QRfbSingleColorHextile< SRC > Class Template Reference

#include <qscreenvnc_p.h>

Public Functions
	QRfbSingleColorHextile (QRfbHextileEncoder< SRC > *e)
	QRfbSingleColorHextile (QRfbHextileEncoder< SRC > *e)
bool	read (const uchar *data, int width, int height, int stride)
bool	read (const uchar *data, int width, int height, int stride)
void	write (QTcpSocket *socket) const
void	write (QTcpSocket *socket) const

Properties
QRfbHextileEncoder< SRC > *	encoder

Detailed Description

template<class SRC>
class QRfbSingleColorHextile< SRC >

Definition at line 292 of file qscreenvnc_p.h.

Constructors and Destructors

QRfbSingleColorHextile() [1/2]

template<class SRC>

QRfbSingleColorHextile< SRC >::QRfbSingleColorHextile ( QRfbHextileEncoder< SRC > *  e )

inline

Definition at line 295 of file qscreenvnc_p.h.

: encoder(e) {}

QRfbSingleColorHextile() [2/2]

template<class SRC>

QRfbSingleColorHextile< SRC >::QRfbSingleColorHextile ( QRfbHextileEncoder< SRC > *  e )

inline

Definition at line 301 of file qvncserver.h.

: encoder(e) {}

Functions

read() [1/2]

template<class SRC >

bool QRfbSingleColorHextile< SRC >::read	(	const uchar *	data,
		int	width,
		int	height,
		int	stride
	)

Definition at line 1073 of file qscreenvnc_qws.cpp.

Referenced by buttonChange().

{
    const int depth = encoder->server->screen()->depth();
    if (width % (depth / 8)) // hw: should rather fallback to simple loop
        return false;

    static int alwaysFalse = qgetenv("QT_VNC_NOCHECKFILL").toInt();
    if (alwaysFalse)
        return false;

    switch (depth) {
    case 4: {
        const quint8 *data8 = reinterpret_cast<const quint8*>(data);
        if ((data8[0] & 0xf) != (data8[0] >> 4))
            return false;
        width /= 2;
    } // fallthrough
    case 8: {
        const quint8 *data8 = reinterpret_cast<const quint8*>(data);
        if (data8[0] != data8[1])
            return false;
        width /= 2;
    } // fallthrough
    case 12:
    case 15:
    case 16: {
        const quint16 *data16 = reinterpret_cast<const quint16*>(data);
        if (data16[0] != data16[1])
            return false;
        width /= 2;
    } // fallthrough
    case 18:
    case 24:
    case 32: {
        const quint32 *data32 = reinterpret_cast<const quint32*>(data);
        const quint32 first = data32[0];
        const int linestep = (stride / sizeof(quint32)) - width;
        for (int y = 0; y < height; ++y) {
            for (int x = 0; x < width; ++x) {
                if (*(data32++) != first)
                    return false;
            }
            data32 += linestep;
        }
        break;
    }
    default:
        return false;
    }

    SRC color = reinterpret_cast<const SRC*>(data)[0];
    encoder->newBg |= (color != encoder->bg);
    encoder->bg = color;
    return true;
}

read() [2/2]

template<class SRC>

bool QRfbSingleColorHextile< SRC >::read	(	const uchar *	data,
		int	width,
		int	height,
		int	stride
	)

write() [1/2]

template<class SRC >

void QRfbSingleColorHextile< SRC >::write

(

QTcpSocket *

socket

)

const

Definition at line 1131 of file qscreenvnc_qws.cpp.

Referenced by buttonChange().

{
    if (true || encoder->newBg) {
        const int bpp = encoder->server->clientBytesPerPixel();
        const int padding = 3;
        QVarLengthArray<char> buffer(padding + 1 + bpp);
        buffer[padding] = 2; // BackgroundSpecified
        encoder->server->convertPixels(buffer.data() + padding + 1,
                                       reinterpret_cast<char*>(&encoder->bg),
                                       1);
        socket->write(buffer.data() + padding, bpp + 1);
//        encoder->newBg = false;
    } else {
        char subenc = 0;
        socket->write(&subenc, 1);
    }
}

write() [2/2]

template<class SRC>

void QRfbSingleColorHextile< SRC >::write

(

QTcpSocket *

socket

)

const

Properties

encoder

template<class SRC>

QRfbHextileEncoder< SRC > * QRfbSingleColorHextile< SRC >::encoder

private

Definition at line 300 of file qscreenvnc_p.h.

---

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

• /src/plugins/gfxdrivers/vnc/qscreenvnc_p.h
• /src/plugins/platforms/vnc/qvncserver.h
• /src/plugins/gfxdrivers/vnc/qscreenvnc_qws.cpp
• /src/plugins/platforms/vnc/qvncserver.cpp