Mercurial > sdl-ios-xcode
annotate docs/html/sdlfreesurface.html @ 2321:c5feceb0395e
SetupWindowData in SDL_X11window.c was realloc()ing the display window list and incrementing numwindows even though those are being updated in functions that call
this function. The result is that it is possible to get the same window added to the list twice.
| author | Bob Pendleton <bob@pendleton.com> |
|---|---|
| date | Tue, 04 Mar 2008 23:09:28 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_FreeSurface</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| 0 | 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_CreateRGBSurfaceFrom" | |
| 17 HREF="sdlcreatergbsurfacefrom.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_LockSurface" | |
| 20 HREF="sdllocksurface.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 | |
|
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31 SUMMARY="Header navigation table" |
| 0 | 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="sdlcreatergbsurfacefrom.html" | |
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49 ACCESSKEY="P" |
| 0 | 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="sdllocksurface.html" | |
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63 ACCESSKEY="N" |
| 0 | 64 >Next</A |
| 65 ></TD | |
| 66 ></TR | |
| 67 ></TABLE | |
| 68 ><HR | |
| 69 ALIGN="LEFT" | |
| 70 WIDTH="100%"></DIV | |
| 71 ><H1 | |
| 72 ><A | |
| 73 NAME="SDLFREESURFACE" | |
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74 ></A |
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75 >SDL_FreeSurface</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN1893" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
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83 >SDL_FreeSurface -- Frees (deletes) a SDL_Surface</DIV |
| 0 | 84 ><DIV |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN1896" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN1897" |
| 0 | 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_FreeSurface</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 | |
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118 NAME="AEN1903" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 >Frees the resources used by a previously created <SPAN | |
| 124 CLASS="STRUCTNAME" | |
| 125 >SDL_Surface</SPAN | |
| 126 >. If the surface was created using | |
| 127 <A | |
| 128 HREF="sdlcreatergbsurfacefrom.html" | |
| 129 >SDL_CreateRGBSurfaceFrom</A | |
| 130 > then the pixel data is not freed.</P | |
| 131 ></DIV | |
| 132 ><DIV | |
| 133 CLASS="REFSECT1" | |
| 134 ><A | |
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135 NAME="AEN1908" |
| 0 | 136 ></A |
| 137 ><H2 | |
| 138 >See Also</H2 | |
| 139 ><P | |
| 140 ><A | |
| 141 HREF="sdlcreatergbsurface.html" | |
| 142 ><TT | |
| 143 CLASS="FUNCTION" | |
| 144 >SDL_CreateRGBSurface</TT | |
| 145 ></A | |
| 146 > | |
| 147 <A | |
| 148 HREF="sdlcreatergbsurfacefrom.html" | |
| 149 ><TT | |
| 150 CLASS="FUNCTION" | |
| 151 >SDL_CreateRGBSurfaceFrom</TT | |
| 152 ></A | |
| 153 ></P | |
| 154 ></DIV | |
| 155 ><DIV | |
| 156 CLASS="NAVFOOTER" | |
| 157 ><HR | |
| 158 ALIGN="LEFT" | |
| 159 WIDTH="100%"><TABLE | |
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160 SUMMARY="Footer navigation table" |
| 0 | 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="sdlcreatergbsurfacefrom.html" | |
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parents:
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172 ACCESSKEY="P" |
| 0 | 173 >Prev</A |
| 174 ></TD | |
| 175 ><TD | |
| 176 WIDTH="34%" | |
| 177 ALIGN="center" | |
| 178 VALIGN="top" | |
| 179 ><A | |
| 180 HREF="index.html" | |
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parents:
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181 ACCESSKEY="H" |
| 0 | 182 >Home</A |
| 183 ></TD | |
| 184 ><TD | |
| 185 WIDTH="33%" | |
| 186 ALIGN="right" | |
| 187 VALIGN="top" | |
| 188 ><A | |
| 189 HREF="sdllocksurface.html" | |
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parents:
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190 ACCESSKEY="N" |
| 0 | 191 >Next</A |
| 192 ></TD | |
| 193 ></TR | |
| 194 ><TR | |
| 195 ><TD | |
| 196 WIDTH="33%" | |
| 197 ALIGN="left" | |
| 198 VALIGN="top" | |
| 199 >SDL_CreateRGBSurfaceFrom</TD | |
| 200 ><TD | |
| 201 WIDTH="34%" | |
| 202 ALIGN="center" | |
| 203 VALIGN="top" | |
| 204 ><A | |
| 205 HREF="video.html" | |
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parents:
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206 ACCESSKEY="U" |
| 0 | 207 >Up</A |
| 208 ></TD | |
| 209 ><TD | |
| 210 WIDTH="33%" | |
| 211 ALIGN="right" | |
| 212 VALIGN="top" | |
| 213 >SDL_LockSurface</TD | |
| 214 ></TR | |
| 215 ></TABLE | |
| 216 ></DIV | |
| 217 ></BODY | |
| 218 ></HTML | |
| 219 > |