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| >SDL_UpdateRect</H1 |
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| ><H2 |
| >Name</H2 |
| >SDL_UpdateRect -- Makes sure the given area is updated on the given screen.</DIV |
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| NAME="AEN1358" |
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| ><PRE |
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| >#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 |
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| ><H2 |
| >Description</H2 |
| ><P |
| >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 |
| ><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 |
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| HREF="sdllocksurface.html" |
| >locked</A |
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| ><H2 |
| >See Also</H2 |
| ><P |
| ><A |
| HREF="sdlupdaterects.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_UpdateRects</TT |
| ></A |
| >, |
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| HREF="sdlrect.html" |
| ><SPAN |
| CLASS="STRUCTNAME" |
| >SDL_Rect</SPAN |
| ></A |
| >, |
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| HREF="sdlsurface.html" |
| ><SPAN |
| CLASS="STRUCTNAME" |
| >SDL_Surface</SPAN |
| ></A |
| >, |
| <A |
| HREF="sdllocksurface.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_LockSurface</TT |
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