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<HTML><STYLE> <!-- A{textdecoration:none} --></STYLE><STYLE type="text/css"> A:link, A:visited, A:active { text-decoration: none; }</STYLE><HEAD> <TITLE>IDirectFBFont - GetStringWidth [DirectFB Reference Manual]</TITLE></HEAD><BODY bgcolor=#FFFFFF link=#0070FF vlink=#0070FF text=#404040><TABLE width=100% bgcolor=black border=0 cellspacing=1 cellpadding=3> <TR><TD width=30%> <A href="http://www.directfb.org"><IMG border=0 src="directfb.png"></A> </TD><TD align=right> <A href="index.html"><FONT size=+3 color=white>Reference Manual - 0.9.25</FONT></A> </TD></TR> <TR><TD colspan=2 align=center bgcolor=#303030> <TABLE border=0 cellspacing=0 cellpadding=0> <TR><TD nowrap align=right width=50%> <BIG><A href="IDirectFBFont.html"><FONT color=#DDDDDD>IDirectFBFont</FONT></A> </BIG> </TD><TD nowrap align=left width=50%> <BIG><FONT color=orange> GetStringWidth</FONT></BIG> </TD></TR> </TABLE> </TD></TR></TABLE><P> Get the logical width of the specified UTF-8 string as if it were drawn with this font.</P><P> <TABLE border=0 cellspacing=0 cellpadding=2 bgcolor=#C0C0C0> <TR><TD colspan=5><I><FONT color=black>GetStringWidth (</FONT></I></TD></TR> <TR><TD width=50> </TD><TD valign=top> <A href="IDirectFBFont.html">IDirectFBFont</A> </TD><TD width=20> </TD><TD align=right> <FONT color=black><B>*</B></FONT> </TD><TD valign=top> <FONT color=black><B>thiz,</B></FONT> </TD></TR> <TR><TD width=50> </TD><TD valign=top> const char </TD><TD width=20> </TD><TD align=right> <FONT color=black><B>*</B></FONT> </TD><TD valign=top> <FONT color=black><B>text,</B></FONT> </TD></TR> <TR><TD width=50> </TD><TD valign=top> int </TD><TD width=20> </TD><TD align=right> <FONT color=black><B></B></FONT> </TD><TD valign=top> <FONT color=black><B>bytes,</B></FONT> </TD></TR> <TR><TD width=50> </TD><TD valign=top> int </TD><TD width=20> </TD><TD align=right> <FONT color=black><B>*</B></FONT> </TD><TD valign=top> <FONT color=black><B>ret_width</B></FONT> </TD></TR> <TR><TD colspan=3><I><FONT color=black>);</FONT></I></TD></TR> </TABLE></P><P> Bytes specifies the number of bytes to take from the string or -1 for the complete NULL-terminated string. </P><P> The returned width may be different than the actual drawn width of the text since this function returns the logical width that should be used to layout the text. A negative width indicates right-to-left rendering.</P></BODY></HTML>⌨️ 快捷键说明
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