www.pudn.com > ucosv2(GUI).rar > GUICharP.c

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              µC/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        : GUICharP.C 
Purpose     : Implementation of Proportional fonts 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
 
#include            /* needed for definition of NULL */ 
 
#include "GUI_Private.H" 
  
/* 
      *********************************************************** 
      *                                                         * 
      *       Proprotional fonts                                * 
      *                                                         * 
      *********************************************************** 
*/ 
 
static const GUI_FONT_PROP* GUIPROP_FindChar(const GUI_FONT_PROP* pProp, U16P c) { 
  for (; pProp; pProp=(GUI_FONT_PROP*) pProp->pNext) { 
    if ((c>=pProp->First) && (c<=pProp->Last)) 
      break; 
  } 
  return pProp; 
} 
 
void GUIPROP_DispChar(U16P c) { 
  int BytesPerLine; 
  GUI_DRAWMODE DrawMode = GUI_Context.TextMode; 
  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c); 
  if (pProp) { 
    GUI_DRAWMODE OldDrawMode; 
    const GUI_CHARINFO* pCharInfo = pProp->paCharInfo+(c-pProp->First); 
    BytesPerLine = pCharInfo->BytesPerLine; 
    OldDrawMode  = LCD_SetDrawMode(DrawMode); 
    LCD_DrawBitmap( GUI_Context.DispPosX, GUI_Context.DispPosY, 
                       pCharInfo->XSize, 
											 GUI_Context.pAFont->YSize, 
                       GUI_Context.pAFont->XMag, 
											 GUI_Context.pAFont->YMag, 
                       1,     /* Bits per Pixel */ 
                       BytesPerLine, 
                       (U8 const *)pCharInfo->pData, 
                       NULL  /* no palette means default palette */ 
                       ); 
    /* Fill empty pixel lines */ 
    if (GUI_Context.pAFont->YDist > GUI_Context.pAFont->YSize) { 
      int YMag = GUI_Context.pAFont->YMag; 
      int YDist = GUI_Context.pAFont->YDist * YMag; 
      int YSize = GUI_Context.pAFont->YSize * YMag; 
      if (DrawMode != LCD_DRAWMODE_TRANS) { 
        LCD_COLOR OldColor = GUI_GetColor(); 
        GUI_SetColor(GUI_GetBkColor()); 
        LCD_FillRect(GUI_Context.DispPosX,  
                     GUI_Context.DispPosY + YSize,  
                     GUI_Context.DispPosX + pCharInfo->XSize,  
                     GUI_Context.DispPosY + YDist); 
        GUI_SetColor(OldColor); 
      } 
    } 
    LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */ 
    GUI_Context.DispPosX += pCharInfo->XDist; 
  } 
} 
 
int GUIPROP_GetCharDistX(U16P c) { 
  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c); 
  return (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize : 0; 
} 
 
void GUIPROP_GetFontInfo(void*pFont, GUI_FONTINFO* pfi) { 
  GUI_USE_PARA(pFont); 
  pfi->Flags = GUI_FONTINFO_FLAG_PROP; 
} 
 
char GUIPROP_IsInFont(void*pFont, U16 c) { 
  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(((GUI_FONT*)pFont)->p.pProp, c); 
  return (pProp==NULL) ? 0 : 1; 
}