gui_gettextextend.c

ucgui的3.98版本的源代码

/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        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        : GUI_GetTextExtend.c
Purpose     : Implementation of GUI_GetTextExtend
---------------------------END-OF-HEADER------------------------------
*/

#include "GUI_Protected.h"

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       GUI_GetTextExtend
*/
void GUI_GetTextExtend(GUI_RECT* pRect, const char GUI_UNI_PTR * s, int MaxNumChars) {
  int xMax, NumLines, LineSizeX;
  U16 Char;
  xMax = NumLines = LineSizeX = 0;
  pRect->x0 = GUI_Context.DispPosX;
  pRect->y0 = GUI_Context.DispPosY;
  if (!s) {
    return;
  }
  if (*s) {
    NumLines++;
    while (MaxNumChars--) {
      Char = GUI_UC__GetCharCodeInc(&s);
      if ((Char == '\n') || (Char == 0)) {
        if (LineSizeX > xMax) {
          xMax = LineSizeX;
        }
        LineSizeX = 0;
        if (Char == '\n') {
          NumLines++;
        }
        if (!Char) {
          break;
        }
      } else {
        LineSizeX += GUI_GetCharDistX(Char);
      }
    }
  }
  if (LineSizeX > xMax) {
    xMax = LineSizeX;
  }
  pRect->x1 = pRect->x0 + xMax - 1;
  pRect->y1 = pRect->y0 + GUI__GetFontSizeY() * NumLines - 1;
}

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