Mercurial > sdl-ios-xcode
annotate docs/html/sdlsetcolorkey.html @ 4215:d83830711a5b SDL-1.2
Fixed bug #615
Scott McCreary 2008-08-21 10:48:14 PDT
This patch adds support for Haiku.
http://ports.haiku-files.org/browser/haikuports/trunk/media-libs/libsdl/SDL-1.2.13-haiku.diff
Haiku is an open-source recreation of BeOS. It has better POSIX compliance
than beOS did, and other improved features, which in some cases causes us to
have to "undo" previous BeOS workarounds.
Here's our port log entry for it, showing the steps to force the changes into
configure and Makefile:
http://ports.haiku-files.org/wiki/media-libs/libsdl/1.2.13/1
Note that this was only tried on 1.2.13 stable so far.
Haiku is using a newer config.guess / config.sub that doesn't yet seem to be in
the released libtool, so we are having to copy it in for now.
http://haiku-files.org/files/optional-packages/
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 21 Sep 2009 09:18:42 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_SetColorKey</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_SaveBMP" | |
| 17 HREF="sdlsavebmp.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_SetAlpha" | |
| 20 HREF="sdlsetalpha.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="sdlsavebmp.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="sdlsetalpha.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="SDLSETCOLORKEY" | |
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74 ></A |
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75 >SDL_SetColorKey</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN2045" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_SetColorKey -- Sets the color key (transparent pixel) in a blittable surface and | |
| 84 RLE acceleration.</DIV | |
| 85 ><DIV | |
| 86 CLASS="REFSYNOPSISDIV" | |
| 87 ><A | |
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88 NAME="AEN2048" |
| 0 | 89 ></A |
| 90 ><H2 | |
| 91 >Synopsis</H2 | |
| 92 ><DIV | |
| 93 CLASS="FUNCSYNOPSIS" | |
| 94 ><A | |
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95 NAME="AEN2049" |
| 0 | 96 ></A |
| 97 ><P | |
| 98 ></P | |
| 99 ><PRE | |
| 100 CLASS="FUNCSYNOPSISINFO" | |
| 101 >#include "SDL.h"</PRE | |
| 102 ><P | |
| 103 ><CODE | |
| 104 ><CODE | |
| 105 CLASS="FUNCDEF" | |
| 106 >int <B | |
| 107 CLASS="FSFUNC" | |
| 108 >SDL_SetColorKey</B | |
| 109 ></CODE | |
| 110 >(SDL_Surface *surface, Uint32 flag, Uint32 key);</CODE | |
| 111 ></P | |
| 112 ><P | |
| 113 ></P | |
| 114 ></DIV | |
| 115 ></DIV | |
| 116 ><DIV | |
| 117 CLASS="REFSECT1" | |
| 118 ><A | |
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119 NAME="AEN2055" |
| 0 | 120 ></A |
| 121 ><H2 | |
| 122 >Description</H2 | |
| 123 ><P | |
| 124 > Sets the color key (transparent pixel) in a blittable surface and enables or | |
| 125 disables RLE blit acceleration.</P | |
| 126 ><P | |
| 127 >RLE acceleration can substantially speed up blitting of images with large | |
| 128 horizontal runs of transparent pixels (i.e., pixels that match the | |
| 129 <TT | |
| 130 CLASS="PARAMETER" | |
| 131 ><I | |
| 132 >key</I | |
| 133 ></TT | |
| 134 > value). The <TT | |
| 135 CLASS="PARAMETER" | |
| 136 ><I | |
| 137 >key</I | |
| 138 ></TT | |
| 139 > must be of the same pixel format as the <TT | |
| 140 CLASS="PARAMETER" | |
| 141 ><I | |
| 142 >surface</I | |
| 143 ></TT | |
| 144 >, <A | |
| 145 HREF="sdlmaprgb.html" | |
| 146 ><TT | |
| 147 CLASS="FUNCTION" | |
| 148 >SDL_MapRGB</TT | |
| 149 ></A | |
| 150 > is often useful for obtaining an acceptable value.</P | |
| 151 ><P | |
| 152 >If <TT | |
| 153 CLASS="PARAMETER" | |
| 154 ><I | |
| 155 >flag</I | |
| 156 ></TT | |
| 157 > is <TT | |
| 158 CLASS="LITERAL" | |
| 159 >SDL_SRCCOLORKEY</TT | |
| 160 > then | |
| 161 <TT | |
| 162 CLASS="PARAMETER" | |
| 163 ><I | |
| 164 >key</I | |
| 165 ></TT | |
