guidemo_navi.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		: GUIDEMO_Navi.c
Purpose 	: Navigation system demo
----------------------------------------------------------------------
*/

#include <math.h>

#include "GUI.h"
#include "GUIDEMO.h"

#if GUI_WINSUPPORT & GUI_SUPPORT_MEMDEV

#include "WM.h"
#include "FRAMEWIN.h"

#include "Map.h"

/*********************************************************************
*
*   	defines
*
**********************************************************************
*/

#if GUIDEMO_TINY
#define BORDER 0
#else
#define BORDER 8
#endif

/*********************************************************************
*
*   	static data
*
**********************************************************************
*/

static int _MapX = 0;
static int _MapY = 0;
static int _MapHereX = 90;
static int _MapHereY = 15;

/*********************************************************************
*
*   	static code
*
**********************************************************************
*/
/*********************************************************************
*
*   	_cbNaviWindow
*/
static void _cbNaviWindow(WM_MESSAGE *pMsg)
{
	switch (pMsg->MsgId)
	{
		case WM_PAINT:
			GUI_SetDrawMode(GUI_DRAWMODE_NORMAL);
			GUI_SetTextMode(GUI_TM_TRANS);
			GUI_SetFont(&GUI_FontComic18B_ASCII);
			GUI_SetColor(0x0050FF);
			GUI_DrawBitmap(&bmMap, -_MapX, -_MapY);
			GUI_DrawCircle(_MapHereX - _MapX, _MapHereY - _MapY, 4);
			GUI_DrawCircle(_MapHereX - _MapX, _MapHereY - _MapY, 5);
			GUI_DispStringAt("You are here", _MapHereX - _MapX - 45, _MapHereY - _MapY - 22);
			break;
		default:
			WM_DefaultProc(pMsg);
	}
}

/*********************************************************************
*
*   	_NavigationDriveTo
*/
static void _NavigationDriveTo(WM_HWIN hWin, int x1, int y1)
{
	GUI_RECT Rect;
	int   x0 = _MapHereX;
	int   y0 = _MapHereY;
	float dx = x1 - x0;
	float dy = y1 - y0;
	float Len = sqrt((dx *dx) + (dy *dy));
	float sx = dx / Len;
	float sy = dy / Len;
	int   i, tRef;
	WM_GetClientRectEx(hWin, &Rect);
	for (i = 1; (i <= Len) && !GUIDEMO_CheckCancel(); i += 2)
	{
		tRef = GUI_GetTime();
		_MapHereX = x0 + (i * sx);
		_MapHereY = y0 + (i * sy);
		_MapX = _MapHereX - (Rect.x1 >> 1);
		_MapY = _MapHereY - (Rect.y1 >> 1);
		if (_MapX < 0)
		{
			_MapX = 0;
		}
		else if ((_MapX + Rect.x1) >= bmMap.XSize)
		{
			_MapX = bmMap.XSize - Rect.x1 - 1;
		}
		if (_MapY < 0)
		{
			_MapY = 0;
		}
		else if ((_MapY + Rect.y1) >= bmMap.YSize)
		{
			_MapY = bmMap.YSize - Rect.y1 - 1;
		}
		WM_InvalidateWindow(hWin);
		do
		{
			GUI_Exec();
		}
		while (((GUI_GetTime() - tRef) < 100) && !GUIDEMO_CheckCancel());
	}
	_MapHereX = x1;
	_MapHereY = y1;
	WM_InvalidateWindow(hWin);
}

/*********************************************************************
*
*   	_ShowMovingMap
*/
static void _ShowMovingMap(void)
{
	WM_HWIN hWin;
	WM_HWIN hClient;
	int i, x, y, w, h;
	int xSize = LCD_GetXSize();
	int ySize = LCD_GetYSize();
	const GUI_POINT aRouteToSegger[] = {
	{ 90,  15}, {131,  54}, {141,  62},
	{166,  46}, {180,  40}, {204, 113},
	{213, 156}, {217, 172}, {206, 173},
	{205, 165}
	};
#if GUIDEMO_LARGE
	y = 70;
#else
	y = BORDER;
#endif
	x = BORDER;
	w = xSize - x - BORDER;
	h = ySize - y - BORDER;
	if (w > bmMap.XSize)
	{
		w = bmMap.XSize;
	}
	if (h > bmMap.YSize)
	{
		h = bmMap.YSize;
	}
	/* Initialize starting point */
	_MapHereX = aRouteToSegger[0].x;
	_MapHereY = aRouteToSegger[0].y;
	/* Create framewin */
	hWin = FRAMEWIN_CreateEx(x, y, w, h, WM_HBKWIN, WM_CF_SHOW | WM_CF_MEMDEV, 0, 0, "Map to Segger (Hilden)", _cbNaviWindow);
	FRAMEWIN_SetActive(hWin, 0);
	hClient = WM_GetClientWindow(hWin);
	WM_SetCallback(hClient, &_cbNaviWindow);
	/* Move over map */
	for (i = 1; (i < 10) && !GUIDEMO_CheckCancel(); i++)
	{
		_NavigationDriveTo(hClient, aRouteToSegger[i].x, aRouteToSegger[i].y);
	}
	GUIDEMO_Delay(1000);
	/* Delete framewin */
	WM_DeleteWindow(hWin);
}

#else

#define _ShowMovingMap()

#endif

/*********************************************************************
*
*   	GUIDEMO_Navigation
*
**********************************************************************
*/

void GUIDEMO_Navigation(void)
{
	GUIDEMO_ShowIntro("Navigation system", "\nSamples used in"
					"\nNavigation systems");
	_ShowMovingMap();
}