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****************************************************************************/

#ifdef Q_OS_WINCE_WM

#include <Ddraw.h>

#include <QDebug>

static LPDIRECTDRAW                g_pDD = NULL;            // DirectDraw object

static LPDIRECTDRAWSURFACE         g_pDDSSurface = NULL;    // DirectDraw primary surface

static DDSCAPS ddsCaps;

static DDSURFACEDESC ddsSurfaceDesc;

static void *buffer = NULL;

static int width = 0;

static int height = 0;

static int pitch = 0;

static int bitCount = 0;

static int windowId = 0;

static bool initialized = false;

static bool locked = false;

void q_lock()

{

    if (locked) {

        qWarning("Direct Painter already locked (QDirectPainter::lock())");

        return;

    }

    locked = true;

    memset(&ddsSurfaceDesc, 0, sizeof(ddsSurfaceDesc));

    ddsSurfaceDesc.dwSize = sizeof(ddsSurfaceDesc);

    HRESULT h = g_pDDSSurface->Lock(0, &ddsSurfaceDesc, DDLOCK_WRITEONLY, 0);

    if (h != DD_OK)

        qDebug() << "GetSurfaceDesc failed!";

    width = ddsSurfaceDesc.dwWidth;

    height = ddsSurfaceDesc.dwHeight;

    bitCount = ddsSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;

    pitch = ddsSurfaceDesc.lPitch;

    buffer = ddsSurfaceDesc.lpSurface;

}

void q_unlock()

{

    if( !locked) {

        qWarning("Direct Painter not locked (QDirectPainter::unlock()");

        return;

    }

    g_pDDSSurface->Unlock(0);

    locked = false;

}

void q_initDD()

{

    if (initialized)

        return;

    DirectDrawCreate(NULL, &g_pDD, NULL);

    HRESULT h;

    h = g_pDD->SetCooperativeLevel(0, DDSCL_NORMAL);

    if (h != DD_OK)

        qDebug() << "cooperation level failed";

    h = g_pDD->TestCooperativeLevel();

    if (h != DD_OK)

        qDebug() << "cooperation level failed test";

    DDSURFACEDESC ddsd;

    memset(&ddsd, 0, sizeof(ddsd));

    ddsd.dwSize = sizeof(ddsd);

    ddsd.dwFlags = DDSD_CAPS;

    ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;

    h = g_pDD->CreateSurface(&ddsd, &g_pDDSSurface, NULL);

    if (h != DD_OK)

        qDebug() << "CreateSurface failed!";

    if (g_pDDSSurface->GetCaps(&ddsCaps) != DD_OK)

        qDebug() << "GetCaps failed";

    q_lock();

    q_unlock();

    initialized = true;

}

uchar* q_frameBuffer()

{

    return (uchar*) buffer;

}

int q_screenDepth()

{

    return bitCount;

}

int q_screenWidth()

{

    return width;

}

int q_screenHeight()

{

    return height;

}

int q_linestep()

{

    return pitch;

}

#endif //Q_OS_WINCE_WM