editfloat.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 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		: EditDec
Purpose 	: Edit decimal values
---------------------------END-OF-HEADER------------------------------
*/

#include <math.h>

#include "EDIT.h"
#include "GUIDebug.h"
#include "GUI_Protected.h"
#include "EDIT_Private.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*   		  Exported routines
*
**********************************************************************
*/
/*********************************************************************
*
*   	EDIT_SetFloatMode
*/
void EDIT_SetFloatMode(EDIT_Handle hEdit, float Value, float Min, float Max, int Shift, U8 Flags)
{
	I32 _Value, _Min, _Max;
	float Scale;
	if (hEdit)
	{
		WM_LOCK();
		Scale = (float) GUI_Pow10[Shift];
		_Value = floor(Scale * Value + 0.5);
		_Min = floor(Scale * Min + 0.5);
		_Max = floor(Scale * Max + 0.5);
		EDIT_SetDecMode(hEdit, _Value, _Min, _Max, Shift, Flags);
		WM_UNLOCK();
	}
}

/*********************************************************************
*
*   	EDIT_GetFloatValue
*/
float EDIT_GetFloatValue(EDIT_Handle hObj)
{
	float Value = 0;
	if (hObj)
	{
		float Scale;
		EDIT_Obj * pObj;
		WM_LOCK();
		pObj = EDIT_H2P(hObj);
		Scale = (float) GUI_Pow10[pObj->NumDecs];
		Value = (float) (I32) pObj->CurrentValue / Scale;
		WM_UNLOCK();
	}
	return Value;
}

/*********************************************************************
*
*   	EDIT_SetFloatValue
*/
void EDIT_SetFloatValue(EDIT_Handle hObj, float Value)
{
	if (hObj)
	{
		float Scale;
		EDIT_Obj * pObj;
		WM_LOCK();
		pObj = EDIT_H2P(hObj);
		Scale = (float) GUI_Pow10[pObj->NumDecs];
		Value *= Scale;
		EDIT_SetValue(hObj, (I32) (Value + (Value >= 0 ? 0.5 : -0.5)));
		WM_UNLOCK();
	}
}

#else  /* avoid empty object files */

void EditFloat_C(void);
void EditFloat_C(void)
{
}

#endif /* GUI_WINSUPPORT */