gui_gettextextend.c

来自「uCGUI」· C语言 代码 · 共 38 行

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : GUI_GetTextExtend.c
Purpose     : Implementation of GUI_GetTextExtend
************************************************************************************************************/
#include <stddef.h>           /* needed for definition of NULL */
#include <stdio.h>
#include <string.h>
#include "GUI_Private.H"

/*************************************************************************************************************
       GUI_GetTextExtend
*************************************************************************************************************/
void GUI_GetTextExtend(GUI_RECT* pRect, const char* s, int Len) 
{
  int xMax =0;
  int NumLines =0;
  int LineLen;
  pRect->x0 = GUI_Context.DispPosX;
  pRect->y0 = GUI_Context.DispPosY;
  while (((LineLen = GUI__GetLineLen(s, Len)) !=0) && (Len>0)) 
  {
    int xSize = GUI_GetLineDistX(s, LineLen);
    if (xSize > xMax)
      xMax= xSize;
    s += LineLen;
    while (*s == '\n')
      s++;
    Len -= LineLen;
    NumLines++;
  }
  pRect->x1 = pRect->x0 + xMax-1;
  pRect->y1 = pRect->y0 + GUI__GetFontSizeY()*NumLines-1;
}