Skip to content

Latest commit

 

History

History
266 lines (266 loc) · 3.28 KB

sdlupdaterect.html

File metadata and controls

266 lines (266 loc) · 3.28 KB
 
1
2
3
4
5
6
<HTML
><HEAD
><TITLE
>SDL_UpdateRect</TITLE
><META
NAME="GENERATOR"
7
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="Video"
HREF="video.html"><LINK
REL="PREVIOUS"
TITLE="SDL_SetVideoMode"
HREF="sdlsetvideomode.html"><LINK
REL="NEXT"
TITLE="SDL_UpdateRects"
HREF="sdlupdaterects.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
><TABLE
31
SUMMARY="Header navigation table"
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>SDL Library Documentation</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="sdlsetvideomode.html"
50
51
52
53
54
55
56
57
58
59
60
61
62
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="sdlupdaterects.html"
64
65
66
67
68
69
70
71
72
73
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLUPDATERECT"
74
75
></A
>SDL_UpdateRect</H1
76
77
78
><DIV
CLASS="REFNAMEDIV"
><A
80
81
82
83
84
85
86
></A
><H2
>Name</H2
>SDL_UpdateRect&nbsp;--&nbsp;Makes sure the given area is updated on the given screen.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
88
89
90
91
92
93
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_UpdateRect</B
></CODE
>(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
119
120
121
122
></A
><H2
>Description</H2
><P
123
124
>Makes sure the given area is updated on the given screen. The rectangle must
be confined within the screen boundaries (no clipping is done).</P
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
><P
>If '<TT
CLASS="PARAMETER"
><I
>x</I
></TT
>', '<TT
CLASS="PARAMETER"
><I
>y</I
></TT
>', '<TT
CLASS="PARAMETER"
><I
>w</I
></TT
>'
and '<TT
CLASS="PARAMETER"
><I
>h</I
></TT
>' are all 0,
<TT
CLASS="FUNCTION"
>SDL_UpdateRect</TT
> will update the
entire screen.</P
><P
>This function should not be called while '<TT
CLASS="PARAMETER"
><I
>screen</I
></TT
>' is
<A
HREF="sdllocksurface.html"
>locked</A
>.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
></A
><H2
>See Also</H2
><P
><A
HREF="sdlupdaterects.html"
><TT
CLASS="FUNCTION"
>SDL_UpdateRects</TT
></A
>,
<A
HREF="sdlrect.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Rect</SPAN
></A
>,
<A
HREF="sdlsurface.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Surface</SPAN
></A
>,
<A
HREF="sdllocksurface.html"
><TT
CLASS="FUNCTION"
>SDL_LockSurface</TT
></A
></P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
207
SUMMARY="Footer navigation table"
208
209
210
211
212
213
214
215
216
217
218
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="sdlsetvideomode.html"
220
221
222
223
224
225
226
227
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
229
230
231
232
233
234
235
236
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="sdlupdaterects.html"
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SDL_SetVideoMode</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="video.html"
254
255
256
257
258
259
260
261
262
263
264
265
266
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>SDL_UpdateRects</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>