guicore.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		: GUICore.C
Purpose 	: Core routines
---------------------------END-OF-HEADER------------------------------
*/

#include <stddef.h> 		  /* needed for definition of NULL */

#define  GL_CORE_C

#include "GUI_Private.h"
#include "GUIDebug.h"

#if GUI_WINSUPPORT
#include "WM_GUI.h"
#include "WM.h"
#endif

/*********************************************************************
*
*   	Static data
*
**********************************************************************
*/
#if GUI_SUPPORT_AA
static const tLCD_HL_APIList _HL_APIList = {
LCD_DrawHLine,
LCD_DrawPixel
};
#endif

/*********************************************************************
*
*   	Static code
*
**********************************************************************
*/
/*********************************************************************
*
*   	_InitContext
*
* Purpose
*   Initializes the given context.
*
* Special considerations
*   Make sure that no GUI functions are called, because locking is
*   not allowed here (GUITASK_INIT not yet called).
*/
static void _InitContext(GUI_CONTEXT *pContext)
{
	/* memset(..,0,..) is not required, as this function is called only at startup of the GUI when data is 0 */
#if GUI_SUPPORT_DEVICES
	pContext->pDeviceAPI = LCD_aAPI[0]; /* &LCD_L0_APIList; */
#endif
	pContext->pClipRect_HL = &GUI_Context.ClipRect;
	LCD_L0_GetRect(&pContext->ClipRect);
#if GUI_SUPPORT_AA
	pContext->pLCD_HL = &_HL_APIList;
#endif
	pContext->pAFont = GUI_DEFAULT_FONT;
	pContext->pClipRect_HL = &GUI_Context.ClipRect;
	pContext->PenSize = 1;
	/* Variables in WM module */
#if GUI_WINSUPPORT
	pContext->hAWin = WM_GetDesktopWindow();
#endif
	/* Variables in GUI_AA module */
#if GUI_SUPPORT_AA
	pContext->AA_Factor = 3;
#endif
	pContext->Color = GUI_INVALID_COLOR;
	pContext->BkColor = GUI_INVALID_COLOR;
	LCD_SetBkColor(GUI_DEFAULT_BKCOLOR);
	LCD_SetColor(GUI_DEFAULT_COLOR);
	pContext->pUC_API = &GUI__API_TableNone;
}

/*********************************************************************
*
*   	Public code
*
**********************************************************************
*/
/*********************************************************************
*
*   	GUI_ClearRect
*/
void GUI_ClearRect(int x0, int y0, int x1, int y1)
{
	GUI_DRAWMODE PrevDraw;
#if GUI_WINSUPPORT
	GUI_RECT r;
#endif
	GUI_LOCK();
	PrevDraw = LCD_SetDrawMode(GUI_DRAWMODE_REV);
#if GUI_WINSUPPORT
	WM_ADDORG(x0, y0);
	WM_ADDORG(x1, y1);
	r.x0 = x0;
	r.x1 = x1;
	r.y0 = y0;
	r.y1 = y1;
	WM_ITERATE_START(&r)
	{
#endif
		LCD_FillRect(x0, y0, x1, y1);
#if GUI_WINSUPPORT
	} WM_ITERATE_END();
#endif
	LCD_SetDrawMode(PrevDraw);
	GUI_UNLOCK();
}

/*********************************************************************
*
*   	GUI_Clear
*/
void GUI_Clear(void)
{
	GUI_GotoXY(0, 0);     /* Reset text cursor to upper left */
	GUI_ClearRect(GUI_XMIN, GUI_YMIN, GUI_XMAX, GUI_YMAX);
}

/*********************************************************************
*
*   	GUI_Init
*
* Purpose:
*   Init of GUI internal data structures & variables
*/
int GUI_Init(void)
{
	int r;
	GUI_DEBUG_LOG("\nGUI_Init()");
	/* Init system wide globals first */
	GUI_DecChar = '.';
	GUI_X_Init();
	/* Init context */
	_InitContext(&GUI_Context);
	GUITASK_INIT();
	r = LCD_Init();
#if GUI_WINSUPPORT
	WM_Init();
#endif
	GUITASK_COPY_CONTEXT();
#if defined(GUI_TRIAL_VERSION)
	{
		int i;
		for (i = 0; i < 10; i++)
		{
			GUI_DispString("This uC-GUI library\n"
						 "is for evaluation\n"
						 "purpose only.\n"
						 "A license is\n"
						 "required to use\n"
						 "it in a product\n\n"
						 "www.micrium.com\n");
			GUI_GotoXY(0, 0);
		}
	}
	GUI_Clear();
#endif
	return r;
}

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