/***********************************************************************************************************                                                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        : GUIUC1.CPurpose     : Implementation of character and string services----------------------------------------------------------------------Version-Date---Author-Explanation---------------------------END-OF-HEADER------------------------------*/#include <stddef.h>           /* needed for definition of NULL */#include "GUI_Private.H"#if GUI_SUPPORT_UNICODE/***************************************************************            static functions**************************************************************/static int GetLineDistX(const U16 GUI_FAR *s, int Len) {  int Dist =0;  if (s) {    U16 c0;    while (((c0=*s) !=0) && Len >=0) {      s++; Len--;      Dist += GUI_GetCharDistX(c0);    }  }  return Dist;}static int GetLineLen(const U16 GUI_FAR *s, int MaxLen) {  int Len =0;  if (!s)    return 0;  {    while ((*s !=0) && Len < MaxLen) {      Len++; s++;    }  }  return Len;}static void DispLine_UC(const U16 GUI_FAR *s, int Len, const GUI_RECT *pRect) {  if (GUI_Context.pClipRect_HL) {    if (GUI_RectsIntersect(GUI_Context.pClipRect_HL, pRect) == 0)      return;  }  {    U16 c0;    while (--Len >=0) {      c0=*s++;      GL_DispChar (c0);    }  }}static void DispLine(const U16 GUI_FAR *s, int Len, const GUI_RECT* pr) {  GUI_RECT r;  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;     DispLine_UC(s, Len, &r);    /* Do the actual drawing via routine call. */  #if GUI_WINSUPPORT  } WM_ITERATE_END();  WM_SUBORG(GUI_Context.DispPosX, GUI_Context.DispPosY);  #endif}/***************************************************************            UNICODE routines**************************************************************/void GUI_DispString_UC(const U16 GUI_FAR *s) {  int xAdjust, yAdjust, xOrg;  int FontSizeY;  if (!s)    return;  GUI_LOCK();  FontSizeY = GUI_Context.pAFont->YSize;  xOrg = GUI_Context.DispPosX; /* Adjust vertical position */  yAdjust = GUI_GetYAdjust();  GUI_Context.DispPosY -= yAdjust;  for (; *s; s++) {    GUI_RECT r;    int LineLen= GetLineLen(s,0x7fff);    int xLineSize = GetLineDistX(s, LineLen);  /* Check if x-position needs to be changed due to h-alignment */    switch (GUI_Context.TextAlign & GUI_TA_HORIZONTAL) {     case GUI_TA_CENTER: xAdjust= xLineSize/2; break;    case GUI_TA_RIGHT:  xAdjust= xLineSize; break;    default:            xAdjust= 0;    }    r.x0 = GUI_Context.DispPosX -= xAdjust;    r.x1 = r.x0 + xLineSize-1;        r.y0 = GUI_Context.DispPosY;    r.y1 = r.y0 + FontSizeY-1;        DispLine(s, LineLen, &r);    GUI_Context.DispPosY = r.y0;    s += LineLen;    if (*s=='\n') {      switch (GUI_Context.TextAlign & GUI_TA_HORIZONTAL) {       case GUI_TA_CENTER:      case GUI_TA_RIGHT:        GUI_Context.DispPosX = xOrg;        break;      default:        GUI_Context.DispPosX = GUI_Context.LBorder;        break;      }      GUI_Context.DispPosY += GUI_GetFontDistY();    } else {      GUI_Context.DispPosX = r.x0+xLineSize;    }    if (*s==0)    /* end of string (last line) reached ? */      break;  }  GUI_Context.DispPosY += yAdjust;  GUI_Context.TextAlign &= ~GUI_TA_HORIZONTAL;  GUI_UNLOCK();}#elsevoid GUIUC1_C(void) {} /* avoid empty object files */#endif /* GUI_SUPPORT_UNICODE */