/***********************************************************************************************************                                                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        : GUIAutoDev.cPurpose     : 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/********************************************************************              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;}#elsevoid GUIDEV_Auto(void) {} /* avoid empty object files */#endif /* GUI_SUPPORT_MEMDEV */