tune the preloads a bit
[sdl_omap.git] / docs / html / sdlupdaterect.html
1 <HTML
2 ><HEAD
3 ><TITLE
4 >SDL_UpdateRect</TITLE
5 ><META
6 NAME="GENERATOR"
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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_SetVideoMode"
17 HREF="sdlsetvideomode.html"><LINK
18 REL="NEXT"
19 TITLE="SDL_UpdateRects"
20 HREF="sdlupdaterects.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 SUMMARY="Header navigation table"
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="sdlsetvideomode.html"
49 ACCESSKEY="P"
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="sdlupdaterects.html"
63 ACCESSKEY="N"
64 >Next</A
65 ></TD
66 ></TR
67 ></TABLE
68 ><HR
69 ALIGN="LEFT"
70 WIDTH="100%"></DIV
71 ><H1
72 ><A
73 NAME="SDLUPDATERECT"
74 ></A
75 >SDL_UpdateRect</H1
76 ><DIV
77 CLASS="REFNAMEDIV"
78 ><A
79 NAME="AEN1355"
80 ></A
81 ><H2
82 >Name</H2
83 >SDL_UpdateRect&nbsp;--&nbsp;Makes sure the given area is updated on the given screen.</DIV
84 ><DIV
85 CLASS="REFSYNOPSISDIV"
86 ><A
87 NAME="AEN1358"
88 ></A
89 ><H2
90 >Synopsis</H2
91 ><DIV
92 CLASS="FUNCSYNOPSIS"
93 ><A
94 NAME="AEN1359"
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 >void <B
106 CLASS="FSFUNC"
107 >SDL_UpdateRect</B
108 ></CODE
109 >(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h);</CODE
110 ></P
111 ><P
112 ></P
113 ></DIV
114 ></DIV
115 ><DIV
116 CLASS="REFSECT1"
117 ><A
118 NAME="AEN1365"
119 ></A
120 ><H2
121 >Description</H2
122 ><P
123 >Makes sure the given area is updated on the given screen. The rectangle must
124 be confined within the screen boundaries (no clipping is done).</P
125 ><P
126 >If '<TT
127 CLASS="PARAMETER"
128 ><I
129 >x</I
130 ></TT
131 >', '<TT
132 CLASS="PARAMETER"
133 ><I
134 >y</I
135 ></TT
136 >', '<TT
137 CLASS="PARAMETER"
138 ><I
139 >w</I
140 ></TT
141 >'
142 and '<TT
143 CLASS="PARAMETER"
144 ><I
145 >h</I
146 ></TT
147 >' are all 0,
148 <TT
149 CLASS="FUNCTION"
150 >SDL_UpdateRect</TT
151 > will update the
152 entire screen.</P
153 ><P
154 >This function should not be called while '<TT
155 CLASS="PARAMETER"
156 ><I
157 >screen</I
158 ></TT
159 >' is
160 <A
161 HREF="sdllocksurface.html"
162 >locked</A
163 >.</P
164 ></DIV
165 ><DIV
166 CLASS="REFSECT1"
167 ><A
168 NAME="AEN1377"
169 ></A
170 ><H2
171 >See Also</H2
172 ><P
173 ><A
174 HREF="sdlupdaterects.html"
175 ><TT
176 CLASS="FUNCTION"
177 >SDL_UpdateRects</TT
178 ></A
179 >,
180 <A
181 HREF="sdlrect.html"
182 ><SPAN
183 CLASS="STRUCTNAME"
184 >SDL_Rect</SPAN
185 ></A
186 >,
187 <A
188 HREF="sdlsurface.html"
189 ><SPAN
190 CLASS="STRUCTNAME"
191 >SDL_Surface</SPAN
192 ></A
193 >,
194 <A
195 HREF="sdllocksurface.html"
196 ><TT
197 CLASS="FUNCTION"
198 >SDL_LockSurface</TT
199 ></A
200 ></P
201 ></DIV
202 ><DIV
203 CLASS="NAVFOOTER"
204 ><HR
205 ALIGN="LEFT"
206 WIDTH="100%"><TABLE
207 SUMMARY="Footer navigation table"
208 WIDTH="100%"
209 BORDER="0"
210 CELLPADDING="0"
211 CELLSPACING="0"
212 ><TR
213 ><TD
214 WIDTH="33%"
215 ALIGN="left"
216 VALIGN="top"
217 ><A
218 HREF="sdlsetvideomode.html"
219 ACCESSKEY="P"
220 >Prev</A
221 ></TD
222 ><TD
223 WIDTH="34%"
224 ALIGN="center"
225 VALIGN="top"
226 ><A
227 HREF="index.html"
228 ACCESSKEY="H"
229 >Home</A
230 ></TD
231 ><TD
232 WIDTH="33%"
233 ALIGN="right"
234 VALIGN="top"
235 ><A
236 HREF="sdlupdaterects.html"
237 ACCESSKEY="N"
238 >Next</A
239 ></TD
240 ></TR
241 ><TR
242 ><TD
243 WIDTH="33%"
244 ALIGN="left"
245 VALIGN="top"
246 >SDL_SetVideoMode</TD
247 ><TD
248 WIDTH="34%"
249 ALIGN="center"
250 VALIGN="top"
251 ><A
252 HREF="video.html"
253 ACCESSKEY="U"
254 >Up</A
255 ></TD
256 ><TD
257 WIDTH="33%"
258 ALIGN="right"
259 VALIGN="top"
260 >SDL_UpdateRects</TD
261 ></TR
262 ></TABLE
263 ></DIV
264 ></BODY
265 ></HTML
266 >