gpcfont.c

一个操作系统源代码 用于嵌入式设备 在Vc++环境下仿真 成功移植到多款处理器上

						continue;
					case 0x0d:			//忽略此换行符
						str++;
						continue;
					case '\t':
						str++;
						x += pii.width;
						if( x > xDes+1 )
							quit = 1;
						continue;
					default:
						str++;
						continue;
				}
        }

//2001.10.25
        x += pii.width;
	
		if ( x <= xDes + 1 )
		{
			str++;
			sePutChar( pGC, &pii );
		}
		else
		{
			pii.x = xSrc;
			y += pii.height; 
			if ( y + pii.height > yDes + 1 )
				break;
			else
			{
				pii.y = y;
				str++;
				sePutChar( pGC, &pii );
			}
			x = xSrc + pii.width;
		}	  
    }
	
	if( pGC == gSysTcbTbl[ gLcdOwnerTskId-1 ].gc && pGC->group_operation == 0 )
		WRITELCD( xSrc, ySrc, xDes, yDes )	//WRITELCD( topx, endx, topy, endy )
//		seWrite2LCD( pGC->vram, 0);
	return GPC_ERR_OK;
}


STATUS SysTextOut(DWORD gc, DWORD rgb, WORD xSrc, WORD ySrc, PBYTE text, WORD style)
{
    GC *pGC;
	WORD i, x, y;
    DWORD ulFont2Start, font1size, font2size, length;
    PHYIMAGEINFO pii;
	PIXEL frtcolor;//, bkcolor;
	WORD	quit = 0;

	pGC = ( GC* )gc;

	if ( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		

	if ( text == NULL )
		return GPC_ERR_FAILED;

    // over the screen
    if ( xSrc >= pGC->width || ySrc >= pGC->height )
		return GPC_ERR_FAILED;
	
	if ( pGC->font->Font1 != 0 )
		font1size = pGC->font->Font1Height * ( ( pGC->font->Font1Width + 7 )>>3 );
	else
		font1size = 0;

	if( pGC->font->Font2 != 0 )
		font2size = pGC->font->Font2Height * ( ( pGC->font->Font2Width + 7 )>>3 );
	else
		font2size = 0;	

	if ( !font1size && !font2size )
		return GPC_ERR_FAILED;
	
	if ( ySrc + pGC->font->Font2Height > pGC->height )
		return GPC_ERR_FAILED;

//	if( style < GPC_MIN_STYLE || style > GPC_MAX_STYLE )
//		return GPC_ERR_FAILED;


    pii.method = style;
	pii.mode = GPC_TRANSPARENT_STYLE;

	seRGBtoIndex( (DWORD)(rgb), &frtcolor );
	//seRGBtoIndex( (DWORD)(gc->bk_color), &bkcolor );
    pii.ColorIndex = frtcolor;
    //pii.BkColorIndex = bkcolor;
	
	length = strlen( text );
    x = xSrc;
	y = ySrc;
	for ( i = 0; i < length && quit != 1 ; i++ )
    {
		pii.x = x;
        pii.y = y;
        // Check Font Byte ( 1:1Byte, 2:2Byte )
        switch ( gpcCheckFontByte( text+i ) )
        {
            case 1:
                // 2000.04.20 Add by Shin :: Check No Font
                if ( font1size == 0 )
                    continue;
                pii.buffer = pGC->font->Font1 + font1size * ( text[i] - ' ' );
                pii.width = pGC->font->Font1Width;
                pii.height = pGC->font->Font1Height;
                break;
            case 2:
                // 2000.04.20 Add by Shin :: Check No Font
                i++;
				if( text[i] & 0x80 == 0x00 )
				{
					quit = 1;
					continue;
				}
				if ( font2size == 0 )
                    continue;
                // Count Font2 patten Start Point
				if ( i >= length ) 
					continue;
				ulFont2Start = ( *( text + i - 1 )- 161 )*94 + ( *( text + i )- 161 );
                //if( ulFont2Start )
				//	continue;
				pii.buffer = pGC->font->Font2 + ulFont2Start * font2size; 
                pii.width = pGC->font->Font2Width;
                pii.height = pGC->font->Font2Height;
                break;
            default:
                continue;
        }

//2001.10.25
	
		if ( (pii.x + pii.width) <= pGC->width )
			sePutChar( pGC, &pii );
		else
		{
			if( x == xSrc )
				return GPC_ERR_FAILED;
			else
				break;
        }
        x += pii.width;
    }
	
	if( pGC == gSysTcbTbl[ gLcdOwnerTskId-1 ].gc && pGC->group_operation == 0 )
		WRITELCD( xSrc, ySrc, xSrc + (SHORT)(length) * pii.width - 1, ySrc + pii.height - 1 )	//WRITELCD( topx, endx, topy, endy )
//		seWrite2LCD( pGC->vram, 0);
	return GPC_ERR_OK;
}

