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  75 >SDL_UpdateRect</H1
  76 ><DIV
  77 CLASS="REFNAMEDIV"
  78 ><A
  79 NAME="AEN1355"
  80 ></A
  81 ><H2
  82 >Name</H2
  83 >SDL_UpdateRect&nbsp;--&nbsp;Makes sure the given area is updated on the given screen.</DIV
  84 ><DIV
  85 CLASS="REFSYNOPSISDIV"
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  87 NAME="AEN1358"
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  90 >Synopsis</H2
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  98 ><PRE
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 100 >#include "SDL.h"</PRE
 101 ><P
 102 ><CODE
 103 ><CODE
 104 CLASS="FUNCDEF"
 105 >void <B
 106 CLASS="FSFUNC"
 107 >SDL_UpdateRect</B
 108 ></CODE
 109 >(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h);</CODE
 110 ></P
 111 ><P
 112 ></P
 113 ></DIV
 114 ></DIV
 115 ><DIV
 116 CLASS="REFSECT1"
 117 ><A
 118 NAME="AEN1365"
 119 ></A
 120 ><H2
 121 >Description</H2
 122 ><P
 123 >Makes sure the given area is updated on the given screen. The rectangle must
 124 be confined within the screen boundaries (no clipping is done).</P
 125 ><P
 126 >If '<TT
 127 CLASS="PARAMETER"
 128 ><I
 129 >x</I
 130 ></TT
 131 >', '<TT
 132 CLASS="PARAMETER"
 133 ><I
 134 >y</I
 135 ></TT
 136 >', '<TT
 137 CLASS="PARAMETER"
 138 ><I
 139 >w</I
 140 ></TT
 141 >'
 142 and '<TT
 143 CLASS="PARAMETER"
 144 ><I
 145 >h</I
 146 ></TT
 147 >' are all 0,
 148 <TT
 149 CLASS="FUNCTION"
 150 >SDL_UpdateRect</TT
 151 > will update the
 152 entire screen.</P
 153 ><P
 154 >This function should not be called while '<TT
 155 CLASS="PARAMETER"
 156 ><I
 157 >screen</I
 158 ></TT
 159 >' is
 160 <A
 161 HREF="sdllocksurface.html"
 162 >locked</A
 163 >.</P
 164 ></DIV
 165 ><DIV
 166 CLASS="REFSECT1"
 167 ><A
 168 NAME="AEN1377"
 169 ></A
 170 ><H2
 171 >See Also</H2
 172 ><P
 173 ><A
 174 HREF="sdlupdaterects.html"
 175 ><TT
 176 CLASS="FUNCTION"
 177 >SDL_UpdateRects</TT
 178 ></A
 179 >,
 180 <A
 181 HREF="sdlrect.html"
 182 ><SPAN
 183 CLASS="STRUCTNAME"
 184 >SDL_Rect</SPAN
 185 ></A
 186 >,
 187 <A
 188 HREF="sdlsurface.html"
 189 ><SPAN
 190 CLASS="STRUCTNAME"
 191 >SDL_Surface</SPAN
 192 ></A
 193 >,
 194 <A
 195 HREF="sdllocksurface.html"
 196 ><TT
 197 CLASS="FUNCTION"
 198 >SDL_LockSurface</TT
 199 ></A
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