C++ (Cpp) sraReverse Examples

Example #1

File: rfbregion.c Project: DjCBS3/vino

static sraSpan* sraNextSpan(sraRectangleIterator *i)
{
  if(sraReverse(i))
    return(i->sPtrs[i->ptrPos]->_prev);
  else
    return(i->sPtrs[i->ptrPos]->_next);
}

Example #2

File: rfbregion.c Project: AlexWMF/Carberp

rfbBool sraRgnIteratorNext(sraRectangleIterator* i,sraRect* r)
{
    if ((!i) || (!r))
        return(0);
    /* is the subspan finished? */
    while(sraNextSpan(i) == i->sPtrs[i->ptrPos+1])
    {
        i->ptrPos -= 2;
        if(i->ptrPos < 0) /* the end */
            return(0);
    }

    i->sPtrs[i->ptrPos] = sraNextSpan(i);

    /* is this a new subspan? */
    while((i->sPtrs[i->ptrPos]) && (i->sPtrs[i->ptrPos]->subspan))
    {
        if(i->ptrPos+2 > i->ptrSize)   /* array is too small */
        {
            i->ptrSize += DEFSTEP;
            i->sPtrs = (sraSpan**)MemRealloc(i->sPtrs, sizeof(sraSpan*)*i->ptrSize);
        }
        i->ptrPos =+ 2;
        if(sraReverse(i))
        {
            i->sPtrs[i->ptrPos]   =   i->sPtrs[i->ptrPos-2]->subspan->back._prev;
            i->sPtrs[i->ptrPos+1] = &(i->sPtrs[i->ptrPos-2]->subspan->front);
        }
        else
        {
            i->sPtrs[i->ptrPos]   =   i->sPtrs[i->ptrPos-2]->subspan->front._next;
            i->sPtrs[i->ptrPos+1] = &(i->sPtrs[i->ptrPos-2]->subspan->back);
        }
    }

    if((i->ptrPos%4)!=2)
    {
        ///rfbErr("sraRgnIteratorNext: offset is wrong (%d%%4!=2)\n",i->ptrPos);
        return FALSE;
    }

    r->y1 = i->sPtrs[i->ptrPos-2]->start;
    r->y2 = i->sPtrs[i->ptrPos-2]->end;
    r->x1 = i->sPtrs[i->ptrPos]->start;
    r->x2 = i->sPtrs[i->ptrPos]->end;

    return(-1);
}