| 0,0 → 1,247 |
|---|
| <HTML |
| ><HEAD |
| ><TITLE |
| >SDL_UpdateRects</TITLE |
| ><META |
| NAME="GENERATOR" |
| CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| "><LINK |
| REL="HOME" |
| TITLE="SDL Library Documentation" |
| HREF="index.html"><LINK |
| REL="UP" |
| TITLE="Video" |
| HREF="video.html"><LINK |
| REL="PREVIOUS" |
| TITLE="SDL_UpdateRect" |
| HREF="sdlupdaterect.html"><LINK |
| REL="NEXT" |
| TITLE="SDL_Flip" |
| HREF="sdlflip.html"></HEAD |
| ><BODY |
| CLASS="REFENTRY" |
| BGCOLOR="#FFF8DC" |
| TEXT="#000000" |
| LINK="#0000ee" |
| VLINK="#551a8b" |
| ALINK="#ff0000" |
| ><DIV |
| CLASS="NAVHEADER" |
| ><TABLE |
| 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="sdlupdaterect.html" |
| >Prev</A |
| ></TD |
| ><TD |
| WIDTH="80%" |
| ALIGN="center" |
| VALIGN="bottom" |
| ></TD |
| ><TD |
| WIDTH="10%" |
| ALIGN="right" |
| VALIGN="bottom" |
| ><A |
| HREF="sdlflip.html" |
| >Next</A |
| ></TD |
| ></TR |
| ></TABLE |
| ><HR |
| ALIGN="LEFT" |
| WIDTH="100%"></DIV |
| ><H1 |
| ><A |
| NAME="SDLUPDATERECTS" |
| >SDL_UpdateRects</A |
| ></H1 |
| ><DIV |
| CLASS="REFNAMEDIV" |
| ><A |
| NAME="AEN977" |
| ></A |
| ><H2 |
| >Name</H2 |
| >SDL_UpdateRects -- Makes sure the given list of rectangles is updated on the given screen.</DIV |
| ><DIV |
| CLASS="REFSYNOPSISDIV" |
| ><A |
| NAME="AEN980" |
| ></A |
| ><H2 |
| >Synopsis</H2 |
| ><DIV |
| CLASS="FUNCSYNOPSIS" |
| ><A |
| NAME="AEN981" |
| ></A |
| ><P |
| ></P |
| ><PRE |
| CLASS="FUNCSYNOPSISINFO" |
| >#include "SDL.h"</PRE |
| ><P |
| ><CODE |
| ><CODE |
| CLASS="FUNCDEF" |
| >void <B |
| CLASS="FSFUNC" |
| >SDL_UpdateRects</B |
| ></CODE |
| >(SDL_Surface *screen, int numrects, SDL_Rect *rects);</CODE |
| ></P |
| ><P |
| ></P |
| ></DIV |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN987" |
| ></A |
| ><H2 |
| >Description</H2 |
| ><P |
| >Makes sure the given list of rectangles is updated on the given screen. |
| The rectangles must all be confined within the screen boundaries (no |
| clipping is done).</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 |
| CLASS="NOTE" |
| ><BLOCKQUOTE |
| CLASS="NOTE" |
| ><P |
| ><B |
| >Note: </B |
| >It is adviced to call this function only once per frame, since each |
| call has some processing overhead. This is no restriction since you |
| can pass any number of rectangles each time.</P |
| ><P |
| >The rectangles are not automatically merged or checked for overlap. In |
| general, the programmer can use his knowledge about his particular |
| rectangles to merge them in an efficient way, to avoid overdraw.</P |
| ></BLOCKQUOTE |
| ></DIV |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN996" |
| ></A |
| ><H2 |
| >See Also</H2 |
| ><P |
| ><A |
| HREF="sdlupdaterect.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_UpdateRect</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 |
| WIDTH="100%" |
| BORDER="0" |
| CELLPADDING="0" |
| CELLSPACING="0" |
| ><TR |
| ><TD |
| WIDTH="33%" |
| ALIGN="left" |
| VALIGN="top" |
| ><A |
| HREF="sdlupdaterect.html" |
| >Prev</A |
| ></TD |
| ><TD |
| WIDTH="34%" |
| ALIGN="center" |
| VALIGN="top" |
| ><A |
| HREF="index.html" |
| >Home</A |
| ></TD |
| ><TD |
| WIDTH="33%" |
| ALIGN="right" |
| VALIGN="top" |
| ><A |
| HREF="sdlflip.html" |
| >Next</A |
| ></TD |
| ></TR |
| ><TR |
| ><TD |
| WIDTH="33%" |
| ALIGN="left" |
| VALIGN="top" |
| >SDL_UpdateRect</TD |
| ><TD |
| WIDTH="34%" |
| ALIGN="center" |
| VALIGN="top" |
| ><A |
| HREF="video.html" |
| >Up</A |
| ></TD |
| ><TD |
| WIDTH="33%" |
| ALIGN="right" |
| VALIGN="top" |
| >SDL_Flip</TD |
| ></TR |
| ></TABLE |
| ></DIV |
| ></BODY |
| ></HTML |
| > |