Mercurial > sdl-ios-xcode
annotate docs/html/sdlconvertsurface.html @ 3958:85b6fb6a5e3c SDL-1.2
Actually, this is a better fix...clear the error state once if everything we
need loaded; it's more efficient, and works even if the last unnecessary
xrandr symbol failed to load. Otherwise, leave the original loadso error, so
the end user can find out what symbol failed.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 13 Jun 2007 08:00:10 +0000 |
| parents | 355632dca928 |
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| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_ConvertSurface</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_GetClipRect" | |
| 17 HREF="sdlgetcliprect.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_BlitSurface" | |
| 20 HREF="sdlblitsurface.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="sdlgetcliprect.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="sdlblitsurface.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="SDLCONVERTSURFACE" | |
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74 ></A |
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75 >SDL_ConvertSurface</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN2258" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_ConvertSurface -- Converts a surface to the same format as another surface.</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN2261" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN2262" |
| 0 | 95 ></A |
| 96 ><P | |
| 97 ></P | |
| 98 ><PRE | |
| 99 CLASS="FUNCSYNOPSISINFO" | |
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100 >#include "SDL/SDL.h"</PRE |
| 0 | 101 ><P |
| 102 ><CODE | |
| 103 ><CODE | |
| 104 CLASS="FUNCDEF" | |
| 105 >SDL_Surface *<B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_ConvertSurface</B | |
| 108 ></CODE | |
| 109 >(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN2268" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 >Creates a new surface of the specified format, and then copies and maps | |
| 124 the given surface to it. If this function fails, it returns | |
| 125 <TT | |
| 126 CLASS="LITERAL" | |
| 127 >NULL</TT | |
| 128 >.</P | |
| 129 ><P | |
| 130 >The <TT | |
| 131 CLASS="PARAMETER" | |
| 132 ><I | |
| 133 >flags</I | |
| 134 ></TT | |
| 135 > parameter is passed to | |
| 136 <A | |
| 137 HREF="sdlcreatergbsurface.html" | |
| 138 ><TT | |
| 139 CLASS="FUNCTION" | |
| 140 >SDL_CreateRGBSurface</TT | |
| 141 ></A | |
| 142 > | |
| 143 and has those semantics.</P | |
| 144 ><P | |
| 145 >This function is used internally by | |
| 146 <A | |
| 147 HREF="sdldisplayformat.html" | |
| 148 ><TT | |
| 149 CLASS="FUNCTION" | |
| 150 >SDL_DisplayFormat</TT | |
| 151 ></A | |
| 152 >.</P | |
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153 ><P |
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154 >This function can only be called after SDL_Init.</P |
| 0 | 155 ></DIV |
| 156 ><DIV | |
| 157 CLASS="REFSECT1" | |
| 158 ><A | |
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159 NAME="AEN2280" |
| 0 | 160 ></A |
| 161 ><H2 | |
| 162 >Return Value</H2 | |
| 163 ><P | |
| 164 >Returns either a pointer to the new surface, or | |
| 165 <TT | |
| 166 CLASS="LITERAL" | |
| 167 >NULL</TT | |
| 168 > on error.</P | |
| 169 ></DIV | |
| 170 ><DIV | |
| 171 CLASS="REFSECT1" | |
| 172 ><A | |
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173 NAME="AEN2284" |
| 0 | 174 ></A |
| 175 ><H2 | |
| 176 >See Also</H2 | |
| 177 ><P | |
| 178 ><A | |
| 179 HREF="sdlcreatergbsurface.html" | |
| 180 ><TT | |
| 181 CLASS="FUNCTION" | |
| 182 >SDL_CreateRGBSurface</TT | |
| 183 ></A | |
| 184 >, | |
| 185 <A | |
| 186 HREF="sdldisplayformat.html" | |
| 187 ><TT | |
| 188 CLASS="FUNCTION" | |
| 189 >SDL_DisplayFormat</TT | |
| 190 ></A | |
| 191 >, | |
| 192 <A | |
| 193 HREF="sdlpixelformat.html" | |
| 194 ><SPAN | |
| 195 CLASS="STRUCTNAME" | |
| 196 >SDL_PixelFormat</SPAN | |
| 197 ></A | |
| 198 >, | |
| 199 <A | |
| 200 HREF="sdlsurface.html" | |
| 201 ><SPAN | |
| 202 CLASS="STRUCTNAME" | |
| 203 >SDL_Surface</SPAN | |
| 204 ></A | |
| 205 ></P | |
| 206 ></DIV | |
| 207 ><DIV | |
| 208 CLASS="NAVFOOTER" | |
| 209 ><HR | |
| 210 ALIGN="LEFT" | |
| 211 WIDTH="100%"><TABLE | |
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212 SUMMARY="Footer navigation table" |
| 0 | 213 WIDTH="100%" |
| 214 BORDER="0" | |
| 215 CELLPADDING="0" | |
| 216 CELLSPACING="0" | |
| 217 ><TR | |
| 218 ><TD | |
| 219 WIDTH="33%" | |
| 220 ALIGN="left" | |
| 221 VALIGN="top" | |
| 222 ><A | |
| 223 HREF="sdlgetcliprect.html" | |
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224 ACCESSKEY="P" |
| 0 | 225 >Prev</A |
| 226 ></TD | |
| 227 ><TD | |
| 228 WIDTH="34%" | |
| 229 ALIGN="center" | |
| 230 VALIGN="top" | |
| 231 ><A | |
| 232 HREF="index.html" | |
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233 ACCESSKEY="H" |
| 0 | 234 >Home</A |
| 235 ></TD | |
| 236 ><TD | |
| 237 WIDTH="33%" | |
| 238 ALIGN="right" | |
| 239 VALIGN="top" | |
| 240 ><A | |
| 241 HREF="sdlblitsurface.html" | |
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242 ACCESSKEY="N" |
| 0 | 243 >Next</A |
| 244 ></TD | |
| 245 ></TR | |
| 246 ><TR | |
| 247 ><TD | |
| 248 WIDTH="33%" | |
| 249 ALIGN="left" | |
| 250 VALIGN="top" | |
| 251 >SDL_GetClipRect</TD | |
| 252 ><TD | |
| 253 WIDTH="34%" | |
| 254 ALIGN="center" | |
| 255 VALIGN="top" | |
| 256 ><A | |
| 257 HREF="video.html" | |
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258 ACCESSKEY="U" |
| 0 | 259 >Up</A |
| 260 ></TD | |
| 261 ><TD | |
| 262 WIDTH="33%" | |
| 263 ALIGN="right" | |
| 264 VALIGN="top" | |
| 265 >SDL_BlitSurface</TD | |
| 266 ></TR | |
| 267 ></TABLE | |
| 268 ></DIV | |
| 269 ></BODY | |
| 270 ></HTML | |
| 271 > |