Mercurial > sdl-ios-xcode
annotate docs/html/sdllockyuvoverlay.html @ 2912:1d50666ed3d5
Fixed clipping source rect to match destination rect clipping
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 23 Dec 2008 04:51:36 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_LockYUVOverlay</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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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_CreateYUVOverlay" | |
17 HREF="sdlcreateyuvoverlay.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_UnlockYUVOverlay" | |
20 HREF="sdlunlockyuvoverlay.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 | |
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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="sdlcreateyuvoverlay.html" | |
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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="sdlunlockyuvoverlay.html" | |
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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="SDLLOCKYUVOVERLAY" | |
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74 ></A |
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75 >SDL_LockYUVOverlay</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN2844" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_LockYUVOverlay -- Lock an overlay</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN2847" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN2848" |
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 >int <B | |
106 CLASS="FSFUNC" | |
107 >SDL_LockYUVOverlay</B | |
108 ></CODE | |
109 >(SDL_Overlay *overlay);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN2854" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >Much the same as <A | |
124 HREF="sdllocksurface.html" | |
125 ><TT | |
126 CLASS="FUNCTION" | |
127 >SDL_LockSurface</TT | |
128 ></A | |
129 >, <TT | |
130 CLASS="FUNCTION" | |
131 >SDL_LockYUVOverlay</TT | |
132 > locks the <A | |
133 HREF="sdloverlay.html" | |
134 ><TT | |
135 CLASS="PARAMETER" | |
136 ><I | |
137 >overlay</I | |
138 ></TT | |
139 ></A | |
140 > for direct access to pixel data.</P | |
141 ></DIV | |
142 ><DIV | |
143 CLASS="REFSECT1" | |
144 ><A | |
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145 NAME="AEN2862" |
0 | 146 ></A |
147 ><H2 | |
148 >Return Value</H2 | |
149 ><P | |
150 >Returns <SPAN | |
151 CLASS="RETURNVALUE" | |
152 >0</SPAN | |
153 > on success, or <SPAN | |
154 CLASS="RETURNVALUE" | |
155 >-1</SPAN | |
156 > on an error.</P | |
157 ></DIV | |
158 ><DIV | |
159 CLASS="REFSECT1" | |
160 ><A | |
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161 NAME="AEN2867" |
0 | 162 ></A |
163 ><H2 | |
164 >See Also</H2 | |
165 ><P | |
166 ><A | |
167 HREF="sdlunlockyuvoverlay.html" | |
168 ><TT | |
169 CLASS="FUNCTION" | |
170 >SDL_UnlockYUVOverlay</TT | |
171 ></A | |
172 >, | |
173 <A | |
174 HREF="sdlcreateyuvoverlay.html" | |
175 ><TT | |
176 CLASS="FUNCTION" | |
177 >SDL_CreateYUVOverlay</TT | |
178 ></A | |
179 >, | |
180 <A | |
181 HREF="sdloverlay.html" | |
182 ><SPAN | |
183 CLASS="STRUCTNAME" | |
184 >SDL_Overlay</SPAN | |
185 ></A | |
186 ></P | |
187 ></DIV | |
188 ><DIV | |
189 CLASS="NAVFOOTER" | |
190 ><HR | |
191 ALIGN="LEFT" | |
192 WIDTH="100%"><TABLE | |
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193 SUMMARY="Footer navigation table" |
0 | 194 WIDTH="100%" |
195 BORDER="0" | |
196 CELLPADDING="0" | |
197 CELLSPACING="0" | |
198 ><TR | |
199 ><TD | |
200 WIDTH="33%" | |
201 ALIGN="left" | |
202 VALIGN="top" | |
203 ><A | |
204 HREF="sdlcreateyuvoverlay.html" | |
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205 ACCESSKEY="P" |
0 | 206 >Prev</A |
207 ></TD | |
208 ><TD | |
209 WIDTH="34%" | |
210 ALIGN="center" | |
211 VALIGN="top" | |
212 ><A | |
213 HREF="index.html" | |
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214 ACCESSKEY="H" |
0 | 215 >Home</A |
216 ></TD | |
217 ><TD | |
218 WIDTH="33%" | |
219 ALIGN="right" | |
220 VALIGN="top" | |
221 ><A | |
222 HREF="sdlunlockyuvoverlay.html" | |
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223 ACCESSKEY="N" |
0 | 224 >Next</A |
225 ></TD | |
226 ></TR | |
227 ><TR | |
228 ><TD | |
229 WIDTH="33%" | |
230 ALIGN="left" | |
231 VALIGN="top" | |
232 >SDL_CreateYUVOverlay</TD | |
233 ><TD | |
234 WIDTH="34%" | |
235 ALIGN="center" | |
236 VALIGN="top" | |
237 ><A | |
238 HREF="video.html" | |
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239 ACCESSKEY="U" |
0 | 240 >Up</A |
241 ></TD | |
242 ><TD | |
243 WIDTH="33%" | |
244 ALIGN="right" | |
245 VALIGN="top" | |
246 >SDL_UnlockYUVOverlay</TD | |
247 ></TR | |
248 ></TABLE | |
249 ></DIV | |
250 ></BODY | |
251 ></HTML | |
252 > |