GUIDEV_ReduceYSize.c
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上传日期:2017-08-10
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- /*
- *********************************************************************************************************
- * 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 : GUIDev2.C
- Purpose : Implementation of memory devices, add. module
- ---------------------------END-OF-HEADER------------------------------
- */
- #include "GUI_Protected.h"
- #include "GUIDebug.h"
- #include <string.h>
- /* Memory device capabilities are compiled only if support for them is enabled. */
- #if GUI_SUPPORT_MEMDEV
- /*
- *************************************************
- *
- * SetYSize
- *
- *************************************************
- */
- void GUI_MEMDEV_ReduceYSize(GUI_MEMDEV_Handle hMem, int YSize) {
- /* Make sure memory handle is valid */
- if (!hMem)
- hMem = GUI_Context.hDevData;
- if (!hMem)
- return;
- { GUI_MEMDEV* pDevData = (GUI_MEMDEV*) GUI_ALLOC_LOCK(hMem); /* Convert to pointer */
- if (YSize < pDevData->YSize)
- pDevData->YSize = YSize;
- } GUI_ALLOC_UNLOCK(hMem);
-
- }
- #else
-
- void GUIDEV_ReduceYSize(void) {} /* avoid empty object files */
- #endif /* GUI_MEMDEV_SUPPORT */