Mercurial > sdl-ios-xcode
annotate docs/html/sdlsetcliprect.html @ 4288:4ab46e81d08e SDL-1.2
Default value for SGI swap control GL attribute should be -1.
Explicitly try to set it if you want a different value. Different glX
implementations appear to have different defaults for this, and you can't
query them for the current value.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sat, 10 Oct 2009 05:17:47 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_SetClipRect</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_SetAlpha" | |
17 HREF="sdlsetalpha.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_GetClipRect" | |
20 HREF="sdlgetcliprect.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="sdlsetalpha.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="sdlgetcliprect.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="SDLSETCLIPRECT" | |
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74 ></A |
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75 >SDL_SetClipRect</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN2199" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_SetClipRect -- Sets the clipping rectangle for a surface.</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN2202" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN2203" |
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 >void <B | |
106 CLASS="FSFUNC" | |
107 >SDL_SetClipRect</B | |
108 ></CODE | |
109 >(SDL_Surface *surface, SDL_Rect *rect);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN2209" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >Sets the clipping rectangle for a surface. When this surface is the | |
124 destination of a blit, only the area within the clip rectangle will be | |
125 drawn into.</P | |
126 ><P | |
127 >The rectangle pointed to by <TT | |
128 CLASS="PARAMETER" | |
129 ><I | |
130 >rect</I | |
131 ></TT | |
132 > will be | |
133 clipped to the edges of the surface so that the clip rectangle for a | |
134 surface can never fall outside the edges of the surface.</P | |
135 ><P | |
136 >If <TT | |
137 CLASS="PARAMETER" | |
138 ><I | |
139 >rect</I | |
140 ></TT | |
141 > is <TT | |
142 CLASS="LITERAL" | |
143 >NULL</TT | |
144 > the clipping | |
145 rectangle will be set to the full size of the surface.</P | |
146 ></DIV | |
147 ><DIV | |
148 CLASS="REFSECT1" | |
149 ><A | |
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150 NAME="AEN2217" |
0 | 151 ></A |
152 ><H2 | |
153 >See Also</H2 | |
154 ><P | |
155 ><A | |
156 HREF="sdlgetcliprect.html" | |
157 ><TT | |
158 CLASS="FUNCTION" | |
159 >SDL_GetClipRect</TT | |
160 ></A | |
161 >, | |
162 <A | |
163 HREF="sdlblitsurface.html" | |
164 ><TT | |
165 CLASS="FUNCTION" | |
166 >SDL_BlitSurface</TT | |
167 ></A | |
168 >, | |
169 <A | |
170 HREF="sdlsurface.html" | |
171 ><SPAN | |
172 CLASS="STRUCTNAME" | |
173 >SDL_Surface</SPAN | |
174 ></A | |
175 ></P | |
176 ></DIV | |
177 ><DIV | |
178 CLASS="NAVFOOTER" | |
179 ><HR | |
180 ALIGN="LEFT" | |
181 WIDTH="100%"><TABLE | |
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182 SUMMARY="Footer navigation table" |
0 | 183 WIDTH="100%" |
184 BORDER="0" | |
185 CELLPADDING="0" | |
186 CELLSPACING="0" | |
187 ><TR | |
188 ><TD | |
189 WIDTH="33%" | |
190 ALIGN="left" | |
191 VALIGN="top" | |
192 ><A | |
193 HREF="sdlsetalpha.html" | |
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194 ACCESSKEY="P" |
0 | 195 >Prev</A |
196 ></TD | |
197 ><TD | |
198 WIDTH="34%" | |
199 ALIGN="center" | |
200 VALIGN="top" | |
201 ><A | |
202 HREF="index.html" | |
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203 ACCESSKEY="H" |
0 | 204 >Home</A |
205 ></TD | |
206 ><TD | |
207 WIDTH="33%" | |
208 ALIGN="right" | |
209 VALIGN="top" | |
210 ><A | |
211 HREF="sdlgetcliprect.html" | |
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212 ACCESSKEY="N" |
0 | 213 >Next</A |
214 ></TD | |
215 ></TR | |
216 ><TR | |
217 ><TD | |
218 WIDTH="33%" | |
219 ALIGN="left" | |
220 VALIGN="top" | |
221 >SDL_SetAlpha</TD | |
222 ><TD | |
223 WIDTH="34%" | |
224 ALIGN="center" | |
225 VALIGN="top" | |
226 ><A | |
227 HREF="video.html" | |
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228 ACCESSKEY="U" |
0 | 229 >Up</A |
230 ></TD | |
231 ><TD | |
232 WIDTH="33%" | |
233 ALIGN="right" | |
234 VALIGN="top" | |
235 >SDL_GetClipRect</TD | |
236 ></TR | |
237 ></TABLE | |
238 ></DIV | |
239 ></BODY | |
240 ></HTML | |
241 > |