60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : GUI_MergeRect.c
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Purpose : Implementation of GUI_MergeRect
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----------------------------------------------------------------------
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*/
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#include "GUI.h"
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#include "GUIDebug.h"
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/*********************************************************************
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*
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* Defines
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*
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**********************************************************************
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*/
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#define Min(v0,v1) ((v0>v1) ? v1 : v0)
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#define Max(v0,v1) ((v0>v1) ? v0 : v1)
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/*********************************************************************
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*
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* Public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* GUI_MergeRect
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*
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* Purpose:
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* Calc smalles rectangles containing both rects.
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*/
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void GUI_MergeRect(GUI_RECT* pDest, const GUI_RECT* pr0, const GUI_RECT* pr1) {
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if (pDest) {
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if (pr0 && pr1) {
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pDest->x0 = Min(pr0->x0, pr1->x0);
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pDest->y0 = Min(pr0->y0, pr1->y0);
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pDest->x1 = Max(pr0->x1, pr1->x1);
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pDest->y1 = Max(pr0->y1, pr1->y1);
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return;
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}
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*pDest = *(pr0 ? pr0 : pr1);
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}
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}
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/*************************** End of file ****************************/
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