gui_touch_storeunstable.c

来自「MCB2300_ucgui_LCD320240.rar LPC2368的u」· C语言 代码 · 共 66 行

/*
*********************************************************************************************************
*   											 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		: GUITOUCH_StoreUnstable.C
Purpose 	: Implementation of GUITOUCH_StoreUnstable
----------------------------------------------------------------------
*/

#include <stdlib.h>
#include "GUI_Protected.h"

/*********************************************************************
*
*   	Static data
*
**********************************************************************
*/

static int _x, _y;

/*********************************************************************
*
*   	Public code
*
**********************************************************************
*/
/*********************************************************************
*
*   	GUI_TOUCH_StoreUnstable
*/
void GUI_TOUCH_StoreUnstable(int x, int y)
{
	int xDiff, yDiff;
	xDiff = abs(x - _x);
	yDiff = abs(y - _y);
	if (xDiff + yDiff > 2)
	{
		_x = x;
		_y = y;
		GUI_TOUCH_StoreState(x, y);
	}
}

/*********************************************************************
*
*   	GUI_TOUCH_GetUnstable
*/
void GUI_TOUCH_GetUnstable(int *px, int *py)
{
	*px = _x;
	*py = _y;
}

/*************************** End of file ****************************/