/***********************************************************************************************************                                                uC/GUI*                        Universal graphic software for embedded applications**                       (c) Copyright 2002, Micrium Inc., Weston, FL*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH**              礐/GUI is protected by international copyright laws. Knowledge of the*              source code may not be used to write a similar product. This file may*              only be used in accordance with a license and should not be redistributed*              in any way. We appreciate your understanding and fairness.*----------------------------------------------------------------------File        : WM_SetTrans.CPurpose     : Windows manager, optional routines----------------------------------------------------------------------*/#include "WM_Intern.H"#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */#include "GUIDebug.h"#define WM_DEBUG_LEVEL 1/*  ********************************************************************  *                                                                  *  *           Manage transparency attributes                         *  *                                                                  *  *********************************************************************/void WM_SetHasTrans(WM_HWIN hWin) {  WM_Obj *pWin = WM_HANDLE2PTR(hWin);    /* First check if this is necessary at all */  if (pWin->Status&WM_SF_HASTRANS)    return;  /* Set Transparency flag */  pWin->Status |= WM_SF_HASTRANS;  /* Mark content as invalid */  WM_InvalidateWindow(hWin);}void WM_ClrHasTrans(WM_HWIN hWin) {  WM_Obj *pWin = WM_HANDLE2PTR(hWin);  /* First check if this is necessary at all */  if ((pWin->Status&WM_SF_HASTRANS) ==0)    return;  pWin->Status &= ~WM_SF_HASTRANS;  /* Mark content as invalid */  WM_InvalidateWindow(hWin);}int WM_GetHasTrans(WM_HWIN hWin) {  return WM_HANDLE2PTR(hWin)->Status &WM_SF_HASTRANS;}#elsevoid WM_SetTrans(void) {} /* avoid empty object files */#endif /* WM_MAX_WINDOW */