Exemplo n.º 1
0
static int l_GetSubSurface (lua_State* L)
{
	// [ sfc | t_rect ]
	IDirectFBSurface* sfc = * (IDirectFBSurface**) luaL_checkudata(L, 1, "ldirectfb.IDirectFBSurface");
	IDirectFBSurface* sub;
	DFBRectangle rect;
	table2DFBRectangle(L, &rect);
	DFBCHECK( sfc->GetSubSurface(sfc, &rect, &sub) );
	lua_pushlightuserdata(L, sub);    // [ sfc | t_rect | sub ]
	l_IDirectFBSurface_toudata(L);    // [ sfc | t_rect | _sub ]
	return 1;
}
Exemplo n.º 2
0
void QDirectFBWindowSurface::setGeometry(const QRect &rect)
{
    const QRect oldRect = geometry();
    if (oldRect == rect)
        return;

    IDirectFBSurface *oldSurface = dfbSurface;
    const bool sizeChanged = oldRect.size() != rect.size();
    if (sizeChanged) {
        delete engine;
        engine = 0;
        releaseSurface();
        Q_ASSERT(!dfbSurface);
    }

    if (rect.isNull()) {
#ifndef QT_NO_DIRECTFB_WM
        if (dfbWindow) {
            if (window())
                window()->setProperty("_q_DirectFBWindowID", QVariant());

            dfbWindow->Release(dfbWindow);
            dfbWindow = 0;
        }
#endif
        Q_ASSERT(!dfbSurface);
#ifdef QT_DIRECTFB_SUBSURFACE
        Q_ASSERT(!subSurface);
#endif
    } else {
#ifdef QT_DIRECTFB_WM
        if (!dfbWindow) {
            createWindow(rect);
        } else {
            setWindowGeometry(dfbWindow, oldRect, rect);
            Q_ASSERT(!sizeChanged || !dfbSurface);
            if (sizeChanged)
                dfbWindow->GetSurface(dfbWindow, &dfbSurface);
        }
#else
        IDirectFBSurface *primarySurface = screen->primarySurface();
        DFBResult result = DFB_OK;
        if (mode == Primary) {
            Q_ASSERT(primarySurface);
            if (rect == screen->region().boundingRect()) {
                dfbSurface = primarySurface;
            } else {
                const DFBRectangle r = { rect.x(), rect.y(),
                                         rect.width(), rect.height() };
                result = primarySurface->GetSubSurface(primarySurface, &r, &dfbSurface);
            }
        } else { // mode == Offscreen
            if (!dfbSurface) {
                dfbSurface = screen->createDFBSurface(rect.size(), surfaceFlags() & Opaque ? screen->pixelFormat() : screen->alphaPixmapFormat(),
                                                      QDirectFBScreen::DontTrackSurface);
            }
        }
        if (result != DFB_OK)
            DirectFBErrorFatal("QDirectFBWindowSurface::setGeometry()", result);
#endif
    }
    if (oldSurface != dfbSurface) {
        imageFormat = dfbSurface ? QDirectFBScreen::getImageFormat(dfbSurface) : QImage::Format_Invalid;
    }

    if (oldRect.size() != rect.size()) {
        QWSWindowSurface::setGeometry(rect);
    } else {
        QWindowSurface::setGeometry(rect);
    }
}