guidev_auto.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*********************************************************************
*   			 SEGGER MICROCONTROLLER SYSTEME GmbH				 *
*   	 Solutions for real time microcontroller applications   	 *
**********************************************************************
*   																 *
*   	 (c) 1996 - 2004  SEGGER Microcontroller Systeme GmbH   	 *
*   																 *
*   	 Internet: www.segger.com    Support:  [e-mail]    *
*   																 *
**********************************************************************

***** emWin - Graphical user interface for embedded applications *****
emWin 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 re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File		: GUIDEV_Auto.c
Purpose 	: Implementation of automatic banding memory devices
---------------------------END-OF-HEADER------------------------------
*/

#include "GUI_Protected.h"
#include "GUIDebug.h"

/* Memory device capabilities are compiled only if support for them is enabled. */ 

#if GUI_SUPPORT_MEMDEV

/*********************************************************************
*
*   	public code
*
**********************************************************************
*/
/*********************************************************************
*
*   	GUI_MEMDEV_CreateAuto
*/
int GUI_MEMDEV_CreateAuto(GUI_AUTODEV *pAutoDev)
{
	pAutoDev->FirstCall = 1;
	return 0;
}

/*********************************************************************
*
*   	GUI_MEMDEV_DeleteAuto
*/
void GUI_MEMDEV_DeleteAuto(GUI_AUTODEV *pAutoDev)
{
	GUI_USE_PARA(pAutoDev);
}

/*********************************************************************
*
*   	GUI_MEMDEV_DrawAuto
*/
int GUI_MEMDEV_DrawAuto(GUI_AUTODEV *pAutoDev, GUI_AUTODEV_INFO *pAutoDevInfo, GUI_CALLBACK_VOID_P *pfDraw, void *pData)
{
	GUI_RECT rTemp;
	GUI_HMEM hMem = GUI_MEASDEV_Create();
	if (!hMem)
	{
		return 1;
	}
	GUI_MEASDEV_Select(hMem);
	/* Measure area to draw */
	if (pAutoDev->FirstCall)
	{
		/* Measure complete area */
		pAutoDevInfo->DrawFixed = 1;
		pfDraw(pData);
		GUI_MEASDEV_GetRect(hMem, &pAutoDev->rView);
		/* Measure variable area only */
		GUI_MEASDEV_ClearRect(hMem);
		pAutoDevInfo->DrawFixed = 0;
		pfDraw(pData);
		GUI_MEASDEV_GetRect(hMem, &pAutoDev->rPrev);
	}
	else
	{
		/* Measure variable area only */
		pfDraw(pData);
		GUI_MEASDEV_GetRect(hMem, &pAutoDev->rView);
		rTemp = pAutoDev->rView;
		GUI_MergeRect(&pAutoDev->rView, &pAutoDev->rView, &pAutoDev->rPrev);
		pAutoDev->rPrev = rTemp;
	}
	GUI_MEASDEV_Delete(hMem);
	/* Do the actual drawing */
	pAutoDevInfo->DrawFixed = 1;
	if (GUI_MEMDEV_Draw(&pAutoDev->rView, pfDraw, pData, 0, GUI_MEMDEV_NOTRANS))
	{
		return 1;
	}
	pAutoDevInfo->DrawFixed = 0;
	pAutoDev->FirstCall = 0;
	return 0;
}

#else

void GUIDEV_Auto(void)
{
} /* avoid empty object files */

#endif /* GUI_SUPPORT_MEMDEV */

/*************************** end of file ****************************/