Mercurial > sdl-ios-xcode
annotate docs/html/sdlupdaterects.html @ 315:3333b6e68289
Date: Sat, 23 Mar 2002 13:53:37 +0200
From: "Mike Gorchak" <mike@malva.ua>
Subject: Big QNX patch again.
Added 8bit palette emulation code for window mode with bpp>=15.
Added store/restore original palette for 8bit modes.
Added more information about photon API call fails.
Rewroten change palette code, slow but works.
Fixed bug with set caption before window was inited.
Fixed bugs with some initial state of variables.
Fixed bug with storing old video mode settings.
Fixed bug with switching to fullscreen mode and back.
Fixed few double SEGFAULTS during parachute mode.
Removed compilation warning with no PgWaitHWIdle prototype.
Removed pack of dead unusable code.
Cleanups SDL_PrivateVideoData structure, some headers.
Some code formatting.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 23 Mar 2002 20:19:44 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_UpdateRects</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_UpdateRect" | |
17 HREF="sdlupdaterect.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_Flip" | |
20 HREF="sdlflip.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="sdlupdaterect.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="sdlflip.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="SDLUPDATERECTS" | |
71 >SDL_UpdateRects</A | |
72 ></H1 | |
73 ><DIV | |
74 CLASS="REFNAMEDIV" | |
75 ><A | |
181
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76 NAME="AEN1008" |
0 | 77 ></A |
78 ><H2 | |
79 >Name</H2 | |
80 >SDL_UpdateRects -- Makes sure the given list of rectangles is updated on the given screen.</DIV | |
81 ><DIV | |
82 CLASS="REFSYNOPSISDIV" | |
83 ><A | |
181
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84 NAME="AEN1011" |
0 | 85 ></A |
86 ><H2 | |
87 >Synopsis</H2 | |
88 ><DIV | |
89 CLASS="FUNCSYNOPSIS" | |
90 ><A | |
181
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91 NAME="AEN1012" |
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 >void <B | |
103 CLASS="FSFUNC" | |
104 >SDL_UpdateRects</B | |
105 ></CODE | |
106 >(SDL_Surface *screen, int numrects, SDL_Rect *rects);</CODE | |
107 ></P | |
108 ><P | |
109 ></P | |
110 ></DIV | |
111 ></DIV | |
112 ><DIV | |
113 CLASS="REFSECT1" | |
114 ><A | |
181
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115 NAME="AEN1018" |
0 | 116 ></A |
117 ><H2 | |
118 >Description</H2 | |
119 ><P | |
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120 >Makes sure the given list of rectangles is updated on the given screen. |
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121 The rectangles must all be confined within the screen boundaries (no |
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122 clipping is done).</P |
0 | 123 ><P |
124 >This function should not be called while <TT | |
125 CLASS="PARAMETER" | |
126 ><I | |
127 >screen</I | |
128 ></TT | |
129 > is | |
130 <A | |
131 HREF="sdllocksurface.html" | |
132 >locked</A | |
55
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133 >.</P |
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134 ><DIV |
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135 CLASS="NOTE" |
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136 ><BLOCKQUOTE |
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137 CLASS="NOTE" |
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138 ><P |
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139 ><B |
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140 >Note: </B |
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141 >It is adviced to call this function only once per frame, since each |
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142 call has some processing overhead. This is no restriction since you |
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143 can pass any number of rectangles each time.</P |
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144 ><P |
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145 >The rectangles are not automatically merged or checked for overlap. In |
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146 general, the programmer can use his knowledge about his particular |
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147 rectangles to merge them in an efficient way, to avoid overdraw.</P |
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148 ></BLOCKQUOTE |
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149 ></DIV |
0 | 150 ></DIV |
151 ><DIV | |
152 CLASS="REFSECT1" | |
153 ><A | |
181
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154 NAME="AEN1027" |
0 | 155 ></A |
156 ><H2 | |
157 >See Also</H2 | |
158 ><P | |
159 ><A | |
160 HREF="sdlupdaterect.html" | |
161 ><TT | |
162 CLASS="FUNCTION" | |
163 >SDL_UpdateRect</TT | |
164 ></A | |
165 >, | |
166 <A | |
167 HREF="sdlrect.html" | |
168 ><SPAN | |
169 CLASS="STRUCTNAME" | |
170 >SDL_Rect</SPAN | |
171 ></A | |
172 >, | |
173 <A | |
174 HREF="sdlsurface.html" | |
175 ><SPAN | |
176 CLASS="STRUCTNAME" | |
177 >SDL_Surface</SPAN | |
178 ></A | |
179 >, | |
180 <A | |
181 HREF="sdllocksurface.html" | |
182 ><TT | |
183 CLASS="FUNCTION" | |
184 >SDL_LockSurface</TT | |
185 ></A | |
186 ></P | |
187 ></DIV | |
188 ><DIV | |
189 CLASS="NAVFOOTER" | |
190 ><HR | |
191 ALIGN="LEFT" | |
192 WIDTH="100%"><TABLE | |
193 WIDTH="100%" | |
194 BORDER="0" | |
195 CELLPADDING="0" | |
196 CELLSPACING="0" | |
197 ><TR | |
198 ><TD | |
199 WIDTH="33%" | |
200 ALIGN="left" | |
201 VALIGN="top" | |
202 ><A | |
203 HREF="sdlupdaterect.html" | |
204 >Prev</A | |
205 ></TD | |
206 ><TD | |
207 WIDTH="34%" | |
208 ALIGN="center" | |
209 VALIGN="top" | |
210 ><A | |
211 HREF="index.html" | |
212 >Home</A | |
213 ></TD | |
214 ><TD | |
215 WIDTH="33%" | |
216 ALIGN="right" | |
217 VALIGN="top" | |
218 ><A | |
219 HREF="sdlflip.html" | |
220 >Next</A | |
221 ></TD | |
222 ></TR | |
223 ><TR | |
224 ><TD | |
225 WIDTH="33%" | |
226 ALIGN="left" | |
227 VALIGN="top" | |
228 >SDL_UpdateRect</TD | |
229 ><TD | |
230 WIDTH="34%" | |
231 ALIGN="center" | |
232 VALIGN="top" | |
233 ><A | |
234 HREF="video.html" | |
235 >Up</A | |
236 ></TD | |
237 ><TD | |
238 WIDTH="33%" | |
239 ALIGN="right" | |
240 VALIGN="top" | |
241 >SDL_Flip</TD | |
242 ></TR | |
243 ></TABLE | |
244 ></DIV | |
245 ></BODY | |
246 ></HTML | |
247 > |