Mercurial > sdl-ios-xcode
annotate docs/html/sdlcreatergbsurface.html @ 309:2de77f7b7a28
*** empty log message ***
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 11 Mar 2002 17:38:56 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_CreateRGBSurface</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
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_GetRGBA" | |
| 17 HREF="sdlgetrgba.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_CreateRGBSurfaceFrom" | |
| 20 HREF="sdlcreatergbsurfacefrom.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="sdlgetrgba.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="sdlcreatergbsurfacefrom.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="SDLCREATERGBSURFACE" | |
| 71 >SDL_CreateRGBSurface</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
76 NAME="AEN1389" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_CreateRGBSurface -- Create an empty SDL_Surface</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
84 NAME="AEN1392" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
91 NAME="AEN1393" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >SDL_Surface *<B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_CreateRGBSurface</B | |
| 105 ></CODE | |
| 106 >(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
115 NAME="AEN1399" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Allocate an empty surface (must be called after <A | |
| 121 HREF="sdlsetvideomode.html" | |
| 122 >SDL_SetVideoMode</A | |
| 123 >)</P | |
| 124 ><P | |
| 125 >If <TT | |
| 126 CLASS="PARAMETER" | |
| 127 ><I | |
| 128 >depth</I | |
| 129 ></TT | |
| 130 > is 8 bits an empty palette is allocated for the surface, otherwise a 'packed-pixel' <A | |
| 131 HREF="sdlpixelformat.html" | |
| 132 ><SPAN | |
| 133 CLASS="STRUCTNAME" | |
| 134 >SDL_PixelFormat</SPAN | |
| 135 ></A | |
| 136 > is created using the <TT | |
| 137 CLASS="PARAMETER" | |
| 138 ><I | |
| 139 >[RGBA]mask</I | |
| 140 ></TT | |
| 141 >'s provided (see <A | |
| 142 HREF="sdlpixelformat.html" | |
| 143 ><SPAN | |
| 144 CLASS="STRUCTNAME" | |
| 145 >SDL_PixelFormat</SPAN | |
| 146 ></A | |
| 147 >). The <TT | |
| 148 CLASS="PARAMETER" | |
| 149 ><I | |
| 150 >flags</I | |
| 151 ></TT | |
| 152 > specifies the type of surface that should be created, it is an OR'd combination of the following possible values.</P | |
| 153 ><DIV | |
| 154 CLASS="INFORMALTABLE" | |
| 155 ><A | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
156 NAME="AEN1411" |
| 0 | 157 ></A |
| 158 ><P | |
| 159 ></P | |
| 160 ><TABLE | |
| 161 BORDER="1" | |
| 162 CLASS="CALSTABLE" | |
| 163 ><TBODY | |
| 164 ><TR | |
| 165 ><TD | |
| 166 ALIGN="LEFT" | |
| 167 VALIGN="TOP" | |
| 168 ><TT | |
| 169 CLASS="LITERAL" | |
| 170 >SDL_SWSURFACE</TT | |
| 171 ></TD | |
| 172 ><TD | |
| 173 ALIGN="LEFT" | |
| 174 VALIGN="TOP" | |
| 175 >SDL will create the surface in system memory. This improves the performance of pixel level access, however you may not be able to take advantage of some types of hardware blitting.</TD | |
| 176 ></TR | |
| 177 ><TR | |
| 178 ><TD | |
| 179 ALIGN="LEFT" | |
| 180 VALIGN="TOP" | |
| 181 ><TT | |
| 182 CLASS="LITERAL" | |
| 183 >SDL_HWSURFACE</TT | |
| 184 ></TD | |
| 185 ><TD | |
| 186 ALIGN="LEFT" | |
| 187 VALIGN="TOP" | |
| 188 >SDL will attempt to create the surface in video memory. This will allow SDL to take advantage of Video->Video blits (which are often accelerated).</TD | |
| 189 ></TR | |
| 190 ><TR | |
| 191 ><TD | |
| 192 ALIGN="LEFT" | |
| 193 VALIGN="TOP" | |
| 194 ><TT | |
| 195 CLASS="LITERAL" | |
| 196 >SDL_SRCCOLORKEY</TT | |
| 197 ></TD | |
| 198 ><TD | |
| 199 ALIGN="LEFT" | |
| 200 VALIGN="TOP" | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
201 >This flag turns on colourkeying for blits from this surface. If |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
202 <TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
203 CLASS="LITERAL" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
204 >SDL_HWSURFACE</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
205 > is also specified and colourkeyed blits |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
206 are hardware-accelerated, then SDL will attempt to place the surface in |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
207 video memory. |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
208 Use <A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
209 HREF="sdlsetcolorkey.html" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
210 ><TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
211 CLASS="FUNCTION" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
212 >SDL_SetColorKey</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
213 ></A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
214 > |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
215 to set or clear this flag after surface creation.</TD |
| 0 | 216 ></TR |
| 217 ><TR | |
| 218 ><TD | |
| 219 ALIGN="LEFT" | |
| 220 VALIGN="TOP" | |
| 221 ><TT | |
| 222 CLASS="LITERAL" | |
| 223 >SDL_SRCALPHA</TT | |
| 224 ></TD | |
| 225 ><TD | |
| 226 ALIGN="LEFT" | |
| 227 VALIGN="TOP" | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
