lcd 显示（二）

来源：互联网发布：软件测试招聘编辑：程序博客网时间：2024/06/06 10:51

CdrDisplay::CdrDisplay(int disp_id, ViewInfo *sur)
{
mCD = new CedarDisplay(disp_id);
mHlay = mCD->requestSurface(sur);
mLayerOpened = true;
}

int CdrDisplay::getHandle()
{
return mHlay;
}

CdrDisplay::CdrDisplay(int disp_id)
{
ViewInfo sur;
memset(&sur, 0, sizeof(ViewInfo));
CdrDisplay(disp_id, &sur);
}

CdrDisplay::~CdrDisplay()
{
db_msg("CdrDisplay Destructor\n");
mCD->releaseSurface(mHlay);
delete mCD;
mCD = NULL;
}

void CdrDisplay::setBottom()
{
}

void CdrDisplay::setRect(CDR_RECT &rect)
{
ViewInfo vi;
if(mCD) {
  vi.x = rect.x;
  vi.y = rect.y;
  vi.w = rect.w;
  vi.h = rect.h;

  db_msg("[richard ]x=%d,y=%d,w=%d,h=%d\n",vi.x,vi.y,vi.w,vi.h);

  mCD->setPreviewRect(&vi);
} else {
  db_error("mCD is invalid\n");
}
}

void CdrDisplay::open() // UI图层2，0默认就是打开的
{

db_msg("<**CdrDisplay::open**>");
if(mLayerOpened == true)
  return;
if (mCD) {
  int ret;
  ret = mCD->open(mHlay, 1);
  db_msg("ret is %d\n", ret);
  if(ret == 0)
   mLayerOpened = true;
}
}

void CdrDisplay::openAdasScreen()
{
db_msg("<**CdrDisplay::openAdasScreen**>");
if (mCD) {
  int ret;
  ret = mCD->open(9, 1);                                              //  2*4+1 ,adas图层是2,1

  db_msg("ret is %d\n", ret);
  if(ret != 0)
   db_msg("<****openAdasScreen failed****>");
}
}

void CdrDisplay::close()
{
// if(mLayerOpened == false)
//  return;
if (mCD) {
  int ret;
  ret = mCD->open(mHlay, 0);
  db_msg("ret is %d\n", ret);
  if(ret == 0)
   mLayerOpened = false;
}
}

void CdrDisplay::closeAdasScreen()
{
db_msg("<**CdrDisplay::closeAdasScreen**>");
if (mCD) {
  int ret;
  ret = mCD->open(9, 0);
  db_msg("ret is %d\n", ret);
  if(ret != 0)
   db_msg("<****closeAdasScreen failed****>");
}
}

void CdrDisplay::exchange(int hlay, int flag)
{
mCD->exchangeSurface(mHlay, hlay, flag);
}

void CdrDisplay::otherScreen(int screen, int hlay)
{
mCD->otherScreen(screen, mHlay, hlay);
}

void CdrDisplay::clean(void)
{
mCD->clearSurface(mHlay);
}

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