1 <HTML 2 ><HEAD 3 ><TITLE 4 >SDL_UnlockSurface</TITLE 5 ><META 6 NAME="GENERATOR" 7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ 8 "><LINK 9 REL="HOME" 10 TITLE="SDL Library Documentation" 11 HREF="index.html"><LINK 12 REL="UP" 13 TITLE="Video" 14 HREF="video.html"><LINK 15 REL="PREVIOUS" 16 TITLE="SDL_LockSurface" 17 HREF="sdllocksurface.html"><LINK 18 REL="NEXT" 19 TITLE="SDL_LoadBMP" 20 HREF="sdlloadbmp.html"></HEAD 21 ><BODY 22 CLASS="REFENTRY" 23 BGCOLOR="#FFF8DC" 24 TEXT="#000000" 25 LINK="#0000ee" 26 VLINK="#551a8b" 27 ALINK="#ff0000" 28 ><DIV 29 CLASS="NAVHEADER" 30 ><TABLE 31 SUMMARY="Header navigation table" 32 WIDTH="100%" 33 BORDER="0" 34 CELLPADDING="0" 35 CELLSPACING="0" 36 ><TR 37 ><TH 38 COLSPAN="3" 39 ALIGN="center" 40 >SDL Library Documentation</TH 41 ></TR 42 ><TR 43 ><TD 44 WIDTH="10%" 45 ALIGN="left" 46 VALIGN="bottom" 47 ><A 48 HREF="sdllocksurface.html" 49 ACCESSKEY="P" 50 >Prev</A 51 ></TD 52 ><TD 53 WIDTH="80%" 54 ALIGN="center" 55 VALIGN="bottom" 56 ></TD 57 ><TD 58 WIDTH="10%" 59 ALIGN="right" 60 VALIGN="bottom" 61 ><A 62 HREF="sdlloadbmp.html" 63 ACCESSKEY="N" 64 >Next</A 65 ></TD 66 ></TR 67 ></TABLE 68 ><HR 69 ALIGN="LEFT" 70 WIDTH="100%"></DIV 71 ><H1 72 ><A 73 NAME="SDLUNLOCKSURFACE" 74 ></A 75 >SDL_UnlockSurface</H1 76 ><DIV 77 CLASS="REFNAMEDIV" 78 ><A 79 NAME="AEN1962" 80 ></A 81 ><H2 82 >Name</H2 83 >SDL_UnlockSurface -- Unlocks a previously locked surface.</DIV 84 ><DIV 85 CLASS="REFSYNOPSISDIV" 86 ><A 87 NAME="AEN1965" 88 ></A 89 ><H2 90 >Synopsis</H2 91 ><DIV 92 CLASS="FUNCSYNOPSIS" 93 ><A 94 NAME="AEN1966" 95 ></A 96 ><P 97 ></P 98 ><PRE 99 CLASS="FUNCSYNOPSISINFO" 100 >#include "SDL.h"</PRE 101 ><P 102 ><CODE 103 ><CODE 104 CLASS="FUNCDEF" 105 >void <B 106 CLASS="FSFUNC" 107 >SDL_UnlockSurface</B 108 ></CODE 109 >(SDL_Surface *surface);</CODE 110 ></P 111 ><P 112 ></P 113 ></DIV 114 ></DIV 115 ><DIV 116 CLASS="REFSECT1" 117 ><A 118 NAME="AEN1972" 119 ></A 120 ><H2 121 >Description</H2 122 ><P 123 >Surfaces that were previously locked using <TT 124 CLASS="FUNCTION" 125 >SDL_LockSurface</TT 126 > must be unlocked with <TT 127 CLASS="FUNCTION" 128 >SDL_UnlockSurface</TT 129 >. Surfaces should be unlocked as soon as possible.</P 130 ><P 131 >It should be noted that since 1.1.8, surface locks are recursive. See <A 132 HREF="sdllocksurface.html" 133 ><TT 134 CLASS="FUNCTION" 135 >SDL_LockSurface</TT 136 ></A 137 >.</P 138 ></DIV 139 ><DIV 140 CLASS="REFSECT1" 141 ><A 142 NAME="AEN1980" 143 ></A 144 ><H2 145 >See Also</H2 146 ><P 147 ><A 148 HREF="sdllocksurface.html" 149 ><TT 150 CLASS="FUNCTION" 151 >SDL_LockSurface</TT 152 ></A 153 ></P 154 ></DIV 155 ><DIV 156 CLASS="NAVFOOTER" 157 ><HR 158 ALIGN="LEFT" 159 WIDTH="100%"><TABLE 160 SUMMARY="Footer navigation table" 161 WIDTH="100%" 162 BORDER="0" 163 CELLPADDING="0" 164 CELLSPACING="0" 165 ><TR 166 ><TD 167 WIDTH="33%" 168 ALIGN="left" 169 VALIGN="top" 170 ><A 171 HREF="sdllocksurface.html" 172 ACCESSKEY="P" 173 >Prev</A 174 ></TD 175 ><TD 176 WIDTH="34%" 177 ALIGN="center" 178 VALIGN="top" 179 ><A 180 HREF="index.html" 181 ACCESSKEY="H" 182 >Home</A 183 ></TD 184 ><TD 185 WIDTH="33%" 186 ALIGN="right" 187 VALIGN="top" 188 ><A 189 HREF="sdlloadbmp.html" 190 ACCESSKEY="N" 191 >Next</A 192 ></TD 193 ></TR 194 ><TR 195 ><TD 196 WIDTH="33%" 197 ALIGN="left" 198 VALIGN="top" 199 >SDL_LockSurface</TD 200 ><TD 201 WIDTH="34%" 202 ALIGN="center" 203 VALIGN="top" 204 ><A 205 HREF="video.html" 206 ACCESSKEY="U" 207 >Up</A 208 ></TD 209 ><TD 210 WIDTH="33%" 211 ALIGN="right" 212 VALIGN="top" 213 >SDL_LoadBMP</TD 214 ></TR 215 ></TABLE 216 ></DIV 217 ></BODY 218 ></HTML 219 >