qscreentransformed_qws.cpp File Reference

#include "qscreentransformed_qws.h"
#include <qscreendriverfactory_qws.h>
#include <qvector.h>
#include <private/qpainter_p.h>
#include <private/qmemrotate_p.h>
#include <qmatrix.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <errno.h>
#include <qwindowsystem_qws.h>
#include <qwsdisplay_qws.h>

Go to the source code of this file.

Classes
class	QTransformedScreenPrivate

Macros
#define	SET_BLIT_FUNC(dst, src, rotation, func)

Typedefs
typedef void(*	BlitFunc) (QScreen *, const QImage &, const QRect &, const QPoint &)

Functions
template<class DST , class SRC >
static void	blit180 (QScreen *screen, const QImage &image, const QRect &rect, const QPoint &topLeft)
template<class DST , class SRC >
static void	blit270 (QScreen *screen, const QImage &image, const QRect &rect, const QPoint &topLeft)
template<class DST , class SRC >
static void	blit90 (QScreen *screen, const QImage &image, const QRect &rect, const QPoint &topLeft)
static QRect	correctNormalized (const QRect &r)
static QTransformedScreen::Transformation	filterTransformation (QString &spec)
static int	getDisplayId (const QString &spec)
Q_DECL_EXPORT void	qws_setScreenTransformation (QScreen *that, int t)

Macro Definition Documentation

SET_BLIT_FUNC

#define SET_BLIT_FUNC	(		dst,
			src,
			rotation,
			func
	)

Value:

do {                                            \
    switch (rotation) {                         \
    case Rot90:                                 \
        func = blit90<dst, src>;                \
        break;                                  \
    case Rot180:                                \
        func = blit180<dst, src>;               \
        break;                                  \
    case Rot270:                                \
        func = blit270<dst, src>;               \
        break;                                  \
    default:                                    \
        break;                                  \
    }                                           \
} while (0)

Definition at line 348 of file qscreentransformed_qws.cpp.

Referenced by QTransformedScreen::blit().

Typedef Documentation

BlitFunc

typedef void(* BlitFunc) (QScreen *, const QImage &, const QRect &, const QPoint &)

Definition at line 346 of file qscreentransformed_qws.cpp.

Function Documentation

blit180()

template<class DST , class SRC >

static void blit180 ( QScreen *  screen, const QImage &  image, const QRect &  rect, const QPoint &  topLeft  )

inlinestatic

Definition at line 325 of file qscreentransformed_qws.cpp.

{
    const SRC *src = (const SRC*)(image.scanLine(rect.top())) + rect.left();
    DST *dest = (DST*)(screen->base() + topLeft.y() * screen->linestep())
                + topLeft.x();
    qt_memrotate180(src, rect.width(), rect.height(), image.bytesPerLine(),
                    dest, screen->linestep());
}

blit270()

template<class DST , class SRC >

static void blit270 ( QScreen *  screen, const QImage &  image, const QRect &  rect, const QPoint &  topLeft  )

inlinestatic

Definition at line 336 of file qscreentransformed_qws.cpp.

{
    const SRC *src = (const SRC *)(image.scanLine(rect.top())) + rect.left();
    DST *dest = (DST*)(screen->base() + topLeft.y() * screen->linestep())
                + topLeft.x();
    qt_memrotate270(src, rect.width(), rect.height(), image.bytesPerLine(),
                    dest, screen->linestep());
}

blit90()

template<class DST , class SRC >

static void blit90 ( QScreen *  screen, const QImage &  image, const QRect &  rect, const QPoint &  topLeft  )

inlinestatic

Definition at line 314 of file qscreentransformed_qws.cpp.

{
    const SRC *src = (const SRC*)(image.scanLine(rect.top())) + rect.left();
    DST *dest = (DST*)(screen->base() + topLeft.y() * screen->linestep())
                + topLeft.x();
    qt_memrotate90(src, rect.width(), rect.height(), image.bytesPerLine(),
                   dest, screen->linestep());
}

correctNormalized()

static QRect correctNormalized ( const QRect &  r )

inlinestatic

Definition at line 304 of file qscreentransformed_qws.cpp.

Referenced by QTransformedScreen::mapFromDevice(), and QTransformedScreen::mapToDevice().

                                                      {
    const int x1 = qMin(r.left(), r.right());
    const int x2 = qMax(r.left(), r.right());
    const int y1 = qMin(r.top(), r.bottom());
    const int y2 = qMax(r.top(), r.bottom());

    return QRect( QPoint(x1,y1), QPoint(x2,y2) );
}

filterTransformation()

static QTransformedScreen::Transformation filterTransformation ( QString &  spec )

static

Definition at line 196 of file qscreentransformed_qws.cpp.

Referenced by QTransformedScreen::connect().

{
    QRegExp regexp(QLatin1String("\\bRot(\\d+):?\\b"), Qt::CaseInsensitive);
    if (regexp.indexIn(spec) == -1)
        return QTransformedScreen::None;

    const int degrees = regexp.cap(1).toInt();
    spec.remove(regexp.pos(0), regexp.matchedLength());

    return static_cast<QTransformedScreen::Transformation>(degrees / 90);
}

getDisplayId()

static int getDisplayId ( const QString &  spec )

static

Definition at line 186 of file qscreentransformed_qws.cpp.

Referenced by QTransformedScreen::connect().

{
    QRegExp regexp(QLatin1String(":(\\d+)\\b"));
    if (regexp.lastIndexIn(spec) != -1) {
        const QString capture = regexp.cap(1);
        return capture.toInt();
    }
    return 0;
}

qws_setScreenTransformation()

Q_DECL_EXPORT void qws_setScreenTransformation	(	QScreen *	that,
		int	t
	)

Definition at line 97 of file qscreentransformed_qws.cpp.

Referenced by getTransformationFunction().

{
    QTransformedScreen *tscreen = static_cast<QTransformedScreen*>(that);
    tscreen->setTransformation((QTransformedScreen::Transformation)t);
}