osdshowfont.c

Sunplus 8202S source code.

#include "global.h"
#include "func.h"
#include "user_init.h"

#if defined( OSD_FONT_API ) && defined( SUPPORT_FONT_UTIL )

#include "LanguageUtil.h"

#include "font_lowercase.c" //display lower letter ,suqiaoli add 2004-4-28
extern void osd_draw_gbfont(BYTE vid, BYTE pFont[], int xStart, int yStart, unsigned int  fwidth, unsigned int  fhight, BYTE fontcolor,BYTE number);
extern const unsigned char LOWERCASE_FONT_BITMAP[];
#define	 lowercase_table	LOWERCASE_FONT_BITMAP

#define FONT_LEN_EXTERNAL_TWO_BYTE  14
#define FONT_LEN_INTERNAL_OSD       9

#if defined(EUROPE_FOREIGN_LANGUAGES) || defined(MIDDLE_EUROPE_LANGUAGES) || defined (SUPPORT_TURKISH_LANGUAGES) || defined ( USE_CYRILLIC_FONT )
    #define FONT_LEN_EXTERNAL_ONE_BYTE  6
#else
    #define FONT_LEN_EXTERNAL_ONE_BYTE  FONT_LEN_INTERNAL_OSD
#endif

extern void EnlargeFontSizeToDouble( UINT8 *pDest, const UINT8 *pSrc, BYTE uiWidth, BYTE uiHeight );
extern void ResampleWidthFrom12PixelTo16Pixel( UINT8* pDest, const UINT8* pSrc, UINT32 uiHeight );

UINT32 OSD_ShowChar(int x, int y, BYTE c, BYTE fontcolor,BYTE r) 
{
	BYTE    *pFont;
    BYTE width,height;
	
    UINT8 font1[48];
    int  	index;
    int i;
    
    if ((c >= 'a') && (c <= 'z'))//litter case 
    { 
        width   = 16;
        height  = 24;
        index   = 48 * (c - 97);
        
        //draw a character
    	for (i = 0; i < 24; i++)
    	{
    		UINT8 cc1,cc2;
    		
    		cc1 = lowercase_table[index+i*2];
    		cc2 = lowercase_table[index+i*2+1];
    		
    		font1[i*2]=cc1;
    		font1[i*2+1]=cc2;
    
    	}
    	osd_draw_gbfont( 0, (UINT8 *)font1, x, y, width, height, fontcolor, r );	
    }
    
    else
    {
    	pFont = get_font_entry(0,c);
        width = pFont[0];
        height = pFont[1];
        osd_draw_gbfont( 1, (UINT8 *)pFont, x, y, width, height, fontcolor, r );
    }

    return FONT_LEN_INTERNAL_OSD;
}

UINT32 OSD_FontShowChar(int x, int y, const BYTE* pBmp, BYTE fontcolor,BYTE r )
{   // 2004/09/23 yltseng
    UINT8   aFont1[ 24 ];
    UINT8   aFont2[ 96 ];    // 24 * 2 * 2
    ENUM_FONT_TYPE enType = GetFontType();

    if( enType == FONT_BIG5   || enType == FONT_BIG5_COMMON || 
        enType == FONT_GB2312 || enType == FONT_JIS || 
        enType == FONT_KSC    || enType == FONT_RUSSIAN )
    {
        ResampleWidthFrom12PixelTo16Pixel( aFont1, pBmp, 12 );
        EnlargeFontSizeToDouble( (UINT8 *)aFont2, (UINT8 *)aFont1, 16, 12 );
        osd_draw_gbfont( 0, (UINT8 *)aFont2, x, y, 32, 24, fontcolor, r );
        
        return FONT_LEN_EXTERNAL_TWO_BYTE;
    }
    else if( enType == FONT_ISO_8859_1 || enType == FONT_ISO_8859_2 || enType == FONT_ISO_8859_5|| enType == FONT_ISO_8859_9 )
    {
        ResampleWidthFrom12PixelTo16Pixel( aFont2, pBmp, 24 );
        osd_draw_gbfont( 0, (UINT8 *)aFont2, x, y, 16, 24, fontcolor, r );
        
        return FONT_LEN_EXTERNAL_ONE_BYTE;
    }

    return 0;
    //wanghaoying add from 'else' sequence 2005-1-5 15:33
    //for this function did nothing while enType = FONT_NONE
    //such satuation will happen if undef SUPPORT_FONT_UTIL
    //NOTICE: I don't know wheather should return 0
}

void OSD_ShowString( int x, int y, const char *s, BYTE fontcolor, BYTE r )
{
    const BYTE* p   = s;

	while( *p )
	{
        const UINT8* pBmp   = NULL;
        UINT32 uiRtnVal     = GetCharacterBmp( p, &pBmp );
        
        if( uiRtnVal != FONT_NOT_IN_RANGE )
        {
            x += OSD_FontShowChar( x, y, pBmp, fontcolor, r );  // 2004/09/23 yltseng

