Mercurial > sdl-ios-xcode
annotate docs/html/sdlcolor.html @ 102:9162d62280b5
Don't crash if freeing a hardware surface after the video mode has been
reset. Fortunately we keep track of the video memory internally.
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Thu, 12 Jul 2001 23:34:44 +0000 |
| parents | 55f1f1b3e27d |
| children | e5bc29de3f0a |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_Color</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 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_Rect" | |
| 17 HREF="sdlrect.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_Palette" | |
| 20 HREF="sdlpalette.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 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlrect.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlpalette.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLCOLOR" | |
| 71 >SDL_Color</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN2660" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_Color -- Format independent color description</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSECT1" | |
| 83 ><A | |
|
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diff
changeset
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84 NAME="AEN2663" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Structure Definition</H2 | |
| 88 ><PRE | |
| 89 CLASS="PROGRAMLISTING" | |
| 90 >typedef struct{ | |
| 91 Uint8 r; | |
| 92 Uint8 g; | |
| 93 Uint8 b; | |
| 94 Uint8 unused; | |
| 95 } SDL_Color;</PRE | |
| 96 ></DIV | |
| 97 ><DIV | |
| 98 CLASS="REFSECT1" | |
| 99 ><A | |
|
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100 NAME="AEN2666" |
| 0 | 101 ></A |
| 102 ><H2 | |
| 103 >Structure Data</H2 | |
| 104 ><DIV | |
| 105 CLASS="INFORMALTABLE" | |
| 106 ><A | |
|
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diff
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107 NAME="AEN2668" |
| 0 | 108 ></A |
| 109 ><P | |
| 110 ></P | |
| 111 ><TABLE | |
| 112 BORDER="0" | |
| 113 CLASS="CALSTABLE" | |
| 114 ><TBODY | |
| 115 ><TR | |
| 116 ><TD | |
| 117 ALIGN="LEFT" | |
| 118 VALIGN="TOP" | |
| 119 ><TT | |
| 120 CLASS="STRUCTFIELD" | |
| 121 ><I | |
| 122 >r</I | |
| 123 ></TT | |
| 124 ></TD | |
| 125 ><TD | |
| 126 ALIGN="LEFT" | |
| 127 VALIGN="TOP" | |
| 128 >Red intensity</TD | |
| 129 ></TR | |
| 130 ><TR | |
| 131 ><TD | |
| 132 ALIGN="LEFT" | |
| 133 VALIGN="TOP" | |
| 134 ><TT | |
| 135 CLASS="STRUCTFIELD" | |
| 136 ><I | |
| 137 >g</I | |
| 138 ></TT | |
| 139 ></TD | |
| 140 ><TD | |
| 141 ALIGN="LEFT" | |
| 142 VALIGN="TOP" | |
| 143 >Green intensity</TD | |
| 144 ></TR | |
| 145 ><TR | |
| 146 ><TD | |
| 147 ALIGN="LEFT" | |
| 148 VALIGN="TOP" | |
| 149 ><TT | |
| 150 CLASS="STRUCTFIELD" | |
| 151 ><I | |
| 152 >b</I | |
| 153 ></TT | |
| 154 ></TD | |
| 155 ><TD | |
| 156 ALIGN="LEFT" | |
| 157 VALIGN="TOP" | |
| 158 >Blue intensity</TD | |
| 159 ></TR | |
| 160 ><TR | |
| 161 ><TD | |
| 162 ALIGN="LEFT" | |
| 163 VALIGN="TOP" | |
