gpcfont.c

基于东南大学开发的SEP3203的ARM7中的所有驱动

///////////////////////////////////////////////////////////////////////////////////
//
//        Copyright (C) 2001 SHANGHAI EPSON Corp.
//        All Rights Reserved
//
//        File name :gpc.h
//        Function  :
//            This is a GPC33 header file
//        Revision history
//            Ver 0.10 2001/01/11  Stella Yuan          Start
//            Ver 1.90 2001/06/01  CYu                  customize to plus version
//
///////////////////////////////////////////////////////////////////////////////////
#include <string.h>
#include "gpc.h"

// 1999.12.02 By Shin :: Add Font2 Table Entry
static U32 gTableEntry[100];

extern gpcGCValues gpcGC;


#ifndef _GB2312_
//-------------------------------------------------------------------------
//    gpcMakeFont2TableEntry()
//
//  Make Font to Table Entry.
//
//  Parameters:
//      TableEntry    - Points to  Table Entry .
//      TableSize    - Points to  Table Size .
//    Returns:
//      GPC_ERR_OK
//-------------------------------------------------------------------------
static U16 gpcMakeFont2TableEntry( U8 *TableEntry, S16 TableSize)
{
    S16 i;
    U32 ulTotal = 0;

    // 1999.12.03 By Shin :: Add Font2 Table Entry
    gTableEntry[0] = 0;
    for(i=0; i<TableSize-1; i++)
    {
        ulTotal +=  (U32)*(TableEntry+(i*4)+2) - (U32)*(TableEntry+(i*4)) + 1;
        gTableEntry[i+1] = ulTotal ;
    }

    return GPC_ERR_OK;
}

//-------------------------------------------------------------------------
//    gpcFont2StartPoint()
//
//  Make Font to Table Entry.
//
//  Parameters:
//      text         - Point to text .
//    Returns:
//      ucStartPoint - Start Point From Font File
//-------------------------------------------------------------------------
U32 gpcFont2StartPoint( U8 *text )
{
    S16 i;
    U8 *pEntry;
    U32 ucStartPoint;

    // 1999.12.03 By Shin :: Add Font2 Start Point Count
    pEntry = gpcGC.GCTableEntry;

    for(i=0; i<gpcGC.GCTableSize; i++)
    {
        if(*text == *(pEntry+(i*4) + 1))
        {
            if((*(text+1) >= *(pEntry+(i*4) )) && (*(text+1) <= *(pEntry+(i*4) + 2)))
            {
               ucStartPoint = gTableEntry[i] + (U32)*(text+1) - (U32)*(pEntry+(i*4));
               return ucStartPoint;
            }
        }
    }

    return GPC_ERR_OK;
}

//-------------------------------------------------------------------------
//    gpcSetFont()
//
//  Set Font .
//
//  Parameters:
//      font1    - Points to  1byte font .
//      font2    - Points to  2byte font .
//    Returns:
//      GPC_ERR_OK
//-------------------------------------------------------------------------
U16 gpcSetFont(U8* font1, U8* font2)
{
    // 2000.04.20 Add by Shin :: Initialize Fonts
    gpcGC.GCFont1 = (U8*)0;   // Set Null to point for Font1
    gpcGC.GCFont2 = (U8*)0;   // Set Null to point for Font2
    
    if(font1)
    {
        // 2000.02.28 Update By Shin : Check FONT2X Font 
        if(strncmp(font1, "FONTX2", 6) != 0)
            return GPC_ERR_FONT;
        gpcGC.GCFont1 = font1 + 17;         // 17 means header size
        gpcGC.GCFont1Width  = *(font1 + 14);   // 14 means offset of width
        gpcGC.GCFont1Height = *(font1 + 15);   // 15 means offset of height
    }

    // 1999.12.03 By Shin :: Add 2Byte Font GPCFONT11K(ZENNKAKU)
    if(font2)
    {
        // 2000.02.28 Update By Shin : Check FONT2X Font 
        if(strncmp(font2, "FONTX2", 6) != 0)
            return GPC_ERR_FONT;
        gpcGC.GCTableSize  = *(font2 + 17);   // 17 means Entry size
        gpcGC.GCTableEntry = font2 + 18;      // 18 means offset of Table Entry
        gpcGC.GCFont2 = font2 + gpcGC.GCTableSize*4 + 18 ;  // Font patten Start Point
        gpcGC.GCFont2Width  = *(font2 + 14);   // 14 means offset of width
        gpcGC.GCFont2Height = *(font2 + 15);   // 15 means offset of height
        
        // Process 2Byte Font Table Entry
        gpcMakeFont2TableEntry(gpcGC.GCTableEntry, gpcGC.GCTableSize);
    }
    return GPC_ERR_OK;
}

