Mercurial > sdl-ios-xcode
annotate docs/html/sdlcreatergbsurface.html @ 3274:08574b033f37
Removed outdated Nano-X support
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 19 Sep 2009 07:26:51 +0000 |
parents | 355632dca928 |
children |
rev | line source |
---|---|
0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_CreateRGBSurface</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
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_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 | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
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="sdlgetrgba.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
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="sdlcreatergbsurfacefrom.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
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="SDLCREATERGBSURFACE" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
74 ></A |
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
75 >SDL_CreateRGBSurface</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
79 NAME="AEN1773" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_CreateRGBSurface -- Create an empty SDL_Surface</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
87 NAME="AEN1776" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
94 NAME="AEN1777" |
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 >SDL_Surface *<B | |
106 CLASS="FSFUNC" | |
107 >SDL_CreateRGBSurface</B | |
108 ></CODE | |
109 >(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
118 NAME="AEN1783" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >Allocate an empty surface (must be called after <A | |
124 HREF="sdlsetvideomode.html" | |
125 >SDL_SetVideoMode</A | |
126 >)</P | |
127 ><P | |
128 >If <TT | |
129 CLASS="PARAMETER" | |
130 ><I | |
131 >depth</I | |
132 ></TT | |
133 > is 8 bits an empty palette is allocated for the surface, otherwise a 'packed-pixel' <A | |
134 HREF="sdlpixelformat.html" | |
135 ><SPAN | |
136 CLASS="STRUCTNAME" | |
137 >SDL_PixelFormat</SPAN | |
138 ></A | |
139 > is created using the <TT | |
140 CLASS="PARAMETER" | |
141 ><I | |
142 >[RGBA]mask</I | |
143 ></TT | |
144 >'s provided (see <A | |
145 HREF="sdlpixelformat.html" | |
146 ><SPAN | |
147 CLASS="STRUCTNAME" | |
148 >SDL_PixelFormat</SPAN | |
149 ></A | |
150 >). The <TT | |
151 CLASS="PARAMETER" | |
152 ><I | |
153 >flags</I | |
154 ></TT | |
155 > specifies the type of surface that should be created, it is an OR'd combination of the following possible values.</P | |
156 ><DIV | |
157 CLASS="INFORMALTABLE" | |
158 ><A | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
159 NAME="AEN1795" |
0 | 160 ></A |
161 ><P | |
162 ></P | |
163 ><TABLE | |
164 BORDER="1" | |
165 CLASS="CALSTABLE" | |
166 ><TBODY | |
167 ><TR | |
168 ><TD | |
169 ALIGN="LEFT" | |
170 VALIGN="TOP" | |
171 ><TT | |
172 CLASS="LITERAL" | |
173 >SDL_SWSURFACE</TT | |
174 ></TD | |
175 ><TD | |
176 ALIGN="LEFT" | |
177 VALIGN="TOP" | |
178 >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 | |
179 ></TR | |
180 ><TR | |
181 ><TD | |
182 ALIGN="LEFT" | |
183 VALIGN="TOP" | |
184 ><TT | |
185 CLASS="LITERAL" | |
186 >SDL_HWSURFACE</TT | |
187 ></TD | |
188 ><TD | |
189 ALIGN="LEFT" | |
190 VALIGN="TOP" | |
191 >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 | |
192 ></TR | |
193 ><TR | |
194 ><TD | |
195 ALIGN="LEFT" | |
196 VALIGN="TOP" | |
197 ><TT | |
198 CLASS="LITERAL" | |
199 >SDL_SRCCOLORKEY</TT | |
200 ></TD | |
201 ><TD | |
202 ALIGN="LEFT" | |
203 VALIGN="TOP" | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
204 >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
|
205 <TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
206 CLASS="LITERAL" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
207 >SDL_HWSURFACE</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
208 > is also specified and colourkeyed blits |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
209 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
|
210 video memory. |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
211 Use <A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
212 HREF="sdlsetcolorkey.html" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
213 ><TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
214 CLASS="FUNCTION" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
215 >SDL_SetColorKey</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
216 ></A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
217 > |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
218 to set or clear this flag after surface creation.</TD |
0 | 219 ></TR |
220 ><TR | |
221 ><TD | |
222 ALIGN="LEFT" | |
223 VALIGN="TOP" | |
224 ><TT | |
225 CLASS="LITERAL" | |
226 >SDL_SRCALPHA</TT | |
227 ></TD | |
228 ><TD | |
229 ALIGN="LEFT" | |
230 VALIGN="TOP" | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
231 >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
|
232 <TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
233 CLASS="LITERAL" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
234 >SDL_HWSURFACE</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
235 > 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
|
236 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
|
237 possible. |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
238 Use <A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
239 HREF="sdlsetalpha.html" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
240 ><TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
241 CLASS="FUNCTION" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
242 >SDL_SetAlpha</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
243 ></A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
244 > to |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
245 set or clear this flag after surface creation.</TD |
0 | 246 ></TR |
247 ></TBODY | |
248 ></TABLE | |
249 ><P | |
250 ></P | |
251 ></DIV | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
252 ><DIV |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
253 CLASS="NOTE" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
254 ><BLOCKQUOTE |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
255 CLASS="NOTE" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
256 ><P |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
257 ><B |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
258 >Note: </B |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
259 >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
|
260 CLASS="PARAMETER" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
261 ><I |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
262 >Amask</I |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
263 ></TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
264 > is |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
265 nonzero), then the <TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
266 CLASS="LITERAL" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
267 >SDL_SRCALPHA</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
268 > flag is automatically |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
269 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
|
270 <A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
271 HREF="sdlsetalpha.html" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
