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<HTML><HEAD><TITLE>SDL_ConvertSurface</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="SDL Library Documentation"HREF="index.html"><LINKREL="UP"TITLE="Video"HREF="video.html"><LINKREL="PREVIOUS"TITLE="SDL_GetClipRect"HREF="sdlgetcliprect.html"><LINKREL="NEXT"TITLE="SDL_BlitSurface"HREF="sdlblitsurface.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFF8DC"TEXT="#000000"LINK="#0000ee"VLINK="#551a8b"ALINK="#ff0000"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">SDL Library Documentation</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="sdlgetcliprect.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sdlblitsurface.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SDLCONVERTSURFACE"></A>SDL_ConvertSurface</H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN2258"></A><H2>Name</H2>SDL_ConvertSurface -- Converts a surface to the same format as another surface.</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN2261"></A><H2>Synopsis</H2><DIVCLASS="FUNCSYNOPSIS"><ANAME="AEN2262"></A><P></P><PRECLASS="FUNCSYNOPSISINFO">#include "SDL/SDL.h"</PRE><P><CODE><CODECLASS="FUNCDEF">SDL_Surface *<BCLASS="FSFUNC">SDL_ConvertSurface</B></CODE>(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags);</CODE></P><P></P></DIV></DIV><DIVCLASS="REFSECT1"><ANAME="AEN2268"></A><H2>Description</H2><P>Creates a new surface of the specified format, and then copies and mapsthe given surface to it. If this function fails, it returns<TTCLASS="LITERAL">NULL</TT>.</P><P>The <TTCLASS="PARAMETER"><I>flags</I></TT> parameter is passed to <AHREF="sdlcreatergbsurface.html"><TTCLASS="FUNCTION">SDL_CreateRGBSurface</TT></A>and has those semantics.</P><P>This function is used internally by <AHREF="sdldisplayformat.html"><TTCLASS="FUNCTION">SDL_DisplayFormat</TT></A>.</P><P>This function can only be called after SDL_Init.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN2280"></A><H2>Return Value</H2><P>Returns either a pointer to the new surface, or<TTCLASS="LITERAL">NULL</TT> on error.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN2284"></A><H2>See Also</H2><P><AHREF="sdlcreatergbsurface.html"><TTCLASS="FUNCTION">SDL_CreateRGBSurface</TT></A>,<AHREF="sdldisplayformat.html"><TTCLASS="FUNCTION">SDL_DisplayFormat</TT></A>,<AHREF="sdlpixelformat.html"><SPANCLASS="STRUCTNAME">SDL_PixelFormat</SPAN></A>,<AHREF="sdlsurface.html"><SPANCLASS="STRUCTNAME">SDL_Surface</SPAN></A></P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="sdlgetcliprect.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="index.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="sdlblitsurface.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">SDL_GetClipRect</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="video.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">SDL_BlitSurface</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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