| 164 ><TT | |
| 165 CLASS="STRUCTFIELD" | |
| 166 ><I | |
| 167 >unused</I | |
| 168 ></TT | |
| 169 ></TD | |
| 170 ><TD | |
| 171 ALIGN="LEFT" | |
| 172 VALIGN="TOP" | |
| 173 >Unused</TD | |
| 174 ></TR | |
| 175 ></TBODY | |
| 176 ></TABLE | |
| 177 ><P | |
| 178 ></P | |
| 179 ></DIV | |
| 180 ></DIV | |
| 181 ><DIV | |
| 182 CLASS="REFSECT1" | |
| 183 ><A | |
|
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parents:
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diff
changeset
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184 NAME="AEN2687" |
| 0 | 185 ></A |
| 186 ><H2 | |
| 187 >Description</H2 | |
| 188 ><P | |
| 189 ><SPAN | |
| 190 CLASS="STRUCTNAME" | |
| 191 >SDL_Color</SPAN | |
| 192 > describes a color in a format independent way. You can convert a <SPAN | |
| 193 CLASS="STRUCTNAME" | |
| 194 >SDL_Color</SPAN | |
| 195 > to a pixel value for a certain pixel format using <A | |
| 196 HREF="sdlmaprgb.html" | |
| 197 ><TT | |
| 198 CLASS="FUNCTION" | |
| 199 >SDL_MapRGB</TT | |
| 200 ></A | |
| 201 >.</P | |
| 202 ></DIV | |
| 203 ><DIV | |
| 204 CLASS="REFSECT1" | |
| 205 ><A | |
|
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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
206 NAME="AEN2694" |
| 0 | 207 ></A |
| 208 ><H2 | |
| 209 >See Also</H2 | |
| 210 ><P | |
| 211 ><A | |
| 212 HREF="sdlpixelformat.html" | |
| 213 ><SPAN | |
| 214 CLASS="STRUCTNAME" | |
| 215 >SDL_PixelFormat</SPAN | |
| 216 ></A | |
| 217 >, | |
| 218 <A | |
| 219 HREF="sdlsetcolors.html" | |
| 220 ><TT | |
| 221 CLASS="FUNCTION" | |
| 222 >SDL_SetColors</TT | |
| 223 ></A | |
| 224 >, | |
| 225 <A | |
| 226 HREF="sdlpalette.html" | |
| 227 ><TT | |
| 228 CLASS="FUNCTION" | |
| 229 >SDL_Palette</TT | |
| 230 ></A | |
| 231 ></P | |
| 232 ></DIV | |
| 233 ><DIV | |
| 234 CLASS="NAVFOOTER" | |
| 235 ><HR | |
| 236 ALIGN="LEFT" | |
| 237 WIDTH="100%"><TABLE | |
| 238 WIDTH="100%" | |
| 239 BORDER="0" | |
| 240 CELLPADDING="0" | |
| 241 CELLSPACING="0" | |
| 242 ><TR | |
| 243 ><TD | |
| 244 WIDTH="33%" | |
| 245 ALIGN="left" | |
| 246 VALIGN="top" | |
| 247 ><A | |
| 248 HREF="sdlrect.html" | |
| 249 >Prev</A | |
| 250 ></TD | |
| 251 ><TD | |
| 252 WIDTH="34%" | |
| 253 ALIGN="center" | |
| 254 VALIGN="top" | |
| 255 ><A | |
| 256 HREF="index.html" | |
| 257 >Home</A | |
| 258 ></TD | |
| 259 ><TD | |
| 260 WIDTH="33%" | |
| 261 ALIGN="right" | |
| 262 VALIGN="top" | |
| 263 ><A | |
| 264 HREF="sdlpalette.html" | |
| 265 >Next</A | |
| 266 ></TD | |
| 267 ></TR | |
| 268 ><TR | |
| 269 ><TD | |
| 270 WIDTH="33%" | |
| 271 ALIGN="left" | |
| 272 VALIGN="top" | |
| 273 >SDL_Rect</TD | |
| 274 ><TD | |
| 275 WIDTH="34%" | |
| 276 ALIGN="center" | |
| 277 VALIGN="top" | |
| 278 ><A | |
| 279 HREF="video.html" | |
| 280 >Up</A | |
| 281 ></TD | |
| 282 ><TD | |
| 283 WIDTH="33%" | |
| 284 ALIGN="right" | |
| 285 VALIGN="top" | |
| 286 >SDL_Palette</TD | |
| 287 ></TR | |
| 288 ></TABLE | |
| 289 ></DIV | |
| 290 ></BODY | |
| 291 ></HTML | |
| 292 > |