guicharline.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		: GUICharLine.C
Purpose 	: Implementation of character and string services
---------------------------END-OF-HEADER------------------------------
*/

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

/*********************************************************************
*
*   	Static code
*
**********************************************************************
*/
/*********************************************************************
*
*   	_DispLine
*/
static void _DispLine(const char GUI_UNI_PTR *s, int MaxNumChars, const GUI_RECT *pRect)
{
	/* Check if we have anything to do at all ... */
	if (GUI_Context.pClipRect_HL)
	{
		if (GUI_RectsIntersect(GUI_Context.pClipRect_HL, pRect) == 0)
		{
			return;
		}
	}
#if GUI_COMPILER_SUPPORTS_FP
	if (GUI_Context.pAFont->pafEncode)
	{
		GUI_Context.pAFont->pafEncode->pfDispLine(s, MaxNumChars);
	}
	else
	{
#else
		{
#endif
			U16 Char;
			while (--MaxNumChars >= 0)
			{
				Char = GUI_UC__GetCharCodeInc(&s);
				GUI_Context.pAFont->pfDispChar(Char);
				if (GUI_pfDispCharStyle)
				{
					GUI_pfDispCharStyle(Char);
				}
			}
		}
	}

	/*********************************************************************
	*
	*   	Public code
	*
	**********************************************************************
	*/
	/*********************************************************************
	*
	*   	GUI__GetLineNumChars
	*/
	int GUI__GetLineNumChars(const char GUI_UNI_PTR *s, int MaxNumChars) {
	int NumChars = 0;
	if (s)
	{
#if GUI_COMPILER_SUPPORTS_FP
		if (GUI_Context.pAFont->pafEncode)
		{
			return GUI_Context.pAFont->pafEncode->pfGetLineLen(s, MaxNumChars);
		}
#endif
		for (; NumChars < MaxNumChars; NumChars++)
		{
			U16 Data = GUI_UC__GetCharCodeInc(&s);
			if ((Data == 0) || (Data == '\n'))
			{
				break;
			}
		}
	}
	return NumChars;
}

/*********************************************************************
*
*   	GUI_GetLineDistX
*
*  This routine is used to calculate the length of a line in pixels.
*/
int GUI__GetLineDistX(const char GUI_UNI_PTR *s, int MaxNumChars)
{
	int Dist = 0;
	if (s)
	{
		U16 Char;
#if GUI_COMPILER_SUPPORTS_FP
		if (GUI_Context.pAFont->pafEncode)
		{
			return GUI_Context.pAFont->pafEncode->pfGetLineDistX(s, MaxNumChars);
		}
#endif
		while (--MaxNumChars >= 0)
		{
			Char = GUI_UC__GetCharCodeInc(&s);
			Dist += GUI_GetCharDistX(Char);
		}
	}
	return Dist;
}

/*********************************************************************
*
*   	GUI__DispLine
*/
void GUI__DispLine(const char GUI_UNI_PTR *s, int MaxNumChars, const GUI_RECT *pr)
{
	GUI_RECT r;
#if GUI_SUPPORT_ROTATION
	if (GUI_pLCD_APIList)
	{
#if GUI_WINSUPPORT
		WM_ITERATE_START(NULL)
		{
#endif
			/* Do the actual drawing via routine call. */
			_DispLine(s, MaxNumChars, &r);
#if GUI_WINSUPPORT
		} WM_ITERATE_END();
#endif
	}
	else
	  #endif
	{
		r = *pr;
#if GUI_WINSUPPORT
		WM_ADDORG(r.x0, r.y0);
		WM_ADDORG(r.x1, r.y1);
		WM_ITERATE_START(&r)
		{
#endif
			GUI_Context.DispPosX = r.x0;
			GUI_Context.DispPosY = r.y0;
			/* Do the actual drawing via routine call. */
			_DispLine(s, MaxNumChars, &r);
#if GUI_WINSUPPORT
		} WM_ITERATE_END();
		WM_SUBORG(GUI_Context.DispPosX, GUI_Context.DispPosY);
#endif
	}
}

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