/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              µC/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_SetDesktopColor.c
Purpose     : Windows manager, add. module
----------------------------------------------------------------------
*/

#include "WM_Intern_ConfDep.h"

#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       WM_SetDesktopColorEx
*/
GUI_COLOR WM_SetDesktopColorEx(GUI_COLOR Color, unsigned int LayerIndex) {
  GUI_COLOR r = GUI_INVALID_COLOR;
  if (LayerIndex <  GUI_NUM_LAYERS) {
    r = WM__aBkColor[LayerIndex];
    WM__aBkColor[LayerIndex] = Color;
    WM_InvalidateWindow(WM__ahDesktopWin[LayerIndex]);
  }
  return r;
}

/*********************************************************************
*
*       WM_SetDesktopColor
*/
GUI_COLOR WM_SetDesktopColor(GUI_COLOR Color) {
  return WM_SetDesktopColorEx(Color, 0);
}

/*********************************************************************
*
*       WM_SetDesktopColors
*/
void WM_SetDesktopColors(GUI_COLOR Color) {
  int i;
  for (i = 0; i < GUI_NUM_LAYERS; i++) {
    WM_SetDesktopColorEx(Color, i);
  }
}

#else
  void WM_SetDesktopColor_c(void) {} /* avoid empty object files */
#endif   /* GUI_WINSUPPORT */

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