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[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Following commit 1.51, I come accross a problem when SDL must choose between
several video modes that could suit the one asked.
If I ask 320x240 with this list:
768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200
The smallest selectables modes are 384x240 and 320x400. And SDL choose the later
in this list, but 384x240 is more suitable. So I added a check to compare
the pixel count (surface) of modes, and select the one which has the smallest
pixel count.
In my example, 384x240 has 92160 pixels, and 320x400 has 128000 pixels. So now
SDL will choose 384x240 for the asked 320x240 mode.
author | Patrice Mandin <patmandin@gmail.com> |
---|---|
date | Thu, 19 Jan 2006 21:28:52 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_ActiveEvent</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="SDL Event Structures." HREF="eventstructures.html"><LINK REL="PREVIOUS" TITLE="SDL_Event" HREF="sdlevent.html"><LINK REL="NEXT" TITLE="SDL_KeyboardEvent" HREF="sdlkeyboardevent.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation 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="sdlevent.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlkeyboardevent.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLACTIVEEVENT" ></A >SDL_ActiveEvent</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3955" ></A ><H2 >Name</H2 >SDL_ActiveEvent -- Application visibility event structure</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3958" ></A ><H2 >Structure Definition</H2 ><PRE CLASS="PROGRAMLISTING" >typedef struct{ Uint8 type; Uint8 gain; Uint8 state; } SDL_ActiveEvent;</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3961" ></A ><H2 >Structure Data</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN3963" ></A ><P ></P ><TABLE BORDER="0" CLASS="CALSTABLE" ><TBODY ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >type</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_ACTIVEEVENT.</TT ></TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >gain</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >0 if the event is a loss or 1 if it is a gain.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >state</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_APPMOUSEFOCUS</TT > if mouse focus was gained or lost, <TT CLASS="LITERAL" >SDL_APPINPUTFOCUS</TT > if input focus was gained or lost, or <TT CLASS="LITERAL" >SDL_APPACTIVE</TT > if the application was iconified (<TT CLASS="STRUCTFIELD" ><I >gain</I ></TT >=0) or restored(<TT CLASS="STRUCTFIELD" ><I >gain</I ></TT >=1).</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3984" ></A ><H2 >Description</H2 ><P ><SPAN CLASS="STRUCTNAME" >SDL_ActiveEvent</SPAN > is a member of the <A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A > union and is used when an event of type <TT CLASS="LITERAL" >SDL_ACTIVEEVENT</TT > is reported.</P ><P >When the mouse leaves or enters the window area a <TT CLASS="LITERAL" >SDL_APPMOUSEFOCUS</TT > type activation event occurs, if the mouse entered the window then <TT CLASS="STRUCTFIELD" ><I >gain</I ></TT > will be 1, otherwise <TT CLASS="STRUCTFIELD" ><I >gain</I ></TT > will be 0. A <TT CLASS="LITERAL" >SDL_APPINPUTFOCUS</TT > type activation event occurs when the application loses or gains keyboard focus. This usually occurs when another application is made active. Finally, a <TT CLASS="LITERAL" >SDL_APPACTIVE</TT > type event occurs when the application is either minimised/iconified (<TT CLASS="STRUCTFIELD" ><I >gain</I ></TT >=0) or restored.</P ><DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >Note: </B >This event does not occur when an application window is first created.</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4000" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A >, <A HREF="sdlgetappstate.html" ><TT CLASS="FUNCTION" >SDL_GetAppState</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlevent.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlkeyboardevent.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_Event</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventstructures.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_KeyboardEvent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >