e14743d1 |
1 | <HTML |
2 | ><HEAD |
3 | ><TITLE |
4 | >SDL_LockYUVOverlay</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_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 |
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="sdlcreateyuvoverlay.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="sdlunlockyuvoverlay.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="SDLLOCKYUVOVERLAY" |
74 | ></A |
75 | >SDL_LockYUVOverlay</H1 |
76 | ><DIV |
77 | CLASS="REFNAMEDIV" |
78 | ><A |
79 | NAME="AEN2844" |
80 | ></A |
81 | ><H2 |
82 | >Name</H2 |
83 | >SDL_LockYUVOverlay -- Lock an overlay</DIV |
84 | ><DIV |
85 | CLASS="REFSYNOPSISDIV" |
86 | ><A |
87 | NAME="AEN2847" |
88 | ></A |
89 | ><H2 |
90 | >Synopsis</H2 |
91 | ><DIV |
92 | CLASS="FUNCSYNOPSIS" |
93 | ><A |
94 | NAME="AEN2848" |
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 |
118 | NAME="AEN2854" |
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 |
145 | NAME="AEN2862" |
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 |
161 | NAME="AEN2867" |
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 |
193 | SUMMARY="Footer navigation table" |
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" |
205 | ACCESSKEY="P" |
206 | >Prev</A |
207 | ></TD |
208 | ><TD |
209 | WIDTH="34%" |
210 | ALIGN="center" |
211 | VALIGN="top" |
212 | ><A |
213 | HREF="index.html" |
214 | ACCESSKEY="H" |
215 | >Home</A |
216 | ></TD |
217 | ><TD |
218 | WIDTH="33%" |
219 | ALIGN="right" |
220 | VALIGN="top" |
221 | ><A |
222 | HREF="sdlunlockyuvoverlay.html" |
223 | ACCESSKEY="N" |
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" |
239 | ACCESSKEY="U" |
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 | > |