| 166 > is the transparent pixel value in the source image of a | |
| 167 blit.</P | |
| 168 ><P | |
| 169 >If <TT | |
| 170 CLASS="PARAMETER" | |
| 171 ><I | |
| 172 >flag</I | |
| 173 ></TT | |
| 174 > is OR'd with | |
| 175 <TT | |
| 176 CLASS="LITERAL" | |
| 177 >SDL_RLEACCEL</TT | |
| 178 > then the surface will be draw using RLE | |
| 179 acceleration when drawn with | |
| 180 <A | |
| 181 HREF="sdlblitsurface.html" | |
| 182 >SDL_BlitSurface</A | |
| 183 >. The surface will | |
| 184 actually be encoded for RLE acceleration the first time | |
| 185 <A | |
| 186 HREF="sdlblitsurface.html" | |
| 187 >SDL_BlitSurface</A | |
| 188 > or | |
| 189 <A | |
| 190 HREF="sdldisplayformat.html" | |
| 191 >SDL_DisplayFormat</A | |
| 192 > is called on the | |
| 193 surface.</P | |
| 194 ><P | |
| 195 >If <TT | |
| 196 CLASS="PARAMETER" | |
| 197 ><I | |
| 198 >flag</I | |
| 199 ></TT | |
| 200 > is 0, this function clears | |
| 201 any current color key.</P | |
| 202 ></DIV | |
| 203 ><DIV | |
| 204 CLASS="REFSECT1" | |
| 205 ><A | |
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206 NAME="AEN2076" |
| 0 | 207 ></A |
| 208 ><H2 | |
| 209 >Return Value</H2 | |
| 210 ><P | |
| 211 >This function returns <SPAN | |
| 212 CLASS="RETURNVALUE" | |
| 213 >0</SPAN | |
| 214 >, or | |
| 215 <SPAN | |
| 216 CLASS="RETURNVALUE" | |
| 217 >-1</SPAN | |
| 218 > if there was an error.</P | |
| 219 ></DIV | |
| 220 ><DIV | |
| 221 CLASS="REFSECT1" | |
| 222 ><A | |
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223 NAME="AEN2081" |
| 0 | 224 ></A |
| 225 ><H2 | |
| 226 >See Also</H2 | |
| 227 ><P | |
| 228 ><A | |
| 229 HREF="sdlblitsurface.html" | |
| 230 ><TT | |
| 231 CLASS="FUNCTION" | |
| 232 >SDL_BlitSurface</TT | |
| 233 ></A | |
| 234 >, | |
| 235 <A | |
| 236 HREF="sdldisplayformat.html" | |
| 237 ><TT | |
| 238 CLASS="FUNCTION" | |
| 239 >SDL_DisplayFormat</TT | |
| 240 ></A | |
| 241 >, | |
| 242 <A | |
| 243 HREF="sdlmaprgb.html" | |
| 244 ><TT | |
| 245 CLASS="FUNCTION" | |
| 246 >SDL_MapRGB</TT | |
| 247 ></A | |
| 248 >, | |
| 249 <A | |
| 250 HREF="sdlsetalpha.html" | |
| 251 ><TT | |
| 252 CLASS="FUNCTION" | |
| 253 >SDL_SetAlpha</TT | |
| 254 ></A | |
| 255 ></P | |
| 256 ></DIV | |
| 257 ><DIV | |
| 258 CLASS="NAVFOOTER" | |
| 259 ><HR | |
| 260 ALIGN="LEFT" | |
| 261 WIDTH="100%"><TABLE | |
|
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262 SUMMARY="Footer navigation table" |
| 0 | 263 WIDTH="100%" |
| 264 BORDER="0" | |
| 265 CELLPADDING="0" | |
| 266 CELLSPACING="0" | |
| 267 ><TR | |
| 268 ><TD | |
| 269 WIDTH="33%" | |
| 270 ALIGN="left" | |
| 271 VALIGN="top" | |
| 272 ><A | |
| 273 HREF="sdlsavebmp.html" | |
|
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274 ACCESSKEY="P" |
| 0 | 275 >Prev</A |
| 276 ></TD | |
| 277 ><TD | |
| 278 WIDTH="34%" | |
| 279 ALIGN="center" | |
| 280 VALIGN="top" | |
| 281 ><A | |
| 282 HREF="index.html" | |
|
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283 ACCESSKEY="H" |
| 0 | 284 >Home</A |
| 285 ></TD | |
| 286 ><TD | |
| 287 WIDTH="33%" | |
| 288 ALIGN="right" | |
| 289 VALIGN="top" | |
| 290 ><A | |
| 291 HREF="sdlsetalpha.html" | |
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292 ACCESSKEY="N" |
| 0 | 293 >Next</A |
| 294 ></TD | |
| 295 ></TR | |
| 296 ><TR | |
| 297 ><TD | |
| 298 WIDTH="33%" | |
| 299 ALIGN="left" | |
| 300 VALIGN="top" | |
| 301 >SDL_SaveBMP</TD | |
| 302 ><TD | |
| 303 WIDTH="34%" | |
| 304 ALIGN="center" | |
| 305 VALIGN="top" | |
| 306 ><A | |
| 307 HREF="video.html" | |
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308 ACCESSKEY="U" |
| 0 | 309 >Up</A |
| 310 ></TD | |
| 311 ><TD | |
| 312 WIDTH="33%" | |
| 313 ALIGN="right" | |
| 314 VALIGN="top" | |
| 315 >SDL_SetAlpha</TD | |
| 316 ></TR | |
| 317 ></TABLE | |
| 318 ></DIV | |
| 319 ></BODY | |
| 320 ></HTML | |
| 321 > |