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📁 DirectFB的使用手册 DirectFB——建立在framebuffer基础之上的图形加速引擎

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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>IDirectFBSurface - Dump [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>    &nbsp;&nbsp;    <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="IDirectFBSurface.html"><FONT color=#DDDDDD>IDirectFBSurface</FONT></A>&nbsp;</BIG>      </TD><TD nowrap align=left width=50%>        <BIG><FONT color=orange>&nbsp;Dump</FONT></BIG>      </TD></TR>    </TABLE>  </TD></TR></TABLE><P> Dump the contents of the surface to one or two files.</P><P>  <TABLE border=0 cellspacing=0 cellpadding=2 bgcolor=#C0C0C0>    <TR><TD colspan=5><I><FONT color=black>Dump (</FONT></I></TD></TR>    <TR><TD width=50>&nbsp;</TD><TD valign=top>      <A href="IDirectFBSurface.html">IDirectFBSurface</A>    </TD><TD width=20>&nbsp;</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>&nbsp;</TD><TD valign=top>      const char    </TD><TD width=20>&nbsp;</TD><TD align=right>      <FONT color=black><B>*</B></FONT>    </TD><TD valign=top>      <FONT color=black><B>directory,</B></FONT>    </TD></TR>    <TR><TD width=50>&nbsp;</TD><TD valign=top>      const char    </TD><TD width=20>&nbsp;</TD><TD align=right>      <FONT color=black><B>*</B></FONT>    </TD><TD valign=top>      <FONT color=black><B>prefix</B></FONT>    </TD></TR>    <TR><TD colspan=3><I><FONT color=black>);</FONT></I></TD></TR>  </TABLE></P><P> Creates a PPM file containing the RGB data and a PGM file with the alpha data if present. </P><P> The complete filenames will be <b>directory</b>/<b>prefix</b>_<i>####</i>.ppm for RGB and <b>directory</b>/<b>prefix</b>_<i>####</i>.pgm for the alpha channel if present. Example: "/directory/prefix_0000.ppm". No existing files will be overwritten.</P></BODY></HTML>

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