UINT32 thai_get_cell_size(UINT8 *pText)
{
UINT16 lead_wc, follow_wc;
UINT8 *pStr;
UINT32 count = 0;
do
{
pStr = pText + count;
lead_wc = ComMB16ToWord(pStr);
follow_wc = ComMB16ToWord(pStr+2);
count += 2;
}while(thai_get_rule(lead_wc,follow_wc)==CP);
return count;
}
UINT32 thai_get_cell(UINT8 *pText, struct thai_cell *cell)
{
UINT16 wc;
UINT8 *pStr;
UINT32 count = 0;
if(pText==NULL || cell==NULL)
return 0;
MEMSET(cell, 0, sizeof(struct thai_cell));
pStr = pText + count;
if((wc = ComMB16ToWord(pStr))==0)
return 0;
cell->unicode[cell->char_num++]= wc;
count += 2;
if((wc = ComMB16ToWord(pStr+count))==0)
return count;
if(thai_get_rule(cell->unicode[cell->char_num-1],wc)==CP)
{
cell->unicode[cell->char_num++]= wc;
count += 2;
if((wc = ComMB16ToWord(pStr+count))==0)
return count;
if(thai_get_rule(cell->unicode[cell->char_num-1],wc)==CP)
{
cell->unicode[cell->char_num++]= wc;
count += 2;
}
}
return count;
}
UINT16 OSD_GetWordLen(UINT8* pText, UINT8 font,UINT16* wordwidth,UINT16* wordheight ,UINT16 width)
{
UINT16 wc,wordlen = 0;
UINT16 w,h,mh = 0,ww = 0;
UINT32 cnt;
UINT16 font_w = 0, font_h = 0;
while( (wc = ComMB16ToWord(pText)) != 0)
{
if(IS_NEWLINE(wc))
{
*wordwidth = ww;
*wordheight = mh;
return wordlen;
}
else if((wc > 0x4e00 && wc < 0x9f45)||
(wc > 0x3000 && wc < 0x303f)||
(wc > 0xff00 && wc < 0xffef)||
(wc > 0x2e80 && wc < 0x2eff))//chinese
{
if(font_w == 0)
{
font_w = 36;
font_h = 36;
OSD_GetCharWidthHeight(wc, font, &font_w, &font_h);
//libc_printf("font_w = %d,font_h = %d\n",font_w,font_h);
}
ww += font_w;
mh = font_h;
wordlen += 1;
pText += 2;
break;
}
else if(IS_WORD_END(wc) && wordlen>0)
break;
w = 10;
h = 0;
cnt = 2;
if(is_thai_unicode(wc))
{
struct thai_cell cell;
cnt = thai_get_cell(pText, &cell);
if(cnt == 0)
break;
OSD_GetThaiCellWidthHeight(&cell, font,&w,&h);
}
else
{
OSD_GetCharWidthHeight(wc ,font, &w, &h);
}
if(mh < h)
mh = h;
if((ww+w)<=width)
ww += w;
else
break;
wordlen += cnt/2;
pText += cnt;
if(IS_WORD_END(wc))
break;
}
*wordwidth = ww;
*wordheight = mh;
return wordlen;
}
UINT16 OSD_GetTextTotalLine(UINT8* pText,UINT8 font,UINT16 width,
INT16 lineidx,UINT8** lineStr, UINT8* linesheght)
{
UINT16 l;
UINT16 wc,wordlen;
//UINT16 maxw,maxh;
UINT16 chl;
UINT16 wordw,wordh;
UINT16 line = 0;
if(pText==NULL)
return 0;
l = 0;
chl = 0;
wc = ComMB16ToWord(pText);
while(wc!=0 && line<MAX_LINE_NUM)
{
if(l==0 && line == lineidx && lineStr!=NULL)
*lineStr = pText;
if(IS_NEWLINE(wc))
{
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
pText += 2;
}
else
{
wordlen = OSD_GetWordLen(pText,font,&wordw,&wordh,width);
if(wordlen > 0)
{
if(chl== 0)
chl = wordh;
/*If first char of the line is a space, ignore it.*/
// if(l == 0 && wordlen==1 && wc == ' ')
// {
// pText += 2;
// }
// else if(l + wordw <= width || l == 0)
if(l + wordw <= width || l == 0)
{
l += wordw;
pText += wordlen*2;
}
else /* Next line*/
{
if(chl < wordh)
chl = wordh;
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
}
}
}
wc = ComMB16ToWord(pText);
if(l !=0 && wc==0)
{
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
}
}
#ifdef BIDIRECTIONAL_OSD_STYLE
lastLineWidth = l;
#endif
return line;
}
UINT16 OSD_GetTextTotalLine(UINT8* pText,UINT8 font,UINT16 width,
INT16 lineidx,UINT8** lineStr, UINT8* linesheght)
{
UINT16 l,wc,wordlen,chl,wordw,wordh,line;
l = 0;
chl = 0;
line = 0;
if(pText==NULL)
return 0;
wc = ComMB16ToWord(pText);
while(wc!=0 && line<MAX_LINE_NUM)
{
if(l==0 && line == lineidx && lineStr!=NULL)
*lineStr = pText;
if(IS_NEWLINE(wc))
{
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
pText += 2;
}
else
{
wordlen = OSD_GetWordLen(pText,font,&wordw,&wordh,width);
if(wordlen > 0)
{
if(chl== 0)
chl = wordh;
if(l + wordw <= width || l == 0)
{
l += wordw;
pText += wordlen*2;
}
else /* Next line*/
{
if(chl < wordh)
chl = wordh;
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
}
}
}
wc = ComMB16ToWord(pText);
if(l !=0 && wc==0)
{//end of the multitext content
if(chl== 0)
chl = OSD_FONT_HEIGHT;
linesheght[line] = chl;
line++;
}
}
return line;
}