STATUS SysTextOutEx(DWORD gc, DWORD rgb, WORD xSrc, WORD ySrc, PBYTE text, WORD length, WORD style, WORD exstyle, DWORD bkrgb)
{
    GC *pGC;
	WORD i, x, y;
    DWORD ulFont2Start, font1size, font2size;
    PHYIMAGEINFO pii;
	PIXEL frtcolor, bkcolor;
	WORD	quit = 0;

	pGC = ( GC* )gc;

	if ( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		

	if ( text == NULL )
		return GPC_ERR_FAILED;

    // over the screen
	if ( xSrc > (pGC->width - 1) || ySrc > (pGC->height - 1) )
		return GPC_ERR_FAILED;
	
	if ( pGC->font->Font1 != 0 )
		font1size = pGC->font->Font1Height * ( ( pGC->font->Font1Width + 7 ) / 8 );
	else
		font1size = 0;

	if ( pGC->font->Font2 != 0 )
		font2size = pGC->font->Font2Height * ( ( pGC->font->Font2Width + 7 ) / 8 );
	else
		font2size = 0;	

	if ( !font1size && !font2size )
		return GPC_ERR_FAILED;
	
	if ( ySrc + pGC->font->Font2Height > pGC->height )
		return GPC_ERR_FAILED;

//	if( style < GPC_MIN_STYLE || style > GPC_MAX_STYLE )
//		return GPC_ERR_FAILED;


    pii.method = style;
	pii.mode = exstyle;

	seRGBtoIndex( (DWORD)(rgb), &frtcolor );
	seRGBtoIndex( (DWORD)(bkrgb), &bkcolor );
    pii.ColorIndex = frtcolor;
    pii.BkColorIndex = bkcolor;
	
    x = xSrc;
	y = ySrc;
	for ( i = 0; i < length && text[i] != '\0'; i++ )
    {
		pii.x = x;
        pii.y = y;
        // Check Font Byte ( 1:1Byte, 2:2Byte )
        switch ( gpcCheckFontByte( text+i ) )
        {
            case 1:
                // 2000.04.20 Add by Shin :: Check No Font
                if( font1size == 0 )
                    continue;
                pii.buffer = pGC->font->Font1 + font1size * ( text[i] - ' ' );
                pii.width = pGC->font->Font1Width;
                pii.height = pGC->font->Font1Height;
                break;
            case 2:
                // 2000.04.20 Add by Shin :: Check No Font
                i++;
				if( text[i] & 0x80 == 0x00 )
				{
					quit = 1;
					continue;
				}
				if( font2size == 0 )
                    continue;
                // Count Font2 patten Start Point
				if( i >= length ) 
					continue;
				ulFont2Start = ( *( text + i - 1 )- 161 )*94 + ( *( text + i )- 161 );
                //if( ulFont2Start )
				//	continue;
				pii.buffer = pGC->font->Font2 + ulFont2Start * font2size; 
                pii.width = pGC->font->Font2Width;
                pii.height = pGC->font->Font2Height;
                break;
            default:
                continue;
        }

//2001.10.25
	
		if ( (pii.x + pii.width) <= pGC->width )
			sePutChar( pGC, &pii );
		else
		{
			if( x == xSrc )
				return GPC_ERR_FAILED;
			else
				break;
        }
        x += pii.width;
    }
	
	if( pGC == gSysTcbTbl[ gLcdOwnerTskId-1 ].gc && pGC->group_operation == 0 )
		WRITELCD( xSrc, ySrc, xSrc + (SHORT)(length) * pii.width - 1, ySrc + pii.height - 1 )//WRITELCD( topx, endx, topy, endy )
//		seWrite2LCD( pGC->vram, 0);
	return GPC_ERR_OK;
}

WORD SysAlignString( PBYTE string, WORD winXSrc, WORD winXWidth, BYTE align )
{
	WORD	len;
	WORD	xSrc = winXSrc;
	
	if( string == NULL )
		return xSrc;

	len = (WORD)strlen( string ) * ENGLISH_CHAR_WIDTH;

	if( len < winXWidth )
	{
		switch( align )
		{
			case GPC_ALIGN_CENTER:
				xSrc += ( ( winXWidth - len ) >> 1 );
				break;
			case GPC_ALIGN_LEFT:
				break;
			case GPC_ALIGN_RIGHT:
				xSrc += ( winXWidth - len );
				break;
		}
	}

	return xSrc;
}