0;
            }
        }
    }

    if (driver.isNull())
        qFatal("No suitable driver found");
    else if (foundDriver)
        qFatal("%s: driver cannot connect", driver.toLatin1().constData());
    else
        qFatal("%s: driver not found", driver.toLatin1().constData());

    return 0;
}

qt_solidFill_setup()

void qt_solidFill_setup	(	QScreen *	screen,
		const QColor &	color,
		const QRegion &	region
	)

Definition at line 544 of file qscreen_qws.cpp.

Referenced by QScreenPrivate::QScreenPrivate().

{
    switch (screen->depth()) {
#ifdef QT_QWS_DEPTH_32
    case 32:
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->solidFill = solidFill_template<quint32>;
        else
            screen->d_ptr->solidFill = solidFill_template<qabgr8888>;
        break;
#endif
#ifdef QT_QWS_DEPTH_24
    case 24:
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->solidFill = solidFill_template<qrgb888>;
        else
            screen->d_ptr->solidFill = solidFill_template<quint24>;
        break;
#endif
#ifdef QT_QWS_DEPTH_18
    case 18:
        screen->d_ptr->solidFill = solidFill_template<quint18>;
        break;
#endif
#ifdef QT_QWS_DEPTH_16
    case 16:
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->solidFill = solidFill_template<quint16>;
        else
            screen->d_ptr->solidFill = solidFill_template<qbgr565>;
        break;
#endif
#ifdef QT_QWS_DEPTH_15
    case 15:
        if (screen->pixelType() == QScreen::NormalPixel)
            screen->d_ptr->solidFill = solidFill_template<qrgb555>;
        else
            screen->d_ptr->solidFill = solidFill_template<qbgr555>;
        break;
#endif
#ifdef QT_QWS_DEPTH_12
    case 12:
        screen->d_ptr->solidFill = solidFill_template<qrgb444>;
        break;
#endif
#ifdef QT_QWS_DEPTH_8
    case 8:
        screen->d_ptr->solidFill = solidFill_template<quint8>;
        break;
#endif
#ifdef QT_QWS_DEPTH_4
    case 4:
        screen->d_ptr->solidFill = solidFill_gray4;
        break;
#endif
#ifdef QT_QWS_DEPTH_1
    case 1:
        screen->d_ptr->solidFill = solidFill_mono;
        break;
#endif
     default:
        qFatal("solidFill_setup(): Screen depth %d not supported!",
               screen->depth());
        screen->d_ptr->solidFill = 0;
        break;
    }
    screen->d_ptr->solidFill(screen, color, region);
}

solidFill_template()

template<typename T >

static void solidFill_template ( QScreen *  screen, const QColor &  color, const QRegion &  region  )

static

Definition at line 405 of file qscreen_qws.cpp.

{
    T *dest = reinterpret_cast<T*>(screen->base());
    const T c = qt_colorConvert<T, quint32>(color.rgba(), 0);
    const int stride = screen->linestep();
    const QVector<QRect> rects = region.rects();

    for (int i = 0; i < rects.size(); ++i) {
        const QRect r = rects.at(i);
        qt_rectfill(dest, c, r.x(), r.y(), r.width(), r.height(), stride);
    }
}

Variable Documentation

qt_screen

Q_GUI_EXPORT QScreen* qt_screen = 0

Definition at line 69 of file qscreen_qws.cpp.

Referenced by QWSServerPrivate::_q_clientClosed(), QWSServerPrivate::_q_newConnection(), QWSServerPrivate::_q_screenSaverSleep(), QWSServerPrivate::_q_screenSaverWake(), QWSServer::beginDisplayReconfigure(), QWSServerPrivate::closeDisplay(), QVNCScreen::connect(), QMultiScreen::connect(), QTransformedScreen::connect(), QWSWindow::createSurface(), QWSDisplay::depth(), effectiveState(), QWSServer::endDisplayReconfigure(), QQnxScreen::exposeRegion(), QWSServerPrivate::exposeRegion(), QWSDisplay::Data::fillQueue(), QWSDisplay::frameBuffer(), getScreen(), glScreenForDevice(), QWSTtyKbPrivate::handleConsoleSwitch(), QWSDisplay::height(), QScreenCursor::hide(), QWSDisplay::Data::init(), QScreen::instance(), isServerProcess(), QMultiScreenCursor::move(), QScreenCursor::move(), QWSServerPrivate::newMouseHandler(), QWSServerPrivate::openDisplay(), QWSDisplay::pixmapDepth(), QDirectFBKeyboardHandlerPrivate::QDirectFBKeyboardHandlerPrivate(), QQnxMouseHandler::QQnxMouseHandler(), QScreenCursor::QScreenCursor(), qt_conv16ToRgb(), qt_defaultDpiX(), qt_defaultDpiY(), qt_get_screen(), QApplication::qwsSetCustomColors(), QDirectFBKeyboardHandlerPrivate::readKeyboardData(), QWSLinuxInputMousePrivate::readMouseData(), QWSTslibMouseHandlerPrivate::readMouseData(), QWSLinuxTPMouseHandlerPrivate::readMouseData(), screenForDevice(), QWSPcMouseHandlerPrivate::sendEvent(), QWSServer::sendMouseEvent(), QScreenCursor::set(), QWSServer::setBackground(), QQnxScreen::setDirty(), setMaxWindowRect(), QWSServer::setMaxWindowRect(), QWSOnScreenSurface::setPermanentState(), QWSMouseHandler::setScreen(), QWSServer::setScreenSaverIntervals(), QScreenCursor::show(), QWSDisplay::supportsDepth(), PvrEglScreen::transformation(), QWSKeyboardHandler::transformDirKey(), QETWidget::translateMouseEvent(), QWSServerPrivate::update_regions(), QWSDisplay::width(), and QWSDisplay::Data::~Data().

qt_screencursor

Q_GUI_EXPORT QScreenCursor* qt_screencursor = 0

Definition at line 67 of file qscreen_qws.cpp.

Referenced by QWSServer::beginDisplayReconfigure(), blendCursor(), buttonChange(), QWSServer::endDisplayReconfigure(), QScreen::exposeRegion(), QWSServerPrivate::hideCursor(), QVNCScreen::initDevice(), QMultiScreen::initDevice(), QDirectFBScreen::initDevice(), QScreenCursor::initSoftwareCursor(), QScreenCursor::instance(), QVNCClientCursor::QVNCClientCursor(), QVNCCursor::QVNCCursor(), QVNCDirtyMap::QVNCDirtyMap(), QWSServerPrivate::resetEngine(), QWSServerPrivate::sendMouseEventUnfiltered(), QWSCursor::set(), QWSServerPrivate::setCursor(), QVNCServer::setEncodings(), QWSServerPrivate::showCursor(), QDirectFBScreen::shutdownDevice(), QScreen::shutdownDevice(), QRfbRawEncoder::write(), QRfbHextileEncoder< SRC >::write(), QWSDisplay::Data::~Data(), QMultiScreenCursor::~QMultiScreenCursor(), QVNCClientCursor::~QVNCClientCursor(), and QVNCCursor::~QVNCCursor().

qws_accel

bool qws_accel

Definition at line 133 of file qapplication_qws.cpp.

Referenced by QScreen::shutdownDevice(), and QScreen::subScreenIndexAt().