228 >This flag turns on alpha-blending for blits from this surface. If |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
229 <TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
230 CLASS="LITERAL" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
231 >SDL_HWSURFACE</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
232 > is also specified and alpha-blending blits |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
233 are hardware-accelerated, then the surface will be placed in video memory if |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
234 possible. |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
235 Use <A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
236 HREF="sdlsetalpha.html" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
237 ><TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
238 CLASS="FUNCTION" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
239 >SDL_SetAlpha</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
240 ></A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
241 > to |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
242 set or clear this flag after surface creation.</TD |
| 0 | 243 ></TR |
| 244 ></TBODY | |
| 245 ></TABLE | |
| 246 ><P | |
| 247 ></P | |
| 248 ></DIV | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
249 ><DIV |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
250 CLASS="NOTE" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
251 ><BLOCKQUOTE |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
252 CLASS="NOTE" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
253 ><P |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
254 ><B |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
255 >Note: </B |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
256 >If an alpha-channel is specified (that is, if <TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
257 CLASS="PARAMETER" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
258 ><I |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
259 >Amask</I |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
260 ></TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
261 > is |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
262 nonzero), then the <TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
263 CLASS="LITERAL" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
264 >SDL_SRCALPHA</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
265 > flag is automatically |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
266 set. You may remove this flag by calling |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
267 <A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
268 HREF="sdlsetalpha.html" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
269 ><TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
270 CLASS="FUNCTION" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
271 >SDL_SetAlpha</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
272 ></A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
273 > |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
274 after surface creation.</P |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
275 ></BLOCKQUOTE |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
276 ></DIV |
| 0 | 277 ></DIV |
| 278 ><DIV | |
| 279 CLASS="REFSECT1" | |
| 280 ><A | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
281 NAME="AEN1442" |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
282 ></A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
283 ><H2 |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
284 >Return Value</H2 |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
285 ><P |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
286 >Returns the created surface, or <SPAN |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
287 CLASS="RETURNVALUE" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
288 >NULL</SPAN |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
289 > upon error.</P |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
290 ></DIV |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
291 ><DIV |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
292 CLASS="REFSECT1" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
293 ><A |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
294 NAME="AEN1446" |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
295 ></A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
296 ><H2 |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
297 >Example</H2 |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
298 ><PRE |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
299 CLASS="PROGRAMLISTING" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
300 > /* Create a 32-bit surface with the bytes of each pixel in R,G,B,A order, |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
301 as expected by OpenGL for textures */ |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
302 SDL_Surface *surface; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
303 Uint32 rmask, gmask, bmask, amask; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