272 ><TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
273 CLASS="FUNCTION" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
274 >SDL_SetAlpha</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
275 ></A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
276 > |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
277 after surface creation.</P |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
278 ></BLOCKQUOTE |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
279 ></DIV |
0 | 280 ></DIV |
281 ><DIV | |
282 CLASS="REFSECT1" | |
283 ><A | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
284 NAME="AEN1826" |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
285 ></A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
286 ><H2 |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
287 >Return Value</H2 |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
288 ><P |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
289 >Returns the created surface, or <SPAN |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
290 CLASS="RETURNVALUE" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
291 >NULL</SPAN |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
292 > upon error.</P |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
293 ></DIV |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
294 ><DIV |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
295 CLASS="REFSECT1" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
296 ><A |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
297 NAME="AEN1830" |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
298 ></A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
299 ><H2 |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
300 >Example</H2 |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
301 ><PRE |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
302 CLASS="PROGRAMLISTING" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
303 > /* 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
|
304 as expected by OpenGL for textures */ |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
305 SDL_Surface *surface; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
306 Uint32 rmask, gmask, bmask, amask; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
307 |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
308 /* 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
|
309 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
|
310 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
311 rmask = 0xff000000; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
312 gmask = 0x00ff0000; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
313 bmask = 0x0000ff00; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
314 amask = 0x000000ff; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
315 #else |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
316 rmask = 0x000000ff; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
317 gmask = 0x0000ff00; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
318 bmask = 0x00ff0000; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
319 amask = 0xff000000; |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
320 #endif |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
321 |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
322 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
|
323 rmask, gmask, bmask, amask); |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
324 if(surface == NULL) { |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
325 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
|
326 exit(1); |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
327 }</PRE |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
328 ></DIV |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
329 ><DIV |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
330 CLASS="REFSECT1" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
331 ><A |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
332 NAME="AEN1833" |
0 | 333 ></A |
334 ><H2 | |
335 >See Also</H2 | |
336 ><P | |
337 ><A | |
338 HREF="sdlcreatergbsurfacefrom.html" | |
339 ><TT | |
340 CLASS="FUNCTION" | |
341 >SDL_CreateRGBSurfaceFrom</TT | |
342 ></A | |
343 >, | |
344 <A | |
345 HREF="sdlfreesurface.html" | |
346 ><TT | |
347 CLASS="FUNCTION" | |
348 >SDL_FreeSurface</TT | |
349 ></A | |
350 >, | |
351 <A | |
352 HREF="sdlsetvideomode.html" | |
353 ><TT | |
354 CLASS="FUNCTION" | |
355 >SDL_SetVideoMode</TT | |
356 ></A | |
357 >, | |
358 <A | |
359 HREF="sdllocksurface.html" | |
360 ><TT | |
361 CLASS="FUNCTION" | |
362 >SDL_LockSurface</TT | |
363 ></A | |
364 >, | |
365 <A | |
366 HREF="sdlpixelformat.html" | |
367 ><SPAN | |
368 CLASS="STRUCTNAME" | |
369 >SDL_PixelFormat</SPAN | |
370 ></A | |
371 >, | |
372 <A | |
373 HREF="sdlsurface.html" | |
374 ><SPAN | |
375 CLASS="STRUCTNAME" | |
376 >SDL_Surface</SPAN | |
377 ></A | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
378 > |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
379 <A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
380 HREF="sdlsetalpha.html" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
381 ><TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
382 CLASS="FUNCTION" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
383 >SDL_SetAlpha</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
384 ></A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
385 > |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
386 <A |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
387 HREF="sdlsetcolorkey.html" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
388 ><TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
389 CLASS="FUNCTION" |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
390 >SDL_SetColorKey</TT |
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
391 ></A |
0 | 392 ></P |
393 ></DIV | |
394 ><DIV | |
395 CLASS="NAVFOOTER" | |
396 ><HR | |
397 ALIGN="LEFT" | |
398 WIDTH="100%"><TABLE | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
399 SUMMARY="Footer navigation table" |
0 | 400 WIDTH="100%" |
401 BORDER="0" | |
402 CELLPADDING="0" | |
403 CELLSPACING="0" | |
404 ><TR | |
405 ><TD | |
406 WIDTH="33%" | |
407 ALIGN="left" | |
408 VALIGN="top" | |
409 ><A | |
410 HREF="sdlgetrgba.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
411 ACCESSKEY="P" |
0 | 412 >Prev</A |
413 ></TD | |
414 ><TD | |
415 WIDTH="34%" | |
416 ALIGN="center" | |
417 VALIGN="top" | |
418 ><A | |
419 HREF="index.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
420 ACCESSKEY="H" |
0 | 421 >Home</A |
422 ></TD | |
423 ><TD | |
424 WIDTH="33%" | |
425 ALIGN="right" | |
426 VALIGN="top" | |
427 ><A | |
428 HREF="sdlcreatergbsurfacefrom.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
429 ACCESSKEY="N" |
0 | 430 >Next</A |
431 ></TD | |
432 ></TR | |
433 ><TR | |
434 ><TD | |
435 WIDTH="33%" | |
436 ALIGN="left" | |
437 VALIGN="top" | |
438 >SDL_GetRGBA</TD | |
439 ><TD | |
440 WIDTH="34%" | |
441 ALIGN="center" | |
442 VALIGN="top" | |
443 ><A | |
444 HREF="video.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
|
445 ACCESSKEY="U" |
0 | 446 >Up</A |
447 ></TD | |
448 ><TD | |
449 WIDTH="33%" | |
450 ALIGN="right" | |
451 VALIGN="top" | |
452 >SDL_CreateRGBSurfaceFrom</TD | |
453 ></TR | |
454 ></TABLE | |
455 ></DIV | |
456 ></BODY | |
457 ></HTML | |
458 > |