#else

//-------------------------------------------------------------------------
//    gpcCheckFontByte(U8* text)
//
//  Make Font to Table Entry.
//
//  Parameters:
//      text		 - Points to  checked character .
//    Returns:
//      0:Error	1:	1byte	2:2byte
//-------------------------------------------------------------------------
U16	gpcCheckFontByte(U8* text)
{
	if(*text >= 0x20 && *text <=0x7e) 
		return 1;
	else if(*text>=0xa0 && *text<=0xfe)
		return 2;
	else
		return 0;
}

//-------------------------------------------------------------------------
//    gpcMakeFont2TableEntry()
//
//  Make Font to Table Entry.
//
//  Parameters:
//      TableEntry    - Points to  Table Entry .
//      TableSize    - Points to  Table Size .
//    Returns:
//      GPC_ERR_OK
//-------------------------------------------------------------------------
static U16 gpcMakeFont2TableEntry(U8* TableEntry, S16 TableSize)
{
    S16 i;
    U32 ulTotal=0;

    // 1999.12.03 By Shin :: Add Font2 Table Entry
    gTableEntry[0] = 0;
    for(i=0; i<TableSize-1; i++)
    {
        ulTotal +=  (U32)*(TableEntry+(i*4)+2) - (U32)*(TableEntry+(i*4)) + 1;
        gTableEntry[i+1] = ulTotal ;
    }

    return GPC_ERR_OK;
}

//-------------------------------------------------------------------------
//    gpcFont2StartPoint()
//
//  Make Font to Table Entry.
//
//  Parameters:
//      text         - Point to text .
//    Returns:
//      ucStartPoint - Start Point From Font File
//-------------------------------------------------------------------------
U32 gpcFont2StartPoint(U8* text){
 //   int    i;
 //   U8* pEntry;
    U32 ucStartPoint;

    // 1999.12.03 By Shin :: Add Font2 Start Point Count
   /* pEntry = gpcGC.GCTableEntry;

    for(i=0; i<gpcGC.GCTableSize; i++){
        if(*text == *(pEntry+(i*4) + 1)) {
            if((*(text+1) >= *(pEntry+(i*4) )) && (*(text+1) <= *(pEntry+(i*4) + 2))) {
               ucStartPoint = gTableEntry[i] + (U32)*(text+1) - (U32)*(pEntry+(i*4));
               return ucStartPoint;
            }
        }
    }
*/
	ucStartPoint = (*text-160-1)*94 +(*(text+1)-160-1);
	return ucStartPoint;
//
//    return GPC_ERR_OK;
}

//-------------------------------------------------------------------------
//    gpcSetFont()
//
//  Set Font .
//
//  Parameters:
//      font1    - Points to  1byte font .
//      font2    - Points to  2byte font .
//    Returns:
//      GPC_ERR_OK
//-------------------------------------------------------------------------
U16 gpcSetFont(U8* font1, U8* font2){

    // 2000.04.20 Add by Shin :: Initialize Fonts
    gpcGC.GCFont1 = (U8*)0;   // Set Null to point for Font1
    gpcGC.GCFont2 = (U8*)0;   // Set Null to point for Font2
    
    if(font1)
    {
        // 2000.02.28 Update By Shin : Check FONT2X Font 
        if(strncmp(font1, "FONTX2", 6) != 0)
            return GPC_ERR_FONT;
        gpcGC.GCFont1 = font1 + 17;         // 17 means header size
        gpcGC.GCFont1Width  = *(font1 + 14);   // 14 means offset of width
        gpcGC.GCFont1Height = *(font1 + 15);   // 15 means offset of height
    }

    // 1999.12.03 By Shin :: Add 2Byte Font GPCFONT11K(ZENNKAKU)
    if(font2)
    {
        // 2000.02.28 Update By Shin : Check FONT2X Font 
        if(strncmp(font2, "FONTX2", 6) != 0)
            return GPC_ERR_FONT;
        gpcGC.GCTableSize  = 0x0;//*(font2 + 17);   // 17 means Entry size
        gpcGC.GCTableEntry = 0x0;//font2 + 18;      // 18 means offset of Table Entry
        gpcGC.GCFont2 = font2+17;//font2 + gpcGC.GCTableSize*4 + 18 ;  // Font patten Start Point
        gpcGC.GCFont2Width  = *(font2 + 14);   // 14 means offset of width
        gpcGC.GCFont2Height = *(font2 + 15);   // 15 means offset of height
        
        // Process 2Byte Font Table Entry
        //gpcMakeFont2TableEntry(gpcGC.GCTableEntry, gpcGC.GCTableSize);

    }
    return GPC_ERR_OK;
}

#endif
//-------------------------------------------------------------------------
//    gpcGetFont()
//
//  Get Font .
//
//  Parameters:
//      font1    - Points to  1byte font .
//      font2    - Points to  2byte font .
//    Returns:
//      GPC_ERR_OK
//-------------------------------------------------------------------------
U16 gpcGetFont( U8* font1, U8* font2)
{
    if(*font1)
        font1 = gpcGC.GCFont1;

    if(*font2)
        font2 = gpcGC.GCFont2;

    return GPC_ERR_OK;
}