304 |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
305 /* SDL interprets each pixel as a 32-bit number, so our masks must depend |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
306 on the endianness (byte order) of the machine */ |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
307 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
308 rmask = 0xff000000; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
309 gmask = 0x00ff0000; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
310 bmask = 0x0000ff00; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
311 amask = 0x000000ff; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
312 #else |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
313 rmask = 0x000000ff; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
314 gmask = 0x0000ff00; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
315 bmask = 0x00ff0000; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
316 amask = 0xff000000; |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
317 #endif |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
318 |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
319 surface = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
320 rmask, gmask, bmask, amask); |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
321 if(surface == NULL) { |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
322 fprintf(stderr, "CreateRGBSurface failed: %s\n", SDL_GetError()); |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
323 exit(1); |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
324 }</PRE |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
325 ></DIV |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
326 ><DIV |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
327 CLASS="REFSECT1" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
328 ><A |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
329 NAME="AEN1449" |
| 0 | 330 ></A |
| 331 ><H2 | |
| 332 >See Also</H2 | |
| 333 ><P | |
| 334 ><A | |
| 335 HREF="sdlcreatergbsurfacefrom.html" | |
| 336 ><TT | |
| 337 CLASS="FUNCTION" | |
| 338 >SDL_CreateRGBSurfaceFrom</TT | |
| 339 ></A | |
| 340 >, | |
| 341 <A | |
| 342 HREF="sdlfreesurface.html" | |
| 343 ><TT | |
| 344 CLASS="FUNCTION" | |
| 345 >SDL_FreeSurface</TT | |
| 346 ></A | |
| 347 >, | |
| 348 <A | |
| 349 HREF="sdlsetvideomode.html" | |
| 350 ><TT | |
| 351 CLASS="FUNCTION" | |
| 352 >SDL_SetVideoMode</TT | |
| 353 ></A | |
| 354 >, | |
| 355 <A | |
| 356 HREF="sdllocksurface.html" | |
| 357 ><TT | |
| 358 CLASS="FUNCTION" | |
| 359 >SDL_LockSurface</TT | |
| 360 ></A | |
| 361 >, | |
| 362 <A | |
| 363 HREF="sdlpixelformat.html" | |
| 364 ><SPAN | |
| 365 CLASS="STRUCTNAME" | |
| 366 >SDL_PixelFormat</SPAN | |
| 367 ></A | |
| 368 >, | |
| 369 <A | |
| 370 HREF="sdlsurface.html" | |
| 371 ><SPAN | |
| 372 CLASS="STRUCTNAME" | |
| 373 >SDL_Surface</SPAN | |
| 374 ></A | |
|
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
375 > |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
376 <A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
377 HREF="sdlsetalpha.html" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
378 ><TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
379 CLASS="FUNCTION" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
380 >SDL_SetAlpha</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
381 ></A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
382 > |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
383 <A |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
384 HREF="sdlsetcolorkey.html" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
385 ><TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
386 CLASS="FUNCTION" |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
387 >SDL_SetColorKey</TT |
|
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
388 ></A |
| 0 | 389 ></P |
| 390 ></DIV | |
| 391 ><DIV | |
| 392 CLASS="NAVFOOTER" | |
| 393 ><HR | |
| 394 ALIGN="LEFT" | |
| 395 WIDTH="100%"><TABLE | |
| 396 WIDTH="100%" | |
| 397 BORDER="0" | |
| 398 CELLPADDING="0" | |
| 399 CELLSPACING="0" | |
| 400 ><TR | |
| 401 ><TD | |
| 402 WIDTH="33%" | |
| 403 ALIGN="left" | |
| 404 VALIGN="top" | |
| 405 ><A | |
| 406 HREF="sdlgetrgba.html" | |
| 407 >Prev</A | |
| 408 ></TD | |
| 409 ><TD | |
| 410 WIDTH="34%" | |
| 411 ALIGN="center" | |
| 412 VALIGN="top" | |
| 413 ><A | |
| 414 HREF="index.html" | |
| 415 >Home</A | |
| 416 ></TD | |
| 417 ><TD | |
| 418 WIDTH="33%" | |
| 419 ALIGN="right" | |
| 420 VALIGN="top" | |
| 421 ><A | |
| 422 HREF="sdlcreatergbsurfacefrom.html" | |
| 423 >Next</A | |
| 424 ></TD | |
| 425 ></TR | |
| 426 ><TR | |
| 427 ><TD | |
| 428 WIDTH="33%" | |
| 429 ALIGN="left" | |
| 430 VALIGN="top" | |
| 431 >SDL_GetRGBA</TD | |
| 432 ><TD | |
| 433 WIDTH="34%" | |
| 434 ALIGN="center" | |
| 435 VALIGN="top" | |
| 436 ><A | |
| 437 HREF="video.html" | |
| 438 >Up</A | |
| 439 ></TD | |
| 440 ><TD | |
| 441 WIDTH="33%" | |
| 442 ALIGN="right" | |
| 443 VALIGN="top" | |
| 444 >SDL_CreateRGBSurfaceFrom</TD | |
| 445 ></TR | |
| 446 ></TABLE | |
| 447 ></DIV | |
| 448 ></BODY | |
| 449 ></HTML | |
| 450 > |