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annotate docs/man3/SDL_ListModes.3 @ 4159:a1b03ba2fcd0 SDL-1.2

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author Sam Lantinga <slouken@libsdl.org>
date Mon, 08 Dec 2008 00:25:42 +0000
parents 4e3b250c950e
children 1238da4a7112
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
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1 .TH "SDL_ListModes" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
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2 .SH "NAME"
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4e3b250c950e Erik Heckers fixed bug #493
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3 SDL_ListModes \- Returns a pointer to an array of available screen dimensions for the given format and video flags
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBSDL_Rect **\fBSDL_ListModes\fP\fR(\fBSDL_PixelFormat *format, Uint32 flags\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Return a pointer to an array of available screen dimensions for the given format and video flags, sorted largest to smallest\&. Returns \fBNULL\fP if there are no dimensions available for a particular format, or \fB-1\fR if any dimension is okay for the given format\&.
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12 .PP
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13 If \fBformat\fR is \fBNULL\fP, the mode list will be for the format returned by \fISDL_GetVideoInfo()\fR->\fBvfmt\fR\&. The \fBflag\fR parameter is an OR\&'d combination of \fIsurface\fR flags\&. The flags are the same as those used \fI\fBSDL_SetVideoMode\fP\fR and they play a strong role in deciding what modes are valid\&. For instance, if you pass \fBSDL_HWSURFACE\fP as a flag only modes that support hardware video surfaces will be returned\&.
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14 .SH "EXAMPLE"
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15 .PP
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16 .nf
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17 \f(CWSDL_Rect **modes;
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18 int i;
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19 \&.
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20 \&.
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21 \&.
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22
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23 /* Get available fullscreen/hardware modes */
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24 modes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE);
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25
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26 /* Check is there are any modes available */
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27 if(modes == (SDL_Rect **)0){
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28 printf("No modes available!
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29 ");
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30 exit(-1);
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31 }
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32
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33 /* Check if or resolution is restricted */
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34 if(modes == (SDL_Rect **)-1){
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35 printf("All resolutions available\&.
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36 ");
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37 }
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38 else{
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39 /* Print valid modes */
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40 printf("Available Modes
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41 ");
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42 for(i=0;modes[i];++i)
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43 printf(" %d x %d
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44 ", modes[i]->w, modes[i]->h);
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45 }
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46 \&.
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47 \&.\fR
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48 .fi
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49 .PP
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50 .SH "SEE ALSO"
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51 .PP
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52 \fI\fBSDL_SetVideoMode\fP\fR, \fI\fBSDL_GetVideoInfo\fP\fR, \fI\fBSDL_Rect\fR\fR, \fI\fBSDL_PixelFormat\fR\fR
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53 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01