button__setbitmapobj.c

ucgui的3.98版本的源代码

/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        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        : BUTTON__SetBitmapObj.c
Purpose     : Button bitmap support, private function
---------------------------END-OF-HEADER------------------------------
*/

#include "BUTTON.h"
#include "BUTTON_Private.h"
#include "GUI_Protected.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Exported functions
*
**********************************************************************
*/
/*********************************************************************
*
*       BUTTON_SetDrawObj
*/
void BUTTON__SetDrawObj(BUTTON_Handle hObj, int Index, GUI_DRAW_HANDLE hDrawObj) {
  if (hObj) {
    BUTTON_Obj* pObj;
    WM_LOCK();
    pObj = BUTTON_H2P(hObj);
    if ((unsigned int)Index <= GUI_COUNTOF(pObj->ahDrawObj)) {
      GUI_ALLOC_FreePtr(&pObj->ahDrawObj[Index]);
      pObj->ahDrawObj[Index] = hDrawObj;
      BUTTON_Invalidate(hObj);
    }
    WM_UNLOCK();
  }
}

#else                            /* Avoid problems with empty object modules */
  void BUTTON__SetBitmapObj_C(void) {}
#endif