Re: Debian for ARM710µÄÖÐÎÄ»¯ÎÊÌâ

["shuyong" <shuyong@public.nn.gx.cn>]

ha shao wrote:

> On Sat, Jan 27, 2001 at 03:50:55PM +0800, shuyong@public.nn.gx.cn wrote:
> > > On Sat, Jan 27, 2001 at 03:11:31PM +0800, shuyong@public.nn.gx.cn wrote:
> > > >
> > > > 3¡¢XDrawString16»ù±¾Õý³££¬¿ÉÒÔ»­ºº×Ö(ÎÊÌâÔÚºóÃæ)¡£
> > > > ËùÒÔÈç¹ûÊÇ:
> > > > char *ch_str = "zh1 zh2 zh3 zh4";
> > > > ...
> > > > XDrawString16 (display, window, gc, x, y, (_Xconst XChar2b *)ch_str, length + 1);
> > > > ¿´µ½µÄÊÇ
> > > > zh1 zh2 zh3 zh4 00
> > >
> > > ÎÒ¿ªÊ¼·´Ó¦²»¹ýÀ´ÁË£¬ÕâÀï´«ÈëµÄÊÇ(XChar2b*) zh1 zh2, 0 ¡£µ«ÊÇ»­
> > > ³öÀ´µÄÊÇÕýÈ·µÄ zh1 zh2 zh3 zh4 0 £¬ÄÇ XDrawString16 ¾ÍÒ²²»¶ÔÁË
> > > ѽ¡£Ó¦¸ÃÊÇÔÚ´«Èë (Xchar2b*) zh1 zh2, zh3 zh4, 0 ʱ²ÅÓ¦¸Ã»­
> > > zh1 zh2 zh3 zh4 0 µÄ¡£
> >
> > ÎÒÕâÖ»ÊÇʾÒ⣬±¾ÏëÉÙ´ò¼¸¸ö×Ö£¬¿´À´»¹ÊDz»ÄÜ͵ÀÁ¡£Ó¦¸ÃÊÇ£º
> > char * ch_str  = "ÕâÊÇÖÐÎÄ";
> > ...
> > XDrawString16(display, window, gc, x, y, (_Xconst XChar2b *)ch_str, length + 1);
> > ÏÔʾÕýÈ·£ºÕâÊÇÖÐÎÄ|<-½áÊø£¬4¸öºº×Ö¡£
> > XChar2b *ch_str = struct copy "ÕâÊÇÖÐÎÄ";
> > ...
> > XDrawString16(display, window, gc, x, y, (_Xconst XChar2b *)ch_str, length + 1);
> > ÏÔʾ´íÎó£ºÕâ  ÊÇ  |<-½áÊø£¬Í¬ÑùÕ¼ÓÃ4¸öºº×ÖµÄλÖã¬Ö»ÊÇÒ»¸öºº×ÖºóÃæ
> > Êǿհס£ÕâÊÇÑÝʾXmbDrawString/XwcDrawStringµÄ´íÎó¡£XDrawString16µÄ
> > ´íÎóÊÇϱßÃèÊöµÄ¡£
> >
>
> ÎÒҲ˵µÄÊÇXmbDrawString µÄÇé¿ö¡£µÚÒ»ÖÖÇé¿öÏÂXDrawString16 ¿´µ½µÄ
> Ó¦¸ÃÊÇÁ½¸öXChar2b*:
> XChar2b* ch_str[0] = {Õâ} ch_str[1]= {ÖÐ}
>
> ÏÔʾ½á¹ûÓ¦¸ÃÊÇ¡® ÕâÖС¯£¬
> µÚ¶þÖÖÇé¿öÏÂÕýÈ·£º ch_str[0] = Õâ ch_str[1] = ÊÇ ch_str[2] = ÖÐ
> ch_str[3] = ÎÄ£¬
> ʵ¼ÊÉÏ XDrawString16 ²¢Ã»ÓÐ°Ñ ch_str
> µ±³É XChar2b* £¬¶øÊǵ±³É char* £¬ÎÒµÄÒâ˼ÊÇ˵ XDrawString16 ±¾Éí
> ÓÐÎÊÌâ¡£ËüÈç¹ûÒªÇó²ÎÊýÊÇ XChar2b* £¬¾ÍÓ¦¸Ã°ÑËüµ±×ö XChar2b* À´
> Ó㬶ø²»Êǵ±×ö char* À´Óá£ÎÒÏëÄãÒ²¿´³öÀ´ÁË£¬ÄãÏ£ÍûÓà 8 bit align
> À´½â¾ö£¬ÎÒÊÇÈÏΪӦ¸Ã°Ñ XDrawString16 ºÍ XmbDrawString µÄ°´ÕÕº¯Êý
> ¶¨ÒåÀ´¸ÄÕý¡£
>
> »ù±¾ÉÏXDrawString16, XmbDrawString...µÄÊÇÔÚsizeof(XChar2b) == 2
> µÄ¼ÙÉèÇé¿öÏ£¬¿ÉÒÔÕý³£¹¤×÷µÄ¡£µ± sizeof(XChar2b) != 2 ʱ£¬Á½¸ö
> º¯Êý¶¼ÓÐÎÊÌâ¡£¶øÇÒÅäºÏ¹¤×÷µÄ½á¹ûÒ²ÓÐÎÊÌâ¡£
>
> ¿´ XDrawString16 µÄ¶¨Òå (Text16.c)£¬ÕýÏñ Rigel ˵µÄ£¬¶¨ÒåÁË
> MUSTCOPY2B ºó£¬XDrawString16 Ó¦¸Ã»á°´ÕÕÎÒÃÇÔ¤Æڵķ½Ê½¹¤×÷¡£
> ÕâʱºòÖ»ÒªÔÚ XmbDrawString Àï¸øËüιÕýÈ·µÄ XChar2b* ºÍ³¤¶È£¬
> ¾ÍÓ¦¸Ã¿ÉÒÔ½â¾öÎÊÌâÁË¡£xlibc ´ó¸ÅÖ»ÔÚ omText.c ÀïÓÐ3 ´¦Óõ½ XDrawString16.
>
> > >
> > > Ö»ÊÇ xlib дµÄʱºòûÓп¼ÂÇÒÆÖ²ÐÔ£¬ÔÚ´«¸ø XDrawString16 µÄʱºò¸ø³ö
> > > ÕýÈ·µÄXChar2b µÄÄÚÈݾÍÐÐÁË¡£Ð§Âʲ»»á¼õµÍ¶àÉÙ¡£
> > >
> >
> > ÎÒ±àÒëÒ»´ÎXÐèÒª30¶à¸öСʱ£¬²¢ÇÒÎÒÕą̂ARM710Ö»ÓÐ16MBÄڴ棬ÔÚ
> > Éú³ÉlibX11.soºÍXServerʱÄÚ´æ²»×ã¡£Ö»ÓÐÉÏ°àºóÈÃÈ˼Ӻ¸ÉÏ16MBÔÙÊÔÁË¡£
>
> :( Ï£Íû¸ÄÁ½¸öÎļþ£¬±àÒë²»»áÔÙÓÃ30¸öСʱ¡£ 16MB ±àXÊǹ»Í·Í´µÄ£¬swap
> ÔÙ´óµãҲûÓÐÓã¿hehehe, good luck. ÎÒÒѾ­¼¸Äêû±àÒëXÁË¡£
>
> --
> Best regard
> hashao

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