www.pudn.com > UCGUI390a.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" 
  
/********************************************************************* 
* 
*       Static code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       GUIPROP_FindChar 
*/ 
static const GUI_FONT_PROP GUI_UNI_PTR * GUIPROP_FindChar(const GUI_FONT_PROP GUI_UNI_PTR* pProp, U16P c) { 
  for (; pProp; pProp = pProp->pNext) { 
    if ((c>=pProp->First) && (c<=pProp->Last)) 
      break; 
  } 
  return pProp; 
} 
 
/********************************************************************* 
* 
*       Public code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       GUIPROP_DispChar 
* 
* Purpose: 
*   This is the routine that displays a character. It is used by all 
*   other routines which display characters as a subroutine. 
*/ 
void GUIPROP_DispChar(U16P c) { 
  int BytesPerLine; 
  GUI_DRAWMODE DrawMode = GUI_Context.TextMode; 
  const GUI_FONT_PROP GUI_UNI_PTR * pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c); 
  if (pProp) { 
    GUI_DRAWMODE OldDrawMode; 
    const GUI_CHARINFO GUI_UNI_PTR * 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, 
                       pCharInfo->pData, 
                       &LCD_BKCOLORINDEX 
                       ); 
    /* 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 * GUI_Context.pAFont->XMag; 
  } 
} 
 
/********************************************************************* 
* 
*       GUIPROP_GetCharDistX 
*/ 
int GUIPROP_GetCharDistX(U16P c) { 
  const GUI_FONT_PROP GUI_UNI_PTR * pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c); 
  return (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize * GUI_Context.pAFont->XMag : 0; 
} 
 
/********************************************************************* 
* 
*       GUIPROP_GetFontInfo 
*/ 
void GUIPROP_GetFontInfo(const GUI_FONT GUI_UNI_PTR * pFont, GUI_FONTINFO* pfi) { 
  GUI_USE_PARA(pFont); 
  pfi->Flags = GUI_FONTINFO_FLAG_PROP; 
} 
 
/********************************************************************* 
* 
*       GUIPROP_IsInFont 
*/ 
char GUIPROP_IsInFont(const GUI_FONT GUI_UNI_PTR * pFont, U16 c) { 
  const GUI_FONT_PROP GUI_UNI_PTR * pProp = GUIPROP_FindChar(pFont->p.pProp, c); 
  return (pProp==NULL) ? 0 : 1; 
} 
 
/*************************** End of file ****************************/