www.pudn.com > UCGUI390a.rar > GUIAAChar.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        : GUICharAA.C 
Purpose     : Display antialiased 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "GUI_Private.h" 
  
#if GUI_SUPPORT_AA 
 
#include  
#include  
 
/********************************************************************* 
* 
*       Types 
* 
********************************************************************** 
*/ 
 
typedef void tSetPixelAA(int x, int y, U8 Intens); 
 
/********************************************************************* 
* 
*       Static data 
* 
********************************************************************** 
*/ 
 
static const U8 Bit2Mask0[] = {1<<7, 1<<5, 1<<3, 1<<1}; 
static const U8 Bit2Mask1[] = {1<<6, 1<<4, 1<<2, 1<<0}; 
 
/********************************************************************* 
* 
*       Static code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       Draw 
*/ 
static void Draw(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) { 
    int x, y; 
    tSetPixelAA* pfSetPixelAA; 
    pfSetPixelAA = (GUI_Context.TextMode & GUI_TM_TRANS) 
                 ? LCD_SetPixelAA : LCD_SetPixelAA_NoTrans; 
	  for (y=0; yp.pProp; pProp; pProp=(const GUI_FONT_PROP*) pProp->pNext) { 
    if ((c>=pProp->First) && (c<=pProp->Last)) 
      break; 
  } 
  return pProp; 
} 
 
/********************************************************************* 
* 
*       Public code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       GUIPROPAA_DispChar 
*/ 
void GUIPROPAA_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); 
    Draw  ( GUI_Context.DispPosX, GUI_Context.DispPosY, 
                       (pCharInfo->XSize+1)/2, 
                       GUI_Context.pAFont->YSize, 
                       BytesPerLine, 
                       (U8 const*) pCharInfo->pData 
                       ); 
    LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */ 
    GUI_Context.DispPosX += (pCharInfo->XDist+1)/2; 
  } 
} 
 
/********************************************************************* 
* 
*       GUIPROPAA_GetCharDistX 
*/ 
int GUIPROPAA_GetCharDistX(U16P c) { 
  int r; 
  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c); 
  r = (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize : 0; 
  return (r+1)/2; 
} 
 
/********************************************************************* 
* 
*       GUIPROPAA_GetFontInfo 
*/ 
void GUIPROPAA_GetFontInfo(const GUI_FONT * pFont, GUI_FONTINFO* pfi) { 
  GUI_USE_PARA(pFont); 
  pfi->Flags = GUI_FONTINFO_FLAG_PROP | GUI_FONTINFO_FLAG_AA; 
} 
 
/********************************************************************* 
* 
*       GUIPROPAA_IsInFont 
*/ 
char GUIPROPAA_IsInFont(const GUI_FONT * pFont, U16 c) { 
  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(pFont->p.pProp, c); 
  return (pProp==NULL) ? 0 : 1; 
} 
 
#else                            /* Avoid problems with empty object modules */ 
  void GUIAAChar_C(void); 
  void GUIAAChar_C(void) {} 
#endif /* GUI_SUPPORT_AA */ 
 
/*************************** End of file ****************************/