            if( uiRtnVal == FONT_ONE_BYTE )
                p++;
            else 
                p += 2;
        }
        else
        {
		    BYTE    c   = *p;
            if ( (c < 32) || (c > 126) )
                c = '_';

            x += OSD_ShowChar( x, y, c, fontcolor, r);
            p++;
        }

		if( x > region[r].osd_w ) 
			break;
	}
}

    #ifdef SUPPORT_OSDSRT
/*
 *Function:display text to osd,display max line:7,display max chinese font in a line:19
 *Parameter:*p:input string
 *           Size:length of string
 *Return:none      
 *Creator:suqiaoli
 *Date:2004-3-17
 *Date:2004/09/06 yltseng modify
*/
void ShowOSDText(const char *p,  UINT16 size)
{
    // 2004/09/03 yltseng
    #define MAX_WORD    50
#ifdef SDRAM_16Mb_Mode
    #define MAX_LINE    2
#else
	#define MAX_LINE	7
#endif
	
	BYTE*pStr = (BYTE *)p;
	BYTE c,c1;
	
	BYTE *old_pStr;
	int old_i_len;
	
	int  show_line = -1;
	int  show_word = 0;
	UINT16  nsize=0;
	int  i_len;
	int len[MAX_LINE];
	int i;
	int count;

	//All char will be put into this str array
	//if string long,it will newline
	BYTE str[MAX_LINE][MAX_WORD];

	osd_tog_region( 3, OSD_ON );
	
	//Read and parse each char,display them on osd
	//include function:display more lines,newline,
	//when string length>276,it will newline
	while(nsize<size)
	{
		show_word = 0;
		i_len = 0;
		count = 0;
		show_line++;
        if( show_line > MAX_LINE - 1 )//most displayed line is 7 line
        {
            show_line = MAX_LINE - 1;
            break;
        }
        
		//read string to string buffer,except "return","next line"
		
		while(((*pStr) != '\r')/*&& ((*pStr)!='\n')*/ ) 
		{	
			c = *pStr;
			c1 = *(pStr + 1);
    
            UINT32 uiRtnVal = IsInCharacterSet( pStr );
           if(c=='\n')//wangap add 2005/1/25 
            {          //if '\n' not jump next line just continue
              pStr++;
			  nsize++;
			  continue;
			}
            if( uiRtnVal == FONT_NOT_IN_RANGE )
            {
                if ((c >= 32) && (c <= 126))
                    uiRtnVal = FONT_ONE_BYTE;
            }

            if( uiRtnVal == FONT_TWO_BYTE )
			{
				str[show_line][show_word]=c;
				str[show_line][show_word+1]=c1;
				show_word+= 2;
				i_len+= FONT_LEN_EXTERNAL_TWO_BYTE;
				nsize+= 2;
				pStr += 2;
				if((((i_len-count*9)%2==0)&&(i_len>275))||(((i_len-count*9)%2==0)&&(i_len>276)))
					break;
			}
			else if( uiRtnVal == FONT_ONE_BYTE )
            {
				old_pStr = pStr;
			    old_i_len = i_len;
				str[show_line][show_word]=c;
				show_word += 1;
				i_len += FONT_LEN_EXTERNAL_ONE_BYTE;//len
				nsize += 1;
				pStr += 1;
				
				if(c == 32) //not to cut off a long word,according to space's position
				{
    			    do
    			    {
    			        old_pStr ++;
    			        old_i_len += FONT_LEN_EXTERNAL_ONE_BYTE;//len
    			        if((*old_pStr == 32)|| (*old_pStr == '\r')||(old_i_len > 276))
    			            break;
    		    
    			    }while(1);
			    
    			    if (old_i_len > 276)
    			        break;
				}
				else
				{
				    count++;
				    if (i_len>276)
					    break;	
			    }
            }
            else
            {
				c = '?';
				str[show_line][show_word]=c;
				show_word+= 1;
				nsize+= 1;
				i_len+= FONT_LEN_INTERNAL_OSD;
				pStr += 1;
				count++;
				if (i_len>276)
					break;
            }
       
		}//while(((*pStr) != '\r')&& ((*pStr)!='\n') )
		       
		if(((*pStr) == '\r')/*||((*pStr) == '\n')*/)//count nsize,'\r':when "return",'\n':next line is blank
		{                  //'\n' just count nsize not jump next line wangap add 2005/1/25
			pStr++;
			nsize++;
		}

		len[show_line]=i_len;
		
		str[show_line][show_word]='\0';
		
		if( show_word <= 0 )//if blank line,string line will skip
			show_line--;
        
    } //while(nsize<size)

	int    width    = (int) region[3].osd_w;
	int    height   = (int) region[3].osd_h/MAX_LINE;

    for( i = show_line; i >= 0; i-- )//display each line srt title
    {
        int xstart = ( width - len[i] ) / 2;
        int ystart = height * ( MAX_LINE - ( show_line - i ) - 1 );
        OSD_ShowString( xstart, ystart, str[i], 2, 3 );
    }
}

    #endif //#ifdefSUPPORT_OSDSRT
#endif //#if defined( OSD_FONT_API ) && defined( SUPPORT_FONT_UTIL )